Patents by Inventor Christian Bottger
Christian Bottger 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: 20080185796Abstract: A pressure-medium actuated swivel motor includes a cylinder with closed ends and an inside surface with a pair of diametrically opposed axially extending ribs, and a motor shaft with a pair of diametrically opposed axially extending vanes, wherein the vanes and the ribs bound first and second pairs of diametrically opposed working chambers between the motor shaft and the cylinder. First and second pressure medium ports are connected to respective first and second pairs of working chambers, each pair being connected by an interconnection channel through the shaft. A movable separating element which divides a compensating space in the piston into a first and second compensating subspaces, wherein the first compensating subspace is connected to the first pair of working chambers, and the second compensating subspace is connected to the second pair of working chambers.Type: ApplicationFiled: January 31, 2008Publication date: August 7, 2008Applicant: ZF Friedrichshafen AGInventors: Christian Bottger, Rainer Beilner
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Patent number: 7354875Abstract: The invention relates to a fabric having both stab resistant and anti-ballistic properties. The fabric is made of yarn of a weight greater than about 500 dtex, and the fabric has a minimum shrinkage factor of at least about 1% achieved through a densification treatment. The invention further relates to a method of producing a such a fabric having the steps of agitating a fabric made of a yarn of a weight greater than about 500 dtex, substantially removing a spin finish from the fabric before, during or after the agitating step, and drying the fabric.Type: GrantFiled: February 4, 2003Date of Patent: April 8, 2008Assignee: Teijin Twaron GmbHInventors: David R. Hand, Rudiger Hartert, Christian Bottger
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Publication number: 20080029358Abstract: Presented is a vibration damper that includes an outer cylinder that includes a lateral surface, a pin-shaped fastening element that includes a stop surface, and a mounting coupled to the lateral surface. The mounting defines a through-hole that is configured to receive the pin-shaped fastening means and extends circumferentially with respect to the lateral surface. The mounting includes a formation that extends in a radial direction with respect to the cylinder. The formation cooperates with the outer cylinder to form a socket for the stop surface. The stop surface rests against the mounting in an axial direction of the pin-shaped fastening element.Type: ApplicationFiled: August 3, 2007Publication date: February 7, 2008Inventors: Christian Bottger, Josef Renn, Jorg Pagel, Klaus Stretz
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Publication number: 20060260436Abstract: Carbon brush comprising a base body produced from carbon material by pressing and optionally sintering and a layer of a metallic material applied to an outer surface of the base body by pressing and possibly sintering, the metal layer being connectable to a metallic carrier by welding or soldering.Type: ApplicationFiled: June 15, 2006Publication date: November 23, 2006Inventors: Gerhard Bachauer, Christian Bottger
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Patent number: 7132380Abstract: A penetration-resistant material having at least a double layer of woven fabric having a first layer of fabric composed of a first set of threads having 3.5 to 20 threads/cm, a linear density of at least 210 dtex, and at least 65% of the fabric weight, and a second set of threads having 0.5 to 16 threads/cm and a linear density of at least 50 dtex and a second layer of fabric composed of a first set of threads having 0.5 to 16 threads/cm and a linear density of at least 50 dtex, and a second set of threads having 3.5 to 20 threads/cm, a linear density of at least 210 dtex, and at least 65% of the fabric weight. In each layer, the second set are transverse to the first set and the ratio of the number of threads/cm of the second set to that of the first set is >1.Type: GrantFiled: March 8, 2002Date of Patent: November 7, 2006Assignee: Teijin Twaron GmbHInventors: Christian Böttger, Achim Fels, Christoph Baumgart, Bärbel Dorloff-Lumpe
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Publication number: 20060223398Abstract: A flexible penetration-resistant package is described, comprising a) at least one laminate consisting of at least one layer of yarns comprising fibers with a strength of at least 900 MPa as per ASTM D-885, wherein the layer of yarns is bound to at least one polymer continuum having a modulus of elasticity in extension of 5 to 1000 MPa as per ASTM D-882 and wherein the package has an outer surface facing the side under attack and an inner surface facing away from the side under attack, and b) a layer of compressible material, the layer arranged either on the inner surface of the package or at such a position in the package between the laminates that from this position the number of laminates toward the outer surface of the package is at least twice the number of laminates toward the inner surface. The package is used to produce protective clothing, in particular protective vests, suits, and mats.Type: ApplicationFiled: May 4, 2004Publication date: October 5, 2006Applicants: TEIJIN TWARON GMBH, F.LLI CITTERIO S.P.A.Inventors: Giorgio Citterio, Christian Bottger
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Publication number: 20060073753Abstract: A penetration-resistant material is described to include at least a double layer of woven fabric, wherein the double layer includes a first layer of fabric composed of a first set of threads having 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, and composing at least 65% of the fabric weight, and a second set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being transverse to the first set of threads, and the ratio of the number of threads/cm of the first set to that of the second set is >1, and a second layer of fabric composed of a first set of threads having 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, and a second set of threads having 3.Type: ApplicationFiled: September 2, 2003Publication date: April 6, 2006Applicant: Teijin Twaron GmbhInventors: Christian Bottger, Rudiger Hartert, Kurt Stolze, Achim Fels
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Patent number: 6890871Abstract: A penetration-resistant material is disclosed comprising at least one layer having a thickness D, the layer comprising a first and second layer of woven fabric, with the first and second layers being bonded together with an adhesive material, the first layer of fabric composed of a first set of threads comprising 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, the filaments forming the threads having a diameter F1, and comprising at least 65% of the fabric weight, and a second set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being at an angle of >0° to 90° with respect to the first set of threads, and the ratio of the number of threads/cm of the first set to that of the second set being >1, and the second layer of fabric being composed of a first set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, and a second set of threads comprising 3.Type: GrantFiled: March 8, 2002Date of Patent: May 10, 2005Assignee: Teijin Twaron GmbHInventors: Christian Böttger, Achim Fels
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Publication number: 20050066400Abstract: Protective clothing comprises at least one protective material including an array of one or more superposed layers of woven fabric, wherein each fabric layer is flexible and includes at least one fabric, made of yarns having a strength of at least 900 MPa, that is joined to at least one polymer film, and wherein the protective material has an outer surface facing the side of attack and an inner surface facing away from the side of attack, wherein the protective material also has at least one layer of felt, placed in every case on one of the fabric layers.Type: ApplicationFiled: October 19, 2002Publication date: March 31, 2005Inventors: Christian Bottger, Joe Krummel
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Publication number: 20040096708Abstract: A penetration-resistant material is disclosed comprising at least one layer having a thickness D, the layer comprising a first and second layer of woven fabric, with the first and second layers being bonded together with an adhesive material, the first layer of fabric composed of a first set of threads comprising 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, the filaments forming the threads having a diameter F1, and comprising at least 65% of the fabric weight, and a second set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being at an angle of >0° to 90° with respect to the first set of threads, and the ratio of the number of threads/cm of the first set to that of the second set being >1, and the second layer of fabric being composed of a first set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, and a second set of threads comprising 3.Type: ApplicationFiled: July 22, 2003Publication date: May 20, 2004Inventors: Christian Bottger, Achim Fels
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Publication number: 20040082242Abstract: The invention pertains to a penetration-resistant material comprising at least a double layer of woven fabric, characterized in that the double layer comprises a first layer of fabric composed of a first set of threads comprising 3.5 to 20 threads/cm, having a linear density of at least 210 dtex, and comprising at least 65% of the fabric weight, and a second set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being transverse to the first set of threads, and the ratio of the number of threads/cm of the first set to that of the second set is >1, and a second layer of fabric composed of a first set of threads comprising 0.5 to 16 threads/cm and having a linear density of at least 50 dtex, and a second set of threads comprising 3.Type: ApplicationFiled: September 8, 2003Publication date: April 29, 2004Inventors: Christian Bottger, Achim Fels, Christoph Baumgart, Barbel Dorloff-Lumpe
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Publication number: 20040023580Abstract: The invention relates to a fabric having both stab resistant and anti-ballistic properties. The fabric is made of yarn of a weight greater than about 500 dtex, and the fabric has a minimum shrinkage factor of at least about 1% achieved through a densification treatment. The invention further relates to a method of producing a such a fabric having the steps of agitating a fabric made of a yarn of a weight greater than about 500 dtex, substantially removing a spin finish from the fabric before, during or after the agitating step, and drying the fabric.Type: ApplicationFiled: February 4, 2003Publication date: February 5, 2004Applicant: TEIJIN TWARON GMBHInventors: David R. Hand, Rudiger Hartert, Christian Bottger
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Patent number: 6662369Abstract: The present invention is a stab-resistant material made from at least two woven fabrics joined using a polymer film. The woven fabrics are made from yarns having a tensile strength of at least 900 MPa. The polymer film joining the woven fabrics has a tensile strength of at least 10 MPa and a flexural modulus of 1500 to 4500 MPa.Type: GrantFiled: February 5, 2001Date of Patent: December 16, 2003Assignees: Aramid Products GmbH, FMS Enterprises Ltd.Inventors: Yuval Fuchs, Christian Böttger, Achim Fels
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Patent number: 6656570Abstract: Protective clothing for protection against puncture injuries is constructed from more than one layer of a fabric coated with hard solids. The hard solids are applied in accordance with abrasives technology. This protective clothing offers equally good protection against both knife- and needle-like puncture implements. For clothing intended to protect against puncture and projectile injuries, a package of 2-20 layers of a fabric coated with hard solids is combined with a package of 6-50 layers of an uncoated aramid woven fabric.Type: GrantFiled: August 8, 2000Date of Patent: December 2, 2003Assignee: Teijin Twaron GmbHInventors: Achim Fels, Christian Bottger, Wolfgang Polligkeit, Steffen Neu, Christoph Klingspor
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Patent number: 6610618Abstract: The invention pertains to a penetration-resistant material having at least a double layer of fabric composed of two layers of woven fabric which are cross-plied at an angle, characterized in that the fabric is composed of a first set of threads having 3.5 to 20 threads/cm and having a linear density of at least 420 dtex, and a second set of threads having 0.5 to 8 threads/cm and having a linear density of at least 50 dtex, with the second set of threads being transverse to the first set of threads, and wherein the ratio of the linear density of the first set of threads to the linear density of the second set of threads is >4.2, more preferably >7.5. In a preferred embodiment, the first set of threads is warp threads made of p-aramid yarn and the second set of threads is weft threads of polyester yarn, and the ratio of the number of threads/cm of the first set to that of the second set is >1.Type: GrantFiled: August 30, 2001Date of Patent: August 26, 2003Assignee: Teijin Twaron GmbHInventors: Christian Bottger, Achim Fels, Barbel Dorloff-Lumpe, Christoph Baumgart
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Publication number: 20030109188Abstract: A laminated fabric for penetration resistant e.g. ballistic applications. The fabric comprising a fabric of penetration resistant yarns having a linear density in the range from 100 to 700 dtex, said yarns being woven in a satin weave. The woven fabric is coated on at least one-side with a polymeric material in a micro-lamination process, the coating material being from 0.Type: ApplicationFiled: December 27, 2002Publication date: June 12, 2003Inventors: Rudiger Hartert, Christian Bottger, Achim Fels, Michael J Buckstein, Shekoufeh Shahkarami, Andre Ennemond Beth, David Verlin Cunningham
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Publication number: 20010031593Abstract: The present invention is a stab-resistant material made from at least two woven fabrics joined using a polymer film. The woven fabrics are made from yams having a tensile strength of at least 900 MPa. The polymer film joining the woven fabrics has a tensile strength of at least 10 MPa and a flexural modulus of 1500 to 4500 MPa.Type: ApplicationFiled: February 5, 2001Publication date: October 18, 2001Inventors: Yuval Fuchs, Christian Bottger, Achim Fels