Containing Polymeric And Natural Strand Or Fiber Materials Patents (Class 442/416)
  • Publication number: 20020081930
    Abstract: The present invention is directed to ion-sensitive, water-dispersible fabric. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymer formulations and their applicability as binder compositions for disposable items.
    Type: Application
    Filed: December 5, 2001
    Publication date: June 27, 2002
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: David Martin Jackson, Frederick John Lang, Kenneth Yin Wang, Duane Zacharias
  • Patent number: 6407309
    Abstract: An inexpensive sheet or web shaped fibre material for use e.g., in sanitary napkins typically consists of a mixture of short cellulose fibres and some 15% of relatively long, thermoplastic binder fibers. It is a noticeable problem that the short fibres “dust” out of the material, and according to the invention this is remedied in that the material, when made by dry forming, is provided with a surface coating of very thin layers of pure binder fibres. In addition to a marked holding back of the dust, these layers condition that the amount of binder fibres in the base material can be halved and that the breaking stress of the material is noticeably improved. Thereby the products are usable not only as inserts, but also as individual, self-contained units e.g., for wiping in domestic or industrial cleaning.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: June 18, 2002
    Assignee: Scan-Web I/S
    Inventor: Helmut Erwin Schilkowski
  • Patent number: 6387831
    Abstract: There is provided a fibrous web which includes a binder and which is compressed to a density of up to about 0.3 g/cc. The web may preferably be formed by the bonded carded web process or air lay process. The binder may depend on hydrogen bonding using moisture or may be a non-aqueous solution, a powder, a fibrous binder or a conjugate fiber binder including a moisture triggerable component. Conjugate fibers may be crimped. When wetted the web of this invention should expand rapidly to greater than 80% of its uncompressed thickness and greater than 90% of its thickness when saturated if starting from the uncompressed state.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: May 14, 2002
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Hannong Rhim, Roland Columbus Smith, Jr., Rob David Everett, Clifford Jackson Ellis, Christopher Cosgrove Creagan
  • Publication number: 20020028625
    Abstract: A stencil is made by thermally forming perforations arranged in both a main scanning direction and a sub-scanning direction in a thermoplastic resin film of heat-sensitive stencil material by the use of a heat source which is heated through supply of energy. Supply of energy to the heat source is cut when a time interval not shorter than 50% and not longer than 100% of an estimated perforating time lapses from the time at which supply of energy to the heat source is started. The estimated perforating time is a time interval expected to be necessary for a perforation to be produced by the heat of the heat source and to be enlarged to a desired size as a final size as measured from the time at which supply of energy to the heat source is started.
    Type: Application
    Filed: May 17, 2001
    Publication date: March 7, 2002
    Inventors: Jun Nakamura, Kenji Oshima
  • Publication number: 20020009942
    Abstract: Disclosed is an absorbent material which is used as ink pads of ink-jet and bubble-jet printers, various building materials and materials for civil engineering work, said absorbent material comprising a non-woven fabric containing water-absorptive fibers, wherein a water absorption percentage is not less than 400% by weight and a change in volume is less than 10% in a state where water is absorbed in the amount of not less than 400% by weight.
    Type: Application
    Filed: September 1, 1999
    Publication date: January 24, 2002
    Inventors: YOSHIKATSU MIZUKAMI, KATSUMI AGARI, HIROKO FUKUMOTO, HIROSHI ONOUE, OSAYUKI NUMATA
  • Patent number: 6329052
    Abstract: A blowable insulation material includes batt shredded into blowable clusters. In the several embodiments, the clusters include water-repellant or lubricant-finished fiber and/or dry fiber and/or binder fiber, and may be a mixture of clusters and a natural material including down, silk, wool, cotton or any other natural material with insulating properties, or any combination thereof, and may also include synthetic open fibers.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: December 11, 2001
    Assignee: Albany International Corp.
    Inventors: Zivile M Groh, Victor P. Laskorski
  • Patent number: 6274522
    Abstract: Disclosed is a liquid absorbing body and a method of manufacturing the liquid absorbing body which has an excellent swelling property and absorbed liquid holding ability in a vertical state and which is suitable to a mass production at a low manufacturing cost. This liquid absorbing body includes natural cellulose fibers and/or synthetic fibers, a thermally fusible material and a thickening material. This liquid absorbing body is formed by defibering natural cellulose fibers and/or synthetic fibers, a thermally fusible material and a thickening material in air and mixing them to form a mat, heating thus formed mat at a temperature higher than a fusible point of the thermally fusible material and then fixing the thickening material in a web by compressing the mat with a press roller.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: August 14, 2001
    Assignee: Oji Paper Co., Ltd.
    Inventors: Tadanori Sameshima, Teruo Miura, Kiyotaka Miyata, Eiji Yagura
  • Publication number: 20010008824
    Abstract: There is provided a fibrous web which includes a binder and which is compressed to a density of up to about 0.3 g/cc. The web may preferably be formed by the bonded carded web process or air lay process. The binder may depend on hydrogen bonding using moisture or may be a non-aqueous solution, a powder, a fibrous binder or a conjugate fiber binder including a moisture triggerable component. Conjugate fibers may be crimped. When wetted the web of this invention should expand rapidly to greater than 80% of its uncompressed thickness and greater than 90% of its thickness when saturated if starting from the uncompressed state.
    Type: Application
    Filed: November 16, 1998
    Publication date: July 19, 2001
    Inventors: HANNONG RHIM, ROLAND COLUMBUS SMITH,, ROB DAVID EVERETT, CLIFFORD JACKSON ELLIS, CHRISTOPHER COSGROVE CREAGAN
  • Patent number: 6232249
    Abstract: A short fiber-containing down-feather wadding in which the short fibers are entangled in barbs of the down-feathers. In this wadding, the short fibers are uniformly mixed with the down-feathers, and the properties of the down-feathers, and the short fibers are effectively imparted to the wadding.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: May 15, 2001
    Inventor: Yukihiro Kawada
  • Patent number: 6034002
    Abstract: The invention relates to a sealing tape which is suitable for winding around pipe ends, especially pipe threads, and for sealing screw pipe joints and spigot pipe joints, which has a waterproof functional layer, preferably with one or more base layers, where the functional layer contains polymers on polyetherester basis, polyurethane basis and/or polyetheramide basis, and the use of the sealing tape in heating pipes, utility water pipes, drinking water pipes, water vapor pipes, gas pipes, compressed air pipes, industrial valves and valves used in domestic installations.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: March 7, 2000
    Assignee: Akzo Nobel Nv
    Inventor: Eugeniusz Maderek
  • Patent number: 6028018
    Abstract: An improved wet wipe includes a multiple layer basesheet to provide a unique combination of properties to the wipe which are not capable in a single layer basesheet. The layered basesheet includes at least two layers which include different fibers and have different physical properties. One of the layers may include polyethylene fibers to provide a soft, gentle feel for contacting the skin of the user during use while the other layer may include polypropylene fibers to provide strength and resiliency to the wipe to withstand the forces exerted by the user, and maintain its shape and integrity in use.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: February 22, 2000
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: John David Amundson, John Charles Eckert, Mark George Everson, David Martin Jackson, Walter Theodore Schultz, Charles Allen Smith, David Craige Strack
  • Patent number: 6001750
    Abstract: The present invention relates to a fibrous base material comprising a primary layer of less fibrillated aramid fibers, carbon particles, carbon fibers, phenolic novoloid fibers, and at least one filler material, optionally cotton fibers, and a secondary layer of carbon particles on at least one surface of the fibrous base material for use in a non-asbestos friction material. In certain embodiments, the fibrous base material is impregnated with a phenolic or phenolic-based resin material, including, for example, a mixture of a phenolic resin and a silicone resin to form a friction material having an extended high speed durability life, good "break-in" characteristics, good heat dissipation characteristics, and good noise or squawk resistance.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: December 14, 1999
    Assignee: Borg-Warner Automotive, Inc.
    Inventor: Robert C. Lam
  • Patent number: 5994615
    Abstract: There is provided a surge material for personal care products which is a wettable web of fibers of 30 microns in diameter or less where the web has a permeability between about 250 and 1500 Darcys, a capillary tension between about 1.5 and 5 cm, and which maintains that permeability and capillary tension over the life of the web. Its preferred that the web have a density between about 0.02 g/cc to about 0.07 g/cc.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: November 30, 1999
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Richard Norris Dodge, II, Clifford Jackson Ellis, Connie Lynn Hetzler, Sylvia Bandy Little, Tamara Lee Mace, Lawrence Howell Sawyer, Hoa La Wilhelm
  • Patent number: 5948543
    Abstract: A laminate base material of aromatic polyamide fiber non-woven fabric which comprises a combined non-woven fabric of para-aramid fibers and meta-aramid fibers bonded with each other by a resin binder such as an epoxy resin binder and meta-aramid fibres being thermally adhered to each other and meta-aramid fibers being thermally adhered to para-aramid fibers while they are passing through a pair of thermal rolls and heated and pressed by them and the meta-aramid fibers being included preferably by 5 through 30 weight %.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: September 7, 1999
    Assignees: Shin-Kobe Electric Machinery Co., Ltd., Teijin Limited, Oji Paper Co., Ltd.
    Inventors: Minoru Ootuka, Hirokazu Hiraoka, Toru Shimadu, Masayuki Noda
  • Patent number: 5905046
    Abstract: A water-disintegrable sheet having biodegradability. The sheet comprises one or more kinds of biodegradable synthetic fibers, and one or more kinds of natural fibers and/or regenerated fibers, all the fibers being bound together by a binder such that the binding power of the binder will be substantially lost in water. The sheet has a given degree of tensile strength and good softness, coupled with a required degree of liquid absorbency, and still has some biodegradation property. Therefore, the sheet can be flushed in a flush toilet without involving any appreciable increase in the volume of solid residues in a septic tank and/or in a sewage disposal plant and is therefore suitable for use in the form of a wet wiper in particular.
    Type: Grant
    Filed: April 23, 1997
    Date of Patent: May 18, 1999
    Assignees: Uni-Charm Corporation, Unitika Ltd.
    Inventors: Yasushi Takeda, Toshiya Okubo, Chieko Arita, Chizu Otani, Yoshishige Yoshioka, Fumio Matsuoka, Naoji Ichise
  • Patent number: 5885908
    Abstract: An anisotropic elastic web, particularly an anisotropic elastic film layer having a machine direction and a cross direction and having a thickness of from 20 to 300 microns formed of an extruded blend of a block copolymer elastomer portion and a polyolefin polymer portion blended in a ratio of from 10:1 to 0.4:1, respectively. The elastomer portion generally is a block copolymer elastomer formed of A blocks and B blocks, the A blocks are formed predominately of monoalkenyl arene and the B blocks are formed predominately of conjugated diene. The polyolefin portion is comprised predominately of an inelastic fiber forming polyolefin polymer, copolymer or blend. The anisotropic film layer has a F10 force Ratio (MD to CD) of at least 1.5. This anisotropic elastic web is usable in a variety of garment applications where an elastic is supplied in roll form and requires strength in a machine direction and elastic properties in a cross direction.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: March 23, 1999
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventors: Jobst Tilman Jaeger, Alan J. Sipmen
  • Patent number: 5879343
    Abstract: There is provided a surge material for personal care products which is a wettable web of fibers of 30 microns in diameter or less where the web has a permeability between about 250 and 1500 Darcys, a capillary tension between about 1.5 and 5 cm, and which maintains that permeability and capillary tension over the life of the web. Its preferred that the web have a density between about 0.02 g/cc to about 0.07 g/cc.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: March 9, 1999
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Richard Norris Dodge, II, Clifford Jackson Ellis, Connie Lynn Hetzler, Sylvia Bandy Little, Tamara Lee Mace, Lawrence Howell Sawyer, Hoa La Wilhelm
  • Patent number: 5877099
    Abstract: A web, formed from dielectric fibers and non-dielectric fibers, which has been subjected to corona discharge to improve the particulate filtration properties of the web is provided. The dielectric and non-dielectric fibers may be intermingled within the web such that the distribution of the dielectric and non-dielectric fibers within the web is generally uniform. In one embodiment, the dielectric fibers may be formed from a thermoplastic polymer, and particularly polyolefin and the non-dielectric fibers may be formed from cellulose, and particularly wood pulp.
    Type: Grant
    Filed: January 27, 1997
    Date of Patent: March 2, 1999
    Inventor: Bernard Cohen
  • Patent number: 5876840
    Abstract: Spunbond multicomponent filaments and nonwoven webs made from the filaments are disclosed. In accordance with the present invention, the multicomponent filaments contain a crimp enhancement additive. Specifically, the crimp enhancement additive is added to one of the polymeric components in order to accelerate its solidification rate. The additive enhances crimp, allows for highly crimped filaments to be made at smaller deniers, and produces low density webs with improved stretch and cloth-like properties. Specifically, the additive incorporated into the filaments is a nonionic surfactant such as an alkyl ether alkoxylate, a siloxane alkoxylate, an ester of a polyalkylene glycol, a polysaccharide derivative, a glycerol ester, or mixtures thereof.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: March 2, 1999
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Xin Ning, Samuel E. Marmon
  • Patent number: 5858883
    Abstract: The present invention relates to a fibrous base material comprising a primary layer of less fibrillated aramid fibers, synthetic graphite and at least one filler material, and a secondary layer of carbon particles on at least one surface of the fibrous base material for use in a non-asbestos friction material. In certain embodiments, the fibrous base material is impregnated with a phenolic or phenolic-based resin material, including, for example, a mixture of a phenolic resin and a silicone resin to form a friction material having good "break-in" and durability characteristics.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: January 12, 1999
    Assignee: Borg-Warner Automotive, Inc.
    Inventors: Robert C. Lam, Marc A. Yesnik, Yih-Fang Chen
  • Patent number: 5801107
    Abstract: Disclosed is a liquid transport material composed of a pulp fibers hydraulically needled into a nonwoven fibrous structure adapted to have a liquid transport value of at least 12 grams of liquid per gram of material over 30 minutes. The liquid transport material may contain up to about 50 percent, by weight, short staple length fibers as well as effective amounts of various particulates. The liquid transport material may be used as a liquid transport component of an absorbent structure which may be part of, for example, a personal care product. Also disclosed is a process of making a liquid transport material utilizing hydraulic needling techniques.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: September 1, 1998
    Assignee: Kimberly-Clark Corporation
    Inventors: Cherie Hartman Everhart, Ann Louise McCormack, Debra Nell Welchel
  • Patent number: 5786065
    Abstract: An abrasive nonwoven fibrous web material is produced by initially forming a nonabrasive precursor nonwoven fibrous web material having on a first planar surface thereof a substantially uniform distribution of attenuated meltable thermoplastic fibers, such as polypropylene fibers. The precursor web is heated sufficiently to cause the attenuated thermoplastic fibers therein to shrink and form nodulated fiber remnants that impart a roughened abrasive character to the planar surface of the resultant web material. The concentration of the abrasive fiber remnants decreases across the thickness of the web material from the abrasive planar surface toward the opposite planar surface of the web to provide an abrasive fiber remnant gradient across the web. The nodulated abrasive fiber remnants comprise about 10%-50% by weight of the total fiber content of the web material and exhibit an average particle size of at least about 100 micrometers.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: July 28, 1998
    Assignee: The Dexter Corporation
    Inventors: Vaughan R. Annis, John J. Walker, Scott H. Murdock
  • Patent number: 5783505
    Abstract: Compostable and biodegradable compositions of a blend of natural cellulosic and thermoplastic biodegradable fibers are disclosed. Typically the compositions include cotton and cellulose acetate. A process for the manufacture of a nonwoven composition which comprises a compostable blend of natural cellulosic fibers such as cotton and thermoplastic biodegradable fibers such as cellulose acetate; the blend is then carded to obtain the nonwoven composition.
    Type: Grant
    Filed: January 4, 1996
    Date of Patent: July 21, 1998
    Assignee: The University of Tennessee Research Corporation
    Inventors: Kermit E. Duckett, Gajanan S. Bhat, Hageun Suh
  • Patent number: 5733826
    Abstract: An insole for shoes is a three-dimensionally shaped laminate composed of two adhesive-free formed fabrics, the formed fabric on the foot side being thin and abrasion-resistant, and the thicker formed fabric forming the base material of the insole consisting of staple fibers, having a composition of 50-60% by weight of core/sheath-polyester/copolyester fibers with a melting range of the core component of 255.degree.-260.degree. C. and of the sheath component of 110.degree.-140.degree. C., 5-15% by weight of high-shrinkage polyester fibers, and 25-40% by weight of absorbent fibers. The base material has a mass per unit area of 800-1200 g/m.sup.2 with a thickness of 0.70-0.85 cm.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: March 31, 1998
    Assignee: Firma Carl Freudenberg
    Inventor: Dieter Groitzsch
  • Patent number: 5731083
    Abstract: Carboxymethyl cellulose fiber having a degree of substitution of at least 0.1, preferably 0.2-0.5, carboxymethyl groups per glucose unit is derived from solvent-spun cellulose fiber, for example by reaction with a strong alkali and a monochloroacetate reagent. The fiber has an absorbency of at least 8 grams, usually at least 15 grams, 0.9% saline solution per gram of fibre and a tenacity of at least 10, usually at least 15, cN/tex. It can be used for absorbent personal products.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: March 24, 1998
    Assignee: Courtaulds PLC
    Inventors: Hardev Singh Bahia, Jim Robert James
  • Patent number: 5726107
    Abstract: A non-wovens fabric of electret fibers having an improved charge stability and comprising materials which chiefly comprise a fiber-forming addition or condensation polymer and 0.01 to 30% by weight (preferably 0.01 to 10, in particular 0.1 to 5, % by weight), based on the weight of the material, of organic or organometallic charge control agents, wherein the non-woven fabric comprises at least two types of electret fiber which are made of different materials which differ from one another in that they comprise different fiber-forming addition or condensation polymers and if appropriate also different charge control agents is described.
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: March 10, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Jorg Dahringer, Ernst-August Albers, Werner Groh, Achim Heyer
  • Patent number: 5690529
    Abstract: An adsorber material for collecting, concentrating and/or recovering gaseous and/or particle-shaped trace substances from an air or gas flow, in which the adsorber material is composed of fibrous elements made of natural and/or synthetic, organic, textile fibers which are worked into a nonwoven web having a planar geometry, the nonwoven web having a thickness of between 100 .mu.m and 2 mm and a weight per unit area of between 20 and 200 g/m.sup.2. Preferably the fibers have a fiber size between 1 and 10 dtex and are composed of cellulose and/or polyester, and if desired, the fibers may be provided with a binding agent and/or a moisture resistance agent. In preferred embodiments the nonwoven adsorber web is a fiber mixture of 80 parts polyester fibers, 20 parts viscose rayon staple fibers, and 20 parts polyvinyl alcohol fibers or a fiber mixture of 50 parts viscose rayon staple fibers and 50 parts linters, which are provided with an epichlorohydrin resin binder.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: November 25, 1997
    Assignees: Securetec GmbH, Boehringer Mannheim GmbH
    Inventors: Helmut Oberpriller, Reinhold Hilpert, Florian Binder, Josef Ritter, Harald Ertl, Rolf Lerch, Reiner Schlipfenbacher, Ludwig Angermaier, Christian Klein
  • Patent number: 5667882
    Abstract: A fibrous structure including a carded web of fibers that have higher individual-fiber linear density and which exhibit a spring characteristic. The web is sprayed with glass fibers or continuous glass filaments that randomly spread out flat on the web, and the web is subsequently needle-punched through a surface thereof to drive the glass fiber or glass filaments through the thickness of the web such that the glass fibers or glass filaments emerge through an opposite surface of the web.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: September 16, 1997
    Assignee: Etablissements les Fils d'Auguste Chomarat et Cie
    Inventors: Andre Fourezon, Thierry Klethi
  • Patent number: 5609933
    Abstract: A ceremonial roll of material that can be easily unrolled and used is described. The roll contains a small layer or strip of releasable adhesive located on the floor surface of the roll within a starting end region of the roll. This adhesive is then pressed onto the floor itself before the roll is rolled down the aisle or walkway to be used. The adhesive will hold to the floor during the unrolling but can easily be removed by pulling up at an angle from the floor. The ceremonial roll may be made from a host of materials but a non-woven material made from long, natural and synthetic fibers and wherein the non-woven material is made from materials made from component fibers or other particles from polyesters, polypropylenes, polyamides, nylons, rayons, pulps, hemps, cottons, polyolefins and mixtures of two or more of these materials, is preferred. The ceremonial roll may also contain a plurality of adhesive strips within the starting end region to permit the roll to be placed over a set of stairs or steps.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: March 11, 1997
    Assignee: Hampshire Paper Corp.
    Inventor: Michael J. Stepanek