Patent · US Expired

Apparatus for shaping metal sheets

US7278287B2 · kind B2 · utility

5Cited by

7References

14Claims

0Family size

Assignee

BENTELER AUTOMOBILTECHNIK GMBH · DE

Inventors

Friedrich Bohner · Oerlinghausen, DE
Andreas Schiwek · Paderborn, DE
Werner Bohmer · Willebadessen, DE
Martin Koyro · Paderborn, DE

Key dates

Filing date	Apr 10, 2006
Grant date	Oct 9, 2007
Priority date	—
Expiry date	Apr 10, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC21D1/673
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Apparatus for shaping metal sheets including a shaping tool having an forming space for receiving a metal sheet. At least one heating element is disposed in a recess of the shaping tool for heating at least a portion of the metal sheet, whereby an insulation layer is provided to insulate the heating element from neighboring walls of the shaping tool.

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