Patents Assigned to Freudenberg
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Publication number: 20130283558Abstract: A mop comprising a mop head (1) that has at least one cleaning strip (2) is disclosed. The cleaning strip (2) comprises at least one cleaning surface (5) on which raised cleaning islands (6) made of flock fibers are arranged. The cleaning strip (2) is attached to the mop head (1) at one of its ends (3) and has a free end (4). The raised cleaning islands (6) on the at least one cleaning surface (5) of the cleaning strip (2) are arranged at certain distances (7) from each other and are surrounded on all sides by storage spaces (8) for holding dirt. The size of the storage spaces (8) steadily decreases from the end (3) of the cleaning surface (5) facing the mop head (1) in the mopping direction (9) of the free end (4).Type: ApplicationFiled: October 17, 2011Publication date: October 31, 2013Applicant: CARL FREUDENBERG KGInventors: Karl-Ludwig Gibis, Norbert Weis, Dieter Philipp, Lars Schmitt
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Publication number: 20130283557Abstract: Cleaning device comprising a support (1) with at least one cleaning surface (2) on which raised cleaning islands (3) are arranged at certain distances (4, A, B, C, D, E, 9) from each other such that the cleaning islands (3) are surrounded on all sides by storage spaces (5) for holding dirt. The size of the storage spaces (5) decreases steadily from at least one edge (6) of the cleaning surface at least to the middle of the cleaning surface (2) in the cleaning direction (7).Type: ApplicationFiled: October 17, 2011Publication date: October 31, 2013Applicant: CARL FREUDENBERG KGInventors: Karl-Ludwig Gibis, Norbert Weis
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Patent number: 8561245Abstract: A cleaning implement (10) comprising a handle (12) a cleaning end (24) coupled to the handle, and a cleaning head (14). The cleaning head may be removably coupled to the cleaning end, and can include a pair of tabs (30) extending through an aperture (32) in the cleaning end. Each tab may have a finger grip (56), and the finger grips may be generally offset from one another. Each tab may have a ledge (50) for contacting an upper surface of the cleaning end near a perimeter of the aperture to retain the cleaning head to the cleaning end. The tabs may be movable such that the ledges are moved out of contact with the upper surface of the cleaning end when removing the cleaning head from the cleaning end.Type: GrantFiled: December 1, 2009Date of Patent: October 22, 2013Assignee: Carl Freudenberg KGInventor: Norbert Weis
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Publication number: 20130274415Abstract: Fibers or one-dimensional, two-dimensional, or three-dimensional fibrous structures configured to be hydrogelling, produced from fibers made of a first fiber raw material, whereby the first fiber raw material contains water-soluble polyvinyl alcohol and/or polyvinyl alcohol copolymer, whereby the hydrogelling configuration of the fibers or fibrous structures is achieved by tempering the fiber raw material at a predetermined tempering temperature that is preferably higher than the glass transition temperature and/or lower than the melting or decomposition temperature of the first fiber raw material employed, as well as by tempering for a predetermined tempering duration, and whereby the fiber raw material is cross-linked by the tempering.Type: ApplicationFiled: April 4, 2013Publication date: October 17, 2013Applicant: Carl Freudenberg KGInventors: Wiebke Schmitz, Bernd Schlesselmann, Katharina Krampfl, Marc Pehr
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Publication number: 20130244523Abstract: A method for the production of at least one of oxidized cellulose fibers, oxidized cellulose fiber sheet materials and oxidized cellulose nonwovens includes introducing at least one of cellulose fibers, cellulose fiber sheet materials and cellulose nonwovens into a reactor. A temperature of the reactor is set in a range from 25° C. to 80° C. Gaseous nitrogen dioxide is introduced into the reactor so as to oxidize the at least one of cellulose fibers, cellulose fiber sheet materials and cellulose nonwovens. A temperature of the reactor is set in a range from 20° C. to less than 160° C. The at least one of oxidized cellulose fibers, oxidized cellulose fiber sheet materials and oxidized cellulose nonwovens are neutralized with at least one base.Type: ApplicationFiled: July 29, 2011Publication date: September 19, 2013Applicant: CARL FREUDENBERG KGInventors: Wiebke Schmitz, Julia Schmidt, Bernd Schlesselmann, Gunter Scharfenberger
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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: 8522433Abstract: A low cost and simple seal installation method provides for easy installation of bonded pistons and lip seals in an automatic transmission or other industrial machine. The installation method utilizes a flexible circular disc that can be inserted in a gap between the bore and the shaft and is pressed against the seal lip to flip the seal lip to its desired orientation while the disc is rolled around the circumference of the gap to orientate the entire seal in its proper position.Type: GrantFiled: December 6, 2011Date of Patent: September 3, 2013Assignee: Freudenberg-NOK General PartnershipInventor: Johnny Kinder
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Patent number: 8512454Abstract: The invention relates to electrostatic dust catcher including a first (1) and a second electrode (2) and a voltage source (3) for applying an electrical voltage between the two electrodes (1, 2). The first electrode (1) is designed as a dust catching device and the second electrode (2) is grounded.Type: GrantFiled: November 13, 2008Date of Patent: August 20, 2013Assignee: Carl Freudenberg KGInventors: Karl-Ludwig Gibis, Mike Kosub
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Publication number: 20130200575Abstract: A seal with, on the one hand, a support body in the form of a carrier ring with an axial leg and, on the other hand, a sealing washer which is placed or arranged on the carrier ring and which surrounds the axial leg on the outer periphery, said carrier ring being made of a metallic material, wherein the carrier ring is made of a sheet of the HYS type.Type: ApplicationFiled: February 4, 2013Publication date: August 8, 2013Applicant: Carl Freudenberg KGInventor: Carl Freudenberg KG
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Patent number: 8502635Abstract: A magnetostrictive element is provided comprising at least one device for generating a magnetic field, and at least one shaped part made of porous polymer containing ferromagnetic particles. The magnetostrictive element is characterized by having a distinct magnetostrictive effect.Type: GrantFiled: February 22, 2005Date of Patent: August 6, 2013Assignee: Carl Freudenberg KGInventors: Ralf Heinrich, Peter Ryzko
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Patent number: 8500942Abstract: A method for forming a textile fusible sheet material includes producing a fibrous web from fibers on a laydown apparatus so as to form a backing ply and applying a mixture of a binder and a thermoplastic polymer to selected areal regions of the fibrous web. The method further includes thermally treating the fibrous web so as to dry and bond the fibers of the fibrous web using the binder to form a bonded fibrous web nonwoven fabric and so as to sinter the thermoplastic polymer with a surface of the bonded fibrous web nonwoven fabric.Type: GrantFiled: July 29, 2008Date of Patent: August 6, 2013Assignee: Carl Freudenberg KGInventors: Peter Grynaeus, Oliver Staudenmayer, Hans Rettig
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Publication number: 20130192019Abstract: The invention relates to a drive system (1) for driving an automatic cleaning unit, comprising: —a carrier unit (7, 10); —a drive motor (2), which is fastened on the carrier unit (7, 10); —a driveshaft (4), which is arranged in a rotatable manner on the carrier unit (7, 10) and can be driven by the drive motor (2); —an advancement device (15), which is arranged on the driveshaft (4) and can be rotated about the driveshaft, wherein the advancement device (15) is coupled to the driveshaft (4) in order to generate advancement transversely to the extent of the driveshaft (4) and in order, when advancement is stopped, to cause the advancement device (15) to rotate in relation to the carrier unit.Type: ApplicationFiled: August 23, 2011Publication date: August 1, 2013Applicant: Carl Freudenberg KGInventors: Norbert Weis, Johannes Flath, Karl-Ludwig Gibis
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Patent number: 8496252Abstract: A seal includes a supporting body; a disk-shaped sealing element fixed to the supporting body so as to form a static seal and to include a free end; and a sealing body disposed at the free end so as to form a dynamic sealing edge, wherein the sealing body includes a material that is a different from a material of the sealing element.Type: GrantFiled: January 21, 2010Date of Patent: July 30, 2013Assignee: Carl Freudenberg KGInventor: Denis Broisin
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Patent number: 8495781Abstract: A cleaning device for cleaning a floor includes a base body, a rotatable roller brush disposed on the base body, a dirt container disposed on the base body, a liquid container configured to receive a cleaning liquid disposed on the base body; and a sponge configured to receive a soiled cleaning liquid disposed on the base body.Type: GrantFiled: December 17, 2008Date of Patent: July 30, 2013Assignee: Carl Freudenberg KGInventor: Uwe Dingert
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Patent number: 8485533Abstract: A dynamic seal assembly for installation between first and second relatively rotating members, comprising a ring for fixed engagement with said first member and an annular seal extending radially from said ring and configured to slidably engage said second member, wherein said radial seal has a thickness, and a length that is from about 1 to about 15 times greater than said thickness. In various embodiments, the seal is formed of a rubber composition comprising a vulcanized fluorocarbon elastomer dispersed in a matrix of a thermoplastic polymeric material. In various embodiments, the matrix forms a continuous phase and the vulcanized elastomeric material is in the form of particles forming a non-continuous phase. The compositions may be made by combining a curative, an uncured fluorocarbon elastomer, and a thermoplastic material, and heating the mixture to effect vulcanization of the elastomeric material, while applying mechanical energy.Type: GrantFiled: December 13, 2006Date of Patent: July 16, 2013Assignee: Freudenberg-NOK General PartnershipInventors: Edward H. Park, Alexander Berdichevsky, Vahidin Alajbegovic
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Patent number: 8485611Abstract: The broom may include a broom body. The broom body may include a shaft side, a shoulder disposed on the shaft side, a cleaning side, and a bump guard disposed on the shoulder. The broom may further comprise a shaft extending from the shoulder and a plurality of bristles extending from the cleaning side. The bump guard may be relatively softer than a main piece of the broom body. The broom body may also include a lower bump guard covering a toe and a heel of the broom body. In one embodiment, the broom body may be comprised of a core and a skin. The skin may be overmolded onto the core. The bump guard may be overmolded onto the skin. In another embodiment, the core and the skin may be molded together in a co-injection molding process.Type: GrantFiled: April 13, 2012Date of Patent: July 16, 2013Assignee: Carl Freudenberg KGInventors: Norbert W. Weis, Ralf G. Juergens
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Publication number: 20130175763Abstract: A seal for sealingly engaging a shaft or other rotatable element includes a sealing portion having a lubricant side and a non-lubricant side and extending generally inwardly toward the shaft when the seal is installed thereon. The sealing portion has an active lip portion including a shaft engagement surface engageable with the shaft and a lubricant vent extending through at least a portion of the active lip portion. The lubricant vent provides fluid communication between opposite sides of the active lip portion, thus maintaining adequate lubrication between the shaft engagement surface and the shaft, avoiding lubricant coking, or other degradation, and extending seal life.Type: ApplicationFiled: January 10, 2012Publication date: July 11, 2013Applicant: FREUDENBERG-NOK GENERAL PARTNERSHIPInventors: Alexander Berdichevsky, David Sakata, Sean Donovan
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Patent number: 8481437Abstract: The invention relates to a thermally bound non-woven material containing a low-shrinkage dual-component core-sheath fiber consisting of a crystalline polyester core and a crystalline polyester sheath which has a melting point at least 10° C. lower than the core, the heat-shrinkage characteristic of said fiber being less than 10% at 170° C.Type: GrantFiled: November 22, 2011Date of Patent: July 9, 2013Assignee: Carl Freudenberg KGInventors: Armin Greiner, Klaus Veeser, Holger Schilling, Guenter Frey, Ralph Berkemann
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Publication number: 20130171901Abstract: An adhesive compound for a hot-sealing insert is provided, as are an insert that contains this adhesive compound, and a method for fixing the insert. The adhesive compound has a thermoplastic hot-melt adhesive (A) that is not adhesive at room temperature and a pressure sensitive adhesive (B) that is adhesive at room temperature.Type: ApplicationFiled: July 21, 2011Publication date: July 4, 2013Applicant: CARL FREUDENBERG KGInventors: Heike Bartl, Cornelia Kinscherf, Oliver Staudenmayer, Ulrich Scherbel
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Patent number: D685960Type: GrantFiled: March 28, 2011Date of Patent: July 9, 2013Assignee: Carl Freudenberg KGInventor: Norbert Weis