| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 264051000 | By gas forming or expanding | 88 |
| 20080203597 | Method for Producing Expanding Styrene Polymer Granules - A method for supplying molten polymer and expanding agent flows to a mixing area, by dispersing the expanding agent in a polymer melt by a rapid dividing mixing in a first static mixer, holding and intensively dividingly mixing the thus obtained mixture in a second static mixer, cooling the mixture, during mixing, in a third static mixer to an intermediate temperature, cooling the mixture to a granulation temperature, extruding polymer threads and subsequently quenching and granulating them. During processing, a weight ratio between the polymer melt flow G | 08-28-2008 |
| 20080284051 | Method and Apparatus for Vacuum Foaming Refrigerator Cabinets - A foaming jig ( | 11-20-2008 |
| 20090008812 | METHOD AND APPARATUS FOR PRODUCING PLASTIC FILM - Plastic material and nucleating agent are fed into an extruder, and the plastic material is subjected to cell forming. The substances in question are extruded into a plastic film preform, simultaneously cooling the material to prevent foaming. The film preform is stretched in such a way that cavitation bubbles are generated in the film. The cell forming takes place in connection with stretching and relaxation. In other words, in the solution the cell forming is caused to take place when the plastic is not in a molten state. | 01-08-2009 |
| 20090140447 | Expansion Injection Molding Process And Mold For Expansion Injection Molding - To provide an expansion injection molding process, which is freed from the occurrence of swirl marks on the surface of a molded article and by which foamed injection moldings having good appearance can be produced in a short molding cycle and at a low cost; and a mold for expansion injection molding. | 06-04-2009 |
| 20090152754 | THERMOPLASTIC ELASTOMER COMPOSITION FOR FOAM INJECTION MOLDING, FOAM BODY, AND PROCESS FOR PRODUCING FOAM BODY - A thermoplastic elastomer composition for foam injection molding is provided that includes component (A), component (B), component (C), and component (D) below, relative to 100 parts by weight of component (A), component (B) having a content of 5 to 150 parts by weight, component (C) having a content of 5 to 300 parts by weight, and component (D) having a content of 5 to 150 parts by weight. (A): A hydrogenated product of a block copolymer comprising a block composed of an aromatic vinyl compound-based monomer unit and a block composed of a conjugated diene compound-based monomer unit, the hydrogenated product having a weight-average molecular weight of not more than 200,000, (B): a propylene resin, (C): a mineral oil, and (D): an ethylene-propylene copolymer rubber having a Mooney viscosity (ML | 06-18-2009 |
| 20090309250 | METHODS AND PRESSURE VESSELS FOR SOLID-STATE MICROCELLULAR PROCESSING OF THERMOPLASTIC ROLLS OR SHEETS - Disclosed herein are methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls and sheets. In one embodiment, the present invention is directed to a method for making a gas impregnated interleaved roll, which method comprises: providing a pressure vessel having an internal pressure chamber and a rotatable shaft horizontally positioned within the pressure chamber; placing an interleaved roll about the rotatable shaft and within the pressure chamber, wherein the interleaved roll is made from a thermoplastic material sheet interleaved together with a gas-channeling material sheet; pressurizing the pressure chamber to a selected pressure; rotating the rotatable shaft having the interleaved roll thereabouts (thereby rotating the interleaved roll) while under pressure for a selected period of time; and depressurizing the internal chamber to yield the gas impregnated interleaved roll. In other embodiments, the invention is directed to multi-chambered pressure vessels for gas impregnation of thermoplastic rolls, sheets, and films. | 12-17-2009 |
| 20090321974 | ROLL FED FLOTATION/IMPINGEMENT AIR OVENS AND RELATED THERMOFORMING SYSTEMS FOR CORRUGATION-FREE HEATING AND EXPANDING OF GAS IMPREGNATED THERMOPLASTIC WEBS - Disclosed herein are roll fed air heated flotation ovens and related thermoforming systems, assemblies, and machines that enable the corrugation-free expansion of a gas impregnated thermoplastic web passing through an oven chamber (without use of a pin-chain assembly), as well as to related methods. In an embodiment, a gas impregnated thermoplastic web is conveyed and expanded through an elongated air heated oven chamber, wherein the elongated oven chamber includes a plurality of downwardly directed heated air nozzles positioned at regular intervals along and within the upper portion of the oven chamber, and a plurality of upwardly directed heated air nozzles positioned at regular intervals along and within the lower portion of the oven chamber, but staggered apart from the downwardly directed heated air nozzles such that the gas impregnated thermoplastic material web undulates in an up and down wavelike fashion, thereby minimizing sagging, bagging, puckering, and/or buckling of the web. | 12-31-2009 |
| 20100072651 | METHOD FOR THE PRODUCTION OF POLYURETHANE BLOCK FOAM - The invention relates to a process and a device for the production of polyurethane clock foam, in which the reaction mixture, after flowing through a mixer, flows freely from an outflow opening and then flows through an accumulation chamber, in which a static pressure is built up, a gap and finally an expansion chamber. | 03-25-2010 |
| 20100181692 | METHOD AND APPARATUS FOR MOLDING RESIN FOAM PRODUCT - An example molding method includes: feeding a molten foamable resin by injection in a cavity formed in a molding die; allowing the molten foamable resin to flow in the cavity; and foaming and solidifying the molten foamable resin to mold a resin foam product. The example molding method performs flow rate control by controlling a flow rate of the molten foamable resin at a welding portion to be equal to or higher than a flow rate of the molten foamable resin at an upstream portion adjacent to the welding portion. | 07-22-2010 |
| 20100193985 | STEAM ROOM OF FOAMED RESIN MOLDING MACHINE, FOAMED RESIN MOLDING MACHINE, AND METHOD FOR MOLDING FOAMED RESIN - The present invention provides a steam room of a foamed resin molding machine that is superior in terms of heat insulation property and durability, a foamed resin molding machine, and a method for molding a foamed resin. At least one of frames, back plates and center plates that together constitute steam rooms of a foamed resin molding machine are made of foamed aluminum. Alternatively, foamed aluminum plates are laminated onto the frames or the back plates are constituted into a sandwiched structure that incorporates interposed foamed aluminum plates, respectively. The foamed aluminum is advantageous in that its high heat insulation property prevents waste in thermal energy of steam, and other merits include reductions in cycle times. | 08-05-2010 |
| 20110074061 | Process For Producing Molded Silicone Rubber Sponge - The present invention relates to a process for producing a molded silicone rubber sponge by filling a sponge-forming silicone rubber composition into a cavity of a mold, wherein after the aforementioned sponge-forming silicone rubber composition is cured, and before mold opening of the aforementioned mold, gas present in the aforementioned cavity is discharged. Thereby, a molded silicone rubber sponge without damage such as chips or the like can be effectively produced. | 03-31-2011 |
| 20110101558 | METHOD FOR MANUFACTURING MOLDED FOAM - An object of the invention is to provide a method for manufacturing a molded foam which is lightweight and excellent in strength. According to the invention, a method for manufacturing a molded foam from a foamed parison includes: an extruding step of extruding a resin blend containing a foaming agent and a thermoplastic resin to form a foamed parison; an attaching step of closely attaching facing portions of an inner wall surface of the foamed parison to each other to form a foamed parison laminated body; a mold clamping step of sealing and mold clamping the foamed parison laminated body by clamping the foamed parison laminated body by split mold blocks; and a sucking step of sucking air between the split mold blocks to reduce a pressure between the split mold blocks, after the attaching step and the mold clamping step. | 05-05-2011 |
| 20110109005 | METHOD OF MANUFACTURING A FOAM - A method of manufacturing a foam having a negative Poisson's ratio comprising the steps: placing a pad | 05-12-2011 |
| 20110163472 | FOAMED SOL-GEL AND METHOD OF MANUFACTURING THE SAME - A process for making foamed glasses and ceramics from sol-gels is disclosed. The method includes preparing a mixture of reactants capable of forming a sol-gel with addition of a catalyst to control the condensation stage followed by foaming using vigorous agitation in the presence of surfactants. The gelled bodies are aged, dried, and thermally stabilized to obtain a consolidated macroporous material. The resulting structure comprises a three-dimensional network of spherical open pores that are thoroughly interconnected. The process may involve sol-gel systems using a mixture of metal alkoxides, and may produce glasses in unary systems (SiO | 07-07-2011 |
| 20110260352 | Stabilizing Semi-Crystalline Polymers To Improve Storage Performance Of Medical Devices - Methods are disclosed for improving the storage performance of polymeric stents that reduce or eliminate the effects of long term aging on the properties of the stents. A polymeric stent or a polymeric tube from which a stent is made is heated to a temperature between ambient and the glass transition temperature of the polymer for a period of time. The heating causes densification or an increase in density of the polymer which stabilizes the properties of the polymer in later processing steps and storage. The stent can be made from a polymeric tube that is expanded at a temperature above the glass transition temperature and cooled to maintain an expanded diameter. | 10-27-2011 |
| 20110304066 | INJECTION FOAM MOLDING METHOD AND APPARATUS THEREFOR - After introducing gas into a cavity of a clamped die to boost a pressure therein, a resin material containing a foaming agent is injected. After forming a skin layer, at the same time as a start of a core-back operation for foaming the resin material or after the core-back operation, gas in the cavity is vacuum-suctioned to make a pressure in the cavity less than the atmospheric pressure. By cooling and solidifying, an injection foam molded article is obtained. Before complete solidification, gas between the resin material and an inner surface of the die is reliably discharged out of the cavity, so that surface recesses and generation of swirl marks due to gas accumulation can be prevented. | 12-15-2011 |
| 20120032366 | METHOD OF PRODUCING A MULTI-MICROCHANNEL, FLOW-THROUGH ELEMENT AND DEVICE USING SAME - A method of producing a multi-microchannel, flow-through element, including the steps of providing a body of material, and producing multiple microchannels within the body, wherein the microchannels extend through the body to produce a multi-microchannel, flow-through element. Such an element can be used as a micromixer, a sensor element, a filter, a fuel element or a chromatographic element. | 02-09-2012 |
| 20120043681 | DEVICE FOR FORMING THERMOSETTING RESIN FOAM PLATE AND METHOD OF MANUFACTURING THERMOSETTING RESIN FOAM PLATE - There are provided a forming device capable of drying at a high speed and of manufacturing a thermosetting resin foam plate more efficiently and stably without multilayering any unnecessary surface material, and a method of efficiently manufacturing a thermosetting resin foam plate therefor. A thermosetting resin foam plate is manufactured by: mixing a resin composition containing at least a thermosetting resin, a foaming agent and a curing agent in a mixer; continuously discharging the resin composition on a traveling air-permeable and flexible surface material, and at the same time covering the upper surface of the resin composition with an air-permeable and flexible surface material; and passing the covered resin composition through a forming device equipped with conveyors having apertures having an aperture area ratio of 15% or more and 80% or less to form and cure the resin composition. | 02-23-2012 |
| 20120211912 | MOLDED FOAM ARTICLE AND METHOD OF PRODUCING MOLDED FOAM ARTICLE - It is an object of the present invention to provide: a foaming mold having a high expansion ratio and a light weight and having an excellent appearance with no surface roughness; and a method for producing a foaming mold, whereby even in the case of using thermally expandable microcapsules for injection molding, the thermally expandable microcapsules can expand uniformly to give a foaming mold having a high expansion ratio and an excellent appearance. | 08-23-2012 |
| 20120267815 | INJECTION MOLDING MACHINE AND INJECTION MOLDING METHOD - An injection molding machine includes a gas feeding mechanism configured to feed gas to a cavity formed between a first mold plate and a second mold plate in a clamped state; an injection apparatus configured to inject a foamable resin into the cavity having an inside pressure thereof increased to be higher than an atmospheric pressure by the gas feeding mechanism; and a gas releasing mechanism configured to release the gas inside the cavity to an atmosphere through a gap formed between an inner wall surface of a through hole formed through one of the first mold plate and the second mold plate and an outer circumferential surface of a mold member inserted into the through hole, during or after the injection of the foamable resin by the injection apparatus. | 10-25-2012 |
| 20130032963 | METHOD FOR PRODUCING POLYPROPYLENE-BASED RESIN FOAMED BLOW-MOLDED ARTICLE - Provided is a method that can improve formability and blow moldability of a foamed parison as compared with conventional production method and can produce a polypropylene-based resin foamed blow-molded article having excellent uniformity of wall thickness over a wide range of its density. The method comprises kneading a polypropylene-based resin with a physical foaming agent, extruding the thus obtained foamable molten resin through a die to obtain a foamed parison in a softened state, placing the foamed parison between molds and then blow-molding the foamed parison and is characterized in that the polypropylene-based resin comprises a polypropylene-based resin (A) satisfying specific requirements (1) to (3) and a polypropylene-based resin (B) satisfying a specific requirement (4), when the polypropylene-based resins (A) and (B) are each subjected to dynamic viscoelasticity measurement in which an oscillation strain is applied thereto at a temperature of 190° C., and that the mixing ratio by weight (A:B) of the resin (A) to the resin (B) is in the range of 100:0.5 to 100:5. | 02-07-2013 |
| 20130193605 | MELT-SHAPED BODY OF POLYIMIDE PRECURSOR AND PROCESS FOR PRODUCTION OF POLYIMIDE FOAM USING SAME - The object is to propose an improved process for the production of a polyimide foam by which a large-sized polyimide foam in a state of fine and homogeneous cells can be readily obtained by easy operations and convenient steps. A melt-shaped body of a polyimide precursor obtainable by melt-treating in a closed state a powder of a polyimide precursor including at least an aromatic tetracarboxylic acid ester component and an aromatic amine component. A process for the production of a polyimide foam including the steps of melt-shaping in a closed state a powder of a polyimide precursor including at least aromatic tetracarboxylic acid ester component and an aromatic amine component to give a melt-shaped body of the polyimide precursor, and foaming the melt-shaped body of the polyimide precursor by a heat treatment. | 08-01-2013 |
| 20130214445 | Molding Apparatus and Method - A molding apparatus for making a continuous molded article generally includes a pair of spaced-apart molding assemblies, which cooperatively generate a movable mold having a dynamic mold-cavity therein, each of the molding assemblies including a series of movable mold segments, which are adapted to fit together to form a portion of the dynamic mold-cavity, a drive mechanism for conveying the mold segments along a path, and a dispenser for dispensing a moldable, expandable material into the dynamic mold-cavity. | 08-22-2013 |
| 20140167307 | CHEMICAL COMPOSITIONS FOR DELIVERY OF PHARMACEUTICAL AGENTS - One or more of hydrolysed wheat flour, soluble dietary fibre, prebiotic dietary fibre, polydextrose and soluble corn fibre are used as basic matrix-forming ingredients in an expanded food product. The matrix-forming ingredients are mixed together with water, plus a whey protein isolate or whey protein concentrate, to increase the protein content of the food. A dough is formed which is then formed into pieces which are temperature conditioned before being expanded under a vacuum caused by evaporation of moisture in the dough. All steps of the process of making the expanded food products, including any subsequent drying, is carried out at a temperature not exceeding 75° C., which advantageously allows mixing in of temperature sensitive ingredients, e.g. vitamins, pharmaceuticals, at the dough forming stage. The products have a honeycomb structure and there is no significant change in flavour or nutritional value of the ingredients caused by the process of manufacture. Advantageously, acrylamide formation is also avoided. | 06-19-2014 |
| 20140264993 | METHODS FOR BLOW MOLDING SOLID-STATE CELLULAR THERMOPLASTIC ARTICLES - Methods for saturating a plurality of parisons simultaneously with a saturating gas are disclosed. The parisons may be saturated using a sealed elongated tube through which the parisons are transferred. Parisons may be stacked vertically or horizontally using modular trays, and then loaded into pressure vessels. Parisons may be saturated in individual pressure vessels which are re-pressurized at various intervals. The gas-saturated parisons can be re-heated and blow molded to provide cellular blow-molded articles. | 09-18-2014 |
| 20140312521 | MOLD, MOLDING MACHINE, AND FOAMED MOLDED BODY MANUFACTURING METHOD - A mold, a molding machine, and a foamed molded body manufacturing method are provided that are capable of more reliably preventing ingress of foamed resin into a gas discharge hole using a gas-impermeable member and capable of adequately discharging gas inside the cavity to the cavity outside through the gas discharge hole during foam molding, and that are also capable of achieving good design characteristics in a foamed molded body. A gas discharge hole | 10-23-2014 |
| 20140353867 | THERMOPLASTIC ELASTOMER COMPOSITE, ELECTRONIC CIGARETTE COMPONENT AND METHOD FOR PRODUCING THE SAME - The invention discloses a thermoplastic elastomer composite, a component of electronic cigarette and a method of preparing the component of electronic cigarette. The thermoplastic elastomer composite comprises 65-85 weight % of a main body material, 10-25 weight % of a microspheres foaming agent and 5-10 weight % of an agent. The component of electronic cigarette made of the thermoplastic elastomer composite, has high elasticity and a wide hardness adjusting range, can be adjusted according to users' requirements, and has good taste and feel. The component can be provided with decorative patterns that are similar to tobacco leaves in production, and can simulate appearance of a real cigar and visual effects of real tobacco of cigarettes. The component has high elasticity, and it is non-toxic and non-pollution. The method can be carried out in a simple manner, and can improve the production efficiency. | 12-04-2014 |
| 20150076726 | PROCESS FOR EXPANDING SMALL DIAMETER POLYSTYRENE BEADS FOR USE IN CEMENTITIOUS BOARD - A process for expanding small diameter polystyrene beads is disclosed. The process comprises applying a steam pressure of about three to seven pounds per square inch at a temperature of about two hundred twenty degrees Fahrenheit to two hundred forty degrees Fahrenheit to a plurality of expandable polystyrene beads until each of the plurality of expandable polystyrene beads has expanded to a diameter of about 0.030 inches to 0.125 inches, wherein each of the plurality of expandable polystyrene beads has an unexpanded diameter of about 0.015 inches to about 0.028 inches. | 03-19-2015 |
| 20150374877 | Chitosan Foam Medical Devices and Methods - The invention provides a solid foam wound dressing useful for hemorrhage control and wound repair, as well as methods for making such a wound dressing. | 12-31-2015 |
| 20150378350 | METHOD FOR PRODUCING CUSTOMIZED INSOLES - A method for production of customized insoles is disclosed. In an embodiment of the method, the method includes milling of a first injection mold from a first block of non-metallic material that is meltable and reuseable based on data of a foot of a first person. A first insole for the foot of the first person is produced with the first injection mold. After producing the first insole, the first injection mold is melted to form a second block of non-metallic material that is meltable and reuseable. A second injection mold is milled from the second block of non-metallic material based on data of a foot of a second person. A second insole for the foot of the second person is produced with the second injection mold. | 12-31-2015 |
| 20160031132 | METHOD FOR FORMING A FIRE-RESISTANT AND THERMAL-RESISTANT GLASS FIBER PRODUCT, AND ASSOCIATED APPARATUS - A method is provided for forming a glass fiber product, by forming a first mixture including dry melt-resistant filiform glass fibers, a fire-retarding solution, and a thickening agent; forming a second mixture including the first mixture and a binding agent, wherein the first mixture and the binding agent being configured to form an expanding foam; and applying the second mixture to a surface prior to the second mixture forming the expanding foam. A method is also provided for forming a glass fiber product, by adding a thickening agent to a fire-retarding solution to form a first mixture; adding a hardening agent to the first mixture to form a second mixture; and adding dry melt-resistant filiform glass fibers to the second mixture to form a paste mixture. Associated apparatuses are also provided. | 02-04-2016 |
| 20160082642 | METHOD FOR PRODUCING A FOAM BODY BY MEANS OF AN EXTRUSION PROCESS, AND EXTRUSION DEVICE FOR PRODUCING A FOAM BODY - A method for producing a foamed body includes generating a plastics melt within a casing of a first extruder; and conveying the plastics melt to an outlet nozzle of a second extruder, having an extruder screw apparatus. The conveyed plastics melt has foaming agent and expands after being conducted through the outlet nozzle. In first length sections of the extruder screw apparatus of the second extruder, the plastics melt is conveyed and/or mixed. In second length sections of the extruder screw apparatus of the second extruder, the plastics melt is conveyed and pressure is built up in the plastics melt. The plastics melt is guided alternately through first and second length sections. Before the plastics melt is guided through the outlet nozzle, temperature differences between different radial positions in the cross section of the plastics melt are reduced, and the thermally homogenized plastics melt is conducted through the outlet nozzle. | 03-24-2016 |
| 20160137800 | CLOSED-CELL EXPANDED ARTICLE BASED ON EXTRUDED POLYSTYRENE, METHOD AND PLANT TO OBTAIN SAID ARTICLE - An article based on extruded polystyrene, in the form of a slab, panel or flexible sheet to make heat insulations is made with re-granulated polystyrene from industrial working or production scrap, or from primary production plants. A plant and extruder and process for making the article. | 05-19-2016 |
| 264053000 | Liquid to gas phase change | 14 |
| 20090321975 | Apparatus and method for the introduction of a foaming agent into a polymer melt - The apparatus for the production of foams includes an extrusion device for the plastification of a polymer melt, a heat exchanger for the cooling of the polymer melt, and also a connection piece for the connection of the extrusion apparatus to the heat exchanger. The connection piece contains a metering device for the introduction of a foaming agent into the polymer melt. | 12-31-2009 |
| 20110068499 | METHODS FOR MAKING A LIGHT TRANSMISSIVE FOAMED POLYMER SHEET - In some embodiments, a foamed polymer sheet comprises: a polymeric material and cells located in the polymeric material. The cells have a size distribution, D | 03-24-2011 |
| 20120061870 | METHODS FOR MICROCELLULAR INJECTION MOLDING - In a method of microcellular injection molding, a polymer and a supercritical fluid are processed. A condition of processing the polymer and/or the supercritical fluid is adjusted to control a weight of a plastic part and/or a surface characteristic of a plastic part produced. In another method of producing a plastic part using microcellular injection molding, a polymer is heated and melted and a supercritical fluid is added thereto. The resulting mix is a single-phase polymer-gas solution comprising the polymer and the supercritical fluid. The polymer and/or the supercritical fluid are adjusted to control the weight of the plastic part and/or a surface characteristic of the plastic part. Once adjusted, the melted polymer with the supercritical fluid is injected into a mold. Upon injecting the melted polymer and supercritical fluid, a pressure drop causes the supercritical fluid to nucleate in the melted polymer, thereby causing nucleation of bubbles. | 03-15-2012 |
| 20120168976 | MICROPOROUS POLYOLEFIN AND METHOD OF PRODUCING THE SAME - A microporous film comprises a first component comprising a super high molecular weight polyolefin resin, wherein the weight-average molecular weight of the super high molecular weight polyolefin is about 1×10 | 07-05-2012 |
| 20130256935 | METHOD OF DEWATERING IN A CONTINUOUS HIGH INTERNAL PHASE EMULSION FOAM FORMING PROCESS - A method for continuous High Internal Phase Emulsion (HIPE) foam production. A HIPE is produced then extruded onto a belt. After polymerization, a portion of the saturated aqueous phase is removed using a vacuum box. A nip insert is inserted under the vacuum box to raise the vacuum box leading to improved uniformity of the HIPE in the cross direction along the belt. | 10-03-2013 |
| 20130285274 | METHODS AND APPARATUS FOR PROCESSING POLYMERS - A method and apparatus for controlling processing temperatures and the activation of polymer by way of machine to control, and control to machine signalling, that allows heat energy compensation for polymer heat energy loss. This is useful when a lower temperature substance, like water is added to expand natural or man made polymers within short distances like that of a nozzle. | 10-31-2013 |
| 20130313749 | BLOW-MOLDED FOAM AND PROCESS FOR PRODUCING THE SAME - An object of the invention is to provide a blow-molded foam which has homogeneous foamed cells in size, is light in weight, and is excellent in surface smoothness, and a process for producing the same. The invention is directed to a blow-molded foam | 11-28-2013 |
| 20140138868 | ANTISTATIC NON-CROSSLINKED FOAMED POLYETHYLENE RESIN PARTICLES AND MOLDED NON-CROSSLINKED FOAMED POLYETHYLENE RESIN BODY - Provided are non-crosslinked foamed polyethylene resin particles that have a bulk density BD of 10 g/L or more and 100 g/L or less and are obtained by foaming polyethylene resin particles containing an antistatic agent in an amount of 0.1 part by weight or more and 3 parts by weight or less with respect to 100 parts by weight of a polyethylene resin and having a density of 0.920 g/cm | 05-22-2014 |
| 20140145364 | EXPANDED PARTICLE OF NONCROSSLINKED POLYETHYLENE-BASED RESIN AND EXPANSION MOLDED ARTICLE OF NONCROSSLINKED POLYETHYLENE-BASED RESIN - A noncrosslinked polyethylene resin expanded particle is provided having a bulk density BD in a range of 10 g/L to 100 g/L, the particle being obtained by expanding a polyethylene resin particle whose density is in a range of 0.920 g/cm | 05-29-2014 |
| 20140264994 | Process of Forming a Personal Care Article - Provided is a process for forming a personal care article comprising producing a personal care article from a twin screw extruder employing blowing agents, the personal care article including (i) from about 10% to about 60% of one or more anionic surfactants, wherein the one or more anionic surfactants have a Krafft point of less than about 30° C.; (ii) from about 10% to about 50% of one or more water soluble polymers; (iii) from about 1% to about 30% of one or more plasticizers; and (iv) from about 0.01% to about 40% water. The personal care article has a density of from about 0.05 g/cm | 09-18-2014 |
| 20150130104 | Method Of Fabricating A Foamed, Injection Molded Component With Improved Ductility And Toughness - A method of fabricating a foamed, injection-molded component is provided. The method includes the step ofplasticizing pellets including a first polymeric material and a second polymeric material within an injection barrel to form an injection material. The first polymeric material defines a first phase of the injection material and the second polymeric material defines a second phase of the injection material. The first and second phases of the injection material are immiscible. The injection material is injected into a mold to fabricate the foamed injection-molded component having microscale, microcellular voids. Upon tensile loading, submicron, secondary phase cavities are formed in the injection-molded component, resulting in improved ductility and toughness. | 05-14-2015 |
| 20160101544 | METHOD FOR MANUFACTURING FOAM SHOE MATERIAL - A method for manufacturing a foam shoe material includes the following steps. (a) A plate prototype is formed, wherein the plate prototype is composed of thermoplastic polyurethane. (b) The plate prototype is foamed by a supercritical fluid to form a foam shoe material including a plurality of microporous structures and an average aperture of the microporous structures is smaller than 100 micrometers. | 04-14-2016 |
| 20160101546 | METHOD FOR PRODUCING A FOAMED BODY BY EXTRUSION AND EXTRUSION DEVICE FOR PRODUCING A FOAMED BODY - A method and an extrusion device for producing a foamed body. A plastics melt is produced inside the casing of a first extruder. The plastics melt is conveyed to an outlet die of a second extruder. The conveyed plastics melt has a foaming agent and expands after being fed through the outlet die. Before the plastics melt is fed through the outlet die, variations in temperature between different radial positions over the cross-section of the plastics melt are reduced by an extruder screw device which has a number of screw spindles distributed around the periphery. The plastics melt which is thus thermally homogeneous is fed through the outlet die. | 04-14-2016 |
| 20160151954 | VENTED TWIN-SCREW KNEADING EXTRUSION APPARATUS AND EXTRUSION METHOD | 06-02-2016 |
| 264054000 | Chemical blowing | 41 |
| 20080197524 | Thermoformable Melamine/Formaldehyde-Based Foams Exhibiting Low-Formeldehyde Emission - A process for the production of foams by heating with foaming and crosslinking of a mixture comprising a melamine/formaldehyde (MF) precondensate, a curing agent and a blowing agent, a formaldehyde scavenger being added prior to the heating, and foams based on melamine/formaldehyde resins having a low formaldehyde emission and the use thereof for the production of shaped articles by thermoforming. | 08-21-2008 |
| 20080203598 | METHOD FOR PRODUCING FOAMED POLYMER MOLDED BODIES AND SAID FOAMED POLYMER MOLDED BODIES - Method for producing foamed microporous polymer molded bodies by melting a thermoplastic polymer in a first zone of an extrusion device, mixing in a highly volatile blowing agent, conveying the polymer melt containing the blowing agent into a second zone in which dissolution of the blowing agent occurs to saturation of the polymer melt at the foaming temperature, and molding and foaming of the loaded polymer melt to a foamed structure, whereby, in the second zone, a pressure above 90 bar, a blowing agent concentration above the critical minimum concentration for complete foaming, and the foaming temperature, lying above the solidification temperature of the polymer melt saturated with blowing agent, are set such that the polymer molded body obtained has a porosity in the range between 40 and 90 vol. % and an open-cell pore structure with uniform cross-sectional distribution. Foamed microporous polymer molded bodies in the form of particles comprising a thermoplastic polymer with uniform open-cell pore structure, a porosity of 40 to 90 vol. %, an accessible proportion of pore volume of at least 0.75 and an average cell size between 1 and 100 μm. | 08-28-2008 |
| 20080258328 | Process for Producing Cylindrical Mouldings Based on Cellular Polyurethane Elastomers - A process for the production of cylindrical moldings based on cellular polyurethane elastomers having a density, according to DIN EN ISO 1798, of from 350 to 800 kg/m | 10-23-2008 |
| 20090206502 | High processing temperature foaming polymer composition - A foaming composition comprising a melt processible fluoropolymer, and a chemical foaming agent, where the chemical foaming agent is ammonium polyphosphate. | 08-20-2009 |
| 20100025877 | METHOD FOR PRODUCING NANOPOROUS MOLDED PARTS - Process for the production of moldings from nanoporous polymer materials, comprising the stages of
| 02-04-2010 |
| 20100038812 | Wallpaper for use in an automobile and a method for making same - An automobile wallpaper, and an exterior surface finishing agent for the door trim, seats, and so on, of automobiles, as well as its manufacturing method. To manufacture such automobile wallpaper, a printing process is performed on the surface of a surface material which is currently being used, in order to render a three-dimensional effect to the surface, so as to achieve various luxurious appearances. The three-dimensional effect of the printing is maintained even during the molding process, and it also possesses excellent properties relative to sound absorbency, due to the three-dimensional effect of the surface. | 02-18-2010 |
| 20100096768 | POLYMER-DISPERSED POLYOL AND PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM - To provide a process for producing a flexible polyurethane foam having a higher biomass degree than a conventional flexible polyurethane foam and excellent in foam physical properties and its appearance. | 04-22-2010 |
| 20100201016 | FOAMING POLYPROPYLENE RESIN COMPOSITION AND PROCESS FOR PRODUCING INJECTION-MOLDED FOAMS FROM THE COMPOSITION - Foaming polypropylene resin compositions are excellent in balance between melt tension and flowability, can give injection-molded foams having superior mechanical strength such as impact resistance, and are suited for the production of automobile parts or the like. Processes of the invention produce injection-molded foams from the compositions. | 08-12-2010 |
| 20100252947 | HIGH PROCESSING TEMPERATURE FOAMING POLYMER COMPOSITION - A foaming composition comprising a melt processible fluoropolymer, and a chemical foaming agent, where the chemical foaming agent is ammonium polyphosphate. | 10-07-2010 |
| 20100283170 | FABRICATING METHOD FOR SLEEVE-TYPE ORNAMENT OF DISPLAY DEVICE - The present invention provides a fabricating method for sleeve-type ornament of display device, comprising the steps of: a step of providing a display device, a 3D image file is provided with respect to the display device; a step of shaping an ornament, the surface of the decoration portion of the display device is shaped with a shaping material, so a layer of original ornament mold is formed on the surface of the decoration portion of the display device; a step of scanning the original ornament mold, a scanner is used to scan the shape of the original ornament mold, and the obtained data is transferred to a computer for establishing a 3D image file of the original ornament mold; a step of establishing a 3D image file of the ornament, the scanned 3D image file of the original ornament mold and the 3D image file of the display device are opened through a software in a computer, and the images of the two 3D image files are overlapped, part of the image of the display device that is overlapped within the image of the original ornament mold is removed through a command, so a 3D image file of the ornament, excluding the display device, is obtained; and a step of model fabrication, the 3D image file of the ornament is encoded to a compiler code that is recognizable for a molding machine for fabricating an ornament model. | 11-11-2010 |
| 20100295201 | PROCESS FOR PRODUCING HEAT CURING RESIN FOAMED PLATE - The present invention is a process for producing a thermosetting resin foamed plate, comprising a step of discharging a resin composition obtained by mixing at least a thermosetting resin, a foaming agent and a curing agent onto a surface material and foaming and curing the resin composition, wherein the resin composition is supplied into a die from a plurality of inlets of the die by a plurality of branched channels to reside, and the resin composition is discharged from a die lip outlet onto the surface material into a plate form. | 11-25-2010 |
| 20100301511 | LOW DENSITY ORIENTED POLYMER COMPOSITION WITH INERT INORGANIC FILLER - An oriented polymer composition containing thirty to 95 weight-percent inert inorganic filler and a continuous phase of at least one orientable polymer contains void spaces due to cavitation and has a density of less than 0.8 grams per cubic centimeter, a flexural modulus of 1.4 gigapascals or more, cross section dimensions all greater than 1.5 millimeters, a delamination force value of 44.5 Newtons (ten pounds force) or more and little or no blowing agent. | 12-02-2010 |
| 20110042843 | EPOXY FOAM RESIN - A process for making epoxy resin foam blocks of varying density comprising mixing together (i) a foam resin comprising: a first epoxy resin, a foaming agent to the extent of 2% to 10% of the mass of the epoxy resin, a surfactant to the extent of 2% to 6% of the mass of the epoxy resin, a filler, a toughening agent and (ii) a curing agent comprising: a hardener and a second epoxy resin, the ratio of the foam resin to curing agent being in the range of about 100:20 to 100:25 by mass to form a reaction mixture; pouring the reaction mixture inside a mold maintained at a temperature in the range of 70° to 80° C. and allowing the mixture to cure in the mold for 60 to 100 min.; allowing the mold to cool at a temperature in the range of 15° C. to 30° C. and demolding to obtain a green block; and post-curing the green block in an air circulatory oven for 10 to 15 hrs to obtain a final hard foam block. | 02-24-2011 |
| 20110127688 | METHOD FOR MANUFACTURING MOLDED FOAM - A method for manufacturing molded foam which uses cheap materials, is light in weight and which is excellent in impact resistance. In the method for manufacturing molded foam, propylene homopolymer with a long chain branch, propylene ethylene block copolymer and low density polyethylene are mixed in the base resin at a prescribed mixing ratio. A blowing agent is added to carry outfoaming. A prescribed mixing ratio is determined based on the value arrived at by a multiplying melt tension of each material mixed with the melt flow rate and the Tensile Rupture Elongation. | 06-02-2011 |
| 20110204539 | METHOD OF PRODUCING POROUS SYNTHETIC RESIN MOLDED PART - A method of producing a porous molded part includes a mixing process for mixing a granular porous organizer composed of a water-soluble compound, a porous forming assistant agent composed of a polyhydric alcohol, and a cross-linking agent composed of an organic peroxide with a thermoplastic resin composition as a base material to obtain a molding material; a cross-linking and forming process for placing the molding material in a molding die and performing a heat press molding at 140° C. to 170° C. for 4 to 10 minutes thereby progressing coincidentally a cross-linking reaction and a shape forming of a seal face to obtain a molded material; an extracting process for extracting the granular porous organizer from the molded material obtained in the cross-linking and forming process to obtain a porous molded part; and a drying process for drying the porous molded part obtained in the extracting process. | 08-25-2011 |
| 20120168977 | PROCESS FOR THE PREPARATION OF CONFORMABLE MATERIALS FOR DOWNHOLE SCREENS - A process of making a foamed conformable material by reaction injection molding comprises providing a first component from a first feed tank at a first flow rate, via a first conduit, to a mixing device; providing a second component from a second feed tank at a second flow rate, via a second conduit, to the mixing device, the second component reactive with the first component in the presence of a foaming agent; mixing the first component and the second component in the mixing device to form a reaction mixture; introducing the reaction mixture into an injection molding device; molding the reaction mixture to form a foamed conformable material; wherein the mixing of the reaction mixture is adjusted to achieve a desired average cell size of the foamed conformable material. The process can produce wellbore-conforming materials that can function to filter out sand or other undesirable fines from a formation. | 07-05-2012 |
| 20120313280 | System And Method For Manufacturing Cylindrical Foam Articles - The present teachings provide a system and method for producing a cylindrical foam article. The method can include coupling a first end of an outlet adaptor to a die, and coupling the die to a die housing of an extruder. The method can also include coupling a substantially cylindrical die outlet to a second end of the outlet adaptor, and substantially continuously extruding a polymer through the outlet adaptor into the die outlet to create the cylindrical foam article with a natural skin formed about a perimeter of the cylindrical foam article. | 12-13-2012 |
| 20130140728 | ELASTIC PARTICLE FOAM BASED ON POLYOLEFIN/STYRENE POLYMER MIXTURES - Thermoplastic particle foams which have cells having a mean cell size in the range from 20 to 500 μm and in which the cell membranes have a nanocellular or fibrous structure having pore or fiber diameters below 1500 nm, and also processes for producing them. | 06-06-2013 |
| 20130214446 | METHOD OF FORMING RESIN MOLDED PRODUCT - A method of molding a resin molded product wherein a resin material in a molten state containing a forming agent is injected through a gate into a cavity of molding die thereby forming the form-molded product, wherein the gate communicating with the cavity of the molding die is continuously formed to the rising wall portion of the foam-molded product; the rising wall portion is provided with a rib at a position apart from the gate at a predetermined distance; a foaming of the molten resin material injected from the gate into the cavity is suppressed at a region corresponding to the upstream side portion of the foam-molded product, while the foaming of the molten resin material is promoted at a region corresponding to the downstream side portion of the foam-molded product. | 08-22-2013 |
| 20130249134 | DIMENSIONALLY STABLE POLYURETHANE MOLDED BODIES HAVING LOW DENSITY - The present invention relates to a process for producing polyurethane foam moldings where the density of the molding is at most 500 g/L, by mixing the following to give a reaction mixture: a) organic polyisocyanates with b) polyesterols, c) blowing agents, d) cell-opening additives selected from the group consisting of homo- or copolymers based on ethylhexyl acrylate, on polybutadiene, on polyisobutene, and on diorganosilicones, or a mixture of two or more of said antifoams, e) silicone-based cell stabilizers and optionally f) chain extenders and/or crosslinking agents, g) catalysts, and h) other auxiliaries and/or additives, and charging the materials to a mold, and permitting them to complete a reaction to give a polyurethane foam molding. The present invention further relates to polyurethane moldings obtainable by this process, and to the use of said moldings as shoe sole, steering wheel, seat, or armrest. | 09-26-2013 |
| 20130249135 | POLYSTYRENE MELT EXTRUSION PROCESS - Extruded polystyrene foams are made with an added brominated styrene-butadiene polymer as a flame retardant. The blowing agent is a mixture of carbon dioxide, ethanol and water, which may also contain a C | 09-26-2013 |
| 20140077407 | METHOD AND DEVICE FOR PRODUCING SLABSTOCK FOAM - The present invention concerns a method for the production of slabstock foam, wherein a vessel which is open on its underside is placed onto the bottom of a foaming box, the vessel is filled with reaction components and subsequently removed. In the utilized vessel its horizontal cross-sectional contour can be described by, starting from a basic body which comprises at least three corners, a protrusion ( | 03-20-2014 |
| 20140084506 | MOULDING METHOD - The invention provides for a method of manufacturing a hollow article, which includes the step of introducing a polymeric composition that is settable into an article that has a shape-retaining property and at the same time a degree of flexibility which is yet insufficient to cause distortion of the article on the application of normal force. | 03-27-2014 |
| 20140131910 | THERMALLY HARDENABLE PREPARATIONS - The subject matter of the present application is thermally-expandable preparations, containing (a) at least one peroxide-crosslinkable polymer, (b) at least one low-molecular, multifunctional acrylate, (c) at least one peroxide and (d) at least two different chemical propellants, the mass ratio of the at least one peroxide to the at least one low-molecular, multifunctional acrylate being at least 1:3. | 05-15-2014 |
| 20140197562 | COMPOSITE MATERIAL FOR MAKING ARTICLES OUT OF POLYURETHANE DOPED WITH POLYMERIC GEL AND THE PROCEDURE FOR MAKING IT - A standard polyurethane doped with a polymeric gel uniformly diffused in the body, where the polyurethane acquires the properties of the gel without any change to its structure in a durable stable manner. | 07-17-2014 |
| 20140264995 | THIN-WALLED IMPLANT STRUCTURES AND RELATED METHODS - Ceramic implants, such as spinal implants, may comprise a dense shell and a porous core. In some implementations, methods for manufacturing the implants may comprise one or more stages at which the core material abuts the shell so as to form a mechanical attachment therewith while both the core and the shell are in a green state. The core and the shell may be fired together, and the resultant implant may, in some embodiments, comprise a unitary piece of ceramic material. Some embodiments may comprise silicon nitride ceramic materials. | 09-18-2014 |
| 20140339723 | METHOD AND COMPOSITION FOR FILLING ELONGATED CHANNELS WITH EXPANDING FOAM INSULATION - The invention described herein generally pertains to the use of low boiling point, low vapor pressure blowing agents with froth polyurethane or polyisocyanurate foams to fill hollow cavities (particularly window lineals) and which have lowered exotherms, which prevent deformation of the hollow cavity (e.g., window lineal) and additional achieve filling of longer lengths of window lineals by increasing the foaming and gel times of the reaction. | 11-20-2014 |
| 20150014879 | POLYMERIC MATERIAL FOR CONTAINER - A formulation for producing a polymeric material including high-density polyethylene, a chemical blowing agent, and other optional components is described. | 01-15-2015 |
| 20150035193 | Method Of Improving The Appearance Of Injection Molding And Foaming Product - A method of improving the appearance of foaming injection molding product includes closing the moving mold and the fixed mold and setting a clamping force on the closed mold, wherein a mold cavity is formed between the moving mold and the fixed mold. The method proceeds by inflating the mold cavity with high pressure and high temperature gas until the air pressure in the mold cavity reaches 2-25 MPa and the temperature of the high pressure and high temperature gas is between 60-200° C., then injecting molten resin that contains foaming agent into the mold cavity while continuously inflating high pressure and high temperature gas. After injection completed, stopping inflating high pressure and high temperature gas and simultaneously releasing pressure, wherein the step of releasing pressure includes the step of opening the mold. | 02-05-2015 |
| 20150137408 | METHOD FOR PRODUCING RUBBER MOLDING - A method of producing a rubber molded article, involving utilizing a compound different from a compound that has been used as a crosslinking agent. The method of producing a rubber molded article includes a crosslinking step of crosslinking a rubber component by decomposing a compound to be used as a crosslinking agent for the rubber component, the compound including a structure represented by the following formula (I), in a rubber composition containing the rubber component and the compound, the rubber composition including a sulfur content of 2.0 wt % or less: α-β-γ . . . (I) (in the formula (I), α represents a monovalent organic group, β represents —N═N—, and γ represents hydrogen or a monovalent organic group). | 05-21-2015 |
| 20150291759 | Shaping of Expanded Polystyrene Made Using D-Limonene as a Plasticizer - Disclosed is a process for production of expanded polystyrene using D-limonene as a plasticizer, which allows reducing the amount of pentane in the process, yet allows generating beads with similar cell size as if greater quantities of pentane had been used. Pentane is an organic solvent with toxicity associated with organic solvents. After forming beads, they are melted in a mold to form a variety of products, or they can be extruded in a process where limonene is used instead of or in addition to other blowing agents. | 10-15-2015 |
| 20150314510 | System And Method For Manufacturing Cylindrical Foam Articles - The present teachings provide a system and method for producing a cylindrical foam article. The method can include coupling a first end of an outlet adaptor to a die, and coupling the die to a die housing of an extruder. The method can also include coupling a substantially cylindrical die outlet to a second end of the outlet adaptor, and substantially continuously extruding a polymer through the outlet adaptor into the die outlet to create the cylindrical foam article with a natural skin formed about a perimeter of the cylindrical foam article. | 11-05-2015 |
| 20160001476 | METHOD AND DEVICE FOR PRODUCING A FOAM PARTICLE PART - The invention relates to a method and an apparatus for the production of a foam particle part. The method comprises the following steps:
| 01-07-2016 |
| 20160121524 | METHOD FOR PRODUCING EXPANDED GRANULATE - The invention relates to a process for production of expanded pellets from a thermoplastic elastomer having an elongation at break of more than 100% measured to DIN EN 150 527-2, said process comprising the steps of:
| 05-05-2016 |
| 20180022009 | MOLDING UNIT FOR CONTAINERS, EQUIPPED WITH A BOXING DEVICE HAVING AN ADDED SLEEVE | 01-25-2018 |
| 20180022026 | THREE-DIMENSIONAL PRINTING SYSTEM | 01-25-2018 |
| 264055000 | Plural or incremental expansion steps | 5 |
| 20080290543 | Method for Injection Expansion Molding of Thermoplastic Resin - An injection-foaming method for a thermoplastic resin comprising using an injection unit | 11-27-2008 |
| 20090108485 | THERMOPLASTIC ELASTOMER COMPOSITION FOR CORE-BACK SYSTEM FOAM INJECTION MOLDING AND FOAM INJECTION MOLDING METHOD USING THE SAME - The thermoplastic elastomer composition of the present invention comprises a thermoplastic elastomer which includes an ethylene.α-olefin copolymer and a crystalline polyethylene resin, wherein the crystalline polyethylene resin constitutes a three-dimensional network structure in a matrix formed by the ethylene.α-olefin copolymer, an organic or inorganic blowing agent and a nucleating agent, wherein the thermoplastic elastomer has a melt flow rate of 5 g/10 min or more at a temperature of 230° C. and a load of 10 kg, and a melt tension of 3.0 gf or more at a temperature of 210° C. and a pulling rate of 2 m/min. Also the foam injection molding method of the present invention is a method including injecting the above-mentioned composition into a cavity space of a metal mold and then expanding the cavity space to foam by opening the metal mold at a mold opening rate of 0.05 to 0.4 mm/sec. | 04-30-2009 |
| 20100213631 | COATING COMPOSITION FOR THERMOPLASTIC RESIN PARTICLES FOR FORMING FOAM CONTAINERS - Expandable or pre-expanded thermoplastic particles, e.g. polystyrene particles, used to form foam containers e.g. cups, bowls, are coated with a coating composition comprising a liquid part consisting of a) liquid polyethylene glycol with an average molecular weight of 200 to 800; and a solid part comprising components selected from the group consisting of b) polyolefin wax, e.g. polyethylene wax, c) a metal salt of higher fatty acids, e.g. zinc stearate or calcium stearate; d) polyethylene glycol with an average molecular weight of 900 to 10,000; and e) a fatty bisamide or fatty amide, e.g. ethylene bis-stearamide; and combinations of b) through e). The coating composition prevents or resists leakage of liquids and foods with oil and/or fatty components and improves the rim strength and ATF properties of foam containers. | 08-26-2010 |
| 20110193254 | METHOD FOR THE PREPARATION OF FOAMED AND CROSSLINKED RUBBER - The method of the present invention is adapted to foam and crosslink a raw material including a rubber, a crosslinking agent and a foaming agent. The method includes the following steps: (1) a first crosslinking and foaming step, placing the raw material into a first mold, crosslinking and foaming the raw material to form a pre-molded body; (2) a second crosslinking and foaming step, withdrawing the pre-molded body from the first mold, placing the pre-molded body into a second mold after the pre-molded body being cooled down, crosslinking and foaming the pre-molded body to form a molded body; and (3) a third crosslinking and foaming step, withdrawing the molded body from the second mold, placing the molded body into a heating device after the molded body being cooled down, crosslinking and foaming the molded body to form a product. | 08-11-2011 |
| 20120007267 | Method of Producing Compostable or Biobased Foams - The present invention describes compostable or biobased foams that are useful for fabricating foamed articles. The foams are produced using a compound comprising a compostable or biobased polyester and a blowing agent. Additives including plasticizers and chain extenders are optionally included in the compostable or biobased composition. These foams can be produced using conventional melt processing techniques, such as single and twin-screw extrusion processes. In one embodiment, foamed strand profiles are cooled and cut using conventional strand pelletizing equipment. In another embodiment, foamed beads are produced by cutting the foamed strand at the face of the extrusion die and the foamed bead or strand is subsequently cooled. The resulting compostable or biobased foamed bead has a specific gravity less than 0.15 g/cm | 01-12-2012 |
