Printing – Processes
Reexamination Certificate
2006-09-19
2006-09-19
Nguyen, Anthony H. (Department: 2854)
Printing
Processes
C101S382100
Reexamination Certificate
active
07107907
ABSTRACT:
A printing cylinder for accepting an axially-removable printing sleeve includes a cylinder body having an outer surface, the outer surface having at least one hole and a supply line in the cylinder body for supplying fluid to the at least one hole. The supply line has at least one flow restrictor designed to alter fluid flow as a function of the at least one hole being covered by an axially-removable printing sleeve. Also provided is a printing press having two such cylinders and a common pressure source. A method for axially removing a printing sleeve over a printing cylinder includes the steps of applying fluid pressure to an inside of a printing sleeve located on a printing cylinder through holes at a work side end of the printing cylinder and through other holes between the holes at the work side end and a gear side end of the printing cylinder, sliding the printing sleeve in a direction of the work side end of the printing cylinder, and automatically restricting flow through the other holes when the printing sleeve no longer is located over the other holes.
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