Internally piped print cylinder and method for making same

Details Internally piped print cylinder and method for making same Internally piped print cylinder and method for making same

2006-10-24

2006-10-24

Yan, Ren (Department: 2854)

Printing

Printing members

Rolling contact

C101S376000

Reexamination Certificate

active

07124685

ABSTRACT:
A print cylinder having a first header, a second header and a hollow cylinder body is internally piped. The first header includes an air inlet and an air outlet. The air outlet is sealingly connected to a central conduit which is sealingly attached to a disk, the disk being sealed about its perimeter to the cylinder body. The second header includes an air inlet and at least one air outlet, the air outlet being connected to a perimeter groove defined about the outer surface of the second header. Apertures are defined within the print cylinder immediately above the perimeter groove whereby an air flow continuum is created from the air inlet of the first header, through the central conduit, through the second header inlet and outlet, through the perimeter groove and through the cylinder apertures. Secondary apertures are defined within the cylinder body, each connected in an air flow continuum to the central conduit by means of secondary conduits.

REFERENCES:
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patent: 5904095 (1999-05-01), Nelson
patent: 6394943 (2002-05-01), Cormier et al.
patent: 6401615 (2002-06-01), Heinicke
patent: 6725774 (2004-04-01), Gottling et al.
patent: 6874415 (2005-04-01), Hoffmann et al.

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