By Opposed, Gap Defining Surfaces (e.g., Stripping Guide) Patents (Class 28/232)
Selectively usable gaps (Class 28/233)
Including toothed or serrated surface (Class 28/234)
Adjustable slot forming surface (Class 28/235)
  • Ceramic thread cleaner with single piece construction
    Patent number: 5564173
    Abstract: A method of manufacturing a single-piece, ceramic thread cleaner having a crotch and a slot. The thread cleaner's body is pressed to the final dimensions and a slot with polished surfaces is cut into the body using a diamond cut-off saw. The benefits provided by this threadcleaner are simple design, easy manufacturing, high slot width accuracy, dimensional stability of the slot over a long period of time, increased wear resistance compared to thread cleaners made of metal, and easy installation in a textile machine.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: October 15, 1996
    Assignee: A1SiMag Technical Ceramics, Inc.
    Inventors: Benny Sedman, Bill Cooper
  • Knot catcher for yarns and threads
    Patent number: 4916787
    Abstract: Knot catcher for yarns and threads includes two rotary rollers spaced from each other to form therebetween a thread-receiving through opening which is limited at two ends thereof by two opposite walls of the housing of the knot catcher. The size of the opening can be adjusted by adjusting the rollers relative each other.
    Type: Grant
    Filed: March 24, 1988
    Date of Patent: April 17, 1990
    Assignee: Sipra Patententwicklungs-und Beteiligungsgesellschaft mbH
    Inventor: Heinz Brunner