Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1980-05-27
1982-05-04
Nerbun, Peter P.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29128, 29131, B21B 1302
Patent
active
043274676
ABSTRACT:
An inflated shell structure for a curing, embossing, or film winding nip roller having a rubber cover. Fundamentally, the invention includes a mandrel about which a rubber tube is spirally wound. Adhesively secured to the tube and about the mandrel is a bridge composite of plural layers, at least one of which is axially aligned with respect to the mandrel, and at least one of which is circumferentially aligned. Over the bridge network there is maintained a thin rubber cover having a thickness on the order of 0.250-1.0 inch. The tubing can be inflated under a source of gas pressure to give the roll a physical structure of rigidity and consistency. When used as a nip or bonder roller, the forces imparted to the roller are dissipated through the bridge assembly and the inflated tube, greatly limiting the amount of heat generated in the rubber cover.
REFERENCES:
patent: 689590 (1901-12-01), Johnson et al.
patent: 1226984 (1917-05-01), Muskett
patent: 1277995 (1918-09-01), Muskett
patent: 2157440 (1939-05-01), Streckfus et al.
patent: 2369635 (1945-02-01), Bacon
patent: 3707749 (1973-01-01), Henley
Goodyear Aerospace Corporation
Milliken P. E.
Nerbun Peter P.
Oldham E. W.
Weber R. L.
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