Cross-sectional Configuration Of Strand Or Fiber Material Is Other Than Circular Patents (Class 442/337)
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Patent number: 11884029Abstract: The present invention relates to a method of manufacturing a wind turbine blade using a two-step curing process, wherein the second curing is performed in the presence of a resin flow medium (76) comprising a curing inhibitor.Type: GrantFiled: February 7, 2020Date of Patent: January 30, 2024Assignee: LM WIND POWER A/SInventors: Lars Nielsen, Klavs Jespersen
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Patent number: 11668023Abstract: The disclosed subject matter relates to a superomniphobic fiber including a core having a surface and at least one channel and a plurality of nanoparticles disposed in the material core at least partially protruding from the surface of the material core.Type: GrantFiled: April 15, 2022Date of Patent: June 6, 2023Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Quoc T Truong
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Patent number: 11250732Abstract: The invention discloses a screen sticker comprising a backside coated release paper and a screen printed label, wherein the screen printed label comprises a removable glue layer, a filler layer, a mesh layer and a frosted glue layer. A method for making the screen sticker comprises the steps of: spreading and flattening the backside coated release paper on a work table; printing the desired pattern on the backside coated release paper; laying the mesh layer on the filler layer and then printing the filler layer on the removable glue layer with the pattern; printing the frosted glue layer on the mesh layer; and cutting the resulting screen sticker. The screen sticker of the invention can be repeatedly cleaned for use.Type: GrantFiled: February 1, 2019Date of Patent: February 15, 2022Inventor: Gang Chen
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Patent number: 8956986Abstract: A binding fiber having, as at least one first thermoplastic component, a copolyamide which has a relative viscosity of at least 1.50 (measured at 0.5% in m-cresol at 25° C.), a MVR of maximum 20 cm3/10 min at 190° C. and 2.16 kg load, a hydrophobicity of less than 7.2, a melting temperature lower than 105° C. in the water saturated condition and a higher melting temperature in the dry condition. The binding fiber can, on the one hand, be activated with hot steam at approximately ambient pressure during the manufacture of flat materials containing natural fibers, such as paper, cardboard, wood fiber boards, or fiber mats. The finished flat material can, on the other hand, be subjected to higher temperatures, and the copolyamide develops good bonding with respect to the cellulose fibers normally used in the indicated flat materials.Type: GrantFiled: December 17, 2010Date of Patent: February 17, 2015Assignee: EMS-Patent AGInventors: Klaus Bender, Gunther Schäch, Eberhard Kinkelin
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Publication number: 20150044926Abstract: The invention concerns a hygiene product comprising at least one layer of a nonwoven wherein the nonwoven layer comprises man-made cellulosic fibers wherein the layer or the layers has or have a rewet value of equal to or less than 30% and a liquid strike through time of equal to or less than 6 seconds for the use in disposable hygiene products, such as diapers, feminine pads and incontinence products or in wet wipes like toilet wipes, facial wipes, cosmetic wipes, baby wipes and sanitary wipes for cleaning and disinfection.Type: ApplicationFiled: February 22, 2013Publication date: February 12, 2015Inventors: Shayda Rahbaran, Bianca Schachtner
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Publication number: 20150017381Abstract: The apparel is constructed from various combinations of layers of materials with moisture transfer properties. A first liner of moisture transfer fabrics abuts a second layer of structural material such as open-cell foam. The second layer can abut a breathable membrane and/or an insulating material. Finally, carefully selected outer fabric completes the combination to provide apparel with improved performance characteristics. The outer fabrics are treated in various ways to enhance performance.Type: ApplicationFiled: May 13, 2014Publication date: January 15, 2015Applicant: SOLID WATER HOLDINGSInventor: Baychar
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Publication number: 20140308870Abstract: The invention relates to a regenerated cellulose fiber in the form of a solid viscose flat fiber having the following properties: The fiber consists of cellulose by more than 98%. The ratio of width B to thickness D of the fiber is 10:1 or higher. The fiber surface is essentially smooth. The fiber is essentially transparent. The fiber according to the invention is particularly suitable for the production of paper.Type: ApplicationFiled: November 12, 2012Publication date: October 16, 2014Applicant: KELHEIM FIBRES GMBHInventors: Haio Harms, Ingo Bernt, Walter Roggenstein
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Patent number: 8828892Abstract: The invention pertains to a drywall tape having a nonwoven fabric and a reinforcing scrim, wherein the nonwoven fabric has chopped glass fibers laid flat in the nonwoven fabric, the fibers being substantially straight, random laid and bonded to one another to resist forces exerted in random directions, and the reinforcement scrim has elongated reinforcing strands of low profile thickness joined against a side of the nonwoven fabric, such that the scrim and the nonwoven fabric reinforce each other, and reinforce a joint compound in which the drywall tape is imbedded.Type: GrantFiled: January 18, 2007Date of Patent: September 9, 2014Assignee: Saint-Gobain ADFORS Canada, Ltd.Inventors: Jeffrey J. Dong, D. Geraint Roberts, Garry William Morris, Glenn Stevens
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Publication number: 20140242309Abstract: A non-woven mono-component, mono-constituent poly lactic acid (PLA) web is disclosed. The web material is useful for production of tea bags and other infusion beverages. The nonwoven network of PLA fibers in mono-component, mono-constituent configuration provides infusion properties, strength and weight properties that surpass current beverage bags and pouches because of its unique composition and structure.Type: ApplicationFiled: January 2, 2014Publication date: August 28, 2014Inventors: Stephen W. Foss, Jean-Marie Turra
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Publication number: 20140120322Abstract: A non-woven electret fibrous web for electrostatic adsorption and odor elimination and the preparation process thereof. In certain exemplary embodiments, the non-woven electret fibrous web includes a multiplicity of electret fibers, at least one of a plurality of photo-catalytic fibers or a plurality of multi-component fibers; and optionally, at least one of a plurality of chemically-active particulates, a plurality of carbon-based fibers, or a plurality of mono-component thermoplastic fibers. In other exemplary embodiments, carding and cross-lapping or air-laying processes are disclosed for making nonwoven fibrous webs including electret fibers and one or more of photocatalytic fibers, chemically-active particulates, multi-component fibers, mono-component thermoplastic fibers, or carbon-based fibers.Type: ApplicationFiled: June 27, 2012Publication date: May 1, 2014Applicant: 3M Innovative Properties CompanyInventors: Xiaoshuan Fu, Rui Chen, Qiang Xu, Jean Le normand, Hendrik Both, Tien T. Wu, Andrew R. Fox
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Publication number: 20140094078Abstract: The present invention provides a composite fiber having a high surface area and flexibility and a method for manufacturing the same, and a substrate containing the composite fiber and a method for manufacturing the same. The composite fiber contains a first component and a second component, and has a maximum diameter and a circumference. The first component has a central portion and a plurality of extension portions. A maximum length of the central portion is less than three quarters of the maximum diameter. The first component is in an amount of 50 wt % to 95 wt %, based on the total weight of the composite fiber. The second component has a plurality of outer portions disposed between two extension portions, and the second component is in an amount of 5 wt % to 50 wt %, based on the total weight of the composite fiber.Type: ApplicationFiled: September 26, 2013Publication date: April 3, 2014Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.Inventors: CHUNG-CHIH FENG, CHIH-YI LIN, KAO-LUNG YANG
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Publication number: 20130273300Abstract: The apparel is constructed from various combinations of layers of materials with moisture transfer properties. A first liner of moisture transfer fabrics abuts a second layer of structural material such as open-cell foam. The second layer can abut a breathable membrane and/or an insulating material. Finally, carefully selected outer fabric completes the combination to provide apparel with improved performance characteristics. The outer fabrics are treated in various ways to enhance performance.Type: ApplicationFiled: February 14, 2013Publication date: October 17, 2013Applicant: SOLID WATER HOLDINGSInventor: BAYCHAR
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Publication number: 20130228510Abstract: A catheter anchoring system, apparatus and method for securing a catheter to a patient's skin, having two flexible side members and a cross-member therebetween to which a retaining assembly is mounted. The retaining assembly may hold a catheter hub at an angle for patient comfort. Gripping tabs secure to each retaining assembly side are gripped while advancing a cannula guide needle into the patient's vein and while attaching the catheter hub to a medical accessory, such as intravenous (I.V.) tubing, for increased patient comfort, reduction of the risk in contamination and patient infection, and to more easily and quickly start an I.V.Type: ApplicationFiled: October 6, 2011Publication date: September 5, 2013Applicant: FIBERWEB, INC.Inventor: John F. Baker, JR.
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Patent number: 8513147Abstract: A water non-dispersible polymer microfiber is provided comprising at least one water non-dispersible polymer wherein the water non-dispersible polymer microfiber has an equivalent diameter of less than 5 microns and length of less than 25 millimeters. A process for producing water non-dispersible polymer microfibers is also provided, the process comprising: a) cutting a multicomponent fiber into cut multicomponent fibers; b) contacting a fiber-containing feedstock with water to produce a fiber mix slurry; wherein the fiber-containing feedstock comprises cut multicomponent fibers; c) heating the fiber mix slurry to produce a heated fiber mix slurry; d) optionally, mixing the fiber mix slurry in a shearing zone; e) removing at least a portion of the sulfopolyester from the multicomponent fiber to produce a slurry mixture comprising a sulfopolyester dispersion and water non-dispersible polymer microfibers; and f) separating the water non-dispersible polymer microfibers from the slurry mixture.Type: GrantFiled: August 27, 2008Date of Patent: August 20, 2013Assignee: Eastman Chemical CompanyInventors: Rakesh Kumar Gupta, Daniel William Klosiewicz, Melvin Glenn Mitchell
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Patent number: 8513146Abstract: The invention provides a polyester bicomponent staple fiber comprising poly(trimethylene terephthalate) and at least one polymer selected from the group consisting of poly(ethylene terephthalate), poly(trimethylene terephthalate), and poly(tetramethylene terephthalate) or a combination of such members, said bicomponent staple fiber having: a) a scalloped oval cross-section shape having an aspect ratio a:b of about 2:1 to about 5:1 wherein ‘a’ is a fiber cross-section major axis length and ‘b’ is a fiber cross-section minor axis length; b) a polymer interface substantially perpendicular to the major axis; c) a cross-section configuration selected from the group consisting of side-by-side and eccentric sheath-core; d) a plurality of longitudinal grooves; and e) a groove ratio of about 1.05:1 to about 1.9:1. Additionally, the invention provides a spun yarn comprising cotton and the polyester bicomponent staple fiber of the invention, as well as fabrics and garments comprising the spun yarn of the invention.Type: GrantFiled: September 29, 2005Date of Patent: August 20, 2013Assignee: Invista North America S.ár.l.Inventors: Geoffrey David Hietpas, David A. Price, Sr., Steven Wayne Smith
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Patent number: 8501644Abstract: Disclosed are fibrous activated materials that can remove and/or deactivate potentially dangerous airborne agents from a gas or air stream. Disclosed materials are multi-layer materials that include a fibrous nonwoven interceptor layer and an active layer immediately adjacent the interceptor layer. The interceptor layer is a fibrous membrane of very low basis weight and defines a relatively low porosity, and the active layer describes geometries, chemistries, etc. that can entrap and/or decontaminate compounds contained in an airstream passing through the material. Disclosed materials can be utilized in forming protective garments, face masks, and the like.Type: GrantFiled: June 2, 2009Date of Patent: August 6, 2013Inventors: Christine W. Cole, Philip J. Brown, Kathryn Stevens, Deborah K. Lickfield
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Patent number: 8500372Abstract: A turf reinforcement mat comprises at least one polymer net layer; a non-woven mat comprising a plurality of multi-dimensional polymer fibers; and, a polymer yarn, stitching the net layer to the non-woven mat. A method for erosion control and revegetation facilitation comprises providing a turf reinforcement mat comprising at least one polymer net layer; a non-woven mat comprising a plurality of multi-dimensional polymer fibers; and, a polymer yarn, stitching the net layer to the non-woven mat; laying the turf reinforcement mat on a section of ground to be reinforced; securing the turf reinforcement mat to the ground; distributing soil and seed onto the turf reinforcement mat such that the section of ground is quickly revegetated and thereby protected from further erosion.Type: GrantFiled: September 13, 2010Date of Patent: August 6, 2013Assignee: Propex Operating Company LLCInventors: Sidney M. Weiser, Patti Weaver, Warren Sickler
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Publication number: 20130189892Abstract: The apparatus (1) is used for producing melt-blown fibres (MF). It comprises a die head (104) with several spinning orifices, means (100, 101,102, 103) for extruding at least one melted polymeric material through the spinning orifices of the die head (104) in the form of meltblown filaments (f), and means (104a,104b) for blowing a hot primary gas flow (F1) towards the outlet of the die head (104) in order to draw and attenuate the polymeric filaments (f) at the outlet of the die head, and a drawing unit (105) that is positioned below the die head (104), and that is adapted to create an additional gas flow (F3) that is oriented downstream to further draw and attenuate the meltblown filaments (f).Type: ApplicationFiled: August 10, 2011Publication date: July 25, 2013Applicant: BOMA ENGINEERING SRLInventor: Galliano Boscolo
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Publication number: 20130133980Abstract: This disclosure relates to articles that comprise polymeric winged fibers. The winged fibers have a high surface area because of their structure, which includes a core surrounded by a plurality of lobes. Channels of one micron or less in width are formed between adjacent lobes to form paths for the capture and/or transport of gases, liquids or particles. The winged fibers are assembled in woven or non-woven fabrics for use in wipes, absorbent pads, composite structures, apparel, outdoor wear, bedding, filtration systems, purification/separation systems, thermal and acoustic insulation, cell scaffolding, and battery membranes.Type: ApplicationFiled: January 22, 2013Publication date: May 30, 2013Applicant: Allasso Industries, Inc.Inventor: Allasso Industries, Inc.
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Patent number: 8410006Abstract: The present invention is directed to a high surface area fibers and an improved filter composite media made from the same. More specifically, the composite media preferably comprises a winged-fiber layer having high surface area fibers for increased absorption and strength and a meltblown layer for additional filtration. In one preferred embodiment the high surface area fibers have a middle region with a plurality of projections that define a plurality of channels, which increases the surface area of the fiber. In one preferred embodiment, the high surface area fiber has a specific surface area of about 140,000 cm2/g or higher and a denier of about 1.0 to about 2.0. The high surface area fiber of the present invention is made using a bicomponent extrusion process using a thermoplastic polymer and a dissolvable sheath.Type: GrantFiled: June 12, 2007Date of Patent: April 2, 2013Inventors: Walter Chappas, Behnam Pourdeyhimi
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Patent number: 8389425Abstract: Herein is disclosed a bonded mat comprising a coil web that is bonded to a backing. The coil web comprises continuous coiled fibers, at least some of which contain expanded polymeric microspheres. The backing comprises a porous material. Methods of making the coil web and the backing, and methods of bonding the coil web and the backing, are disclosed.Type: GrantFiled: January 29, 2010Date of Patent: March 5, 2013Assignee: 3M Innovative Properties CompanyInventor: Nelson R. Costa
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Publication number: 20120231690Abstract: Multicomponent fibers and fabrics made therefrom are provided. The fibers include a multilobal sheath fiber component surrounding a core fiber component, wherein the fibers can be fibrillated to provide a plurality of intertwined microdenier fiber components. Methods of providing such fabrics are also disclosed.Type: ApplicationFiled: March 19, 2012Publication date: September 13, 2012Inventors: Behnam Pourdeyhimi, Stephen R. Sharp
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Publication number: 20120178331Abstract: Ribbon fibers, nonwoven articles derived therefrom, and their process of manufacture are provided. The ribbon fibers are derived from multicomponent fibers having a striped configuration and have a length of less than 25 millimeters, a minimum transverse dimension of less than 5 microns, and a transverse aspect ratio of at least 2:1. The ribbon fibers are formed from a water non-dispersible synthetic polymer. The nonwoven articles containing the ribbon fibers may be used for a wide array of products.Type: ApplicationFiled: October 14, 2011Publication date: July 12, 2012Applicant: EASTMAN CHEMICAL COMPANYInventors: Rakesh Kumar Gupta, Melvin Glenn Mitchell, Daniel William Klosiewicz, Mark Dwight Clark, Chris Delbert Anderson, Marvin Lynn Mitchell, Paula Hines Mitchell, Amber Layne Wolfe
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Patent number: 8178199Abstract: A water non-dispersible polymer microfiber is provided comprising at least one water non-dispersible polymer wherein the water non-dispersible polymer microfiber has an equivalent diameter of less than 5 microns and length of less than 25 millimeters. A process for producing water non-dispersible polymer microfibers is also provided, the process comprising: a) cutting a multicomponent fiber into cut multicomponent fibers; b) contacting a fiber-containing feedstock with water to produce a fiber mix slurry; wherein the fiber-containing feedstock comprises cut multicomponent fibers; c) heating the fiber mix slurry to produce a heated fiber mix slurry; d) optionally, mixing the fiber mix slurry in a shearing zone; e) removing at least a portion of the sulfopolyester from the multicomponent fiber to produce a slurry mixture comprising a sulfopolyester dispersion and water non-dispersible polymer microfibers; and f) separating the water non-dispersible polymer microfibers from the slurry mixture.Type: GrantFiled: March 22, 2011Date of Patent: May 15, 2012Assignee: Eastman Chemical CompanyInventors: Rakesh Kumar Gupta, Melvin Glenn Mitchell, Daniel William Klosiewicz
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Patent number: 8093161Abstract: The invention relates to nonwoven fabrics containing polymeric multiple component fibers which include a core component and a plurality of wing components attached to the core. The polymeric core component has an elasticity that is greater than the elasticity of at least one of the wing polymeric components. The fibers assume a spiral twist configuration in which the plurality of wings substantially spiral about the core. In a preferred embodiment, the nonwoven fabrics have elastic stretch and recovery properties with a textile-like hand.Type: GrantFiled: September 27, 2002Date of Patent: January 10, 2012Assignee: INVISTA North America S.àr.l.Inventors: Vishal Bansal, Michael C. Davis, Thomas Michael Ford, Debora Flanagan Massouda, Edgar N. Rudisill, Harry Vaughn Samuelson, Hyunkook Shin, Gregory Paul Weeks
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Patent number: 8088696Abstract: This invention relates to nonwoven fabrics with advantageous characteristics and the method to produce these fabrics. Advantageously, the fabrics of the subject invention have increased thickness (loft) compared to conventional nonwoven fabrics and have high air permeability and open space while maintaining softness and strength at the same basis weight.Type: GrantFiled: October 21, 2002Date of Patent: January 3, 2012Assignee: The Procter & Gamble CompanyInventors: Albert E. Ortega, R. Wayne Thomley, Jan Mackey
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Publication number: 20110250812Abstract: The subject matter disclosed herein relates generally to fabrics composed of micro-denier fibers wherein said fibers are formed as bicomponent fibrillated fiber. The energy is sufficient for fibrillating as well as entangling (bonding) the fibers. These fabrics can be woven or knitted and made from made from bicomponent islands in the sea fibers and filaments or can be nonwovens and formed by either spunbonding or through the use of bicomponent staple fibers formed into a web by any one of several means and bonded similarly to those used for the spunbonded filament webs.Type: ApplicationFiled: June 24, 2011Publication date: October 13, 2011Inventors: Behnam Pourdeyhimi, Nataliya V. Fedorova, Stephen R. Sharp
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Patent number: 8021996Abstract: The present invention provides a nonwoven web prepared from multicomponent fibers which are partially split. The partially split multicomponent fibers have at least one component of the multicomponent fiber separated from the remaining components of the multicomponent fiber along a first section of the longitudinal length of the multicomponent fibers. Along a second section of the longitudinal length of the multicomponent fibers the components of the multicomponent fibers remain together as a unitary fiber structure. In addition, part of the second section of the multicomponent fibers is bonded to part of a second section of an adjacent multicomponent fiber.Type: GrantFiled: December 23, 2008Date of Patent: September 20, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Susan Kathleen Walser, Leon Eugene Chambers, Jr., Reginald Smith, Nancy J. Zimmerman, Kiran K. Reddy, Nina Frazier, David Myers
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Patent number: 7994079Abstract: The present invention discloses a disposable meltblown scrubbing product for use in household cleaning or personal care applications and an abrasive aggregate fiber which may be utilized in the scrubbing product. The meltblown web is formed primarily of polymeric fibers in a disordered or random distribution as is typical of fibers deposited in meltblown processes so as to form an open, porous structure. The aggregate fibers of the present invention generally are formed of two or more separate abrasive polymer fibers or strands which are adhered together along at least about 5 mm of the fiber length. The abrasive fibers of the meltblown web are generally greater than about 15 microns in diameter.Type: GrantFiled: December 17, 2002Date of Patent: August 9, 2011Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Fung-Jou Chen, Jeffrey D. Lindsay, Julie Bednarz, Peiguang Zhou
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Patent number: 7994081Abstract: A nonwoven fabric is provided having a plurality of semi-crystalline filaments that are thermally bonded to each other and are formed of the same polymer and exhibit substantially the same melting temperature. The fabric is produced by melt spinning an amorphous crystallizable polymer to form two components having different levels of crystallinity. During spinning, a first component of the polymer is exposed to conditions that result in stress-induced crystallization such that the first polymer component is in a semi-crystalline state and serves as the matrix or strength component of the fabric. The second polymer component is not subjected to stress induced crystallization and thus remains in a substantially amorphous state which bonds well at relatively low temperatures. In a bonding step, the fabric is heated to soften and fuse the binder component. Under these conditions, the binder component undergoes thermal crystallization so that in the final product, both polymer components are semi-crystalline.Type: GrantFiled: August 14, 2008Date of Patent: August 9, 2011Assignee: Fiberweb, Inc.Inventors: Gregory W. Farell, Edward Keith Willis
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Patent number: 7985473Abstract: Provided is a planar paper for an adhesive tape, and an adhesive tape utilizing such planar paper as a backing, which has an elongation sufficient to allow the adhesive tape to be favorably adhered to an adherend surface without being accompanied by any lift and separation, but with consistently conforming to the curved surfaces and/or the rough surfaces; which is capable of providing a clear painting line left in a portion of a painted layer required in automobiles; which is capable of being easily cut by hand without requiring any tool as a blade; and which is also excellent in handleability. The planar paper comprises a polyvinyl alcohol-series fiber having a fiber breaking temperature in water of 92 to 125° C., a tenacity of 0.5 to 3.5 cN/dtex at 10% elongation, and a breaking elongation of 17 to 60%.Type: GrantFiled: December 3, 2009Date of Patent: July 26, 2011Assignee: Kuraray Co., Ltd.Inventors: Tomohiro Hayakawa, Hideo Hayashi, Masatoshi Takenoiri, Toshimitsu Harada
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Patent number: 7923143Abstract: A battery separator comprising a nonwoven fabric, wherein the nonwoven fabric contains (1) superfine fibers having a fiber diameter of 3 ?m or less, (2) noncircular fine fibers having a noncircular cross-sectional shape and having a fiber diameter of 3 to 5 ?m (excluding 3 ?m), the fiber diameter meaning a diameter of a circle having an area the same as that of the noncircular cross-sectional shape, and (3) polypropylene based high-strength composite fibers containing a fusible component on the surface thereof and having a tensile strength of 4.5 cN/dtex or more, and the fusible component contained in the polypropylene based high-strength composite fibers is fused, and a battery comprising the battery separator are disclosed. A battery separator of the present invention has a high electrolyte-holding capacity and is capable of effectively preventing a short circuit, even if the separator is designed to be thinner to enhance the capacity of a battery.Type: GrantFiled: January 26, 2006Date of Patent: April 12, 2011Assignee: Japan Vilene Company, Ltd.Inventors: Masanao Tanaka, Toshiaki Takase, Yasuhiro Ito, Yoshihiko Kondo
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Patent number: 7910193Abstract: Negative Poisson's ratio (NPR) or auxetic structures, including three-dimensional auxetic structures, are disclosed and applied to various applications. One such structure comprises a pyramid-shaped unit cell having four base points A, B, C, and D defining the corners of a square lying in a horizontal plane. Four stuffers of equal length or different lengths extend from a respective one of the base points to a point E spaced apart from the plane. Four tendons of equal length or different lengths, but less than that of the stuffers, extend from a respective one of the base points to a point F between point E and the plane. In three-dimensional configurations, a plurality of unit cells are arranged as tiles in the same horizontal plane with the base points of each cell connected to the base points of adjoining cells, thereby forming a horizontal layer.Type: GrantFiled: November 10, 2008Date of Patent: March 22, 2011Assignee: MKP Structural Design Associates, Inc.Inventor: Zheng-Dong Ma
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Patent number: 7892992Abstract: Readily-fibrillable fibers of PVA polymer, having good chemical resistance, hydrophilicity, weather resistance and water resistance have a flattened cross-sectional profile and have a mean thickness D (?m) that satisfies the following formula (1): 0.4?D?5??(1) wherein D=S/L; S indicates the cross-section area (?m2) of the fibers; and L indicates the length (?m) of the major side of the cross section of the fibers. The fibers can be used for making nonwoven fabrics.Type: GrantFiled: March 10, 2004Date of Patent: February 22, 2011Assignee: Kuraray Co., Ltd.Inventors: Hideki Kamada, Tomohiro Hayakawa
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Publication number: 20100310845Abstract: The present invention is directed to a fluid permeable structured fibrous web comprising thermally stable, fibers that are thermally bonded together using heat producing a base substrate that is thermally stable. The base substrate is textured via mechanical treatment producing a structured fibrous web having an aged caliper of less than 1.5 mm, a vertical wicking height of at least 5 mm, a permeability of at least 10,000 cm2/(Pa·s) and a specific volume of at least 5 cm3/g. The structured fibrous web provides optimal fluid wicking and the fluid acquisition capabilities and is directed toward fluid management applications.Type: ApplicationFiled: June 3, 2009Publication date: December 9, 2010Inventors: Eric Bryan Bond, Carola Elke Beatrice Krippner, Ute Froehlich
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Publication number: 20100310837Abstract: The present invention is directed to a structured fibrous web comprising thermally stable, hydrophilic fibers that are thermally bonded together using heat producing a base substrate that is thermally stable. The base substrate is textured via mechanical treatment to increase its thickness and optionally modified via over bonding to improve its mechanical and fluid handling properties. The structured fibrous web provides optimal fluid wicking and fluid acquisition capabilities and is directed toward fluid management applications.Type: ApplicationFiled: June 3, 2009Publication date: December 9, 2010Inventors: Eric Bryan Bond, Carola Elke Beatrice Krippner, John Brian Strube
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Patent number: 7820560Abstract: A turf reinforcement mat (10) comprises at least one polymer net layer (11); a non-woven mat (13) comprising a plurality of multi-dimensional polymer fibers (15); and, a polymer yarn (80, 81), stitching the net layer to the non-woven mat. A method for erosion control and revegetation facilitation comprises providing a turf reinforcement mat comprising at least one polymer net layer; a non-woven mat comprising a plurality of multi-dimensional polymer fibers; and, a polymer yarn, stitching the net layer to the non-woven mat; laying the turf reinforcement mat on a section of ground to be reinforced; securing the turf reinforcement mat to the ground; distributing soil and seed onto the turf reinforcement mat such that the section of ground is quickly revegetated and thereby protected from further erosion.Type: GrantFiled: July 24, 2003Date of Patent: October 26, 2010Assignee: Propex Operating Company LLCInventors: Sidney M Weiser, Patti Weaver, Warren Sickler
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Publication number: 20100209684Abstract: A method with which a textile sheet having good mechanical properties in respect to relatively high values regarding tear propagation resistance can be produced. The textile sheets are used in areas that require relatively high tear propagation resistance. The textile sheets also have relatively high peak tensile values and/or elongation at break values. The method for the production of a tear propagation-resistant textile sheet comprises providing a starting textile sheet made of yarns, fibers or filaments formed of at least two elementary filaments and having an arrangement in cross-section like orange segments or pie slices with the segments or slices made of different polymers, and exposing the starting textile sheet to a compressing heat treatment, wherein the polymer segments are permeated and a substantially non-adhesive bond is achieved between the polymer segments. The textile sheet may comprise nonwoven materials having a specific tear propagation resistance of equal to or greater than 0.Type: ApplicationFiled: July 2, 2008Publication date: August 19, 2010Applicant: CARL FREUDENBERG KGInventors: Robert Groten, Ulrich Jahn, Georges Riboulet, Michael Hess, Ameur Abdelkader
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Publication number: 20100162590Abstract: A sole (1) for a pedestrian's shoe or a slipover device (18) for such a shoe has a base consisting of a non-woven microfibre material made of thermoplastic polyester PVC knobs or polyamide. The microfibre material is exposed in an arcuate section (5) in the front foot portion (2), in the mid-foot portion (3) and in a wheel-shaped section (6) in the heel portion (4) of the sole. An elastomer material is deposited as rounded knobs onto the microfibre material in a fore portion (7) of the front foot portion (2) and in a ring (8) and sectors (9) in the heel portion (4) of the sole (1). A PVC material is deposited, also in the form of rounded knobs, in a transverse band (10) in the front foot portion (2) and in a larger part (11) of the heel portion (4) so as to surround the ring (8). The use of the microfibre material as a means of enhancing friction on an icy surface is also disclosed.Type: ApplicationFiled: November 23, 2007Publication date: July 1, 2010Inventor: Burkhard Bönigk
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Publication number: 20100119794Abstract: The invention relates to a multi-layer composite for use in an air filter, comprising at least one upstream ply (1) and a support ply (2) that is connected to the upstream ply. The upstream ply (1) is made of a non-woven fabric and has a finer porosity than the support ply (2). The aim of the invention is to form and further develop a multi-layer composite for use in an air filter, in particular in a filter bag in such a manner that the upstream ply can be connected in a stable and economical manner to the support ply. Said invention is characterised in that the upstream ply (1) is embodied as a spun bonded non-woven, the continuous filaments (3) of which are at least partially twisted or interwoven with the support ply (2).Type: ApplicationFiled: March 13, 2008Publication date: May 13, 2010Applicant: CARL FREUDENBERG KGInventors: Heiko Manstein, Robert Groton, Anthony Hollingsworth, Ingrid Ewald
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Publication number: 20100029161Abstract: Multicomponent fiber and fabrics made therefrom are provided, wherein the multicomponent fibers may incorporate one or more elastomers or additive-containing polymers in a bicomponent core. The fiber includes a multilobal sheath fiber component surrounding the bicomponent core, wherein the components are sized such that the fiber can be fibrillated to expose the core fiber components and split the fiber into multiple microdenier fibers.Type: ApplicationFiled: August 19, 2009Publication date: February 4, 2010Inventor: Benham Pourdeyhimi
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Publication number: 20090246492Abstract: Nonwoven polymer materials and articles made therefrom. Materials of the invention include at least one nonwoven polymer web with at least one layer of at least about 50% by weight of a multi-lobal fiber. Materials and articles of the invention have improved properties, such as particle retention capacity, acoustic absorption, stiffness, crop color uniformity, and crop yield, when compared with nonwoven polymer materials and articles made with round fiber in place of all of the multi-lobal fiber.Type: ApplicationFiled: February 14, 2007Publication date: October 1, 2009Applicant: POLYMER GROUP, INC.Inventors: Nyle Bishop, Enrique Martinez, Pierre D. Grondin, Michel Delattre, Jorge Santisteban
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Patent number: 7524345Abstract: A coated abrasive article includes a substrate and a patterned set of abrasive structures. Each abrasive structure of the patterned set of abrasive structures has an engineered microfeature.Type: GrantFiled: February 22, 2005Date of Patent: April 28, 2009Assignee: Saint-Gobain Abrasives, Inc.Inventors: Damien Nevoret, Gwo Swei, Alain Zanoli
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Patent number: 7508783Abstract: A method for selecting transmission channels in a time data multiple access protocol and to a communication system using the method. Based on indications of transmission quality of each channel stored during a time window, one channel is selected that has the best current transmission quality indication position relative to those stored during the time window. This can be used to take advantage of independent variations in the quality of transmission of each channel while providing equitable access to the transmission resource.Type: GrantFiled: April 16, 2004Date of Patent: March 24, 2009Assignee: France TelecomInventor: Thomas Bonald
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Patent number: 7425364Abstract: In a spiral link fabric having a plurality of helical coils connected along a coiled perimeter to form a plurality of hinges, each hinge is formed using one of a plurality of connecting rods. The result is a spiral link fabric having a plurality of open channels between each of the plurality of hinges. At least one antistatic stuffer yarn made of polyamide impregnated with carbon is place in at least one of the plurality of open channels to dissipate any electrostatic discharge.Type: GrantFiled: July 1, 2005Date of Patent: September 16, 2008Assignee: Voith Fabric Patent GmbHInventors: William Joseph Harwood, Gilbert Ross
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Patent number: 7153793Abstract: Nonwoven fabric fabrics suitable for undergoing pleating to form filtration media are provided. The fabrics generally include at least three layers. The fibers forming the inner layer has a cross section providing greater stiffness, while the fibers forming the outer layers have a cross section providing greater durability. The resulting fabrics provide improved particulate holding and pressure drop characteristics at no sacrifice to durability.Type: GrantFiled: December 1, 2003Date of Patent: December 26, 2006Assignee: Reemay, Inc.Inventors: Edward Keith Willis, Harry Barnes, John Frank Baker, Jr.
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Patent number: 7067444Abstract: A lyocell nonwoven fabric having fibers characterized by pebbled surfaces and variable cross sections and diameters along the fibers and from fiber to fiber, is disclosed. The lyocell nonwoven fabric is produced by centrifugal spinning, melt blowing or spunbonding. The lyocell nonwoven fabric has fibers that can be made in the microdenier range with average weights as low as one denier or less. The lyocell nonwoven fabric has fibers with low gloss, a reduced tendency to fibrillate and have enhanced dye receptivity.Type: GrantFiled: March 28, 2002Date of Patent: June 27, 2006Assignee: Weyerhaeuser CompanyInventors: Mengkui Luo, Vincent A. Roscelli, Amar N. Neogi, Richard A. Jewell
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Patent number: 6989080Abstract: A nonwoven papermaker's fabric, usable in the dryer section of a paper machine, has a spiral wound machine direction (MD) base layer of raw stock which is wound around a pair of parallel rolls or cylinders until the desired length and width is achieved. The spiral wound MD layer is overlaid with a cross-machine direction (CD) layer of similar or dissimilar raw stock and mated by any of a number of means. The spiral wound MD layer can also be mated to another MD layer spiraled in the opposite direction and in one embodiment further mated to a CD layer. The fabric is preferably produced so that its neutral line is oriented toward the paper side of the fabric so that the paper sheet will stretch less than when typical dryer fabrics are used to turn the paper sheet and fabric around the dryer cylinders.Type: GrantFiled: June 19, 2003Date of Patent: January 24, 2006Assignee: Albany International Corp.Inventor: Robert A. Hansen
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Patent number: 6838401Abstract: A heat-resistant fiber paper sheet which is formed from staple fibers made from a heat-resistant organic polymer, undrawn or low ratio drawn para-aromatic polyamide staple fibers, and an organic resin binder and/or fibrids comprising a heat-resistant organic polymer as main components, wherein the amount of said staple fibers is 45 to 97 percent by weight based on the total amount of said heat-resistant fiber paper sheet; the total amount of said organic resin binder and/or said fibrids is 3 to 55 percent by weight based on the total amount of said heat-resistant fiber paper sheet; and said organic resin binder is cured, and/or said undrawn or low ratio drawn para-aromatic polyamide staple fibers and said fibrids are partially softened, deformed and/or melted to exhibit the actions of binders.Type: GrantFiled: August 4, 2000Date of Patent: January 4, 2005Assignee: Teijin LimitedInventors: Sadamitsu Murayama, Michikage Matsui, Masanori Wada, Shigeru Ishihara
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Publication number: 20040265533Abstract: An absorbent article comprising a topsheet, a backsheet, and an absorbent core disposed between the topsheet and the backsheet is disclosed. The topsheet has a first side and a second side, the first side being a body-facing side and the second side being in fluid communication with the absorbent core. The topsheet also has a first relatively hydrophobic component and a second relatively hydrophilic component, the relatively hydrophilic component extending through the relatively hydrophobic component and being disposed on both of the sides of the topsheet. The absorbent article exhibits a rewet value of less than about 94 mg, and a fluid acquisition rate of at least about 0.10 ml/sec when tested by the Gush Acquisition and Rewet Test Method.Type: ApplicationFiled: December 16, 2003Publication date: December 30, 2004Applicant: The Procter & Gamble CompanyInventors: Jody Lynn Hoying, John Lee Hammons, Susan Nicole Lloyd, Robert Haines Turner, John Joseph Curro