Patent · US Expired

Punch press machine including a workpiece positioning means with a quick change die holder, punch and stripper unit

US4627321A · kind A · utility

6Cited by
2References
6Claims
0Family size

Inventor

Key dates

Filing dateDec 10, 1985
Grant dateDec 9, 1986
Priority date
Expiry dateDec 10, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/9476
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

This invention sets forth a workpiece adjusting mechanism, a quick release and removal die holder and a punch and stripper unit which can be adjusted and removed quickly for saving production time.

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