Patent · US Expired

Pressing tool structure for sheet metal forming

US4111024A · kind A · utility

44Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 1977
Grant dateSep 5, 1978
Priority date
Expiry dateMar 28, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB21D22/10
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A pressing tool for use in the cavity of a press device for forming sheet metal parts around forming tools, the pressing tool including an upper tool part with flanges at the peripheral edges thereof and directed downwardly, a lower tool part with flanges at the peripheral edges thereof and directed upwardly, wall elements positioned within the respective flanges of the upper and lower tool parts to form a forming space, a forming tool positioned in the space on the lower tool part, and an elastomeric forming pad located in the forming space for forming a work piece around the forming tool.

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