Method of making a wheel rim

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

1978-02-10

1980-01-29

Husar, Francis S.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29159R, B21H 110, B21K 138, B21D 5330

Patent

active

041853709

ABSTRACT:
An improved method of making vehicle wheel rims particularly suitable for use with materials having relatively low ductility, such as aluminum, is disclosed. A circumferential drop center well is formed about the periphery of the band and work hardened so that the well material exhibits higher strength and lower ductility than the remaining band material. The strength and ductility differential between the well and band material adjacent thereto assists in confining material movement in subsequent rim forming operations and induces drawing of the rim bead seat area material.

REFERENCES:
patent: 2181848 (1939-11-01), Le Jeune et al.
patent: 2185347 (1940-01-01), Le Jeune
patent: 3364550 (1968-01-01), Jessee et al.
patent: 3575035 (1971-04-01), Nokes
Metal Handbook by American Society for Metals; (1948), p. 771.

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