Patent · US Active

Method for producing a shaped sheet metal part produced by UO forming, and shaped sheet metal part

US11141770B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

BENTELER AUTOMOBILTECHNIK GMBH · DE

Inventors

Guenter FORTMEIER · Kradepohlsmühle, DE
Thomas Henksmeier · Wadersloh, DE
Matthias Koerner · Bielefeld, DE
Aloys Schroeder · Paderborn, DE
Eugen Seibel · Bad Lippspringe, DE

Key dates

Filing date	Mar 30, 2018
Grant date	Oct 12, 2021
Priority date	—
Expiry date	Feb 27, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D19/12
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The disclosure relates to a method for producing a shaped sheet metal part from a billet by UO forming. First, a preform is created by the U-forming. Then, final forming to give a final form is carried out by the O-forming. The preform has in cross section a maximum width that is smaller than the maximum width of the final form produced after the O-forming.

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