Patents by Inventor Karl-Heinz Madebach

Karl-Heinz Madebach 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).

  • Textile floor covering with bottom of thermoplastic foam and a method of producing it
    Patent number: 3975562
    Abstract: A textile floor covering consisting of a textile layer, to the carrier layer of which the pile has been applied, and a bottom of thermoplastic foam, wherein the textile layer is directly connected with a thermoplastic foamed sheeting of polymerizates as a bottom, the polymerizates being selected from a group consisting of ethylene polymerizate, ethylene vinylacetate copolymerizate, and a mixture of ethylene polymerizate and ethylene vinylacetate copolymerizate, the foamed sheeting having a thickness of between 1.5 and 10 mm and a density of 0.10 to 0.40 g/cm.sup.3, preferably from 0.15 to 0.20 g/cm.sup.3.A method for producing a textile floor covering consisting of a textile layer, to the carrier layer of which the pile has been applied, and a bottom of thermoplastic foam, wherein the textile layer is applied directly to a foamed sheeting of polymerizates, as defined above, by means of thermolaminating, welding, sewing or stitch-bonding.
    Type: Grant
    Filed: January 31, 1975
    Date of Patent: August 17, 1976
    Assignee: VEB Leuna-Werke "Walter Ulbricht"
    Inventors: Karl-Heinz Madebach, Otto Wittenburg, Gerd Wilde, Werner Taube, Werner Lauterberg, Dieter Barthel, Dieter Pape, Gerhard Gerstner, Joachim Antemann