Patents Assigned to John Virtue
  • Forming of workpiece using flowable particulate
    Patent number: 4667497
    Abstract: A method of forming a deformable body to desired shape includes the steps(a) providing a bed of flowable particles within a contained zone,(b) relatively positioning said particles adjacent one side of said body,(c) and pressuring said bed to cause pressure transmission via said particles to said body, thereby to deform the body into desired shape.
    Type: Grant
    Filed: October 8, 1985
    Date of Patent: May 26, 1987
    Assignees: Metals, Ltd., John Virtue
    Inventors: Brian Oslin, Gunes M. Ecer