Concentric double sleeve for a rotary printing cylinder

Details Concentric double sleeve for a rotary printing cylinder Concentric double sleeve for a rotary printing cylinder

1996-03-11

1998-07-21

Burr, Edgar S.

Printing

Intaglio

Rotary

101375, B41F 906

Patent

active

057821810

ABSTRACT:
An inner sleeve portion in the form of a spacer sleeve is disclosed for being torsionally rigidly mounted on a rotogravure or flexographic mandrel that is to be rotated about its axis when used in a printing machine. The outer surface of the inner sleeve portion torsionally rigidly supports by an interference fit, an outer sleeve portion (the printing sleeve) that carries the printing matrices. The inner sleeve portion has a plurality of air channels extending from the inner surface through the outer surface. Pressurized air flowing through the channels assists in expanding the diameter of the innermost surface of the outer sleeve portion for alternatively mounting the outer sleeve portion onto the inner sleeve portion and dismounting the outer sleeve portion from the inner sleeve portion.

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