Patents Assigned to Rieter Machine Workds, Ltd.
  • Patent number: 4938018
    Abstract: A friction spinning machine comprising a perforated roller (6) and an imperforate roller (19) is so designed that high-quality yarn can be produced in various sizes and with adequate strengths at a relatively high rate of output. The adjustment parameters necessary to solve this problem are specified in detail, more particulary those determining the position, orientation and shape of the fibre feed duct (5).
    Type: Grant
    Filed: September 21, 1989
    Date of Patent: July 3, 1990
    Assignee: Rieter Machine Workds, Ltd.
    Inventors: Herbert Stalder, Josef Baumgartner