Patents by Inventor Ralf Kaldenhoff

Ralf Kaldenhoff 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).

  • Publication number: 20110247304
    Abstract: A method for packaging hot melt adhesive, in particular sticky hot melt adhesive or substances that are tacky at ambient temperature as a material to be packaged in a plastic film, comprising the steps: (a) fusing the material to be packaged; (b) metering the fused material onto a cooling belt in portions and cooling the material to below its fusion point; (c) removing the material portions from the cooling belt, and (d) packaging the material portions in the plastic film, the cooling belt having a textile carrier with threads which form heat conducting threads with which heat from the one flat side of the cooling belt can be transferred to the opposite side, and the carrier being embedded into a polymer matrix such that the heat conducting threads are covered as far as possible, at least on the side coming into contact with the material to be packaged.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 13, 2011
    Inventors: Ralf KALDENHOFF, Andreas ROBENS
  • Patent number: 6780280
    Abstract: A pressing cushion (1) for use in laminating presses has a textile support (2) with threads (3, 4, 5), at least some of which constitute thermally conductive threads (3, 4, 5) that bring about, either directly or by contact with other thermally conductive threads (3, 4, 5), a thermal transfer from one outer side to the other outer side of the pressing cushion (1). The support (2) includes a cushion layer (7) made of a flexible rubber material, wherein the thickness of the cushion layer (7) is less than that of the support (2). The cushion layer (7) is embedded into the support (2) in such a way that thermally conductive threads (4, 5) protrude beyond the cushion layer (7) on both outer sides of the pressing cushion (1).
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: August 24, 2004
    Assignee: Thomas Josef Heimbach Gesellschaft mit beschrankter Haftung & Co.
    Inventors: Walter Halterbeck, Ralf Kaldenhoff
  • Publication number: 20030059576
    Abstract: A pressing cushion (1) for use in laminating presses has a textile support (2) with threads (3, 4, 5), at least some of which constitute thermally conductive threads (3, 4, 5) that bring about, either directly or by contact with other thermally conductive threads (3, 4, 5), a thermal transfer from one outer side to the other outer side of the pressing cushion (1). The support (2) includes a cushion layer (7) made of a flexible rubber material, wherein the thickness of the cushion layer (7) is less than that of the support (2). The cushion layer (7) is embedded into the support (2) in such a way that thermally conductive threads (4, 5) protrude beyond the cushion layer (7) on both outer sides of the pressing cushion (1).
    Type: Application
    Filed: September 27, 2002
    Publication date: March 27, 2003
    Inventors: Walter Halterbeck, Ralf Kaldenhoff
  • Patent number: 6413889
    Abstract: The invention concerns a pressing cushion (1, 11, 31, 32, 33) having a cushioning (2, 12) that is elastic in its thickness direction and having connecting threads (8, 25), going back and forth between the surfaces of the cushioning, that are configured at least partially as thermally conductive threads. The pressing cushion (1, 11, 31, 32, 33) is characterized in that connecting threads (8, 25) are provided which have a sewn profile or form knitted stitches.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: July 2, 2002
    Assignee: Thomas Josef Heimbach Gesellschaft mit beschrankter Haftung & Co.
    Inventors: Walter Best, Ralf Kaldenhoff
  • Patent number: 6342457
    Abstract: The invention concerns a pressing cushion (1, 6) having a textile thread system (2, 3, 7 which is characterized in that the thread system has a knitted material (2) or is made of a knitted material (7).
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: January 29, 2002
    Assignee: Thomas Josef Heimbach Gesellschaft mit Beschrankter Haftung & Co.
    Inventors: Walter Best, Ralf Kaldenhoff
  • Patent number: 6223780
    Abstract: A textile planar structure for paper machine cloths, transport belts or filtering means has two or more plies, each of which has structural yarns in both the machine and cross-machine directions that bind at least two plies together, and optionally, structural yarns which do not bind the plies together, but which cooperate with the binding structural yarns to form a uniform weave pattern. At least one ply has a group of adjacent structural yarns running in the same direction that alternate in their position within the planar structure, such that when one yarn binds one ply, another yarn in the same group binds another ply, and vice versa. When a binding structural yarn from an adjacently disposed group crosses from a first ply into an inter-ply space between the plies, another yarn from the same adjacently disposed group crosses from a second ply into the inter-ply space without the binding structural yarns laying under or over each other.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: May 1, 2001
    Assignee: Thomas Josef Heimbach Gesellschaft mit beschrankter Haftung & Co.
    Inventor: Ralf Kaldenhoff