Packing for a sheet-guiding cylinder in a processing machine

Details Packing for a sheet-guiding cylinder in a processing machine Packing for a sheet-guiding cylinder in a processing machine

2006-09-12

2006-09-12

Colilla, Daniel J. (Department: 2854)

Printing

Rolling contact machines

Rotary

C101S174000, C101S416100

Reexamination Certificate

active

07104195

ABSTRACT:
A printing and/or varnishing machine having a plurality of sheet-guiding cylinders in which at least one of the cylinders has an outer detachable packing which has enhanced ink repellent characteristics and which significantly reduces wear. The packing has a layered structure which includes a flexible backing material12, the underside of which is assigned to the base body of the sheet-guiding cylinder3, a coating13of molybdenum or tungsten carbide/cobalt which is adhesively applied to the upper side of the backing material12, and a sealing layer14of a material made from the group of polysiloxanes which is adhesively applied to the upper side of the coating13. The side of the packings5, 6which faces the material to be printed has a surface profile consisting of cones18with rounded tips16for reduced sheet contact.

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Internationaler Recherchenbericht, dated Sep. 24, 2002, 5 pages.

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