Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1988-02-04
1989-05-02
Echols, P. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
72361, 228140, 301 37T, 4285428, B21D 5326
Patent
active
048255246
ABSTRACT:
A stainless steel wheel trim ring is constructed of an outer ring and a grip annulus. The outer ring is formed of a sheet metal band which is constructed from a rectangular blank having a pair of wedge shaped strain relief notches in a longitudinal edge adjacent to each end. The blank is welded at the joined ends to form the band. During manufacture, the band is expanded in the order of 25% at the longitudinal edge. A crimped peripheral bead along the longitudinal edge secures the grip annulus to the outer ring.
REFERENCES:
patent: 2082803 (1937-06-01), Lyon
patent: 2368229 (1945-01-01), Lyon
patent: 3798728 (1974-03-01), Beisch
Del-Met Corporation
Echols P. W.
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