Patent · US Expired

Device and method for mechanically joining sheet metal

US6862913B2 · kind B2 · utility

16Cited by

7References

16Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Klaus Lempenauer · Ulm, DE
Detlef Nowotni · Grabenstetten, DE
Volkmar Schuler · Ulm, DE

Key dates

Filing date	Dec 11, 2002
Grant date	Mar 8, 2005
Priority date	—
Expiry date	May 11, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/53065
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The present invention is directed to a method and a device for clinching metal sheets disposed one over the other in planar fashion. A joining tool, composed of a punch and a die having an anvil, is used to jointly displace metal sheets, profiles, or multi-sheet connections, out of the sheet-metal plane, under the action of forming energy introduced by ultrasound, compressing and integrally connecting the same.

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