Patents by Inventor Klaus Berwald

Klaus Berwald 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).

  • Circular knitting machine with a dust removal device
    Patent number: 7043941
    Abstract: A circular knitting machine with a carrier (1) for knitting tools (2) and a cam housing (8) is described, the cam housing (8) being sub-divided into a plurality of segments (8a, 8b, 8c) which are adjacent in the circumferential direction and bear needle cams (9). According to the invention, the circular knitting machine has a dust removal device which contains air distribution channels (23) which are configured in the segments and are connected to a compressed air source via radial air supply channels (24). The air distribution channels (23) discharge into radial gaps (22) which are present between the segments and are sealed outwardly with sealing means (30) (FIG. 5).
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: May 16, 2006
    Assignee: Sipra Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventors: Rolf Willmer, Roland Sickinger, Klaus Berwald
  • CIRCULAR KNITTING MACHINE WITH A DUST REMOVAL DEVICE
    Publication number: 20060070408
    Abstract: A circular knitting machine with a carrier (1) for knitting tools (2) and a cam housing (8) is described, the cam housing (8) being sub-divided into a plurality of segments (8a, 8b, 8c) which are adjacent in the circumferential direction and bear needle cams (9). According to the invention, the circular knitting machine has a dust removal device which contains air distribution channels (23) which are configured in the segments and are connected to a compressed air source via radial air supply channels (24). The air distribution channels (23) discharge into radial gaps (22) which are present between the segments and are sealed outwardly with sealing means (30) (FIG. 5).
    Type: Application
    Filed: October 4, 2005
    Publication date: April 6, 2006
    Inventors: Rolf Willmer, Roland Sickinger, Klaus Berwald