Patents Assigned to Muehlen Sohn GmbH & Co.
  • Patent number: 10967602
    Abstract: A drum covering for a drive drum (21) in a corrugating machine has a textile carrier material that reversibly shrinks when heated up, said carrier material being coated on at least one side with a coating material. Furthermore, it has two rectangular regions (71, 72) that are each connected to a convexly deltoid-shaped region (6) on a narrow side. Sets for producing the drum covering contain several covering pieces. A drive drum provided with the drum covering can be produced by the central axis (M) of the convexly deltoid-shaped region (6) being arranged along the circumferential central axis of the drive drum (21). Then, the convexly deltoid-shaped region (6) is fixed on the drive drum surface by means of at least one fixing element. The drive drum (21) is rotated, wherein the rectangular regions (71, 72) of the drum covering are wound around the drive drum (21) in a spiral-shaped manner.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: April 6, 2021
    Assignee: Muehlen Sohn GmbH & Co. KG
    Inventor: Erwin Kokoschka
  • Patent number: 10465341
    Abstract: The invention relates to a fabric belt for the production of a corrugated cardboard web in a corrugated cardboard machine having several warp layers. In at least one edge region of the fabric belt, a surface of its upper warp layer has at least first regions (21) which consist of first yarns, and second regions (22) which consist of second yarns. The first yarns contain 30% b.w. to 100% b.w. aromatic polyamides, 0% b.w. to 70% b.w. aliphatic and/or alicyclic polyamides and 0% b.w. to 5% b.w. other materials. The total of the polyamides and other materials thus gives 100% b.w. The second yarns contain 50% b.w. to 85% b.w. polyester and/or aliphatic polyamides and/or alicyclic polyamides, 15% b.w. to 50% b.w. cellulose and 0% b.w. to 5% b.w. other materials. The total of the polyesters, polyamides, cellulose and other materials gives 100% b.w.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: November 5, 2019
    Assignee: Mühlen Sohn GmbH & Co. KG
    Inventor: Alexandra Steger
  • Publication number: 20190248096
    Abstract: A drum covering for a drive drum (21) in a corrugating machine has a textile carrier material that reversibly shrinks when heated up, said carrier material being coated on at least one side with a coating material. Furthermore, it has two rectangular regions (71, 72) that are each connected to a convexly deltoid-shaped region (6) on a narrow side. Sets for producing the drum covering contain several covering pieces. A drive drum provided with the drum covering can be produced by the central axis (M) of the convexly deltoid-shaped region (6) being arranged along the circumferential central axis of the drive drum (21). Then, the convexly deltoid-shaped region (6) is fixed on the drive drum surface by means of at least one fixing element. The drive drum (21) is rotated, wherein the rectangular regions (71, 72) of the drum covering are wound around the drive drum (21) in a spiral-shaped manner.
    Type: Application
    Filed: June 27, 2016
    Publication date: August 15, 2019
    Applicant: Muehlen Sohn GmbH & Co. KG
    Inventor: Erwin KOKOSCHKA
  • Patent number: 9555969
    Abstract: A fabric belt for producing a corrugated cardboard web in a corrugated cardboard machine is joined together at the two ends thereof to produce an endless belt. An outer paper side facing the corrugated cardboard web and an inner load side assigned to the drive are formed. Connecting pieces to connect the belt ends have in each case at one end transversely with respect to the belt clips lying next to one another at a spacing, and are fixed at an opposite end with a connection section at the associated belt end. In the longitudinal direction of the belt, the clips of one connecting piece interact in a force-transmitting manner with the clips of the other connecting piece. The connection section of a connecting piece is held in a receiving gap of the belt that, starting from the belt end, extends between the paper side and the load side.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: January 31, 2017
    Assignee: Muehlen Sohn GmbH & Co. KG
    Inventor: Petra Muehlen
  • Publication number: 20140183010
    Abstract: The invention relates to a fabric belt for producing a corrugated cardboard web in a corrugated cardboard machine. The belt (1) is joined together at the two ends (2, 3) thereof to produce an endless belt, wherein an outer paper side (4) which faces the corrugated cardboard web and an inner load side (5) which is assigned to the drive are formed. In order to connect the belt ends (2, 3), connecting pieces (6, 7) are provided which, in each case at one end (2, 3) transversely with respect to the belt (1), have a multiplicity of clips (9, 9?) which lie next to one another at a spacing (a), and are fixed at an opposite end with a connection section (14) at the associated belt end (2, 3). In the longitudinal direction (8) of the belt (1), the clips of one connecting piece (6) interact in a force-transmitting manner with the clips of the other connecting piece (7).
    Type: Application
    Filed: August 1, 2012
    Publication date: July 3, 2014
    Applicant: MUEHLEN SOHN GMBH & CO. KG
    Inventor: Petra Muehlen
  • Patent number: 8172986
    Abstract: A fabric belt unit for manufacturing corrugated board in a corrugator machine includes a belt (1) joined together at its two ends (2, 3) to form a continuous belt. The fabric belt has an outer paper side (6) as well as an inner driven side (8). The belt ends (2, 3) are reduced thermally in thickness and have a plurality of approximately U-shaped clamps (7) which are connected to each other to form a joint. The U-shaped clamps (7) lie at a distance (a) one next to the other. The distance (u) of the driven side (8) of the belt to the plane (36) of the thickness-reduced belt ends (2, 3) is greater than the distance (v) between the paper side (6) and the plane (46) of the thickness-reduced belt ends (2, 3) in order to obtain a longer service life of the belt.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: May 8, 2012
    Assignee: Muehlen Sohn GmbH & Co.
    Inventor: Hartmut Bella
  • Patent number: 8079394
    Abstract: The invention relates to a belt for a corrugator machine for making corrugated board (50) wherein at least a middle layer (52) of corrugated material is joined under pressure to cover layers (51, 53) of smooth material to form the corrugated board (50). The belt (1) is made of a fabric of warp fibers and weft fibers (4) and has a paper side facing toward the corrugated board (50) to be manufactured. The paper side (6) lies against the corrugated board (50). A driven side (7) lies facing away from the corrugated board (50). The corrugator machine has a pressure zone (70) which includes a pressure element (71) and a countersupport (73). The corrugated board (50) together with the contact engaging fabric belt (1) passes between the pressure element (71) and the countersupport (73). A drive (61) is provided on the driven side (7) of the belt to generate the tension forces acting in the longitudinal direction of the belt.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: December 20, 2011
    Assignee: Muehlen Sohn GmbH & Co.
    Inventor: Hartmut Bella
  • Patent number: 6899142
    Abstract: A fabric belt for a corrugated cardboard gluing machine has a first fabric layer for receiving tensile forces. The first fabric layer is made of warp threads and weft threads. A second fabric layer covers the first fabric layer and is made of warp threads and weft threads. The second fabric layer forms an upper paper side of the fabric belt. The first and second fabric layers are interwoven by binding threads. The fabric belt has drainage channels penetrating the fabric belt at least partially, wherein the drainage channels remove moisture from the second fabric layer and the upper paper side.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: May 31, 2005
    Assignee: Mühlen Sohn GmbH & Co.
    Inventor: Armin Birzele