Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1977-10-21
1978-09-05
Newton, Dorsey
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29129, B60B 700
Patent
active
041108825
ABSTRACT:
A coating roller is formed of a cylindrical drum and a replaceable cover. The cover comprises a thin, dimensionally stable, sheet metal substrate upon which is laminated a thick, resilient elastomer layer. The opposite ends of the substrate are provided with springy tongue-like formations which removably fit into and resiliently adjust to opposed, adjacent grooves in the surface of the drum for securing the cover upon the drum. The cover is made by initially forming a flat sheet to the peripheral surface size of the drum, with the tongue-like formations on its opposite ends, and then bending and holding the substrate in a mold having a circular diameter greater than the drum diameter so that the ends of the substrate are widely spaced apart. The elastomer layer is molded upon the substrate and the composite plastic-sheet metal cover is removed from the mold and then applied upon the smaller diameter drum wherein the opposite ends of the substrate are closely adjacent each other.
REFERENCES:
patent: 3765329 (1973-10-01), Kirkpatrick et al.
patent: 3885486 (1975-05-01), Kirkpatrick et al.
patent: 3970001 (1976-07-01), Mollon et al.
Hodge Gerard
Holsgrove Robert J.
Kenhar Products Incorporated
Newton Dorsey
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