Patent · US Expired

Control system for pneumatic punch press feeders

US4329897A · kind A · utility

5Cited by
3References
14Claims
0Family size

Inventor

Key dates

Filing dateMar 13, 1979
Grant dateMay 18, 1982
Priority date
Expiry dateMar 13, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/4506
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An improved semi-automatic control system for a punch press feeder, having a novel combination of three control components including a new main sequencing valve arrangement, a trigger valve and a reverser valve.

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