Self-contained inflatable crown roll

Details Self-contained inflatable crown roll Self-contained inflatable crown roll

1983-06-09

1985-11-19

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29129, B21B 3100

Patent

active

045532966

ABSTRACT:
A self-contained inflatable variable crown roll having a circumferential cavity between sleeve and arbor has means to connect that roll cavity to an external high pressure fluid pump when the roll is not rotating. The roll preferably has a reservoir within its arbor which is charged with hydraulic fluid and valved means connecting the roll cavity with the reservoir. The reservoir preferably encloses a fluid-tight bag which is inflated with a gas to maintain pressure therein as hydraulic fluid is withdrawn. A collecting chamber is preferably included within the arbor for receiving hydraulic fluid released from the roll of cavity.

REFERENCES:
patent: 1277995 (1918-09-01), Muskett
patent: 3140512 (1964-07-01), Hausman
patent: 3457617 (1967-01-01), Noe et al.
patent: 4062096 (1977-12-01), Eibe
patent: 4315346 (1982-02-01), Demuth

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