Patents by Inventor James J. McCrudden

James J. McCrudden 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).

  • Publication number: 20040216577
    Abstract: The present invention is a slug control tool facilitating the discard of material from a punch face in a punch-die operation. In one embodiment, the invention is comprised of an opening and a throat forming a tapered wall along the cavity of a die land. Clearance between punch and opening, as well as between punch and throat, insure contact between wall and slug some distance from the opening. In other embodiments, the tapered wall is aligned with a second tapered wall between throat and a second opening. The second tapered wall prevents contact between slug and relief The described invention is applicable to die tools including but not limited to bushings and die plates.
    Type: Application
    Filed: May 1, 2003
    Publication date: November 4, 2004
    Inventor: James J. McCrudden