Patent · US Expired

Method of producing and utilizing deformable workpieces for high-pressure forming and products formed thereby

US6070786A · kind A · utility

2Cited by
12References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 15, 1999
Grant dateJun 6, 2000
Priority date
Expiry dateJun 15, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49805
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

To form a body, a preform is produced by welding together two essentially flat sheet-metal blanks at their margins. This preform is then deformed in a mold by internal high-pressure forming to produce the desired body. In this way, complex metal bodies can easily be formed.

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