Pneumatic release mandrel

Details Pneumatic release mandrel Pneumatic release mandrel

1987-10-19

1989-01-03

Crowder, Clifford D.

Printing

Printing members

Rolling contact

291131, B41F 1310, B41F 1320

Patent

active

047948582

ABSTRACT:
A mandrel for the support of a printing cylinder includes a hollow cylindrical shell, the axial ends of which are enclosed by trunnions and expansion heads. Compressed air is admitted into the shell through one of the trunnions and escapes through apertures in the hollow shell and into the interior of a printing cylinder, and, is employed to expand a resilient sheath positioned on the printing cylinder.

REFERENCES:
patent: 3972488 (1976-08-01), Lee et al.
patent: 4089265 (1978-05-01), White et al.
patent: 4381709 (1983-05-01), Katz
patent: 4383483 (1983-05-01), Moss
patent: 4386566 (1983-06-01), Moss
patent: 4407199 (1983-10-01), Moss
patent: 4651643 (1987-03-01), Katz et al.

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