Containing At Least Two Chemically Different Strand Or Fiber Materials Patents (Class 442/403)
  • Patent number: 8999868
    Abstract: A non-woven product containing organic and/or mineral particles has a volume density less than 1 and has at least two layers of synthetic fibers or filaments superposed in the Z direction perpendicular to the XY plane of the product, having undergone at least one needling operation, where the non-woven product integrates particulate feedstocks of mineral and/or organic particles distributed in a monomodal or multimodal manner in the product and at least partially coated or encapsulated by binding material that can point-connect the filaments or fibers to one another. At least one population or fraction of organic and/or mineral particles, has a size such that: 3×(?{square root over (SMf)})3?v, preferably 5×(?{square root over (SMf)})3?v, where SMf corresponds to the mean cross-section of the fibers or filaments that form the layers, and v represents the mean individual volume of the organic or mineral particles.
    Type: Grant
    Filed: March 17, 2011
    Date of Patent: April 7, 2015
    Assignee: Freudenberg Politex SA (Societe Anonyme)
    Inventors: Frédéric Rosé, Georges Riboulet, Massimo Migliavacca, Jean-Marc Losser, Robert Groten
  • Patent number: 8968439
    Abstract: The composite microporour filter material comprises a base-cloth layer, an upper adhesion layer attached to a top side of the base-cloth layer, and a lower adhesion layer attached to a bottom side of the base-cloth layer. The base-cloth layer is made of either polymide yarn base-cloth, polysulfoneamide yarn base-cloth, or polytetrafluoroethylene filament base-cloth. The upper adhesion layer is made of a mixture of polysulfoneamide short-staple and polymide short-staple; the lower adhesion layer is made of a pure polysulfoneamide short-staple. The upper adhesion layer and the lower adhesion layer are attached to two sides of the base-cloth layer by entangling which is adopted by needle punching, spunlacing or a combination thereof. The present filter material is temperature-resistant and corrosion-resistant and has features of a low manufacturing cost and the high filter precision.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: March 3, 2015
    Assignee: Xiamen Savings Environmental Co., Ltd.
    Inventors: Weilong Cai, Xiangbo Luo, Zhangsheng Luo, Guoqiang Qiu, Limei Hong
  • Patent number: 8513145
    Abstract: A filler cloth includes cellulosic fibers treated with a flame retardant chemistry such that the filler cloth has a char length of less than about nine inches when tested in accordance with NFPA 701, such that thermal shrinkage of the filler cloth at 400° F. is less than about 35% in any direction, and such that the filler cloth maintains flame and heat resistant integrity when impinged with a gas flame in accordance with testing protocols set forth in Technical Bulletin 603 of the State of California Department of Consumer Affairs. The filler cloth cellulosic fibers are treated with a flame retardant chemistry such that the filler cloth has a Frazier air permeability of less than about 400 cfm and a thermal resistance rating of at least about 3 when tested according to NFPA 2112.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: August 20, 2013
    Assignee: Precision Fabrics Group, Inc.
    Inventors: Melanie Pearce Jones, James Douglas Small, Jr., John H. Walton, Alfred Frank Baldwin, Jr., Zareh Mikaelian, William Scott Kinlaw
  • Patent number: 8440582
    Abstract: A filler cloth includes cellulosic fibers treated with a flame retardant chemistry such that the filler cloth has a char length of less than about nine inches when tested in accordance with NFPA 701, such that thermal shrinkage of the filler cloth at 400° F. is less than about 35% in any direction, and such that the filler cloth maintains flame and heat resistant integrity when impinged with a gas flame in accordance with testing protocols set forth in Technical Bulletin 603 of the State of California Department of Consumer Affairs. The filler cloth cellulosic fibers are treated with a flame retardant chemistry such that the filler cloth has a Frazier air permeability of less than about 400 cfm and a thermal resistance rating of at least about 3 when tested according to NFPA 2112.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: May 14, 2013
    Assignee: Precision Fabrics Group, Inc.
    Inventors: Melanie Pearce Jones, James Douglas Small, Jr., John H. Walton, Alfred Frank Baldwin, Jr., Zareh Mikaelian, William Scott Kinlaw
  • Patent number: 8435907
    Abstract: A filler cloth includes cellulosic fibers treated with a flame retardant chemistry such that the filler cloth has a char length of less than about nine inches when tested in accordance with NFPA 701, such that thermal shrinkage of the filler cloth at 400° F. is less than about 35% in any direction, and such that the filler cloth maintains flame and heat resistant integrity when impinged with a gas flame in accordance with testing protocols set forth in Technical Bulletin 603 of the State of California Department of Consumer Affairs. The filler cloth cellulosic fibers are treated with a flame retardant chemistry such that the filler cloth has a Frazier air permeability of less than about 400 cfm and a thermal resistance rating of at least about 3 when tested according to NFPA 2112.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: May 7, 2013
    Assignee: Precision Fabrics Group, Inc.
    Inventors: Melanie Pearce Jones, James Douglas Small, Jr., John H. Walton, Alfred Frank Baldwin, Jr., Zareh Mikaelian, William Scott Kinlaw
  • Patent number: 8389427
    Abstract: A hydroentangled nonwoven material (8), includes a mixture of randomized continuous filaments (3) and natural fibers (5), wherein at least part of the staple fibers and/or the continuous filaments includes thermoplastic material. The nonwoven material is bonded in a non-random bonding pattern including a plurality of bonding sites (14) in which thermoplastic material included in the nonwoven material has been caused to at least partly soften or melt to create thermal bonds between the continuous filaments. The nonwoven material includes no other thermal bonds between the filaments than provided by the non-random bonding pattern. The nonwoven material may also contain synthetic staple fibers (6).
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: March 5, 2013
    Assignee: SCA Hygiene Products AB
    Inventors: Anders Gustafsson, Lars Fingal, Mikael Strandqvist, Kaveh Tondkar
  • Patent number: 8236712
    Abstract: A filler cloth includes cellulosic fibers treated with a flame retardant chemistry such that the filler cloth has a char length of less than about nine inches when tested in accordance with NFPA 701, such that thermal shrinkage of the filler cloth at 400° F. is less than about 35% in any direction, and such that the filler cloth maintains flame and heat resistant integrity when impinged with a gas flame in accordance with testing protocols set forth in Technical Bulletin 603 of the State of California Department of Consumer Affairs. The filler cloth cellulosic fibers are treated with a flame retardant chemistry such that the filler cloth has a Frazier air permeability of less than about 400 cfm and a thermal resistance rating of at least about 3 when tested according to NFPA 2112.
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: August 7, 2012
    Assignee: Precision Fabrics Group, Inc.
    Inventors: Melanie Pearce Jones, James Douglas Small, Jr., John H. Walton, Alfred Frank Baldwin, Jr., Zareh Mikaelian
  • Patent number: 8148279
    Abstract: The invention provides durable nonwoven fabrics comprising staple fibers. Methods of preparing durable nonwoven fabrics based on staple fibers are also provided. The methods can include the steps of at least one of needle punching and hydroentangling. The durable nonwoven fabric can be subjected to additional bonding techniques, such as resin bonding and/or thermal bonding. The durable nonwoven fabrics of the invention provide improved durability over conventional nonwoven fabrics. Further advantages of the inventive nonwoven fabrics include maintaining the smooth surface qualities of the fabric and desirable feel of the fabric even with the enhanced durability. The inventive nonwoven fabrics can also be subjected to additional post-processing techniques that conventional nonwoven fabrics would otherwise be unable to withstand. Further, inks and/or dyes can more readily become adhered to the smooth nature of the surfaces of the inventive durable nonwoven fabrics.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: April 3, 2012
    Assignee: North Carolina State University
    Inventors: Nagendra Anantharamaiah, Behnam Pourdeyhimi
  • Patent number: 8071491
    Abstract: A laminated composite material is provided. The material has first and second layers. The first layer is composed of a fibrous material and a binder, and the second layer is composed of a woven material and a binder.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: December 6, 2011
    Assignee: FledForm Technologies, LLC
    Inventors: Garry E. Balthes, Darrel R. Eggers
  • Patent number: 8030231
    Abstract: The present invention relates to an absorbent personal care and/or cleansing product for cosmetic and/or dermatological applications comprising at least one non-woven absorbent sheet comprising 10 to 100 wt. % lyocell fibers and 0 to 90 wt. % of at least one other natural, man-made natural and/or synthetic fiber, wherein the lyocell fiber has a fiber titer in the range from 0.5 to 3.5 dtex, wherein the absorbent sheet has a basis weight in the range from 20 to 500 g/m2, and a tensile strength in the range from 5 to 1000 N/5 cm in machine direction and in cross direction.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: October 4, 2011
    Assignee: Johnson & Johnson GmbH
    Inventors: Rainer Lange, Pietro Rosato, Astrid Wersuhn
  • Patent number: 7998889
    Abstract: An hydroentangled integrated composite nonwoven material, includes a mixture of randomized continuous filaments, and synthetic staple fibers, where there are no thermal bonding points between the continuous filaments. The nonwoven material exhibits a cumulative pore volume, measured by PVD in n-hexadecane, in the pore radius range 5-150 ?m, where at least 70% of the cumulative pore volume is in the pores with a pore radius above 45 ?m. The nonwoven material also exhibits a cumulative pore volume, which when the synthetic staple fibers are chosen from the group of polyethylene, polypropylene, polyester, polyamide, and polylactide staple fibers is at least 9 mm3/mg, and when the synthetic staple fibers are lyocell staple fibers is at least 6 mm3/mg.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: August 16, 2011
    Assignee: SCA Hygiene Products AB
    Inventors: Anders Stralin, Camilla Bemm, Mikael Strandqvist
  • Patent number: 7994080
    Abstract: An electrically conductive non-woven fabric (10) for heating applications is described and comprises a three-dimensional network (11) of non-woven synthetic fibers (12) which are non-electrically conductive and electrically conductive strands (13) of synthetic fibers or fine metal wires consolidated therewith. The fabric has an intrinsic resistivity in the range of from about 0.05 to 5 m2/kg.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: August 9, 2011
    Assignee: Soleno Textiles Techniques Inc.
    Inventors: Richard Théorêt, Olivier Vermeersch
  • Publication number: 20110165397
    Abstract: A fire-resistant fabric is provided that comprises a non-woven batt comprising an intertwined first plurality of flame-resistant fibers. The fire-resistant fabric further comprises one or more stitching yarns engaging the non-woven batt in the form of stitches configured for binding the intertwined flame-resistant fibers into a stitch-bonded fabric. The one or more stitching yarns include a yarn comprising a second plurality of flame-resistant fibers. At least one of the first and second pluralities of flame-resistant fibers comprises partially oxidized PAN fibers.
    Type: Application
    Filed: January 6, 2011
    Publication date: July 7, 2011
    Inventors: Ray Roe, Brenda Marion, Jeff Siffert, Leon Green
  • Patent number: 7833918
    Abstract: A substantially dry, water-activated cleaning article is described that comprises a two-layer nonwoven substrate impregnated with a cleaning composition minimally comprising a nonionic surfactant and a microbially-derived polysaccharidic polymer.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: November 16, 2010
    Assignee: The Dial Corporation
    Inventors: Deirdre M. Gormley, Priti Das, Aleidatje M. Lester, Kevin Hafer
  • Patent number: 7772143
    Abstract: The invention relates to a multilayer, composite, fleece material having a core layer and at least one cover layer attached to the core layer, where the at least one cover layer is needled with the core layer such that fibers of the at least one cover layer protrude into the core layer. The multilayer, composite, fleece material is intended for use in the manufacture of interior panels of vehicles and to have improved mechanical properties, low thermal conductivity, very low tendency to produce emissions, and good acoustic properties when used for that purpose, as well as enable its inexpensive manufacture.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: August 10, 2010
    Assignee: Sandler AG
    Inventors: Stefan Hermann, Wolfgang Höflich
  • Patent number: 7745358
    Abstract: A nonwoven fabric having abrasion resistance and absorbency suitable for cleaning printer cylinders, especially textured or rough printer cylinders, is formed by hydroentangling a fibrous nonwoven web formed from higher-melting polyester base fibers and lower-melting binder fibers, and then thermally bonding the fabric.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: June 29, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Thomas Edward Benim, Jaime Marco Vara Salamero
  • Patent number: 7674732
    Abstract: A felt for papermaking which is less prone to be crushed during operation of high speed paper machine, promptly begins stable papermaking after starting the machine, assures durability, and maintains surface smoothness.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: March 9, 2010
    Assignee: Ichikawa Co., Ltd.
    Inventor: Yoshiaki Ito
  • Patent number: 7632766
    Abstract: An insulating fabric which substantially prevents propagation of fire uses a blend of modified aluminum oxide-silica fibers and organic fibers in a multi-layer blanket.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: December 15, 2009
    Assignee: Tex Tech Industries, Inc.
    Inventors: David F. Erb, Jr., Robert A. Gravel, Eric D. Ritter, Eric A. Barter
  • Patent number: 7601414
    Abstract: The invention relates to an inherently flame resistant (FR) stitchbonded nonwoven fabric for mattresses, boxsprings, upholstered furniture, top-of-the-bed, office panel, transportation seating or any end use application where a FR textile material is desired. Two of the preferred forms of this invention include: 100% cotton. 100% rayon, 100% lyocell, cotton/non-FR fiber blends, rayon/non-FR fiber blends or lyocell/non-FR fiber blend battings that are stitchbonded with flame resistant fiberglass core-spun yarn. 100% cotton, 100% rayon, 100% lyocell, cotton/non-FR fiber blends, rayon/non-FR fiber blends or lyocell/non-FR fiber blend battings that are stitchbonded with FR spun yarn.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: October 13, 2009
    Assignee: Sumlin Holdings, Inc.
    Inventors: Alan C. Handermann, Bob McKinnon, Frank J. Land
  • Patent number: 7589037
    Abstract: The invention relates to slickened or siliconized flame resistant fiber blends that are well suited for use in mattresses, boxsprings, upholstered furniture, fiber-filled bed clothing, transportation seating or any end use application where a soft materials are desired for flame resistant (FR) purposes. Some of the fibers in the blend are slickened. The FR fibers incorporated into these blends include both char forming FR fibers and oxygen depleting FR fibers. FR char-forming fibers are those which exhibit little shrinkage when exposed to direct flame and are not spun from polymers manufactured with halogenated monomers. Oxygen depleting FR fibers are spun from polymers manufactured with halogenated monomers.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: September 15, 2009
    Assignee: Basofil Fibers, LLC
    Inventors: Alan C. Handermann, Scott A. Bridges
  • Patent number: 7501364
    Abstract: The present invention provides a non-woven felt material that includes a blend of cotton shoddy and synthetic fibers, and a method of making the same. The blend of cotton shoddy and synthetic fibers is carded and needled to form a batt. The batt is compacted and unified into its stable final shape by heating and soft-pressing, which causes at least a portion of the synthetic fibers to soften and/or melt and thereby bond the needled cotton shoddy and synthetic fibers together. The non-woven felt material according to the invention is strong, tear resistant, yet provides a non-slip, cushioned walking surface that readily absorbs and contains spilled oils, water and/or glycols.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: March 10, 2009
    Assignee: Bouckaert Industrial Textiles, Inc.
    Inventors: Thomas V. Bouckaert, Richard A. Leroux
  • Patent number: 7491438
    Abstract: A layered textile composite product is disclosed which may include a nonwoven needled layer. The nonwoven needled layer is comprised of mechanically interlocked staple fibers which are needled together on a needle punch machine and then bonded with an adhesive layer to a polymeric or polyolefin film layer. The overall layered textile product may be used in several different applications, including for example in automobiles for seating, load floor, trunk linings, floor carpeting, door panel trim, and other interior trim applications.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: February 17, 2009
    Assignee: Milliken & Company
    Inventors: Roy Phillip Demott, Tim Meade, Jim Porterfield
  • Patent number: 7435475
    Abstract: A pillow, pillow form, quilt or other household textile article is comprised of a ticking having a fiberfill inserted into an interior space thereof. The fiberfill is comprised of a luxury fiber blend in the form of either loose fibers or a nonwoven fiber batt. The luxury fiber blend is comprised of a first amount, preferably, five percent by weight, of a luxury fiber such as silk or cashmere and a second amount, preferably ninety-five percent by weight, of a non-luxury fiber such as polyester.
    Type: Grant
    Filed: July 27, 2004
    Date of Patent: October 14, 2008
    Assignee: L&P Property Management Company
    Inventors: Robert D. Heilman, Jeffrey R. Kumm
  • Patent number: 7432219
    Abstract: An improved hydroentangled well integrated composite nonwoven material, including a mixture of continuous filaments, synthetic staple fibers, and natural fibers which has a reduced twosidedness and an improved textile feeling. The synthetic staple fibers should have a length of 3 to 7 mm, and preferably there should be no thermal bondings between the filaments. The method of producing such a nonwoven material is also disclosed. The nonwoven includes a mixture of 10-50 w-% continuous filaments preferably chosen from polypropylene, polyesters and polylactides, 5-50 w-% synthetic staple fibers chosen from polyethylene, polypropylene, polyesters, polyamides, polylactides, rayon, and lyocell, and 20-85 w-% natural fibers, preferably pulp.
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: October 7, 2008
    Assignee: SCA Hygiene Products AB
    Inventors: Mikael Strandqvist, Anders Stralin, Lars Fingal, Hannu Ahoniemi
  • Patent number: 7390760
    Abstract: A composite material comprising a plurality of nanofibers intertwined with a plurality of coarse fibers to form one or more layers is provided. The nanofibers can be any suitable type of nanofiber, including electrospun fibers. A composite material comprising a plurality of electrospun fibers intertwined with a plurality of coarse fibers to form a single layer is also provided. A composite material comprising a plurality of electrospun fibers combined with a plurality of coarse fibers to form a plurality of layers, i.e., a multi-layer material, is also provided. In some embodiments, gradients in one or more directions are produced. Embodiments of the invention also provide processes for producing the composite nanofiber material. The materials are useful for any type of disposable garment, wipe, hospital garment, face mask, sterile wrap, air filter, water filter and so forth. Materials described herein can provide strong and varying surface effects, such as wicking.
    Type: Grant
    Filed: November 2, 2004
    Date of Patent: June 24, 2008
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Fung-jou Chen, Lei Huang, Jeffrey D. Lindsay
  • Patent number: 6900147
    Abstract: A neckable nonwoven web is provided with a central region and two edge regions, the central region being selectively easier to neck than the two edge regions. The nonwoven fibers in the central region have a polymer composition and/or physical properties which differ from the nonwoven fibers in the two edge regions. The selectively easier necking in the central region causes the central region to neck to about the same extent as the two edge regions, which otherwise would experience greater necking than the central region if the starting nonwoven web were completely uniform. Necked nonwoven webs and neck-bonded laminates made using the improved neckable nonwoven web, are also provided.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: May 31, 2005
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Michael T. Morman, Charles J. Morell
  • Publication number: 20040242107
    Abstract: A non-woven flame blocking fabric and method utilizes a fibrous blend of a concentration of cellulosic organic fibers (A) and a concentration of inorganic fibers (B) to which a flame retardant composition (C) is applied. The concentrations of fibers are blended and treated to form a flame retardant fiber blend capable of forming a non-woven flame blocking fabric that upon exposure to flame forms a reinforced char barrier (D) that prevents the flame from igniting any flammable substrate. The reinforced char barrier (D) includes the carbonized cellulosic organic fibers and melted inorganic fibers. A concentration of binder fibers or powders (E) may alternatively supplement the fiber blend to produce a low profile flame blocker fabric upon activation and calendaring. The fabric preferably has a low profile as a result of compaction and bonding, but the fabric may be provided as a high-loft web.
    Type: Application
    Filed: May 30, 2003
    Publication date: December 2, 2004
    Inventor: Loren M. Collins
  • Publication number: 20040191470
    Abstract: A composite sheet is disclosed. The composite sheet comprises an open random fibrous web having substantially vertical fibers near a top surface, a first binder resin and a second binder resin, wherein the first binder resin has a melting point lower than the melting point of the second binder resin, wherein the melting point of the second resin is lower than the melting point of the web, wherein the resins are activated in situ with the web fibers to form a resin-fiber rich region on the top surface and wherein the abrasion-resistant sheet can withstand at least about 3,000 cycles on the Wyzenbeek abrasion test using 80-grit abrasive paper. An abrasion-resistant sheet comprising a single binder resin and other abrasion-resistant sheets are also disclosed. Processes for making these abrasion-resistant sheets are further disclosed herein.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 30, 2004
    Inventors: Dimitri Peter Zafiroglu, Stephen H. Tsiarkezos
  • Publication number: 20040157520
    Abstract: A fabric material includes one or more non-fluorescent or non-illuminative fibers and one or more fluorescent or illuminative fibers engaged or woven or entangled or intermingled with each other, to solidly engage the fluorescent fibers in the non-fluorescent fibers, and to prevent the fluorescent fibers from being disengaged from the non-fluorescent fibers. The fluorescent fibers may reflect the lights, or may absorb the lights in the day time, and to generate fluorescence or illuminative lights in the night or in the dark environment, and thus for allowing the users to be seen in the dark environment, to prevent accidents.
    Type: Application
    Filed: February 10, 2003
    Publication date: August 12, 2004
    Inventors: Chin Chuan Huang, Chi Yuan Chang, Poen Chen
  • Patent number: 6713413
    Abstract: A buffing or polishing material has a nonwoven fleece layer and a backing layer that adds strength and dimensional stability to the material. The nonwoven fleece layer is a needled blend of natural fibers and synthetic fibers having a uniform density and working surface, resulting in a better polishing or finishing consistency. The material can withstand high heat levels and can be worked quickly, resulting in a more efficient polishing or finishing operation. The buff material can be converted into any preferred shape or tool, such as an endless belt, disc, flapwheel, or spiral band.
    Type: Grant
    Filed: December 22, 2000
    Date of Patent: March 30, 2004
    Assignee: Freudenberg Nonwovens Limited Partnership
    Inventor: Gerald F. Kruegler
  • Patent number: 6689703
    Abstract: An elastically stretchable nonwoven fabric including thermoplastic elastomer filaments; the filaments being heat-sealed and/or mechanically intertwined together to form the nonwoven fabric that has crimped regions and non-crimped regions wherein each of the crimped regions has fine crimps in the rate of 50/cm or higher.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: February 10, 2004
    Assignee: Uni-Charm Corporation
    Inventors: Toshio Kobayashi, Satoru Tange, Masaki Yoshida, Emiko Inoue
  • Publication number: 20030207637
    Abstract: A launderable fluid containment textile composite of stitch bonded construction useful in an incontinence pad. The textile composite includes a fluid retention layer of non-woven fabric formed from a plurality of intermingled textile fibers. A liquid permeable barrier layer of porous fabric is disposed across the fluid retention layer. A plurality of spun yarns including polyester and rayon constituents extend in a repeating stitch bonding pattern through the fluid retention layer and the liquid permeable barrier layer such that the spun yarns form a surface layer over the liquid permeable barrier layer at the technical face of the textile composite. The stitch bonding pattern is characterized by a stitch density in the machine direction of about 4 to about 14 stitches per inch.
    Type: Application
    Filed: May 19, 2003
    Publication date: November 6, 2003
    Applicant: TIETEX INTERNATIONAL, LTD.
    Inventor: Martin Wildeman
  • Publication number: 20030203694
    Abstract: Disclosed is a filter medium having at least a first layer containing a stabilized matrix of thermoplastic filaments and at least one secondary material; and a second layer having a stabilized matrix of thermoplastic filaments and optionally of at least one secondary material. Each of the layer of the filter medium has a different compositional ratio of the components to result in a gradient structure. The compositional gradient for the layers of the coform results in a filter having improved capacity, which extends the life of the filter medium, as compared to a filter without the compositional gradient. The present invention also provides a method of removing particles from a fluid containing particles. The method of the present invention includes contacting the fluid containing particles with the filter medium of having the two layers described above in a manner such that the fluid containing particles is passed through the first layer of the filter medium before the second layer.
    Type: Application
    Filed: April 26, 2002
    Publication date: October 30, 2003
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: Ganesh Chandra Deka, Ronald C. Cox
  • Publication number: 20030203698
    Abstract: A spunbond nonwoven fabric useful as a topsheet is produced from polypropylene filaments including a high level of reclaimed polypropylene, while maintaining a product quality, including superior formation, comparable to that obtained when using 100 percent virgin polymer. The spunbond nonwoven fabric is made with multicomponent filaments having at least two different polymer components occupying different areas within the filament cross section, and wherein one of the polymer components comprises reclaimed polypropylene recovered from previously spun polypropylene fiber or webs comprised of previously spun polypropylene fiber. In a specific embodiment, the filaments are sheath-core bicomponent filaments and the reclaimed polypropylene is present in the core component. The core of the bicomponent filament can be comprised of up to 100% reclaimed polypropylene.
    Type: Application
    Filed: May 13, 2003
    Publication date: October 30, 2003
    Applicant: BBA Nonwoven Simpsonville, Inc.
    Inventors: Jay Darrell Gillespie, Daniel Deying Kong, Robert C. Alexander
  • Publication number: 20030171055
    Abstract: The flame retardant sheet material of the present invention simultaneously affords good flame retardancy and melting resistance in a sheet material in which a nonwoven is used, and also simultaneously provides good abrasion resistance and an excellent design, making it suitable for use in automotive trim surface materials. A flame retardant sheet material is obtained by first needle-punching and then stitch-bonding a web containing 70 to 95 wt % base fiber and 5 to 30 wt % flame retardant fiber selected from among flame retardant rayon fiber and modacrylic fiber. It is preferable for propoxyphosphazene or another such phosphoric ester-based flame retardant to be kneaded into the flame retardant fiber. It is also preferable to add a binder fiber to the web in order to improve abrasion resistance.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 11, 2003
    Inventors: Hiroshi Endo, Masahiko Yamaguchi, Tetsuji Saito
  • Patent number: 6573204
    Abstract: A cleaning cloth having a nonwoven structure for wet, damp and/or dry cleaning, the cleaning cloth being made from micro staple fibers of at least two different polymers and from absorbent secondary staple fibers bound into the micro staple fibers and securely retained therein.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: June 3, 2003
    Assignee: Firma Carl Freudenberg
    Inventors: Dieter Philipp, Jochen Wirsching, Steffen Kremser
  • Publication number: 20030082358
    Abstract: A nonwoven having varying densities of the fibers that make up the nonwoven. The nonwoven has a length direction x, a width direction y, and a thickness direction z. The density of the fibers 11 in the nonwoven 10 varies long the width direction y of the nonwoven 10.
    Type: Application
    Filed: October 29, 2001
    Publication date: May 1, 2003
    Inventor: David Edward Wenstrup
  • Patent number: 6555490
    Abstract: The invention features a lining material for footwear. The material includes a non-woven felt including up to 80% by weight of grooved or multi-lobed cross section transport fibers and the remainder of thermally bondable fibers arranged to secure the transport fibers against abrasion and excessive mechanical stretch presented during incorporation of the lining material into a product during that product's manufacture.
    Type: Grant
    Filed: July 22, 1999
    Date of Patent: April 29, 2003
    Assignee: Texon UK Limited
    Inventors: Kirsty Marlene Wildbore, Susan Gwynneth Johnson, Roger Alan Chapman
  • Patent number: 6547860
    Abstract: A process for the manufacture of a triboelectrically charged nonwoven, wherein a fiber blend made of polyacrylnitrile fibers with a titer of ≦1.7 dtex and of polyolefine fibers with a titer of ≦1.7 dtex is freed from lubricating agents and antistatic agents by washing, is dried down to a moisture content of <1% by weight and is carded on a longitudinal or randomizing card into a triboelectrically charged web with a mass per area unit of 15-80 g/m2. This web is taken off by two simultaneously running rolls and a transfer roll, so that the web is laid on to a conveyor in machine direction, and bonded directly inside a bonding set, the unbonded web being forwarded via 1 to 3 points of transfer only.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: April 15, 2003
    Assignee: Firma Carl Freudenberg
    Inventors: Holger Buchwald, Karl-Heinz Morweiser, Klaus Veeser
  • Publication number: 20030045197
    Abstract: A floor cleaning sheet (1) impregnated with an aqueous detergent is used as attached to a cleaning part (11) of a cleaning tool (10) having a handle (12) of stick form connected to the cleaning part (11). The surface layer of the floor cleaning sheet (1) which is to be brought into contact with a floor comprises nonwoven fabric formed by fiber entanglement of a fiber web and has a static friction resistance of 900 to 2500 cN against #1200-grit sandpaper.
    Type: Application
    Filed: June 24, 2002
    Publication date: March 6, 2003
    Inventors: Shusuke Kakiuchi, Kenji Ishikawa, Taeko Hayase, Hiroyuki Akai
  • Publication number: 20030032357
    Abstract: A spunbond nonwoven fabric useful as a topsheet is produced from polypropylene filaments including a high level of reclaimed polypropylene, while maintaining a product quality, including superior formation, comparable to that obtained when using 100 percent virgin polymer. The spunbond nonwoven fabric is made with multicomponent filaments having at least two different polymer components occupying different areas within the filament cross section, and wherein one of the polymer components comprises reclaimed polypropylene recovered from previously spun polypropylene fiber or webs comprised of previously spun polypropylene fiber. In a specific embodiment, the filaments are sheath-core bicomponent filaments and the reclaimed polypropylene is present in the core component. The core of the bicomponent filament can be comprised of up to 100% reclaimed polypropylene.
    Type: Application
    Filed: August 2, 2001
    Publication date: February 13, 2003
    Applicant: BBA Nonwovens Simpsonville, Inc.
    Inventors: Jay Darrell Gillespie, Daniel Deying Kong, Robert C. Alexander
  • Publication number: 20030022583
    Abstract: The invention relates to a ballistic resistant material having a V50 value of at least about 1000 feet per second. The ballistic resistant material includes at least two types of fibrous materials, which are blended and consolidated together, preferably by needlepunching, to create a single layer of nonwoven, composite material. The needle punching is preferably in the range of 200 to 1000 needlepunches per square inch. The fibrous materials are characterized by being deformed when subjected to the impact of a ballistic object. One of the fibers phase changes, e.g. melting, upon impact and at least one other fiber fibrillates upon impact. One of the fibers must phase change at a temperature at least 80° C. lower than the highest melting or destruction point fiber in the high modulus fiber blend.
    Type: Application
    Filed: May 9, 2002
    Publication date: January 30, 2003
    Inventors: Howard L. Thomas, Greg J. Thompson
  • Publication number: 20020168911
    Abstract: An absorbent fleece for use in hospital supplies, comprises a fiber blend of about 80-95% viscose and 10% polyester formed into a dry laid, nonwoven web, wherein the web consists of multiple, carded and cross-lapped layers that are consolidated using a needle-punch process, whereby the fleece has a water absorbtion of at least about 1,000 wt % and an absorbing speed of at least about 20 mm after 10 seconds.
    Type: Application
    Filed: May 2, 2002
    Publication date: November 14, 2002
    Inventor: Kathleen C. Tonner
  • Publication number: 20020155289
    Abstract: Melt processable perfluoropolymer forms in woven, non-woven and knitted manifestations, and products produced therefrom such as filters and filtration support media are made of melt processable single and/or multicomponent yarns from a wide range of deniers, shapes and crimps.
    Type: Application
    Filed: February 28, 2002
    Publication date: October 24, 2002
    Inventors: Frank Cistone, Jin Choi
  • Patent number: 6458460
    Abstract: A wound dressing comprises a blend of at least two types of discrete fibers wherein one discrete fiber is of a modified cellulose gel-forming material and a second discrete fiber is of another type of gel-forming material such as an alginate.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: October 1, 2002
    Assignee: Bristol-Myers Squibb Company
    Inventors: Bryan Griffiths, Elizabeth Jacques, Stephen Bishop
  • Patent number: 6455450
    Abstract: A paper machine felt having at least one nonwoven layer made of plastic fibers, wherein there is present in the nonwoven layer or in at least one of the nonwoven layers a fiber combination in which a portion of the plastic fibers is made of a material A that has a water uptake of more than 10 wt % (saturation value, 23° C.) and in which the majority of the plastic fibers is made of a material B that has a water uptake of no more than 10 wt % (saturation value, 23° C.).
    Type: Grant
    Filed: June 21, 2000
    Date of Patent: September 24, 2002
    Assignee: Thomas Josef Heimbach Gesellschaft mit beschrankter Haftung & Co.
    Inventor: Hans Hofmann
  • Publication number: 20020124367
    Abstract: A method of manufacturing a non-woven fabric, comprises: opening and mixing different input fibres to form a uniform fibre mixture having predetermined proportions of the different input fibres; carding the fibre mixture to form a uniform web of predetermined thickness travelling in a first direction; laying onto the web high tenacity yarns which extend in the first direction and are spaced apart transversely of the first direction; depositing fixed lengths of the web in alternating fashion on a conveyor travelling in a second direction transverse to tile first direction to form on the conveyor a mat consisting of overlapping lengths of the web; and needle-punching the mat to form the non-woven fabric. Apparatus for performing this method of manufacture is also provided.
    Type: Application
    Filed: August 3, 2001
    Publication date: September 12, 2002
    Inventor: Kong Foo Wong
  • Patent number: 6268302
    Abstract: A spunbond nonwoven fabric is provided which has superior strength characteristics to conventional fabrics yet is comparably soft. The fabric is a laminate having a web made from a high melt flow rate polyolefin polymer and a low melt flow rate polymer. The spunbond laminate fabric of this invention may have therebetween a layer of meltblown nonwoven fabric or film. The laminate produced according to this invention has a strength which is at least 10% greater than a comparable fabric made without the high melt flow rate polymer web. The nonwoven fabric of this invention may be used in products such as, for example, garments, personal care products, medical products, protective covers and outdoor fabrics.
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: July 31, 2001
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Simon Kwame Ofosu, Peter Michailovich Kobylivker, Mary Lou DeLucia, Robert Leslie Hudson, John Joseph Sayovitz
  • Patent number: 6177370
    Abstract: The present invention desirably provides a fabric including a synthetic fiber structure first zone, a synthetic fiber structure second zone, and a short fiber third zone. The first zone may include a spunbond web layer and a meltblown web layer. The synthetic fiber structure second zone may be positioned proximate to the synthetic fiber structure first zone and the short fiber third zone may be positioned substantially between the first and second zones. Desirably, the first and second zones are entwined.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: January 23, 2001
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Henry Skoog, Fred R. Radwanski, Terry R. Cleveland, Frances W. Mayfield, Lawrence M. Brown
  • Patent number: 6159882
    Abstract: Nonwoven fibrous webs having substantial strength in the direction normal to their planes and the preparation of such webs.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: December 12, 2000
    Assignee: Boricel Corporation
    Inventors: James Harvey Kean, Tod Mitchell Kean, Kenneth Roger Williams