Patent · US Expired

Press for external high-pressure forming

US6481256B1 · kind B1 · utility

3Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2000
Grant dateNov 19, 2002
Priority date
Expiry dateJun 13, 2020

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21D24/08
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A forming press for external high-pressure forming is proposed, in which the fluid box (10) is arranged stationarily. Working cylinders (6) are integrated in the ram (2) so as to achieve a compact design, and the sheetholding and closing force is applied by short-stroke cylinders (7).

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