Patent · US Expired

Stamping device for a fineblanking press

US4143574A · kind A · utility

3Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 1977
Grant dateMar 13, 1979
Priority date
Expiry dateNov 7, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/9473
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A fineblanking press having two groups of elements, the first group including an interchangeable die set having an upper die member, a lower die member and guide posts with the second group including a support plate, guide pins and an ejector element, the separate groups providing improved interchangeability, maintenance and stability.

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