Patent · US Expired

Dynamically balanced trim press

US4313358A · kind A · utility

13Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 10, 1979
Grant dateFeb 2, 1982
Priority date
Expiry dateSep 10, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/6484
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A trim press for severing articles differentially pressure formed in a thermoplastic sheet comprising a pair of dynamically balanced trim die members mounted for movement toward and away from each other between spaced apart positions and closed positions engaging opposite sides of the sheet to sever the article from the sheet. One of the trim die members includes an opening therethrough for receiving the article as it is being trimmed and for passing the article therethrough after it is trimmed and part receiver means stationarily mounted in alignment with the opening for receiving the articles from the moving trim die member.

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