Method of forming a corner portion of a torque converter by pres

Details Method of forming a corner portion of a torque converter by pres Method of forming a corner portion of a torque converter by pres

1998-03-30

1999-12-07

Larson, Lowell A.

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

B21D 2230

Patent

active

059963913

ABSTRACT:
The present invention relates to a press working process whereby a front cover and an impeller shell are deformed such that corner portions are formed on a blank material whereby the corner portions undergo minimal reductions in thickness. In the press working method, compressive force is applied parallel to the thickness of the blank to circumvent reduction in thickness during the deforming process.

REFERENCES:
patent: 2120595 (1938-06-01), Ash
patent: 2966873 (1961-01-01), Hoffman et al.

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