Patent · US Expired

Alternate support for a drawing die made of hard metal or diamond

US3961515A · kind A · utility

1Cited by
4References
5Claims
0Family size

Inventors

Key dates

Filing dateJun 24, 1975
Grant dateJun 8, 1976
Priority date
Expiry dateJun 24, 1995

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21C3/12
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Alternate support for a drawing die made of hard metal, in which the drawing die is held with a hollow clamping ring which clamps the drawing die and the support, the drawing die being supported by a shoulder in a bore provided in the support. The drawing die is swingingly supported on the shoulder within the support.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.