Trough-shaped sheet metal component with a deeper and a shallowe

Details Trough-shaped sheet metal component with a deeper and a shallowe Trough-shaped sheet metal component with a deeper and a shallowe

1980-04-23

1982-11-16

Gilden, Leon

Internal-combustion engines

Frame construction

Horizontal cylinder

184106, 184 65, E01M 1106

Patent

active

043590233

ABSTRACT:
A trough-shaped sheet metal component with a deeper and a shallower portion such as an oil pan for combustion engines, and a method of deep-drawing it. In the transition between the deeper and the shallower portion, the edge between the bottom of the shallower portion and its side walls is made with a much shorter radius than the central portion. In deep-drawing the shallower portion and the transitional area, a pressure pad is used in the transitional area, where the material is locked in between die and pressure pad, so that working only takes place by bending in the edge areas.

REFERENCES:
patent: 3354988 (1967-11-01), Leonard
patent: 3422806 (1969-01-01), Lorean
patent: 3653464 (1972-04-01), Jacobsen et al.
patent: 3724599 (1973-04-01), Heidacker
patent: 4121557 (1978-10-01), Congram et al.
patent: 4280453 (1981-07-01), List et al.

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