Patents Assigned to GR Spring & Stamping, Inc.
  • Progressive die machine
    Patent number: 6418611
    Abstract: An apparatus for serially making formed parts from a web of deformable material with a stud mounted therein having a plurality of progressive die forming stations for forming multiple parts from the web by advancing the web through each forming station. In one embodiment, the apparatus has feeding, driving and transfer mechanisms for controlling the feeding and insertion of studs at spaced locations into the web.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: July 16, 2002
    Assignee: GR Spring & Stamping, Inc.
    Inventors: Ronald E. Weber, Wade R. Pennington, Dennis M. Willyard, Jeffrey A. Lawrence
  • Progressive die machine and method
    Patent number: 6389671
    Abstract: An apparatus for serially making formed parts from a web of deformable material with a stud mounted therein having a plurality of progressive die forming stations for forming multiple parts from the web by advancing the web through each forming station. In one embodiment, the apparatus has feeding, driving and transfer mechanisms for controlling the feeding and insertion of studs at spaced locations into the web.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: May 21, 2002
    Assignee: GR Spring & Stamping, Inc.
    Inventors: Ronald E. Weber, Wade R. Pennington, Dennis M. Willyard, Jeffrey A. Lawrence
  • Progressive die machine and method
    Patent number: 6006563
    Abstract: An apparatus for serially making formed parts from a web of deformable material having a plurality of progressive die forming stations for forming multiple parts from the web by advancing the web through each forming station. In one embodiment, the apparatus has a control system for measuring parts formed in the apparatus and adjusting the relationship between first and second die portions of the apparatus to keep the parts formed in the apparatus within predetermined specifications.
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: December 28, 1999
    Assignee: GR Spring & Stamping, Inc.
    Inventors: Guangyu Zhang, Merle L. Staup, Dennis M. Willyard, Jeffrey A. Lawrence, Ronald E. Weber