Method for producing a hardened sheet metal section

Details Method for producing a hardened sheet metal section Method for producing a hardened sheet metal section

2005-09-27

2005-09-27

Yee, Deborah (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

C148S649000, C072S342100, C072S335000

Reexamination Certificate

active

06949151

ABSTRACT:
The invention relates to a method for producing a hardened sheet metal section from a flat blank, wherein the flat blank is provided with collared holes that are collared and with two groove-like indentations which serve to support the sheet metal blank on a conveyor during heating treatment in an oven; subsequently, the blank is formed in a press tool into a sheet metal section by warm forming and where, if required, the formed indentations can be flattened; and thereafter the section is hardened while remaining clamped within the tool.

REFERENCES:
patent: 6293134 (2001-09-01), Johnson
patent: 24 52 486 (1975-05-01), None
patent: WO 99/07492 (1999-02-01), None

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