Title:
COLD FORGING APPARATUS AND METHOD FOR FORMING COMPLEX ARTICLES
Document Type and Number:
WIPO Patent Application WO2004043624
Kind Code:
A3
Abstract:
A cold forging apparatus for forming complex shapes at a single station includes a plurality of multiple function punch assemblies disposed on intersecting axes. Each of the multiple function punch assemblies includes an inner punch (10) and an outer punch (12) and an outer or ring-shaped surrounding and in sliding contact with the inner punch. The apparatus also includes a die holder (14) for positioning a mass or slug of metal between the punches. A computer system (130) controls movement of the punches and is programmable to form parts of different shapes at a single station. Off axis punches and angularly offset punches and an additional punch or punch assembly are also disclosed.
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Inventors:
TRAVIS RAY (US)
STONE PAUL (US)
STONE PAUL (US)
Application Number:
PCT/US2003/035039
Publication Date:
December 09, 2004
Filing Date:
November 12, 2003
Export Citation:
Assignee:
TRAVIS RAY (US)
STONE PAUL (US)
STONE PAUL (US)
International Classes:
B21C23/20; B21C25/08; B21J5/00; B21J5/02; B21J7/14; B21J9/02; B21J9/18; B21J9/20; B21J13/02; (IPC1-7): B21J13/02
Foreign References:
| US2424075A | 1947-07-15 | |||
| US4299112A | 1981-11-10 | |||
| US4644775A | 1987-02-24 | |||
| JPH05177291A | 1993-07-20 | |||
| US5823104A | 1998-10-20 |
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