With Treatment Patents (Class 28/122)
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Publication number: 20150132524Abstract: A nonwoven industrial textile for conveying in an industrial process, seaming elements and methods of manufacture. The textile comprises at least first and second layers of film. Each layer comprises protrusions separated by land areas and each defining an aperture for a flow path through the layer. For at least one of the layers, the protrusions comprise a first set having first and second ends integral with contiguous land areas, and at least a second set of protrusions each comprising a first end integral with a contiguous land area and an opposing second end having a configuration selected from a detached free end; and a weakened end portion integral with but detachable from a contiguous land area in response to strain. The construction allows for relative movement of the layers during travel over machine components such as rolls, reducing internal strain and risk of delamination.Type: ApplicationFiled: June 18, 2013Publication date: May 14, 2015Inventor: Allan R. Manninen
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Publication number: 20140290017Abstract: A method for fabricating a glass fiber-based structure comprises steps: using glass fiber as material; using a fiber opening machine to disperse the glass fiber to make them loose; using a carding machine to card the dispersed glass fiber to make them finer and more even; using a fiber gathering machine to gather the carded glass fiber at a specified thickness and width; using a needle punching machine to punch the gathered glass fiber to fabricate the glass fiber into a glass-fiber felt; applying a resin to the glass-fiber felt to form a resined layer; compressing the resined glass-fiber felt to compact the glass-fiber felt in a fixed shape; and drying the fixed glass-fiber felt in a dryer to form a glass fiber-based structure, which is light but has a great thickness and a low density, and is sound-absorbing, sound-insulating, heat-resistant, heat-insulating, heat-preserving, cold-preserving, fireproof, and electricity-insulating.Type: ApplicationFiled: April 2, 2013Publication date: October 2, 2014Applicant: HSU TAI GLASS FIBER CO., LTD.Inventor: CHUN-HSU CHIEN
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Publication number: 20140227474Abstract: This present invention relates to a multilayered fabric consisting of several twin layers, whereby each twin layers is constructed from two layers, namely one layer from structurally arranged reinforcement fibres Vo, Vm and Vu such as for example carbon fibres, and one layer from structurally arranged thermoplastic matrix fibres M1 and M2, such as for example PEEK fibres. Several twin layers are connected with binder fibre B. Additionally the invention comprises use of the multilayer fabric as a semi-finished product and for manufacture of composites plus a process for manufacture of composites using a special multilayered fabric with an “Advanced Synchron Weave” zero crimp fabric structure (FIG. 1).Type: ApplicationFiled: May 18, 2012Publication date: August 14, 2014Applicant: C. CRAMER, WEBEREI, HEEK-NIENBORG, GMBH & CO. KGInventor: Johannes Cramer
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Patent number: 8782861Abstract: The invention relates to an apparatus for compacting a material web made of fibers and/or filaments, comprising a first revolving endless belt which carries the material web and is tensioned around guide rollers, and a second endless belt which is tensioned around guide rollers and revolves counter to the first belt at the same speed, wherein the first and second endless belts form a conical compacting region in a first region in the conveying direction of the material web and run at an angle with respect to each other, whereby the material web located between the belts is increasingly pressed, wherein subsequent to the first region a first nozzle beam is disposed for a first fluid application onto the material web still located between the two endless belts, wherein the two belts in this region of the first fluid application are in each case guided to run in a tensioned manner in a straight direction.Type: GrantFiled: March 25, 2010Date of Patent: July 22, 2014Assignee: Truetzschler Nonwovens GmbHInventor: Ullrich Muenstermann
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Patent number: 8696346Abstract: A counterband tape for use in the heat setting tunnel of a carpet yarn heat setting machine. The tape is constructed from polyphenylene sulfide yarns. The counterband tape may be formed as a single layer woven fabric with a twill weave construction. The tape also may include a herringbone pattern.Type: GrantFiled: February 6, 2008Date of Patent: April 15, 2014Assignee: Habasit AGInventor: Vinod Kumar Chahal
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Publication number: 20130112070Abstract: Embodiments of the present invention provide medical devices for treating a target site within the body and associated methods for fabricating and delivering medical devices. According to one embodiment, a medical device includes a tubular structure having proximal and distal ends and a side wall extending therebetween. At least a portion of the side wall can have a corrugated surface. The side wall further includes at least one layer of a metallic fabric configured to be compressed and heat set to define the corrugated surface. The tubular structure may comprise an expanded shape, and may be configured to be constrained to a smaller diameter than the expanded shape for delivery within a catheter to a target site and to assume the expanded shape upon release from the catheter.Type: ApplicationFiled: December 10, 2012Publication date: May 9, 2013Applicant: AGA MEDICAL CORPORATIONInventor: AGA Medical Corporation
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Publication number: 20120235438Abstract: The invention relates to an anti-slip insert mat having a carrier layer and a textile catching layer formed of filaments/fibers, wherein the catching layer has raised regions and compressed regions of lower height, wherein the raised regions are formed by free ends of the fibers and the compressed regions of the catching layer are formed by permanently pressing the free ends of the fibers.Type: ApplicationFiled: August 27, 2010Publication date: September 20, 2012Applicant: IDEAL AUTOMOTIVE GMBH BAMBERGInventors: Hubert Röding, Björn Fischer
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Publication number: 20120231946Abstract: A method for thinning an aggregate of water-absorbent materials. An aggregate of water-absorbent materials includes hydrophilic fibers and superabsorbent polymer particles and has a thickness direction. Steam at a temperature corresponding to water's boiling point or higher is ejected to the aggregate while the aggregate is compressed in the thickness direction.Type: ApplicationFiled: November 17, 2010Publication date: September 13, 2012Applicant: UNI-CHARM CORPORATIONInventors: Hiroki Goda, Satoshi Mizutani
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Publication number: 20110132372Abstract: An intra-nasal air filtration device includes a filter material. The filter material is sized to fit a nasal vestibule of a user, is resilient such that it expands after compression for insertion into the nasal vestibule, and blocks passage of airborne particles while permitting passage of air during inhalation by the user. The filter material preferably includes a plurality of synthetic fibers. In some embodiments, the filter material has a density and texture similar to that of a natural sea sponge. In some embodiments, particles of activated charcoal are bonded to the fibers and a synthetic fabric is bonded to at least a portion of an outer surface of the synthetic fibers. A method of manufacturing an intra-nasal air filtration device, a method of filtering airborne particles from an air stream, and a method of enhancing breathing of an individual are also disclosed.Type: ApplicationFiled: December 7, 2009Publication date: June 9, 2011Inventor: William Goodhew
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Patent number: 7587798Abstract: The machine for the production of a nonwoven comprises an expanding device which is arranged in-between a first consolidation by water jets and a second consolidation.Type: GrantFiled: May 9, 2005Date of Patent: September 15, 2009Assignee: Rieter PerfojetInventors: Andre Michalon, Frederic Noelle
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Patent number: 7523532Abstract: A non-woven acoustic sleeve and method of construction thereof provides routing and protection for elongate members and suppression of noise generation from the elongate members while in the sleeve. The sleeve has an elongate wall with opposite sides that are self-wrapping about a longitudinal axis to define a generally tubular cavity. The opposite sides are extendable away from one another under an externally applied force to allow the elongate members to be disposed radially into or removed from the cavity. When the external force is released, the opposite sides of the wall to return to their self wrapped configuration to enclose the elongate members and suppress noise therefrom.Type: GrantFiled: April 9, 2007Date of Patent: April 28, 2009Assignee: Federal Mogul World Wide, Inc.Inventors: Hiroki Yamaguchi, Tomonori Inamura, Koushiro Hashimoto
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Patent number: 7392575Abstract: The invention concerns a machine for producing a nonwoven fabric comprising a conveyor for transmitting a mat to means designed to compact same in thickness and means designed to reduce the speed of the web while it is being compacted, by the compacting means, thereby obtaining an enhanced ratio of properties lengthwise relative to crosswise properties.Type: GrantFiled: October 7, 2003Date of Patent: July 1, 2008Assignee: Rieter PerfojetInventor: Frédéric Noelle
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Patent number: 7131171Abstract: A method for restoring bulkiness of nonwoven fabric which contains crimped thermoplastic fiber and is in a roll form is disclosed. The method comprises unwinding the nonwoven fabric from the stock roll, and blowing hot air to the unwound nonwoven fabric by a through-air technique to make the nonwoven fabric increase in bulkiness. The hot air is heated at a temperature lower than the melting point of the thermoplastic fiber and not lower than a temperature lower than that melting point by about 50° C., and is blown for about 0.05 to 3 seconds.Type: GrantFiled: September 24, 2003Date of Patent: November 7, 2006Assignee: Kao CorporationInventors: Takanobu Miyamoto, Wataru Saka, Yasuhiro Komori, Koji Asano, Manabu Kaneta
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Patent number: 6588080Abstract: A lofty, nonwoven material having a nonwoven web having a plurality of substantially continuous fibers oriented in a z-direction of the nonwoven web and a method for producing the lofty, nonwoven material from as-formed z-direction fibers. The method is fast, having no mechanical manipulation of the fibers to slow it down, easily adjustable and allows for in-line processing. The material can be varied from preponderantly open to preponderantly closed in its web structure.Type: GrantFiled: March 30, 2000Date of Patent: July 8, 2003Assignee: Kimberly-Clark Worldwide, Inc.Inventors: James Richard Neely, Edward Jason White, Kurtis Lee Brown, John Herbert Conrad, Richard Wallace Hoefer
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Publication number: 20020152594Abstract: The invention relates to a method for producing woven fabrics, especially airbag woven fabrics, while using a multiphase weaving machine with the following steps: weaving a fabric comprised of filament threads in warp and weft on the multiphase weaving machine, whereby a high shrinking type of yarn is used as the warp and an average to low shrinking type of yarn is used as the weft, and finishing the woven fabric by hydroshrinking and/or thermoshrinking.Type: ApplicationFiled: March 19, 2002Publication date: October 24, 2002Inventors: Johann Berger, Holger Saint-Denis
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Publication number: 20010055682Abstract: 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: ApplicationFiled: June 28, 2001Publication date: December 27, 2001Inventors: Albert E. Ortega, R. Wayne Thomley, Jan MacKey
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Patent number: 6298529Abstract: A method for forming and conditioning insulating felts of fibrous products whereby an insulating blanket is transported continuously on a transporting device, the insulating blanket is cut into a plurality of fiber strips, the fiber strips are driven by at least one branching-off and convergence device towards at least one reception conveyor, the fiber strips are superposed one on top of another so as to form at least one longitudinal stack, the at least one longitudinal stack is compressed by a compression device, and the compressed stack is cross cut to form the insulating felts. Such a method is implemented on a device including a transporting device, a longitudinal cutting device, at least one branching-off and convergence device, at least one reception conveyor, a compression device, and a cross-cutting device.Type: GrantFiled: October 12, 2000Date of Patent: October 9, 2001Assignee: Saint-Gobain IsoverInventors: Jean-Yves Aube, Bernard Bichot, Bernard Louis
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Patent number: 5783505Abstract: 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: GrantFiled: January 4, 1996Date of Patent: July 21, 1998Assignee: The University of Tennessee Research CorporationInventors: Kermit E. Duckett, Gajanan S. Bhat, Hageun Suh
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Patent number: 5718022Abstract: A web of non woven textile fabric is fed on a porous belt into the nip between the belt and a rotating porous drum to compress the web within the nip. A curtain of water is passed through the web while it is in the nip into the drum and a vacuum is drawn on the drum to remove the water. The web, after passing the nip remains upon the drum and is subject to one or more high pressure jets of water to entangle the web fibers.Type: GrantFiled: September 27, 1996Date of Patent: February 17, 1998Assignee: ICBT PerfojetInventor: Andre Vuillaume
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Patent number: 5593746Abstract: An improved thermally insulating batt particularly designed for use as filling material for winter apparel, quilts, sleeping bags and the like, is produced by first preparing carded webs consisting of natural or synthetic fibers, plying several webs to form a batt, and then subjecting this batt to a subsequent resin treatment, on at least one face thereof, by using specific cross-linked glues. The resin treated batt is then calendered, under controlled temperature and pressure conditions, so as to obtain, on its surface, a soft, resilient and heat-sensitive film and, in the interior, an air chamber so as to provide a low thermal exchange coefficient and a proper control of the body temperature.Type: GrantFiled: April 29, 1994Date of Patent: January 14, 1997Inventors: Lucio Siniscalchi, Marciano Siniscalchi
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Patent number: 5345739Abstract: Edge protective tape, on a package consisting of two predecorated wallboards, partially adhered to the wallboard back faces, forms pockets in non-adhered areas, into which wallboard mounting clips can be inserted.Type: GrantFiled: June 4, 1993Date of Patent: September 13, 1994Assignee: National Gypsum CompanyInventor: Robert J. Menchetti
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Patent number: 5296278Abstract: A gastight woven fabric sheet for air bags having no risk of burning a person due to formation of gas-permeable perforations and gas flowing out when the air bag is inflated, a high burst strength due to a reinforcing effect by adhesion, and a satisfactory feel, comprising a woven fabric composed of a plurality of warps and wefts each comprising a polyester multifilament having a yarn thickness of 200 to 550 deniers and a twist multiplier of 3,000 or less, and having a smooth surface formed by a calendering and a non-smoothed opposite surface thereof, the woven fabric having a gas-permeability function (ml/cm.sup.2 /sec) of 7.874 p to 78.74 p (wherein p is a pressure between 0 to 0.03 kg/cm.sup.Type: GrantFiled: May 27, 1993Date of Patent: March 22, 1994Assignee: Teijin LimitedInventors: Kunio Nishimura, Hideo Nakagawa, Nobuo Takahashi, Kiyoshi Maruo
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Patent number: 5269994Abstract: Thermally bonding nonwoven fabrics having superior tensile stength without decreased absorbency are prepared by supplying a web to a hot calender bonding system and passing the resulting calendered web to a hot-air bonding system.Type: GrantFiled: April 10, 1992Date of Patent: December 14, 1993Assignee: BASF CorporationInventors: Forrest Deffenbaugh, David B. Christopher
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Patent number: 4999232Abstract: Improved stretchable battings of differentially-shrinkable bicomponent staple fibers are obtained by cross-lapping webs, e.g. from cards, garnets or the like machines, at an angle that determines and controls the degrees of stretch in the machine direction (MD) and cross direction (XD), and then inducing helical crimp in the bicomponent fibers on account of their differential shrinkage. Such batts are especially useful in apparel.Type: GrantFiled: March 16, 1990Date of Patent: March 12, 1991Assignee: E. I. du Pont de Nemours and CompanyInventor: Martin D. LeVan
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Patent number: 4454189Abstract: This invention relates to a sheet which is formed by randomly dispersing and accumulating polyphenylene sulfide (PPS) filaments and to a process for producing the same. The filaments drawn by a high-velocity air stream are formed directly into a sheet. The sheet is useful as industrial filters, heat insulating materials, electrical insulating materials, etc. because of its outstanding chemical resistance, heat resistance, and electrical insulating properties.Type: GrantFiled: February 8, 1982Date of Patent: June 12, 1984Assignee: Toray Industries, Inc.Inventor: Shunsuke Fukata
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Patent number: 4300968Abstract: A method for bonding an unbonded fibrous web of natural and/or synthetic fibers by means of a binder which is cured by exposure to UV light, wherein the fibrous web is first compressed, smoothed, and heated, then one or both surfaces of the web is printed with a pattern of a prepolymer binder having a viscosity of from about 500 to 5000 centipoise and the prepolymer binder is cured by exposing the printed fibrous web to ultraviolet light.Type: GrantFiled: December 18, 1979Date of Patent: November 17, 1981Assignee: Firma Carl FreudenbergInventors: Walter Fottinger, Bohuslav Tecl, Erich Fahrbach
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Patent number: 4146417Abstract: A method for producing a resin-bonded nonwoven fabric comprising forming a fibrous web, compressing the web to provide fiber to fiber contact, applying a polymerizable binder to the fibrous web and treating the web with the binder thereon with ionizing radiation to produce a resin bonded nonwoven fabric.Type: GrantFiled: September 16, 1977Date of Patent: March 27, 1979Assignee: Johnson & JohnsonInventors: Arthur H. Drelich, David G. Oney
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Patent number: 4119447Abstract: Fibres in a web are redistributed by ultrasonic vibration between two rigid members, for example to unite two webs together or to create a pattern of fibre orientation and fibre density; and preferably one of the members is a forwarding roll which forwards the web into a zone of increasing vibration in which fibres are bonded after redistribution.Type: GrantFiled: April 4, 1977Date of Patent: October 10, 1978Assignee: Imperial Chemical Industries LimitedInventors: Peter Manfrid Ellis, Charles Martin Lester