Method of making a hardened sheet metal article

Details Method of making a hardened sheet metal article Method of making a hardened sheet metal article

2005-04-12

2005-04-12

Yee, Deborah (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S647000, C148S649000

Reexamination Certificate

active

06878220

ABSTRACT:
In a method of making a hardened sheet metal article, at least one pot-shaped depression is formed in a sheet metal blank. Thereafter, the sheet metal blank is hot formed in a press mold to a sheet metal article, and the sheet metal article is hardened. The press mold provides hereby a calibration of the depression to provide the final shape.

REFERENCES:
patent: 24 25 486 (1975-05-01), None
patent: 1490 535 (1977-11-01), None
patent: 363274719 (1988-11-01), None
patent: PCTSE98/01354 (1999-02-01), None

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