Entries |
Document | Title | Date |
20090000686 | Fuel tank for automobile - The fuel tank for automobiles has the following structure. A main body of a fuel tank has an entire thickness of 3 to 8 mm and is formed of a surface layer, an outer main body layer, an outer adhesive layer, a barrier layer, an inner adhesive layer, and an inner main body layer that are formed in this order from-exterior. The surface layer and the inner main body-layer are formed from high density polyethylene. The outer main body layer is formed by using as a main material a recycled material of high density polyethylene, contains an inorganic filler having a particle diameter of 10 μm or less in an amount of 10 to 35 wt % with respect to a total weight of the outer main body layer, and has an thickness of 25% to 50% of the entire thickness of the main body. The outer adhesive layer and the inner adhesive layer is formed from a synthetic resin having an adhesion property for both of high density polyethylene and the barrier layer, and the barrier layer is formed from a synthetic resin hardly or never allow fuel permeation. | 01-01-2009 |
20090014081 | Thermosetting or thermoplastic arrangement for manufacturing piping for air conditioning - Thermosetting or thermoplastic arrangement for the manufacturing of pipes ( | 01-15-2009 |
20090107572 | HIGHLY ABRASION-RESISTANT IONOMER PIPES - A pipe or tube article is disclosed that comprises an innermost layer wherein the innermost layer has a thickness of about 6.3 to about 102 mm and comprises an ionomer composition prepared from an acid polymer comprising an α-olefin having 2 to 10 carbons and about 5 to about 25 weight % based on the total weight of the acid polymer of an α,β-ethylenically unsaturated carboxylic acid having 3 to 8 carbons; and about 5 to about 90% of the carboxylic acids are neutralized with a metal ion to provide long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Methods for preparing the article and transporting abrasive materials through the article are also described. | 04-30-2009 |
20090120523 | Jacketed pipe insulation - A method of installing pipe insulation includes a length of tubular insulation with a longitudinally extending slit so that the tubular insulation can be passed over and mounted on a length of pipe and a jacket overlaying the outer surface of the tubular insulation. | 05-14-2009 |
20090173407 | MULTILAYER TUBE FOR TRANSPORTING WATER OR GAS - The invention concerns a multilayer tube comprising (viewed form inside outwards of the tube): optionally a layer C | 07-09-2009 |
20090266437 | Coated Pipes for Conveying Oil - The present invention relates to an oil pipe having a lining imparting substantially reduced adhesion of asphaltenes, paraffin wax, and inorganic scale, so as to reduce plugging of said oil pipe, and impermeability to salt water so as to protect the oil pipe from corrosion. | 10-29-2009 |
20090308480 | DELIVERY PIPE FOR THE TRANSPORT OF SOLIDS - A delivery pipe ( | 12-17-2009 |
20100037974 | DUCT SECTION, SYSTEM AND METHOD FOR CONSTRUCTING SAME - A duct section and system, including a laminated shroud, acting as a secondary duct, for aerospace and other applications, and a method for constructing same. The duct structure incorporates a metallic primary duct tube, with a laminated shroud surrounding the primary duct tube and separated therefrom by an annular gap. The laminated shroud includes a metallic inner layer and a polymeric outer layer. Preferably, the thin metallic layer is a corrosion resistant material such as corrosion resistant stainless steel or titanium. In one embodiment of the invention, the outer polymeric layer is a polyimide material, such as polyimide resin-impregnated fiberglass cloth. | 02-18-2010 |
20100043905 | Lined Pipes for Conveying Chemicals - The present invention relates to a vessel, in particular a pipe, especially an oil pipe, having a preformed film adhered onto the interior surface of the pipe, the interior surface of the preformed film reducing the deposition of at least one of asphaltenes, paraffin wax, and inorganic scale by at least 40% as compared to the interior surface of said oil pipe without said preformed film being present. In a preferred embodiment, the preformed film is adhered to the interior surface of the pipe with a primer layer with an optional barrier layer between the primer layer and the preformed film. | 02-25-2010 |
20100071797 | FIRE RETARDANT AIR HANDLING SYSTEM DUCTWORK COMPONENT AND METHOD OF MANUFACTURE - A rigid ductwork component for a residential, commercial, or industrial air handling system that is comprised of a rigid, tubular, fire retardant layer including a foamed or non-foamed polymer resin and a fire retardant compound. In some embodiments, the ductwork component satisfies the requirements of UL E-84 rating, and the fire retardant compound includes nanoparticles. | 03-25-2010 |
20100078090 | IMPACT SENSING MULTI-LAYERED PLASTIC MATERIAL - A multi-layer structure for sensing impacts in real-time having an inner layer of polyvinylidene fluoride having piezoelectric properties disposed between and joined with two outer layers of an electrical signal conductor. | 04-01-2010 |
20100139802 | HIGH-PRESSURE PIPE ELEMENT HAVING AN ASSEMBLY OF HOOPED TUBES AND METHOD OF MANUFACTURE - The invention relates to a high-pressure pipe element having at least two metal tubes | 06-10-2010 |
20100154917 | THERMALLY INSULATED PIPE FOR USE AT VERY HIGH TEMPERATURES - The present invention provides an insulated pipe comprising a pipe and a composite insulation system, said composite insulation system comprising: (a) a first insulation layer comprising a first insulation material having a thermal conductivity k-factor value of less than 0.023 W/m-K at 38° C.; and (b) at least one additional insulation layer comprising an insulation material having a thermal conductivity k-factor greater than that of the first insulation material and a maximum operating temperature limit less than that of the first insulation layer. The composite insulation system is bonded to an exterior surface of the pipe with the first insulation layer facing towards said exterior surface of the pipe. At least one of said first insulation layer or said at least one additional layer extends continuously about the exterior surface of the pipe. The present invention further provides an insulated pipe for use in an undersea pipeline and an insulated pipe for use in a subterranean pipeline. | 06-24-2010 |
20100294390 | METHOD OF MANUFACTURING LAMINATED FLEXIBLE TUBES - A manufacturing process for flexible tube skirts including the steps of providing a multi-layer plastic film, cutting out a strip from the multi-layer plastic film, producing a cylindrical sleeve by rolling-welding the strip, and cutting out the sleeve to the desired length to obtain the tube skirts. The strip is cut out from a multi-layer plastic film which has a symmetrical structure in relation to its median plane, with symmetrical layers having the same thickness and made of the same plastic, having the same chemical composition and the same molar mass. | 11-25-2010 |
20110023989 | SYNTACTIC POLYURETHANES AND THEIR UTILIZATION FOR OFF-SHORE INSULATION - Syntactic polyurethanes are obtainable by reacting a polyisocyanate component a) with a polyol component, the polyol component b) comprising a polyetherpolyol based on a difunctional initiator molecule b1), a polyetherpolyol based on a trifunctional initiator molecule b2) and a chain extender b3), in the presence of hollow microspheres c). Furthermore, the syntactic polyurethanes are used for insulating offshore pipes and other parts and equipment used in the offshore sector, and the insulated offshore pipes as such are described. | 02-03-2011 |
20110174410 | FIBER-REINFORCED THERMOPLASTIC PIPE - Disclosed is a reinforced thermoplastic pipe, comprising a thermoplastic polymer inner tube, a thermoplastic polymer outer tube and a reinforcing fabric between the thermoplastic polymer inner tube and the thermoplastic polymer outer tube. The reinforcing fabric comprises thermosettable thermoplastic polymer weft yarns and unidirectionally woven warp yarns. The warp yarns are twisted into twisted cords. Disclosed is also a process of making the reinforced thermoplastic pipe. | 07-21-2011 |
20110297269 | METAL TUBE WITH POROUS METAL LINER - A metal tube having an inner wall coated with a metal foam liner. The metal tube has an outer diameter of between 2 mm and 75 mm, a length of between 10 mm and 1000 mm, and a wall thickness of between 0.2 mm and 2 mm. The metal foam liner has a thickness of between 0.1 mm and 10 mm, a permeability of between 10 | 12-08-2011 |
20120000563 | PIPE PREFORMED LINER COMPRISING METAL POWDER - The present invention relates to a preformed liner of tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer adhered to the surface of a pipe, and in particular, an oil well pipe, without the need for either a primer layer or an adhesive. The liner comprises an effective amount of metal powder which provides adhesion between the liner and the surface of the pipe. The present invention also relates to a process for making such pipe, where in a preferred embodiment, the liner is co-extruded to form an inner layer and an outer layer. This co-extrusion embodiment is particularly useful in applications where high purity is necessary. In this case, the inner layer comprises an effective amount of metal powder and the outer layer is pure tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer. | 01-05-2012 |
20120037258 | PIPE INSULATION PRODUCTS AND METHODS - A pipe insulation product including a core of insulating material and a roughly rectangular laminate. The core may include an outer surface; an inner surface; and a wall extending between the outer and inner surfaces. The laminate may include a foil or metallized polymeric film sheet, a scrim, a paper media sheet, and a polymeric film sheet bonded together via an adhesive. The laminate may include a closure flap that adhesively seals opposite ends of the laminate together to form a cylindrical tube with the core enclosed therein. The paper media sheet may be between the range of 20 and 40 pounds per 3000 square feet to provide greater closure flap seal integrity without significantly reducing one or more beneficial properties of the laminate. | 02-16-2012 |
20120042981 | Multilayer air-cellular insulation laminate containing two-side metallized film - A multilayer insulation has first and second outer polymeric layers having respective first and second outer metallized surfaces and respective first and second bonding layers inner side thereof. A third metallized coating is between the outer first and second polymeric layers. An air cellular assembly is between the first bonding layer and the second bonding layer. The air-cellular assembly has a plurality of air-filled cells between a first air cellular film and a second air-cellular film. In one embodiment, the third metallized coating is directly bonded to the first bonding layer, the second bonding layer, or a third bonding layer. Another embodiment has a total polymeric thickness of from 7 to 20 mils, a total thickness of from 1.5 to 4 centimeters, and an intrinsic normalized R-Value per inch of at least 2.9. A climate control duct can be surrounded by the multilayer insulation laminate. | 02-23-2012 |
20120060960 | DUCT MOLDING METHOD AND DUCT - The present invention provides a duct molding method by which it is possible to improve the adhesion of a sheet. In the duct molding method of the present invention, a molten thermoplastic resin sheet is positioned between molds. Subsequently, the thermoplastic resin sheet (P) is absorbed onto cavity surfaces of the molds and the molds are closed. Thereby, a duct is molded. | 03-15-2012 |
20120145277 | Layered Sintered Microfluidic Devices With Controlled Compression During Sintering and Associated Methods - Embodiments are directed a method for reducing and/or controlling compression of stacked layers in a micro fluidic device, wherein the method comprises stacking at least two layers wherein at least one of the stacked layers comprises a microstructure. The microstructure comprises a fluid passage, a plurality of walls configured to define a spacing A | 06-14-2012 |
20120247603 | Method of manufacturing paper tube corner posts - An improved method of manufacturing support posts that are commonly formed from wound paper tubes. With this invention, a number of material layers are laminated together and formed in a continuous manner while they are still pliable. Materials are taken from a number of rolls that is equal to the number of layers required within the finished product. The individual layers are drawn through a glue station where adhesive is applied between each layer. The finished shape is created by bringing together all of the layers, then progressively folding them around a heated mandrel that has been shaped to match the inner hollow space of a formed paper tube corner post design. | 10-04-2012 |
20120261020 | METHOD FOR PRODUCING A PROTECTIVE COATING ON A TUBE, AND TUBE COMPRISING A COATING OBTAINED BY MEANS OF SUCH A METHOD - A method includes: moving the tube ( | 10-18-2012 |
20120318398 | MULTILAYER CONDUIT WITH INTEGRATED WEAR INDICATOR - A conduit includes a multilayer wall including an outer layer having a first color; an intermediate layer having a second color; and an inner layer having a third color, wherein the intermediate layer is between the outer layer and the inner layer, and the first color, the second color, and the third color are different. Each of the first color, the second color, and the third color indicates a level of wear of the multilayer wall when one of the first color, the second color, or the third color is exposed due to wear or abrasion. | 12-20-2012 |
20130008551 | LATERAL PIPE LINING MATERIAL, METHOD FOR PRODUCTION OF SAME, AND LATERAL PIPE LINING PROCESS - A resin sheet that is comprised of a thermoplastic resin capable of being thermally welded to a lining material of a main pipe is attached to a flange of a lateral pipe liming material via a resin-absorbing material. The resin sheet and the resin-absorbing material are thermally welded. The flange and the resin-absorbing material are respectively impregnated with a thermoplastic resin, which is cured to bond the flange and the resin-absorbing material. A similar configuration is provided to the bottom side of the flange as well. The resin sheet of the thermoplastic resin is integrally bonded to the flange, so that the flange of the lateral pipe lining material and the main pipe lining material can be reliably bonded by a simple method through thermally welding of the lining material of the main pipe and the resin sheet, even in a case in which the flange is hard. | 01-10-2013 |
20130056109 | RESIN-MADE INLET PIPE AND METHOD OF PRODUCING THE PIPE - A resin-made fuel inlet pipe having a light weight excellent impact resistance, and causing no fuel leakage, includes: a tubular inner layer; and an outer layer laminated on an outer peripheral surface thereof, in which: the inner layer is formed of a resin having fuel resistance; the outer layer is formed of a resin (A) having a tensile elongation at 8 m/s measured by a high-speed tensile test of 200% or more; and the inner layer and the outer layer are in a substantially non-adherent state. | 03-07-2013 |
20130068338 | Hose For Transporting Refrigerant - A hose for transporting refrigerant of this invention is a hose comprising an inner tube layer including a gas barrier layer and a rubber layer adjacent to an outer surface of the gas barrier layer. The rubber layer comprises a rubber composition comprising from 1 to 15 parts by mass of an alkylphenol-formaldehyde resin and from 1 to 8 parts by mass of a hydrotalcite per 100 parts by mass of a raw rubber. The raw rubber comprises at least one selected from the group consisting of a BIMS and a butyl rubber and/or a halogenated butyl rubber, which is a copolymer rubber. The gas barrier layer comprises a polyamide resin composition comprising a modified polyamide obtained by blending a polyamide and a carboxyl group-containing modified polyolefin. The hose for transporting refrigerant of this invention has superior adhesion between the gas barrier layer and the rubber layer. | 03-21-2013 |
20130248042 | METHODS AND APPARATUSES FOR REPAIRING A CONDUIT - Methods and apparatuses relate to repairing a conduit having a defect and providing the conduit with structural support. A support member may be positioned along the inner surface of a conduit covering a defect. A sealing member may be disposed along a periphery of the support member so as to provide an obstruction to fluid flow between an outer surface of the support member and the inner surface of the conduit. One or more retaining members may apply a suitable pressure to the sealing member and support member to maintain obstruction to fluid flow between the interior and the exterior of the conduit. The support member may provide the repaired conduit with a greater degree of structural integrity and strength at the site of the defect than would otherwise be available. | 09-26-2013 |
20130255820 | HOLLOW ARTICLE OF VARIABLE WALL STRUCTURE DENSITY - A molded thermoplastic article including a hollow body is provided, the article comprising a first layer, and a foamed second layer, the first layer and foamed second layer defining a wall structure, the foamed second layer having a lighter density relative to the first layer. In the wall structure, the ratio of the first layer to foamed second layer varies along the length of the article. | 10-03-2013 |
20130269819 | Pipe Section Having Bonded Composite Barrier Layer - Pipe sections and methods for forming pipe sections are disclosed. A pipe section includes a hollow body formed from a metal material, the hollow body having an inner surface and an outer surface, the inner surface defining an interior. The pipe section further includes a barrier layer surrounding and bonded to the hollow body, the barrier layer having an inner surface and an outer surface. The barrier layer is formed from a continuous fiber reinforced thermoplastic material. Such pipe sections may be lightweight and flexible while exhibiting improved strength characteristics. | 10-17-2013 |
20140020783 | Method and Apparatus for Reducing Fluid Flow Friction in a Pipe - A tubular pipe adapted for transporting oil and water may be treated upon its interior surface to reduce frictional pressure of a multiphase oil/water mixture flowing through the pipe. The tubular pipe may have an interior wall and a central cavity. In some instances, the interior surface is provided with a first textured region being adapted for reducing the adhesive forces of transported oil along the interior wall. A second region upon the interior wall may be adapted for reducing the adhesive forces of water along the interior wall of the tubular pipe. In some applications, riblets may be provided upon the interior pipe wall to further reduce the frictional forces of fluid flowing through the central cavity of the pipe. | 01-23-2014 |
20140182735 | THERMOPLASTIC EXTRUSION WITH VAPOR BARRIER AND SURFACE SULFONATION - A reinforced thermoplastic extrusion and a related method of manufacture are provided. The reinforced thermoplastic extrusion includes an extruded polymeric member, a thermoplastic reinforcing layer, and an intermediate vapor barrier between the extruded polymeric member and the thermoplastic reinforcing layer. The intermediate vapor barrier is bonded to the exterior of the extruded polymeric member and/or the interior of the thermoplastic reinforcing layer to limit the transfer of volatile hydrocarbons therethrough. Surface sulfonation can additionally be included to decrease the permeability of the thermoplastic extrusion to volatile hydrocarbons and other gases that can affect the performance of the outer thermoplastic reinforcing layer. | 07-03-2014 |
20140216593 | Tubular Component with an Internal Wear-Resistant Surface - A tubular component is for a pipe system. The tubular component comprises an external shell. and an internal wear element which is attached to the inner jacket surface of the shell by a bonding mass in a first annular space formed between the outer jacket surface of the wear element and the inner jacket surface of the shell, the bonding mass being constituted by a hyperelastic bonding mass. A method is for attaching the wear element to the tubular component. Use of a hyperelastic bonding mass is for such attaching. | 08-07-2014 |
20140251487 | Invisible Seam Laminated Article and Process of Manufacture - The present disclosure relates to a laminated article with an invisible seam. The laminated article, in accordance with the present disclosure, is a laminate tube or lamitube. The present disclosure also relates to a process for manufacturing of laminated articles with substantially invisible seam. | 09-11-2014 |
20140261846 | Clad duct - A clad duct comprising an outer sheet of thermoplastic material and an inner duct of rigid foam is disclosed. The outer sheet of thermoplastic material is bonded to the inner duct. The outer sheet has a first edge and a second edge and a seal is provided to seal the first edge and the second edge. | 09-18-2014 |
20140290782 | MULTILAYER PIPE WITH POLYAMIDE LAYER - A pipe or pipeline for use in the oil and gas industry for conveying lines, collection pipelines and transport pipelines with reduced operating risk and increased lifetime is provided. The pipe contains: a) an external reinforcement layer and b) an internal liner which comprises securely bonded to one another: I) a layer made of a thermoplastic moulding composition selected from a polyolefin moulding composition and a fluoropolymer moulding composition and II) a layer made of a polyamide moulding composition, wherein not only the polyamide moulding composition but also the moulding composition of the layer according to I) in essence comprises no blend component which is composed of another polymer and which has disperse distribution in the moulding composition. | 10-02-2014 |
20140305533 | METHOD OF PRODUCING FLOW CHANNEL DEVICE, AND FLOW CHANNEL DEVICE - There is provided a method of producing a fluid channel device including laminating a plurality of polyimide films including at least one polyimide film having a port and at least one polyimide film having a channel, the polyimide films including at least one thermoplastic polyimide film; and adhering a plurality of the polyimide films by applying heat such that the ports are communicated with the channels. There is also provided the flow channel device produced by the method. | 10-16-2014 |
20140338779 | METHOD FOR PRODUCING TUBULAR BODIES FOR PACKAGING TUBES, AND A PACKAGING TUBE WITH A TUBULAR BODY - A method for manufacturing tubular bodies ( | 11-20-2014 |
20140338780 | COMPRESSED-AIR BRAKE LINE - A compressed-air brake line which comprises: I) an external layer made of a moulding composition which comprises at least 50% by weight of PA11 and/or PA12, and II) an internal layer made of a moulding composition which comprises at least 50% by weight of polyamide whose monomer units comprise on average at least 8 C atoms is provided. Layer II) does not contain PA11 and/or PA12. The compressed-air brake line has high bursting strength even at elevated temperature, good low-temperature impact resistance, good ageing resistance, and can be produced at low cost. | 11-20-2014 |
20150027581 | PIPE, PIPE CONNECTION AND PIPELINE SYSTEM - A pipeline system is enclosed including unlined or plastic lined pipes. A mechanical metal to metal connection is employed that can provide a fluid tight seal. A pipe coupling may be employed to span the connection. Plastic lined pipes can have their plastic liners connected to form a fluid tight bladder. Electro-fusion may be employed. | 01-29-2015 |
20150367563 | SUBSTRATE WITH PROTECTIVE POLYVINYL CHLORIDE SLEEVE - The present invention provides a heat shrinkable protective coating for protecting a substrate from deleterious elements present in environments in which the substrates are deployed and methods and apparatus for manufacturing a heat shrinkable coating of suitable length and girth to coat a pylon substrate or building girder. Prior to shrinking, the extruded pipe is slid over a wooden pylon, dimensional lumber, railroad tie or other metal or wood substrate. Upon application of heat, the pipe will shrink to encapsulate the substrate in a hermetically sealed, durable membrane. | 12-24-2015 |
20160025371 | DUCT LINER - A duct liner includes an insulation layer and a facing. The insulation layer having a first edge surface, a second edge surface that is spaced apart from the first edge surface, and a first and second face surfaces that extend from the first edge surface to the second edge surface. The facing is disposed on the first face surface, such that the first face surface is entirely covered by the facing. The facing is disposed on the first and second edge surfaces, such that the first and second edge surfaces are entirely covered by the facing. Two spaced apart strips of the facing are disposed on and cover a portion of the second face surface adjacent to the first and second edge surfaces, such that a portion of the second face surface between the strips is uncovered by the facing. | 01-28-2016 |
20160053922 | ENDLESS ON-SITE PIPE MANUFACTURING - Method and article of manufacture are disclosed for on-site manufacturing of any length, any shape, size, and any thickness pipe. Sheets of materials fulfilling the requirements of the inner surface of the pipe is first wrapped around a mandrel of a desired size and cross-section to form a pipe-liner. As described, the pipe-liner can also be manufactured by spraying fast-setting materials on the mandrel or injecting desired materials into a form surrounding the mandrel. Afterwards, fabrics saturated with resin are wrapped around the manufactured pipe-liner. Completed pipe section is partially pushed off the mandrel and another similar partial pipe is manufactured around the mandrel as a continuation of the previous partial pipe section. This process is repeated to manufacture a seamless pipe of any desired length. Disclosed pipes eliminate almost all weaknesses of plastic, metal, and concrete pipes and noticeably reduce costs of transportation and manufacturing. | 02-25-2016 |
20160153605 | Insulation Material as well as Insulation Element for a Pipe in the Vicinity of a Wall or Ceiling Duct | 06-02-2016 |
20160186797 | OUTER CASING FOR CONTROL CABLE, METHOD OF MANUFACTURING THE SAME, AND CONTROL CABLE - An outer casing for a control cable | 06-30-2016 |