Patents by Inventor Eugen Nann

Eugen Nann 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).

  • Tool chuck coolant system
    Patent number: 5020946
    Abstract: A tool chuck assembly comprising a collet having a bore for supporting a tool, a collet holder having a portion circumscribing the collet, a tension nut cooperatively associated with the collet holder to mount and dismount a tool means defining a coolant channel in the collet holder, a sealing element mounted in the collet having a first peripheral sealing surface (8) engaging the inner wall of the collet holder to form a seal behind the collet and a second peripheral sealing surface engagably with the outer periphery of the tool to form a seal therewith.
    Type: Grant
    Filed: November 28, 1989
    Date of Patent: June 4, 1991
    Assignee: Simon Nann KG, Fabrik fuer Spannwerkzeuge
    Inventor: Eugen Nann