Patents by Inventor Gerhard Darcis

Gerhard Darcis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of and apparatus for clamping the underwinding thread of a spinning spindle
    Patent number: 6289662
    Abstract: Below a ring-spinning spindle, a clamping ring and a clamping sleeve have frustoconical surfaces, at least of one first textured to increase the grip on an underwinding thread. The clamping sleeve, for example, may be spring-biased to axially engage the clamp and force may be required to open the clamp.
    Type: Grant
    Filed: February 3, 2000
    Date of Patent: September 18, 2001
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Friedrich Dinkelmann, Gerhard Darcis, Peter Mann
  • Drafting frame for a textile machine
    Patent number: 5918456
    Abstract: A rail for supporting and guiding the lower belt of a drafting frame of a textile machine is provided with a coating of one or more of aluminum oxide, titanium dioxide, chromium oxide or molybdenum oxide in an oxide ceramic powder with a hardness of 800 to 1500 HV and a grain size of 45 to 5 .mu.m. A pressing arm urges the stand against its belt.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: July 6, 1999
    Assignee: Zinser Textilmaschinen GmbH
    Inventor: Gerhard Darcis