Patent · US Expired

Process for the production of a shaped part from pieces of sheet metal of different thicknesses

US4902872A · kind A · utility

21Cited by

2References

5Claims

0Family size

Assignee

Thyssen Stahl AG · DE

Inventors

Adam Frings · Essen, DE
Wilfried Prange · Dinslaken, DE

Key dates

Filing date	Dec 21, 1988
Grant date	Feb 20, 1990
Priority date	—
Expiry date	Dec 21, 2008

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/12799
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A shaped member of welded pieces of sheet metal of different thickness, more particularly having a metallic anti-corrosion protection, for example of zinc, on at least one side, wherein the pieces of sheet metal are joined to one another by a laser-beam-butt-welding process and shaped as a unit.

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