Patents by Inventor Roland Fietz
Roland Fietz 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: 20210395453Abstract: An aliphatic polyketone compound including 85.0 to 99.5 wt % aliphatic polyketone and 0.5 to 15.0 wt % ultra-high molecular weight polyethylene. An aliphatic polyketone compound described where the ultra-high molecular weight polyethylene is 2.0 to 8.0 wt %. An aliphatic polyketone compound where the ultra-high molecular weight polyethylene has a molecular weight greater than 1.0 million g/mol.Type: ApplicationFiled: October 2, 2019Publication date: December 23, 2021Inventors: Bjoern Hellbach, Marco Sutter, Roland Fietz, Thomas Schauber
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Publication number: 20190285182Abstract: A seal ring in the form of a grooved ring for sealing a movable machine element toward a stationary housing includes: a radially inner axial leg with a dynamic sealing edge; a radially outer axial leg with a static sealing edge; and a radial leg connecting the two axial legs. The seal ring is produced from a thermoplastic material. A recess is formed between the two axial legs and the radial leg. The radially inner axial leg has, on a surface of the radially inner axial leg on a machine element side, a rounded transition to a surface of the radial leg that faces away from a pressure.Type: ApplicationFiled: January 15, 2019Publication date: September 19, 2019Inventors: Sascha Moeller, Roland Fietz, Michael Groesch, Juergen Jaeckel, Gonzalo Barillas
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Patent number: 9856916Abstract: A seal having a substantially H-shaped sealing profile.Type: GrantFiled: December 4, 2013Date of Patent: January 2, 2018Assignee: CARL FREUDENBERG KGInventors: Roland Fietz, Andreas Palmer
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Publication number: 20150316152Abstract: A seal having a substantially H-shaped sealing profile.Type: ApplicationFiled: December 4, 2013Publication date: November 5, 2015Applicant: CARL FREUDENBERG KGInventors: Roland FIETZ, Andreas PALMER
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Publication number: 20130234402Abstract: A seal includes at least one sealing profile (1.1, 1.2, 1.3) with at least one sealing lip (2.1, 2.2, 2.3) and at least one hook-shaped claw connector (3.1, 4.2, 3.3, 4.3), which, when viewed in the cross-section of the sealing profile (1.1, 1.2, 1.3), is adjacent to the sealing lip (2.1, 2.2, 2.3).Type: ApplicationFiled: September 16, 2011Publication date: September 12, 2013Applicant: CARL FREUDENBERG KGInventor: Roland Fietz
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Patent number: 7857322Abstract: The present invention provides a sealing ring having at least eight sealing edges. Sealing rings, such as O-ring seals, are generally known. These universal sealing rings can be used for statically or dynamically sealing machine elements. They have the advantage of being suited for a wide variety of possible applications, and of being simple and cost-effective to manufacture.Type: GrantFiled: March 23, 2007Date of Patent: December 28, 2010Assignee: Carl Freudenberg KGInventor: Roland Fietz
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Patent number: 7736065Abstract: A supporting disk for providing bearing support to a rotor of an open-end spinning machine, the supporting disk including a bearing ring and a supporting ring which is made of an elastic polymeric material and mounted on the periphery of the bearing ring. The bearing ring has a side ring on at least one of the sides of its outer edge. The side ring is located at a distance from the outer edge, connected to the bearing ring via holding members, and is also provided with a supporting ring on its periphery.Type: GrantFiled: April 26, 2007Date of Patent: June 15, 2010Assignee: Carl Freudenberg KGInventor: Roland Fietz
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Publication number: 20090014963Abstract: The present invention provides a sealing ring having at least eight sealing edges. Sealing rings, such as O-ring seals, are generally known. These universal sealing rings can be used for statically or dynamically sealing machine elements. They have the advantage of being suited for a wide variety of possible applications, and of being simple and cost-effective to manufacture.Type: ApplicationFiled: March 23, 2007Publication date: January 15, 2009Applicant: Carl Freudenberg KGInventor: Roland Fietz
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Patent number: 7454890Abstract: A supporting disk for providing bearing support to a rotor of an open-end spinning machine includes a hub ring (1) and a supporting ring (2) that surrounds the hub ring (1) at least partially with radial clearance. The hub ring (1) and the supporting ring (2) each are made of a polymer material, and the hub ring (1), at least on its outer peripheral surface (3), has a metal coating (5) which is located at least partially in the gap (4) formed by the clearance, and which contiguously adjoins the inner circumferential surface (6) of the supporting ring (2), and extends axially up to at least one of the end faces (7, 8) of the supporting disk.Type: GrantFiled: November 20, 2006Date of Patent: November 25, 2008Assignee: Carl Freudenberg KGInventor: Roland Fietz
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Publication number: 20070263951Abstract: A supporting disk for providing bearing support to a rotor of an open-end spinning machine, said supporting disk including a bearing ring and a supporting ring which is made of an elastic polymeric material and mounted on the periphery of the bearing ring. The bearing ring has a side ring on at least one of the sides of its outer edge. The side ring is located at a distance from the outer edge, connected to the bearing ring via holding members, and is also provided with a supporting ring on its periphery.Type: ApplicationFiled: April 26, 2007Publication date: November 15, 2007Applicant: Carl Freudenberg KGInventor: Roland Fietz
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Publication number: 20070130907Abstract: A supporting disk for providing bearing support to a rotor of an open-end spinning machine includes a hub ring (1) and a supporting ring (2) that surrounds the hub ring (1) at least partially with radial clearance. The hub ring (1) and the supporting ring (2) each are made of a polymer material, and the hub ring (1), at least on its outer peripheral surface (3), has a metal coating (5) which is located at least partially in the gap (4) formed by the clearance, and which contiguously adjoins the inner circumferential surface (6) of the supporting ring (2), and extends axially up to at least one of the end faces (7, 8) of the supporting disk.Type: ApplicationFiled: November 20, 2006Publication date: June 14, 2007Applicant: Carl Freudenberg KGInventor: Roland Fietz
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Patent number: 6739117Abstract: A supporting disk for supporting a rotor, in particular the rotor on an open-end spinning rotor, having a hub ring and a supporting ring situated on the outer circumference of the hub ring, made of a polymer material, and having a running surface for the rotor, wherein the supporting ring (1) has at least one lip-shaped projection (7) on at least one of its axial end faces (6).Type: GrantFiled: February 21, 2002Date of Patent: May 25, 2004Assignee: Carl Freudenberg KGInventor: Roland Fietz
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Patent number: 6584758Abstract: A supporting disk for supporting a rotor, in particular the rotor in open-end spinning rotors, having a hub ring and a supporting ring positioned on the outer circumference of the hub ring, having a bearing surface for the rotor, the outer circumference of the hub ring and the inner circumference of the supporting ring being connected to each other with form locking; the supporting ring (3), in cross-section, being formed from a running part (4) provided with bearing surface (10) for the rotor and at least two anchor legs (7, 8) extending from running part (4) and directed radially inwardly as well as axially outwardly.Type: GrantFiled: August 6, 2001Date of Patent: July 1, 2003Assignee: Firma Carl FreudenbergInventor: Roland Fietz
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Patent number: 6530206Abstract: Supporting disk for supporting a rotor of an open-end spinning machine, including a hub ring (1) and a supporting ring made of polymeric material secured to its outer circumference (2). The hub ring (1) is formed as a composite part, and is made of at least two different materials.Type: GrantFiled: September 24, 2001Date of Patent: March 11, 2003Assignee: Firma Carl FreudenbergInventor: Roland Fietz
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Publication number: 20020152737Abstract: A supporting disk for supporting a rotor, in particular the rotor on an open-end spinning rotor, having a hub ring and a supporting ring situated on the outer circumference of the hub ring, made of a polymer material, and having a running surface for the rotor, wherein the supporting ring (1) has at least one lip-shaped projection (7) on at least one of its axial end faces (6).Type: ApplicationFiled: February 21, 2002Publication date: October 24, 2002Inventor: Roland Fietz
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Publication number: 20020124547Abstract: Supporting disk for supporting a rotor of an open-end spinning machine, including a hub ring (1) and a supporting ring made of polymeric material secured to its outer circumference (2). The hub ring (1) is formed as a composite part, and is made of at least two different materials.Type: ApplicationFiled: September 24, 2001Publication date: September 12, 2002Inventor: Roland Fietz
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Publication number: 20020046559Abstract: A supporting disk for supporting a rotor, in particular the rotor in open-end spinning rotors, having a hub ring and a supporting ring positioned on the outer circumference of the hub ring, having a bearing surface for the rotor, the outer circumference of the hub ring and the inner circumference of the supporting ring being connected to each other with form locking; the supporting ring (3), in cross-section, being formed from a running part (4) provided with bearing surface (10) for the rotor and at least two anchor legs (7, 8) extending from running part (4) and directed radially inwardly as well as axially outwardly.Type: ApplicationFiled: August 6, 2001Publication date: April 25, 2002Inventor: Roland Fietz
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Patent number: 6263657Abstract: A supporting plate for the support of a rotor, in particular of an open-end spinning rotor, having a hub ring and a support ring arranged on the exterior periphery of the hub ring. The support ring has a contact surface for the rotor, the exterior periphery of the hub ring and the interior periphery of the support ring are joined to each other with positive locking. The support ring has a cramp-like shape in cross-section and is formed from a bridge part, provided with the contact surface for the rotor, the bridge part having two lateral clamping anchors emerging from the respective ends of the bridge part and oriented to the inside both radially as well as axially.Type: GrantFiled: March 2, 2000Date of Patent: July 24, 2001Inventor: Roland Fietz