Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1974-02-28
1976-07-27
DiPalma, Victor A.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29123, 29132, 295272, 427336, 427348, 427372, 427377, 264263, 264341, B21H 114
Patent
active
039711153
ABSTRACT:
A roller to be used in apparatus for wet treatment of photographic material comprises a hollow metallic core and two inserts with coupling shafts provided therein. A coat of chemically resistant thermoplastic material is applied around and sealingly surrounds the core to protect it from the corrosive action of media used in the wet treatment process. The outer surface of the thus coated roller is thereupon machined to a high-quality finish.
REFERENCES:
patent: 2625735 (1953-01-01), Hitov
patent: 2763032 (1956-09-01), Fay
patent: 2975482 (1961-03-01), Babcock
patent: 3139826 (1964-07-01), Rainwater
patent: 3402449 (1968-09-01), Schroder
patent: 3750250 (1973-08-01), Brown
patent: 3772751 (1973-11-01), Lovett
Geyken Erwin
Kempe Horst
Macher Stephan
Schneider Siegfried
Thate Kurt
AGFA-Gevaert A.G.
DiPalma Victor A.
Striker Michael J.
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