Patents by Inventor George Riboulet
George Riboulet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20170182735Abstract: A microfiber nonwoven composite has a first and a second fiber component arranged in form of alternating layers, wherein—at least a first layer A has the first fiber component in form of composite filaments melt-spun and deposited as a nonwoven fabric which are at least partially slit and solidified to form elementary filaments having an average titer of less than 0.1 dtex, preferably between 0.03 dtex and 0.06 dtex,—at least one layer B is arranged over layer A, wherein the layer B has the second fiber component in form of fibers deposited and solidified as a nonwoven fabric having an average titer of from 0.1 to 3 dtex—at least one second layer A is arranged on layer B.Type: ApplicationFiled: January 15, 2015Publication date: June 29, 2017Inventors: Robert Groten, Andreas Eisenhut, Georges Riboulet, Wolfgang Neithardt, Peter Dengel
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Patent number: 8999868Abstract: 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: GrantFiled: March 17, 2011Date of Patent: April 7, 2015Assignee: Freudenberg Politex SA (Societe Anonyme)Inventors: Frédéric Rosé, Georges Riboulet, Massimo Migliavacca, Jean-Marc Losser, Robert Groten
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Patent number: 8382926Abstract: 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: GrantFiled: July 2, 2008Date of Patent: February 26, 2013Assignee: Carl Freudenberg KGInventors: Robert Groten, Ulrich Jahn, Georges Riboulet, Michael Hess, Ameur Abdelkader
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Publication number: 20110230112Abstract: This invention has as its object a non-woven product that contains organic and/or mineral particles and its process for production.Type: ApplicationFiled: March 17, 2011Publication date: September 22, 2011Applicant: FREUDENBERG POLITEX SAInventors: Frédéric ROSÉ, Georges RIBOULET, Massimo MIGLIAVACCA, Jean-Marc LOSSER, Robert GROTEN
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Patent number: 8021997Abstract: A multicomponent spunbonded nonwoven is provided which is composed of at least two polymers which form interfaces toward one another, which are produced by at least one spinning machine having uniform spinning nozzle apertures, and which are hydrodynamically drawn, lapped in a sheet-like manner, and bonded, the multicomponent spunbonded nonwoven being composed of different filaments which contain at least two polymers, or it being composed of a mixture of multicomponent filaments and monocomponent filaments which each contain only one of the polymers, the multicomponent filament being composed of at least two elementary filaments and the titer of the individual filaments varying by the number of elementary filaments contained in the filaments.Type: GrantFiled: July 20, 2005Date of Patent: September 20, 2011Assignee: Carl Freudenberg KGInventors: Robert Groten, Ulrich Jahn, Georges Riboulet
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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: 20070184741Abstract: The invention relates to non-woven fabrics comprising threads not produced with the spun-bonding method, for example made of non-melt spinnable thread-forming materials. The use of these fibers, optionally in combination with filaments produced using the spun-bonding method, allows the production of novel non-woven fabrics with novel property combinations. The production can be carried on conventional spun-bonding equipment, wherein part of the extruding devices are used as conveyors for the threads not produced with the spun-bonding method.Type: ApplicationFiled: August 2, 2006Publication date: August 9, 2007Applicant: CARL FREUDENBERG KGInventors: Robert Groten, Christoph Josefiak, Georges Riboulet, Peter Dengel
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Publication number: 20060019570Abstract: A multicomponent spunbonded nonwoven is provided which is composed of at least two polymers which form interfaces toward one another, which are produced by at least one spinning machine having uniform spinning nozzle apertures, and which are hydrodynamically drawn, lapped in a sheet-like manner, and bonded, the multicomponent spunbonded nonwoven being composed of different filaments which contain at least two polymers, or it being composed of a mixture of multicomponent filaments and monocomponent filaments which each contain only one of the polymers, the multicomponent filament being composed of at least two elementary filaments and the titer of the individual filaments varying by the number of elementary filaments contained in the filaments.Type: ApplicationFiled: July 20, 2005Publication date: January 26, 2006Applicant: Carl Freudenberg KGInventors: Robert Groten, Ulrich Jahn, Georges Riboulet
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Publication number: 20050233665Abstract: The present invention relates to a textile light-protective material composed of a microfilament non-woven fabric having a mass per unit area of 20 to 300 g/m2, in which the non-woven fabric is made of melt-spun and drawn multicomponent continuous filaments having a titer of 1.5 to 5 dtex that are deposited immediately to form a non-woven material and at least 80% of the multicomponent continuous filaments, after an optional pre-bonding, are split to form continuous microfilaments having a titer of 0.05 to 2.0 dtex and are bonded.Type: ApplicationFiled: June 6, 2005Publication date: October 20, 2005Applicant: Carl Freudenberg KGInventors: Robert Groten, Linda Mooshian, Georges Riboulet
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Patent number: 6830809Abstract: A splittable yarns, fiber or filaments and a method and device for their production. The yarns, fiber or filaments includes at least two elementary filaments of a first polymer A and each second elementary filament is sheathed with a second polymer B.Type: GrantFiled: September 25, 2003Date of Patent: December 14, 2004Assignee: Carl Freudenberg KGInventors: Engelbert Loecher, Helmut Leiner, Robert Groten, Georges Riboulet
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Publication number: 20040235382Abstract: A mat for the computer input device known as a mouse (mouse pad) has at least one woven or knit layer or one layer of non-woven fabric made of bi-component or multi-component fibers or filaments split to form microfibers or microfilaments. The splitting is performed by high-pressure fluid jet treatment of the surface.Type: ApplicationFiled: May 19, 2004Publication date: November 25, 2004Applicant: Carl Freudenberg KGInventors: Robert Groten, Georges Riboulet, Ulrich Jahn
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Publication number: 20040222545Abstract: A method for manufacturing a fabric from at least partially split yarns, fibers or filaments, which are formed from at least two elementary filaments and originate from a common spinneret, and are formed into one fabric, which is compressed at a temperature between the glass transition temperature (Tg) and the melting temperature of the polymer(s) employed to a density of at least 10% of the density of the polymer(s) used, so that, under the subsequent action of further mechanical forces, at least a partial splitting into the elementary filaments takes place.Type: ApplicationFiled: December 9, 2003Publication date: November 11, 2004Applicant: Carl Freudenberg KGInventors: Denis Reibel, Delphine Guigner, Georges Riboulet, Robert Groten, Ulrich Jahn
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Publication number: 20040104116Abstract: The invention relates to yarns, fibres or filaments that can be fibrillated and to a method and device for their production. According to the invention, said yarns, fibres or filaments consist of at least two elementary filaments of a polymer A and each second elementary filament is sheathed with the polymer B.Type: ApplicationFiled: September 25, 2003Publication date: June 3, 2004Inventors: Engelbert Loecher, Helmut Leiner, Robert Groten, Georges Riboulet
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Publication number: 20040089972Abstract: The invention relates to a method for producing monocomponent-microfilaments comprised of multiple component filaments, particularly bi-component filaments, which are produced in a melt spinning method, whereby one of the components is melted out of the multiple component filaments by effecting a thermal treatment using a melt fluid.Type: ApplicationFiled: December 24, 2003Publication date: May 13, 2004Inventors: Denis Reibel, Robert Groten, Georges Riboulet
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Publication number: 20030153224Abstract: The present invention relates to a textile light-protective material composed of a microfilament non-woven fabric having a mass per unit area of 20 to 300 g/m2, in which the non-woven fabric is made of melt-spun and drawn multicomponent continuous filaments having a titer of 1.5 to 5 dtex that are deposited immediately to form a non-woven material and at least 80 % of the multicomponent continuous filaments, after an optional pre-bonding, are split to form continuous microfilaments having a titer of 0.05 to 2.0 dtex and are bonded.Type: ApplicationFiled: January 30, 2003Publication date: August 14, 2003Inventors: Robert Groten, Linda Mooshian, Georges Riboulet
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Publication number: 20030148096Abstract: The invention relates to a composite material, made from a microfilament nonwoven fabric having a mass per unit area of 40 to 200 g/m2, in which a nonwoven fabric, which is made from melt-spun, drawn, multi-component endless filaments having a titer of 1.5 to 5 dtex and directly laid up to form a fibrous web, and in which the multi-component endless filaments, optionally after prebonding, are split at least to 80% to form micro-endless filaments having a titer of 0.1 to 1.2 dtex and bonded, is bonded to a thermoplastic synthetic material using an injection-molding process.Type: ApplicationFiled: November 11, 2002Publication date: August 7, 2003Inventors: Robert Groten, Matthias Schuster, Georges Riboulet
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Publication number: 20030034585Abstract: A stretching device and method of manufacturing stretched synthetic filaments (2, 3) includes a spinning device (1) and a pneumatic drawing-off device (10). A heating device (5) is situated between the spinning device (1) and the drawing-off device (10) which heats the filaments (2, 3) to a temperature between their glass-transition temperature and their melting temperature.Type: ApplicationFiled: August 5, 2002Publication date: February 20, 2003Inventors: Engelbert Locher, Helmut Leiner, Robert Groten, Peter Dengel, George Riboulet
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Publication number: 20020117254Abstract: Method and apparatus for producing multi-segmented filaments are provided. In one embodiment a first polymer material is passed into a die, the first polymer material and the die being maintained under predetermined rheological conditions. Next, the first polymer material is extruded through a plurality of die openings in the die, the die openings arranged in a group, the group configured to form at least two elementary filaments. Then, the two elementary filaments are connected to one another by adhesion contact to form a multi-segmented filament. In another embodiment a die for producing multi-segmented filaments is provided. This die comprises a polymer source maintaining a polymer under predetermined rheological conditions.Type: ApplicationFiled: February 28, 2002Publication date: August 29, 2002Inventors: Robert Groten, Jean Baravian, Georges Riboulet
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Patent number: 6402870Abstract: Method and apparatus for producing multi-segmented filaments are provided. In one embodiment a first polymer material is passed into a die, the first polymer material and the die being maintained under predetermined rheological conditions. Next, the first polymer material is extruded through a plurality of die openings in the die, the die openings arranged in a group, the group configured to form at least two elementary filaments. Then, the two elementary filaments are connected to one another by adhesion contact to form a multi-segmented filament. In another embodiment a die for producing multi-segmented filaments is provided. This die comprises a polymer source maintaining a polymer under predetermined rheological conditions.Type: GrantFiled: February 29, 2000Date of Patent: June 11, 2002Assignee: Firma Carl FreudenbergInventors: Robert Groten, Jean Baravian, Georges Riboulet
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Patent number: 6164950Abstract: Rectangular or round spinning nozzle packs for extruding thermoplastic filaments each have both melt channels and orifices for the higher melting polymer compound and also melt channels with orifices through which is passed a polymer compound that melts at a temperature 5 to 50.degree. C. lower. Variously designed insulation channels thermally separate these melt channels, which are operated at different temperatures.Type: GrantFiled: January 8, 1999Date of Patent: December 26, 2000Assignee: Firma Carl FreudenbergInventors: Detlef Barbier, Engelbert Locher, Norbert Goffing, Jean Baravian, Peter Pfortner, Georges Riboulet, Milton Williams