Printing cylinder

Details Printing cylinder Printing cylinder

1994-10-03

1996-04-16

Eickholt, Eugene H.

Printing

Printing members

Rolling contact

1013891, 492 4, 492 58, B41F 1310

Patent

active

055072283

ABSTRACT:
A new and improved printing cylinder or image carrier sleeve which is formed of either carbon fiber/particles or from a relatively thin flat sheet of metal. The flat sheet of metal, for example, stainless steel or tin, is rolled to form a cylinder of desired diameter and welded together along the longitudinal edges. The weld seam or spots may be filed to have a substantially flat and smooth surface. Also disclosed is a mandrel assembly having an outer expansion sleeve member with one or more yield or preferential expansion regions, for example, circumferential grooves for applying pressure to effect outward expansion of said outer sleeve member.

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