Method of making a wheel rim

Details Method of making a wheel rim Method of making a wheel rim

1989-04-21

1990-10-16

Echols, P. W.

Metal working

Method of mechanical manufacture

Wheel making

72 83, B21H 110

Patent

active

049625870

ABSTRACT:
A method for producing vehicle wheel rims is disclosed. The method, as applied to a wheel rim preform having given axial width and having bead seat areas, as well and an inboard leg, entails a thinning and stretching operation applied to the well and inboard leg thereby producing a finished wheel rim having an axial width greater than the axial width of the preform and a weight of twenty to thirty percent less than similar prior art wheel rims.

REFERENCES:
patent: 3255518 (1966-06-01), Golata
patent: 3258833 (1966-07-01), Schuttler
patent: 3846886 (1974-11-01), Schroder et al.
patent: 4127020 (1978-11-01), Bosch
patent: 4185370 (1980-01-01), Evans
patent: 4528734 (1985-07-01), Beyer

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