Patents Assigned to Carl Freudenberg
  • Sealing body for dynamic applications
    Patent number: 10883029
    Abstract: A sealing body for dynamic applications has a Shore A hardness of between 60-100, comprising an elastomer material and carbon nanotubes distributed in the elastomer material in an amount of between 0.1-20 phr, with respect to the total amount of elastomer material.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 5, 2021
    Assignee: CARL FREUDENBERG KG
    Inventors: Boris Traber, Christine Portela Cubillo, Helmut Leitner, Randolph Gaa, Olaf Kobs
  • Twist mop with biased cup
    Patent number: 10881265
    Abstract: A mop includes a mop handle with a grip end and a mopping end. A locking cup is disposed on the mopping end. The locking cup includes a cup portion with interior threads and a locking tooth. A mop head is disposed at the mopping end. The mop head connects to a locking cap. The locking cap includes a locking tab configured to engage with the interior threads of the locking cup to allow for selective removal of the mop head from the mop handle and to engage and be retained by the locking tooth when the locking cap is threaded into the locking cup. A biasing element is disposed in the cup portion and contacts the locking cap and generate a bias between the locking cap and the locking cup and urge the locking tab against the locking tooth when the locking cap is threaded into the cup portion.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 5, 2021
    Assignee: Carl Freudenberg KG
    Inventors: Doug Metzel, Conrad Alfaro
  • Volume nonwoven fabric
    Patent number: 10876234
    Abstract: A method for producing a volume nonwoven fabric includes the steps of: (a) providing a nonwoven fabric raw material, containing fiber balls and binder fibers; (b) providing an air-laying device, which has at least two spiked rollers between which a gap is formed; (c) processing the nonwoven fabric raw material in the device in an air-laying method, the nonwoven fabric raw material passing through the gap between the spiked rollers, fibers or fiber bundles being pulled from the fiber balls by the spikes; (d) laying on a laying apparatus; and (e) thermally bonding so as to obtain the volume nonwoven fabric.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: December 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Ulrike Herrlich, Gunter Scharfenberger, Thomas Sattler, Peter Grynaeus
  • Sealing device, notably with regard to contamination by external agents
    Patent number: 10865882
    Abstract: Disclosed is a sealing device for a rotary shaft, including a seal mounted fixedly in a passage through which the shaft passes, providing a sealed barrier and consisting of a bearing ring with an external axial flange and a radial flange, and a sealing washer attached to the bearing ring, surrounds the axial flange and extends inward along that face of the radial flange that faces toward the outside, to end in a sealing lip bearing slidingly against the rotary shaft to be sealed, the sealing device also including a protective unit protecting against contaminants. The protective unit includes an additional ring which is secured to the rotary shaft, which is positioned on the exterior side of the seal, and which includes a radial flange which, in collaboration with the radial flange of the bearing ring of the seal, forms an annular structure of the chicane or labyrinth type.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: December 15, 2020
    Assignees: CARL FREUDENBERG KG, FREUDENBERG SAS
    Inventors: Charlie Lutaud, Olivier Forte, Dominique Lutaud
  • Filter arrangement for a mobile device
    Patent number: 10843114
    Abstract: A filter arrangement for a mobile device includes at least one first filter element and at least one second filter element, which are arranged in an air duct of the mobile device. The at least one first filter element is a pleated filter and the at least one second filter element is an adsorption filter. The at least one first filter element and the at least one second filter element are separate and mounted in the air duct so as to be mutually spaced. The at least one first filter element includes at least one nonwoven layer. The at least one second filter element is a honeycomb filter including a plurality of channels which are delimited by channel walls.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: November 24, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Tobias Scholz, Oliver Kurtz, Ulrich Stahl, Anette Arnold, Volker Braeunling
  • Manually-displaceable cleaning device having counter-rotatable rollers
    Patent number: 10842338
    Abstract: A cleaning device has a main part and a handle with which an operator can displace the cleaning device on a surface being cleaned, two counter-rotatable rollers being received in the main part such that the rollers come into contact with the floor being cleaned, the rollers being arranged in the main part such that they are only separated by a shared air gap and/or longitudinal gap.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: November 24, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Norbert Weis, Daniel Baumgart
  • Sound-absorbing textile composite
    Patent number: 10825439
    Abstract: In an embodiment, the present invention provides a sound-absorbing textile composite, including: a) at least one open-pore support layer comprising coarse staple fibers having a titer of from 3 dtex to 17 dtex and fine staple fibers having a titer of from 0.3 dtex to 2.9 dtex, as scaffold fibers; and b) a microporous flow layer arranged on the support layer and including microfibers having a fiber diameter of less than 10 ?m. A flow resistance of the sound-absorbing textile composite is from 250 Ns/m3 to 5000 Ns/m3.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: November 3, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Angela Weik, Sandra Villing-Falusi, Peter Rutsch
  • Sponge Mop
    Publication number: 20200315422
    Abstract: An insert for a mop includes a rail and a cleaning element at least partially disposed in an internal channel of the rail. Two protrusions are disposed on the body, each forming a leg connected to the body and a cylindrical wall defining an actuation bore connected to the leg. Each actuation bore is adapted to overlap a substantial portion of a tine, the tine being associated with a sponge mop having a hand lever that operates to pull the tine, the tine being disposed in the actuation bore and configured to impart a force onto the body through the actuation bore to pull the rail and the cleaning element through a set of rollers to wring out fluids that may be present in the cleaning element.
    Type: Application
    Filed: April 2, 2019
    Publication date: October 8, 2020
    Applicant: Carl Freudenberg KG
    Inventors: Leo Gubenko, Omar Betouni, Thomas J. Caruso
  • Filter element
    Patent number: 10786773
    Abstract: In an embodiment, the present invention provides a filter element including: a bellows in the shape of a zig-zag having pleat walls and a pleat ridge, edges of the pleat walls and the pleat ridge being provided with edge elements; and a frame element being assigned to at least one end pleat of the bellows. The frame element surrounds the end pleat so as to form a positive fit on both sides, the frame element being fixed to the edge elements.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: September 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Regina Brack, Uwe Haefner, Alexander Oelsner
  • Sound-absorbing textile composite
    Patent number: 10789931
    Abstract: In an embodiment, the present invention provides a sound-absorbing textile composite having a flow resistance of from 250 Ns/m3 to 5000 Ns/m3, including: a) at least one open-pore support layer including coarse staple fibers having a titer of from 3 dtex to 17 dtex and fine staple fibers having a titer of from 0.3 dtex to 2.9 dtex as scaffold fibers; and b) a flow layer arranged on the support layer, which flow layer includes a microporous foam layer.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: September 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Angela Weik, Gunter Scharfenberger, Sandra Villing-Falusi
  • Mop head and mop
    Patent number: 10786135
    Abstract: A mop head includes: fringe-shaped cleaning textiles; and a cap-shaped carrier body. The cleaning textiles are secured to the carrier body. At least some of the cleaning textiles are interconnected by an integral bond and are combined to form a pre-assemblable unit. The pre-assemblable unit and the carrier body are interconnected.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: September 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Diana Thyson, Antonio Moreno Del Rio
  • Wringing device for a mop
    Patent number: 10786136
    Abstract: A wringer device for a mop includes a basket-like receptacle in which the mop can be wrung out by being pushed in and a support for fastening the wringer device in a mop bucket. The receptacle can be guided in the support such that the receptacle can be moved in translation in an insertion direction of the mop.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: September 29, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Alessandro Brugora, Uwe Dingert, Norbert Weis
  • Supply air arrangement for a mobile device
    Patent number: 10780383
    Abstract: A supply air arrangement for a mobile device includes: at least one inlet; at least one air duct; at least one outlet; and a filtering arrangement comprising at least two filtering elements. A first filtering element and a second filtering element that is formed separately from the first filtering element are arranged in the air duct.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: September 22, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Tobias Scholz, Oliver Kurtz, Ulrich Stahl, Anette Arnold, Volker Braeunling, Judith Hemmerling
  • Medical device and method for the production thereof
    Patent number: 10736985
    Abstract: A medical device in the form of a nonwoven wound dressing includes rotospun fibers including at least one synthetic and bioabsorbable polymer and at least one hydrophilic and/or tissue-adhesive polymer, and a method of producing the medical device including using rotospinning to produce fibers from a fiber raw material including at least one synthetic and bioabsorbable polymer and at least one hydrophilic and/or tissue-adhesive polymer.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: August 11, 2020
    Assignees: Aesculap AG, Carl Freudenberg KG
    Inventors: Erich Odermatt, Rainer Bargon, Dirk Grafahrend, Daniel Neumüller, Denis Reibel
  • Linear textile structure
    Patent number: 10697093
    Abstract: A linear textile structure has at least two strands, wherein a first strand has microfibers and a second strand encloses the first strand, wherein the structure may provide a stable linear textile structure, by which the most effective cleaning possible can be achieved with minimum effort. Both strands can be brought into contact together at least in some sections and simultaneously with a surface to be cleaned.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: June 30, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Norbert Weis, Diana Thyson
  • Seal and seal assembly
    Patent number: 10690250
    Abstract: In an embodiment, the present invention provides a seal with at least one sealing lip to seal a gap between a machine component and a housing, including: a main body made from resilient material, the main body being equipped such that it is electrically conductive and is covered with a jacket made from an electrically insulating material on at least part of its outer side. The jacket is assigned to at least those regions of the main body that are in contact with the machine component and the housing.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: June 23, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Olaf Nahrwold, Boris Traber, Stefan Sindlinger, Thomas Kramer, Frank Lauer, Christian Geubert
  • Textile fabric for preventing the penetration and the spreading of water in cables
    Patent number: 10689798
    Abstract: A textile fabric for preventing the penetration and water spreading in cables, having at least one layer, which is at least partially covered by an absorbent material and has pores, which pores can be at least partially closed under the effect of liquid due to absorbent material swelling, the absorbent material being bonded to the textile layer, at least in some areas, has a DIN ISO 9073-3 tensile strength in machine direction of >50 N/5 cm, and obtainable by a method involving: treating a layer containing pores with a mixture containing a polymerizable monomer or oligomer and a cross-linking agent and, as absorbent material precursor, a wetting agent and initiator, and polymerization of the monomer or oligomer under formation of a bonded connection between the absorbent material and the layer. The textile fabric can have a DIN EN ISO 9237 air permeability in dry state of greater than 200 dm3/(m2s).
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: June 23, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Dominic Kramer, Ulrich Schneider, Gerald Jarre, Matthias Schuster, Nermina Zaplatilek, Marco Sutter, Iain Smith
  • Receiving element for pouch cells
    Patent number: 10686170
    Abstract: A receiving element for mounting pouch cells, has a base body, wherein, with respect to an object of receiving pouch cells securely and cost-effectively in a frame or housing, the base body is formed as a profile having a contact surface for contact against a sealing seam of a pouch cell.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: June 16, 2020
    Assignee: CARL FREUDENBERG KG
    Inventors: Peter Kritzer, Olaf Nahrwold, Mark Boggasch, Ulla Pressler
  • String mop
    Patent number: D905365
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: December 15, 2020
    Assignee: CARL FREUDENBERG KG
    Inventor: Diana Thyson
  • Tub with incorporated wringer
    Patent number: D907872
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: January 12, 2021
    Assignee: CARL FREUDENBERG KG
    Inventor: Carlo Messineo