Process for manufacturing alloy wheels for vehicle tires

Details Process for manufacturing alloy wheels for vehicle tires Process for manufacturing alloy wheels for vehicle tires

1989-11-27

1990-09-04

Larson, Lowell A.

Metal working

Method of mechanical manufacture

Wheel making

72 68, B21D 2216

Patent

active

049532758

ABSTRACT:
A process for forming an alloy vehicle wheel from a plate of a cast or forged alloy material including the steps of roll-forming a perimeter portion of the plate to draw material in the perimeter portion radially outwardly therefrom and reduce the transverse dimension of the perimeter portion, bifurcating the roll-formed perimeter portion of the plate into a pair of opposed flared end portions, and spin forming the flared end portions to define the outer and inner rim portions of the wheel and the outer and inner rim flanges thereof.

REFERENCES:
patent: 1041567 (1912-10-01), Ashton
patent: 1389937 (1921-09-01), Cockrill
patent: 1623883 (1927-04-01), Michelin
patent: 2075294 (1937-03-01), Le Jeune
patent: 2633765 (1953-04-01), Glasner
patent: 2868258 (1959-01-01), Powers
patent: 3443411 (1969-05-01), Anthony
patent: 4142569 (1979-03-01), Walther et al.
patent: 4466670 (1984-08-01), Kaji
patent: 4532786 (1985-08-01), Schaible
patent: 4693104 (1987-09-01), Mori
patent: 4770220 (1988-09-01), Mori

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