| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 264291000 | Stretching or stretch forming | 36 |
| 20080224352 | SOLUTION CASTING PROCESS AND SYSTEM - In a solution casting system, a casting die causes dope containing polymer and solvent to flow. A casting support belt is disposed movably under the casting die, for forming cast film from the dope being cast. A stripping roller strips the cast film having a self-supporting property to form self-supporting cast film. A first dryer stretches the self-supporting cast film, and while the self-supporting cast film is stretched, applies first gas with temperature T | 09-18-2008 |
| 20080237928 | CASTING DEVICE, SOLUTION CASTING APPARATUS, AND SOLUTION CASTING METHOD - A casting dope is cast onto a casting belt to form a casting film, and then the casting film is peeled as a wet film from the casting belt. The wet film is guided through a transfer area toward a tenter drying device. In the tenter drying device, a tenter performs sequentially the drying, the stretching and the relaxation of the wet film during transporting the wet film. On the wet film, a bowing phenomena occurs by the relaxation to generate a first disorientation of an optical axis, and therefore the orientation of slow axed becomes not uniform. The stretching provide a second disorientation of the optical axis so as to cancel the first disorientation. Thus in the obtained film, the nonuniformity of the orientation of the slow axes is reduced. | 10-02-2008 |
| 20090020913 | Solution Casting Method - A dope made from TAC, additives and solvent is cast onto a belt to form a casting film. When having self-supporting property, the casting film is peeled from the belt as a wet film ( | 01-22-2009 |
| 20090115100 | METHOD FOR PRODUCING THERMOPLASTIC FILM - The present invention provides a method for producing a thermoplastic film which makes it possible to improve the optical properties of the thermoplastic film obtained by stretching and a thermoplastic film manufactured thereby. The transverse stretching section in which a cellulose acylate film is transversely stretched includes: a preheating zone, a transverse stretching zone, a cooling zone and a thermal relaxation zone, and the cellulose acylate film having been cooled in the cooling zone is immediately subjected to thermal relaxation treatment in the thermal relaxation zone. | 05-07-2009 |
| 20090127741 | Process for producing biaxially oriented polyester film - A process produces polyester film which is effectively reduced in the disadvantageous lengthwise and widthwise heat shrinkages inherent in biaxially oriented film and which is excellent in flatness and mechanical characteristics. More specifically, process produces biaxially oriented polyester film by subjecting a biaxially oriented polyester film which has been drawn in the lengthwise and widthwise directions and heat-treated to widthwise relaxation and lengthwise relaxation by a method of shortening the clip intervals, wherein the biaxially oriented polyester film is held under stretching between the widthwise relaxation step and the lengthwise relaxation step. | 05-21-2009 |
| 20090127742 | Process For Activating A Web - A process for simultaneously activating two or more portions of a web in different directions. The process involves feeding a web into an apparatus that includes a pair of intermeshing activation rolls having three dimensional surface features configured to simultaneously activate different portions a web in different directions. The three dimensional surface features are arranged in discrete regions on the rolls such that at least two of the regions provide different directions of activation. The rolls include one or more buffer regions positioned between the discrete regions on the roll that provide different directions of activation. | 05-21-2009 |
| 20090250838 | POROUS FILM MANUFACTURING METHOD AND SUCCESSIVE BIAXIAL STRETCHING APPARATUS FOR MANUFACTURING POROUS FILM - Provided is a method for manufacturing a high-quality porous film. Here, while the porous film is being manufactured through forming micropores by stretching, a raw film is prevented from slipping on the surfaces of the respective rolls as much as possible even though the raw film includes oil or liquid paraffin as a solvent. The method is for manufacturing a porous film through forming micropores by successive biaxial stretching. A tensile force applied to the raw film F transferring from the longitudinal stretching machine ( | 10-08-2009 |
| 20090261503 | SHEET OR FILM OBLIQUE STRETCHING METHOD AND SHEET OR FILM CLIPPING STRETCHER - Clipping both right and left side edge parts of a sheet or film by right and left pitch-variable clips having flow-directional clip pitches variable along with travel movements, respectively, having positions (AR, AL) for initiation of enlargements of flow-directional clip pitches changed between right clips and left clips, and enlarging flow-directional clip pitches along with travel movements of clips to thereby make an oblique stretch. | 10-22-2009 |
| 20090321989 | Radiation screening materials - A process for the production of a composition for screening solar radiation which comprises a transparent polymer incorporating an interference pigment comprising a platelet shaped material is disclosed, which process comprises the steps of incorporating the interference pigment into the polymer, and then stretching the resultant polymer in at least one direction to at least twice its original length in that direction. The resultant composition has improved radiation screening properties. | 12-31-2009 |
| 20100001433 | Method for obtaining high-tenacity aramid yarn - The invention relates to a method for obtaining high-tenacity aramid yarn, wherein the yarn is made of a copolymer obtained from a mixture of monomers comprising DAPBI, an aromatic para-diamine, and an aromatic para-diacid, wherein the yarn is heated in at least two process steps, characterized in that in a first step the yarn is heated at a temperature of 200 to 360° C. at a tension of at least 0.2 cN/dtex, followed by a second step wherein the yarn is heated at a temperature of 370 to 500° C. at a tension of less than 1 cN/dtex. The invention further pertains to a multifilament aramid yarn spun from a sulfuric acid spin dope and having a tenacity of at least 2500 mN/tex. | 01-07-2010 |
| 20100032866 | METHOD FOR PRODUCING THERMOPLASTIC RESIN FILM - There is provided a method for producing a thermoplastic resin film that can suppress the occurrence of color nonuniformity in the produced thermoplastic resin film even when the film is incorporated into liquid crystal display devices and exposed to high temperature and high humidity over time. Heat treatment is conducted for the thermoplastic resin film at a temperature of Tg−30° C. or higher and Tg+20° C. or lower, Tg representing the glass transition temperature of the thermoplastic resin, for 10 seconds to 600 seconds while conveying the thermoplastic resin film at a tension of 2 N/cm | 02-11-2010 |
| 20100044916 | Polypropylene Container and Process for Making the Same - A multilayer plastic container comprises a layer of a polypropylene and an intermediate layer directly adjacent the layer of polypropylene wherein at least one of the polypropylene and intermediate layers comprises an adhesive such as maleic anhydride incorporated therein to adhere the layer of polypropylene to the layer of EVOH. | 02-25-2010 |
| 20100123267 | Method for stretching carbon nanotube film - A method for stretching a carbon nanotube film includes providing one or more carbon nanotube films and one or more elastic supporters, attaching at least one portion of the one or more carbon nanotube films to the one or more elastic supporters, and stretching the elastic supporters. | 05-20-2010 |
| 20100140841 | Capillary Imprinting Technique - The present invention provides a method for patterning a substrate with a template having a mold that features positioning conformable material between the substrate and the mold and filling a volume defined between the mold and the substrate with the conformable material through capillary action between the conformable material and one of the mold and the substrate. Thereafter, the conformable material is solidified. Specifically, the distance between the mold and the substrate is controlled to a sufficient degree to attenuate, if not avoid, compressive forces between the mold and the substrate. As a result, upon initial contact of the mold with the conformable material, spontaneous capillary filling of the volume between the mold and the substrate occurs. | 06-10-2010 |
| 20100258977 | Methods for Forming Microporous and Antimicrobial Articles - The present disclosure describes a method for forming microporous and antimicrobial articles. The method comprises preparing an initial composition containing a semicrystalline polylactic acid material, a nonpolymeric aliphatic ester diluent, and a nucleating agent. The initial composition is heated to form a melt blended composition. Upon cooling, the melt blended composition phase separates into a composition having two continuous phases. A network of interconnected micropores may be formed by stretching the composition, by removing at least a portion of the nonpolymeric aliphatic ester diluent from the composition, or a combination thereof. | 10-14-2010 |
| 20100270704 | Method for making carbon nanotube film - A method for making a carbon nanotube film is provided. In the method, a carbon nanotube array is grown on a substrate, and a rigid drawing device is provided. The carbon nanotube array is adhered to the rigid drawing device via an planar adhesive region of the rigid drawing device. The rigid drawing device is pulled at a speed along a direction away from the substrate, thereby pulling out a continuous carbon nanotube film. The carbon nanotube array includes a plurality of carbon nanotubes. The planar adhesive region have a linear border, wherein the linear border of the planar adhesive region is the closest border of the planar adhesive region to a surface of the substrate. The carbon nanotubes in the carbon nanotube array are adhered via the planar adhesive region. | 10-28-2010 |
| 20110140302 | Capillary Imprinting Technique - The present invention provides a method for patterning a substrate with a template having a mold that features positioning conformable material between the substrate and the mold and filling a volume defined between the mold and the substrate with the conformable material through capillary action between the conformable material and one of the mold and the substrate. Thereafter, the conformable material is solidified. Specifically, the distance between the mold and the substrate is controlled to a sufficient degree to attenuate, if not avoid, compressive forces between the mold and the substrate. As a result, upon initial contact of the mold with the conformable material, capillary filling of the volume between the mold and the substrate occurs. | 06-16-2011 |
| 20120068376 | RAIL SUPPORT DEVICE AND SHEET STRETCHING METHOD - A rail support device installed in a clip chain type sheet stretching apparatus configured to stretch a sheet includes a first rail support member, a second rail support member, and an arc shaped rail support member. The arc shaped rail support member is engaged with each of the connecting portions of the first and second rail support members to form a higher pair. The rail support device is symmetrical with respect to an intersection angle bisecting plane which is a plane developing in a vertical direction and including an intersection angle bisector. | 03-22-2012 |
| 20120126454 | BLOCK COPOLYMERS COMPRISING POLY(1,3-TRIMETHYLENE TEREPHTHALATE) AND POLY(1,3-TRIMETHYLENE 2,6-NAPHTHALATE) - Disclosed are a composition, an article comprising the composition, and a process for producing the composition. The composition comprises a block copolymer, which comprises or is produced from poly(1,3-trimethylene terephthalate) sequences and poly(1,3-trimethylene naphthalate) sequences with less than 50 wt % of poly(1,3-trimethylene naphthalate) and the process comprises combining poly(1,3-trimethylene terephthalate) and poly(1,3-trimethylene 2,6-naphthalate) under controlled transesterification to produce the composition. | 05-24-2012 |
| 20120153536 | PRE-DEFORMED THERMOPLASTICS SPRING AND METHOD OF MANUFACTURE - A thermoplastic spring and a method for manufacturing the thermoplastic spring are provided to reduce the effect of creep during use of the spring. The spring is molded and deformed to final dimensions by pre-inducing creep in the molded body. | 06-21-2012 |
| 20120223458 | METHOD OF MAKING MULTILAYER CONTAINER - This invention relates to a method of making a multilayer container which comprises:
| 09-06-2012 |
| 20120292819 | CROSSLAMINATE OF ORIENTED FILMS AND METHODS AND APPARATUS FOR MANUFACTURING SAME - A crosslaminate is formed from two oriented plies of thermoplastic polymer material, arranged so that their orientation directions cross one another, the plies being heat sealed together. Each ply is semi-fibrillated, that is consist of linear thin regions of biaxially oriented material and thicker linear bosses between the thinner regions. The webs are sealed primarily through bonds formed at the intersection of the bosses (thicker regions). The array of bosses has a division less than 2 mm. The laminate has improved aesthetic and strength properties. A method for forming the crosslaminate involves segmental stretching of the material to form the thinner regions, and apparatus comprising intermeshing grooved stretching rollers having sharp-edged crests is described. | 11-22-2012 |
| 20130026679 | METHOD FOR USING A POISSON RATIO MATERIAL - A method for using a Poisson's ratio material includes a carbon nanotube film structure is provided. The carbon nanotube film structure includes a plurality of carbon nanotubes. A first part of the carbon nanotubes are aligned a first direction, a second part of the carbon nanotubes are aligned a second direction. The first direction is substantially perpendicular to second direction. When the Poisson's ratio material is stretched or compressed substantially along the first or second direction, a Poisson's ratio value is negative. When the Poisson's ratio material is stretched or compressed in a direction having an angle of about 45 degrees with the first direction, the Poisson's ratio value is positive. | 01-31-2013 |
| 20130214451 | Widening Device - The invention relates to a covering device, comprising a feeding device for a tread strip, by means of which the tread strip can be fed to a carcass, wherein a connecting device is provided which allows ends ( | 08-22-2013 |
| 20130341829 | METHOD FOR USING A POISSON RATIO MATERIAL - A method for using a Poisson's ratio material includes a carbon nanotube film structure is provided. The carbon nanotube film structure includes a plurality of carbon nanotubes. A first part of the carbon nanotubes are aligned a first direction, a second part of the carbon nanotubes are aligned a second direction. The first direction is substantially perpendicular to second direction. When the Poisson's ratio material is stretched or compressed substantially along the first or second direction, a Poisson's ratio value is negative. | 12-26-2013 |
| 20140300033 | PTFE LAYERS AND METHODS OF MANUFACTURING - Thin PTFE layers are described having little or no node and fibril microstructure and methods of manufacturing PTFE layers are disclosed that allow for controllable permeability and porosity of the layers. In some embodiments, the PTFE layers may act as a barrier layer in an endovascular graft or other medical device. | 10-09-2014 |
| 20150008617 | METHOD AND DEVICE FOR PRODUCING A THREE-DIMENSIONAL PREFORM FROM A FIBRE FABRIC AS PART OF PRODUCTION OF FIBRE-REINFORCED FORMED COMPONENTS - The invention relates to a method and a device for producing a three-dimensional preform ( | 01-08-2015 |
| 20150048549 | METHOD OF MANUFACTURING STRETCHED FILM, DEVICE FOR MANUFACTURING STRETCHED FILM AND SYSTEM FOR MANUFACTURING STRETCHED FILM - A film (F) is transported with one end side in a width direction moved relatively in a preceding manner and the other end side moved relatively in a delayed manner and thus the film (F) is stretched in an oblique direction with respect to the width direction. In the individual positions of the film (F) in the width direction, the film (F) is asymmetrically heated in the width direction such that the amount of displacement (ΔL) of an orientation angle from a desired angle caused by bowing (Bo) asymmetrically produced in the width direction by the stretching of the film (F) in the oblique direction is reduced, and thus a maximum value in the temperature distribution of the film (F) is present between a center portion in the width direction and any one of end portions. | 02-19-2015 |
| 20150306652 | EXPANSION HEAD FOR EXPANSION TOOLS, EXPANSION TOOL COMPRISING SAID EXPANSION HEAD AND USE THEREOF - Expansion head for expansion tools for hollow workpieces, particularly for the ends of plastic pipes and metal-plastic composite pipes, comprising a union cap with a radially inwardly oriented guide flange, and a set of sector-shaped expandable jaws, each of which is individually received in the union cap in a radially movable manner by an inner flange sector that overlaps with the guide flange, the set of sector-shaped expandable jaws being movable between a closed state and an expansion state, and an approximately cylindrical lateral surface being embodied in the closed state by the outer wall of the expandable jaws, wherein the outer wall has at least one recess and/or raised area extending in the direction of the longitudinal axis of the expandable jaws. | 10-29-2015 |
| 20150336752 | STACKING STATION FOR A THERMOFORMING PLANT, METHOD FOR PRODUCING CUP-SHAPED PRODUCTS AND THERMOFORMING PLANT - The invention relates to a stacking station for a thermoforming installation, to a method for producing cup-shaped products in a thermoforming installation and to a thermoforming installation equipped therewith. Ejecting products out of a film plane onto an additional conveyor belt using a pusher is known. The additional conveyor belt first brings the products to a tilting device. After actuation of the tilting device, the products lie on their side and are conveyed onward from there. The present invention provides first pre-stacking the products coming from the ejector, to then tilt them, preferably by way of their own weight, and to stack them only once they are lying. | 11-26-2015 |
| 20160089843 | IN-SITU ANNEALING OF POLYMER FIBERS - A method of manufacturing a composite article may include attaching a polymer element to a tool. The polymer element may be pre-stretched prior to attachment to the tool. The method may further include annealing the polymer element at a predetermined temperature while constraining a length of the polymer element using the tool. In addition, the method may include curing or solidifying resin associated with the polymer element. The annealing step may be performed prior to the curing or solidifying step. Alternatively, the annealing step may be performed concurrently with the curing or solidifying step. | 03-31-2016 |
| 20190145022 | DEVICES AND METHODS FOR PRODUCING ALIGNED NANOFIBERS | 05-16-2019 |
| 264292000 | By drawing over a form | 4 |
| 20090230589 | THERMOFORMED COMPONENT WITH INTEGRAL ATTACHMENT STRUCTURE AND METHOD - A thermoforming process capable of coining and flowing material is provided, such as for making a thermoformed energy absorber for self-attachment to a vehicle bumper beam. The energy absorber includes a thermoplastic sheet with first thickness shaped by a thermoforming process to include a base and lobes configured to absorb energy. The sheet further has integrally formed attachments with solid heads formed from material flowed from adjacent areas into the attachment during the thermoforming process. Many other structures can be formed, such as ringed ridges, thinned regions, snap-attachments, hooks, living hinges, bosses, and the like. The present invention further includes an apparatus and a method for accomplishing the above, such as a heater for heating the sheet, and a die for stretching and shaping the sheet, where heated material is flowed by opposing coining die components to form selectively-shaped | 09-17-2009 |
| 20100201031 | MOLD FOR PRESS APPARATUS, AND OPEN-DRAWING METHOD - This aims to provide a press-apparatus mold capable of improving the yield of a blank while preventing wrinkles and cracks in a finished product, and an open-drawing method according to the press-apparatus mold. Within a range corresponding to the excess thickness portion ( | 08-12-2010 |
| 20100207297 | APPARATUS AND METHOD OF MANUFACTURING FLEXIBLE COVERS - A flexible, elastically gathered cover for food containers or the like, and a method of making such covers, uses a forming machine with a lower section having: a) a square shaped forming mandrel having a top, four substantially vertical sides, and a heating element extending longitudinally along each side, b) four elongated sealing bars having a tops with a guide and a front with an elongated strip of rubber attached, and c) a cover ejector with upwardly extending ejector pins. Each sealing bar is positioned opposite a respective side of the forming mandrel separated to create a forming groove around the mandrel. An upper section having a forming head assembly comprises: a) a forming die with sides that define a cavity sized to telescope over the forming mandrel, and b) a band ejector plate with plural downwardly extending ejector pins located along the perimeter. The forming die hangs below the band ejector plate. The mechanism is able to produce, in an automated sequence, flexible covers having a gathering elastic periphery that are suitable for covering open-topped containers. | 08-19-2010 |
| 20120068377 | System and Method for Making Shaped Bands - A system and method for making shaped bands includes stretching a band into a shape, heating the band to a softening point of a material of the band, and cooling the band to room temperature, such that the band sets into the shape. Other embodiments include an apparatus comprising a pegboard with a plurality of holes, and a plurality of pegs configured to be inserted into corresponding holes from the plurality of holes, wherein the corresponding holes are located at vertices of a shape, and stretching the band around the pegs into the shape. Another embodiment includes attaching the band to a metal wire and bending the metal wire into the shape. | 03-22-2012 |
