Patents by Inventor Reinhard Melcher

Reinhard Melcher 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).

  • Internal broach for the internal broaching of profiles
    Patent number: 5865569
    Abstract: An internal broach for the broaching of profiles defined by a bottom and flanks, in particular of internal toothings, in a workpiece is provided with broach cutting teeth which have bottom-cutting edges and flank-cutting edges. Over their full profile height, the flank-cutting edges of broach cutting teeth disposed one after the other and allocated to each other have an ascending profile in the range of 1 .mu.m to 3 .mu.m.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: February 2, 1999
    Assignee: Oswald Forst Maschinenfabrik und Apparatebauanstalt GmbH & Co Kommanditgesellschaft
    Inventors: Herbert Holstein, Reinhard Melcher