Patents Assigned to Heuge Export AG
  • Patent number: 4578132
    Abstract: In the production of decorated tufted carpet tiles, a tufted carpet web is made by tufting a pile yarn in a substrate, precoating and backing the tufted substrate on the backside, followed by dyeing, imprinting with a pattern, steaming, washing and drying the carpet web, and thereafter by punching or cutting tiles from the carpet web in the process, the carpet web, prior to the dyeing step and preferably after precoating, is heat treated by being exposed to a temperature of 120.degree.-200.degree. C., preferably 140.degree.-170.degree. C., for 1-8 minutes, preferably for 3-5 minutes, while it is freely supported on an auxiliary carrier, and then subjected to cooling to below 50.degree. C.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: March 25, 1986
    Assignee: Heuge Export AG
    Inventors: Adrianus A. Van Uden, Johannes A. H. Claessen