Patents Assigned to Special Instruments Laboratory, Inc.
  • Patent number: 4267620
    Abstract: The present disclosure relates to a method and apparatus for controlling textile working systems such as drafting frames. A detector is provided for detecting variations in the numbers of specific types of atoms, such as hydrogen atoms, in a known length of a traveling fibrous strand being worked by the drafting frame or other textile working device. System parameters, such as the draft imparted to the strand, may be varied in response to the detected variations.
    Type: Grant
    Filed: August 17, 1978
    Date of Patent: May 19, 1981
    Assignee: Special Instruments Laboratory, Inc.
    Inventor: John D. Allen, Jr.