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| Number | Title | Issue Date |
| 8182737 | Formed film, methods and apparatus for manufacturing same, and articles comprising same Formed film, apparatus and methods for manufacturing formed film, and articles of manufacture are disclosed. Methods include controlled introduction of melt foldovers through modifying the surface area of a polymer melt curtain. Apparatus for same is also shown as a... | 05/22/2012 |
| 8147745 | Process for producing fiber and method for producing catalyst layer To provide a process whereby an ultrafine fiber of a fluorinated ion exchange resin can be produced easily at low cost, and a method whereby a catalyst layer having a high gas diffusion property can be produced easily at low cost. A process for producing a fi... | 04/03/2012 |
| 8017066 | Method and apparatus for forming melt spun nonwoven webs A method and apparatus for forming nonwoven melt spun webs by spinning a curtain of filaments into a pressurized chamber where they are contacted with pressurized quenching fluid, then using the fluid to draw the filaments through a slot at the bottom of the chamber... | 09/13/2011 |
| 7981357 | Method of making a spunbond A spunbond web is made by extruding a multiplicity of hot thermoplastic filaments, passing the filaments along an upstream stretch of a path, cooling and stretching the filaments as they move along the upstream stretch of the path, and depositing the cooled and stre... | 07/19/2011 |
| 7939010 | Method for forming fibers An improved method for creating fibers from a material dissolved in a solvent. In one embodiment, the method includes the steps of feeding a fiber making material dissolved in a solvent through a die including at least two rows of nozzles to form fiber strands. An a... | 05/10/2011 |
| 7901614 | Methods and apparatus for meltblowing of polymeric material utilizing fluid flow from an auxiliary manifold Methods and apparatus for meltblowing utilize an auxiliary manifold to dispense a fluid between an orifice of a die that is expelling polymeric fibers and an exit of a duct that is dispensing a secondary flow of gas onto the fibers. The fluid dispensed from the auxi... | 03/08/2011 |
| 7850899 | Method of making spun-bond web from multicomponent filaments A web is made by first extruding multicomponent filaments from a spinneret and then passing the extruded filaments through a process air shaft. Cold air is directed against the filaments in the process air shaft to cool and aerodynamically stretch the filaments whil... | 12/14/2010 |
| 7793357 | Method of producing ultra thin chitosan fibers and non-woven fabrics This invention provides a method of producing chitosan non-woven fabrics and an apparatus thereof. At first, a chitosan acidic solution is extruded to form a chitosan fibrous stream. Then, a solidifying agent is ejected to form a solidifying agent stream. The solidi... | 09/07/2010 |
| 7780904 | Method and apparatus for manufacturing nonwoven fabric The invention provides a method for manufacturing spun-bonded nonwoven fabrics that can reduce the diameter of a filament without decreasing productivity and can stably produce nonwoven fabrics, comprising: quenching a multiple number of continuous melt-spun filamen... | 08/24/2010 |
| 7780903 | Method of making fibers and nonwovens with improved properties The present invention can provide a distinctive method and process for making polymer fibers (62) and nonwoven fabric webs (60). The method can include providing a fiber material that exhibits a low crystallization rate. In a particular aspect, the fib... | 08/24/2010 |
| 7771648 | One-dimensional continuous molded element A molded fibrous structure comprising a continuous molded element. The continuous molded element may be one-dimensional. A method for making a molded fibrous structure comprising a continuous molded element. A substrate for use as a wipe made from a molded fibrous s... | 08/10/2010 |
| 7687012 | Method and apparatus to shape a composite structure without contact A method and apparatus including means for delivery of at least one high speed composite stream of polymer fibers and secondary material. The method and apparatus also includes a movable collection device which intersects in the composite stream of polymer fibers an... | 03/30/2010 |
| 7682554 | Method and apparatus to mechanically shape a composite structure An apparatus for forming a shaped fibrous nonwoven structure including a delivery system adapted to provide a high speed composite stream comprising thermoplastic polymer fibers and a secondary material. The apparatus also includes a movable collection device having... | 03/23/2010 |
| 7674425 | Variable coalescer A coalescer has variable characteristics including variable diameter of individual fibers along their length such that an individual fiber has differing diameters at different points along its length, and including variable porosity. ... | 03/09/2010 |
| 7666343 | Process and apparatus for producing sub-micron fibers, and nonwovens and articles containing same A process and apparatus for producing sub-micron fibers, and more specifically a process and apparatus for effecting formation of sub-micron fibers by fibrillation of polymer films, and nonwoven materials and articles incorporating them. ... | 02/23/2010 |
| 7611660 | Apparatus and method for cooling material during continuous vacuum forming The present invention relates to an apparatus and method for cooling material during continuous vacuum forming. The apparatus includes one or more cooling regions positioned adjacent one or more vacuum regions. A rotatable support belt including perforations therein... | 11/03/2009 |
| 7585454 | Process of and apparatus for making an insulation product A method of producing a non-lofted fiber veil of an orientable polymer for the production of insulation, e.g. thermal, for blown-in applications, having X, Y and Z vector directions of the fibers comprising, melt blowing the polymer to form molten fibers, having mol... | 09/08/2009 |
| 7504062 | Method and device for producing a spunbonded nonwoven fabric A method and apparatus for the production of a spunbonded nonwoven fabric, by spinning a linear filament sheet of filaments arranged parallel next to one another, in the form of a curtain, from a plurality of spinning capillaries, with aerodynamic take-off and stret... | 03/17/2009 |
| 7470389 | Method for forming spread nonwoven webs A new fiber-forming method, and related apparatus, and webs prepared by the new method and apparatus are taught. In the new method a) a stream of filaments is extruded from a die of known width and thickness; b) the stream of extruded filaments is directed through a... | 12/30/2008 |
| 7459121 | Method for continuous fabrication of carbon nanotube networks or membrane materials Methods and devices are provided for the continuous production of a network of nanotubes or other nanoscale fibers. The method includes making a suspension of nanoscale fibers dispersed in a liquid medium, optionally with surfactant and/or sonication, and filtering ... | 12/02/2008 |
| 7384588 | Process for making a flexible structure comprising starch filaments A process for making a flexible structure that includes at least a first region and a second region, each of the first and second regions having at least one common intensive property that differs in value. ... | 06/10/2008 |
| 7365109 | Pigment preparation in granulate form The invention relates to pigment preparations in granulate form, containing one or more resins, one or more effect pigments and optionally, additives. The granulates are characterized in that they contain 3 to 10 wt. % water or a, solvent or solvent mixture with a v... | 04/29/2008 |
| 7357888 | Method of producing headliners, door panels and interior trim parts A method of making an article includes the steps of feeding fiber yarn, bundle or roving into a chopping device, chopping the fiber yarn, bundle or roving into fiber segments, texturizing the fiber segments, simultaneously introducing the fiber segments and a binder... | 04/15/2008 |
| 7351052 | Apparatus for producing nanofiber utilizing electospinning and nozzle pack for the apparatus The apparatus for producing a nanofiber includes a supply unit (110) for supplying melted polymer for fiber material, a spinning unit (122) having several radiation nozzles (122) to which first voltage having a polar is applied to discharge the ... | 04/01/2008 |
| 7332035 | Multiple orifice applicator with improved sealing A multiple orifice applicator system for dispensing a plurality of rows of fluid material onto a work piece is disclosed. A source of fluid material is in fluid communication with the multiple orifice applicator. The multiple orifice applicator is mounted to a robot... | 02/19/2008 |
| 7322814 | Film or sheet forming apparatus To form a film or sheet relatively thin and needing a high degree of precision in thickness, such as for an optical use, while suppressing temperature fluctuations at one side opposite to the other side in contact with an outer peripheral surface of a roll (11 | 01/29/2008 |
| 7320581 | Stabilized filament drawing device for a meltspinning apparatus A stabilized filament drawing device for a meltspinning apparatus. The stabilized filament drawing device applies a high-velocity flow of air to attenuate the filaments, which are discharged from a device outlet in a discharge direction. The filament drawing device ... | 01/22/2008 |
| 7314557 | Method and device for forming mineral wool A device for internal centrifugation of mineral fibers including a centrifuge equipped with a peripheral band perforated with orifices distributed in a plurality of annular zones arranged on top of each other, assuming that the centrifuge is in centrifugation positi... | 01/01/2008 |
| 7309522 | Fibers made from block copolymer The present invention relates to compositions such as fibers, elastic yarns, wovens, nonwovens, knitted fabrics, fine nets, and articles produced at least in part from a styrenic block copolymer comprising at least two blocks produced from vinyl aromatic monomers an... | 12/18/2007 |
| 7281605 | Mufflers with enhanced acoustic performance at low and moderate frequencies The invention relates to an exhaust silencer or muffler for an internal combustion engine, in particular a silencer with the damping characteristics of a resonator with the absorptive characteristics of a dissipative silencer. The silencer of the present invention p... | 10/16/2007 |
| 7276201 | Process for making non-thermoplastic starch fibers A process for making non-thermoplastic starch fibers comprises the steps of: (a) providing a non-thermoplastic starch composition comprising from about 50% to about 75% by weight of modified starch and from about 25% to about 50% of water and having a shear viscosit... | 10/02/2007 |
| 7255292 | Module and nozzle for dispensing controlled patterns of liquid material A liquid dispensing module and nozzle or die tip for discharging at least one liquid filament. The nozzle includes a wedge-shaped member having a pair of side surfaces converging to an apex. A liquid discharge passage extends along an axis through the wedge-shaped m... | 08/14/2007 |
| 7252868 | Reinforced fibrous insulation product and method of reinforcing same An insulation product, and method of making the same, is provided comprising a mat containing randomly oriented fibers bonded by a binder, the mat having first and second major surfaces and a pair of side portions, and at least one flexible reinforcing layer bonded ... | 08/07/2007 |
| 7226880 | Breathable, extensible films made with two-component single resins A film formed from a two-component single resin including two components, not blended or co-polymerized, but inter-polymerized. The two components may have different densities and/or different melt indexes, with the resulting resin having properties of a blend of th... | 06/05/2007 |
| 7209616 | Method for producing parallel arrays of fibers A method to fabricate solid linear fiber arrays, multi-hole arrays and inverse multi-hole arrays (i.e. space-separated arrays). These arrays may be used for example as capillary arrays, photonic crystal fiber, tissues engineering scaffolds and templates, imaging gui... | 04/24/2007 |
| 7204252 | Surface energy assisted fluid transport system A system, device or method uses surface energy to assist in fluid transport or separation. One example includes removing mucus from a subject's lungs during mechanical ventilation of the subject using a tracheal tube. At least one wicking fluid pickup port is locate... | 04/17/2007 |
| 7193020 | Film and laminate of the same A film comprising a resin alloy of a liquid-crystalline polyester, a polyimide and an optional inorganic filler is provided. The film is excellent in heat resistance and dimensional stability. ... | 03/20/2007 |
| 7192550 | Method and apparatus for spinning a web of mixed fibers, and products produced therefrom A device and method for spinning polymer fibers utilizes one or more independent sources of polymer materials, pumps for feeding polymer material from each of the sources, and a series of distribution plates with surface grooves, through holes and/or slots together ... | 03/20/2007 |
| 7186317 | Method for producing soft bulky tissue A process for producing tissue webs is disclosed. The process includes the step of partially dewatering a tissue web and then subjecting the web to multiple deflections against fabrics prior to drying the tissue web. For instance, in one embodiment, the tissue web i... | 03/06/2007 |
| 7179412 | Method and apparatus for producing polymer fibers and fabrics including multiple polymer components in a closed system A closed fiber spinning system includes a spin beam assembly including a plurality of polymer distribution manifolds to independently deliver different polymer component fluid streams to a spin pack and independently maintain those fluid streams at different tempera... | 02/20/2007 |
