Printing – Printing members – Rolling contact
Patent
1992-01-21
1992-12-08
Crowder, Clifford D.
Printing
Printing members
Rolling contact
101479, 101483, B41F 1310
Patent
active
051688085
ABSTRACT:
To securely attach a printing cylinder sleeve (3, 16, 28, 38, 38') over a cylinder core structure (2, 15, 27, 37), the core structure has grooves (4, 23, 29) located in the vicinity of axially remote end regions, which grooves are closed off by expansion rings (12, 25, 35, 38, 38'), which can be expanded by applying a hydraulic or pneumatic pressure medium, such as grease, or compressed air, between the core structure and the expansion ring. Connecting ducts, filled with grease, or connectable to a source of air pressure, are formed in the cylinder, connecting with the grooves therein.
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Crowder Clifford D.
Keating J. R.
MAN Roland Druckmaschinen AG
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