Urethane covered paper machine roll with vented interface betwee

Details Urethane covered paper machine roll with vented interface betwee Urethane covered paper machine roll with vented interface betwee

1983-10-17

1985-11-12

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

100121, B60B 704

Patent

active

045518947

ABSTRACT:
Destruction of the bond of urethane roll covers to metal paper machine rolls is eliminated by venting the interface of the urethane and the metal to the atmosphere. Venting of the interface can be accomplished by drilling small holes through the roll periphery, by applying an adhesive substrate to the roll with grooves exposed to the atmosphere, by providing porous wicks between the roll and cover or by grooving the periphery of the roll to provide channels exposed to the atmosphere.

REFERENCES:
patent: 949437 (1910-02-01), Munk
patent: 1793688 (1931-02-01), Gardella
patent: 3056164 (1962-10-01), Reichel et al.
patent: 3239869 (1966-03-01), Komatsu
patent: 3757398 (1973-09-01), Urban
patent: 3975814 (1976-08-01), Harrowing

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