Mandrel with multiple locking heads

Details Mandrel with multiple locking heads Mandrel with multiple locking heads

1988-08-31

1990-04-17

Crowder, Clifford D.

Printing

Printing members

Rolling contact

291131, B41F 1310, B41F 2706

Patent

active

049170139

ABSTRACT:
A mandrel for supporting printing sleeves and the like comprising a hollow cylinder with a multiplicity of expansion chambers axially spaced along the cylinder at its outer surface. Each chamber is closed by an expansion sleeve and connected to a separately controlled hydraulic line allowing each sleeve to be expanded independently of the others.

REFERENCES:
patent: 2289453 (1942-07-01), Randall
patent: 4383483 (1983-05-01), Moss
patent: 4386566 (1983-06-01), Moss
patent: 4407199 (1983-10-01), Moss

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