Patents Examined by Gorenstein Charles
  • Production of novelty yarns
    Patent number: 4184316
    Abstract: A novelty yarn having a pronounced variation in linear density is obtained by passing at least one multifilament yarn through a fluid tangling zone and by alternatingly and mechanically tensioning and relaxing the yarn within the tangling zone.
    Type: Grant
    Filed: March 17, 1978
    Date of Patent: January 22, 1980
    Assignee: Akzona Incorporated
    Inventor: Ernest J. Griset, Jr.