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US 5,205,213 AGranted
Axially symmetrical gapless layered sleeve printing blanket system
OwnerMichel Bressoninventor
Life of this patent
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Abstract
The present invention relates to a cylinder covered with a printing blanket. According to the invention the layered structure of the blanket is such that the blanket is held onto the cylinder while fully surrounding this cylinder without any gap in the manner of a sleeve. This cylinder together with the printing sleeve is applicable in any type of offset printing machine.
Claims13
A printing blanket comprising:
- a sleeve for mounting around a cylinder, said sleeve being gapless for rotational symmetry thereby minimizing vibration at high speeds, said sleeve comprising a gapless inner layer of cellular rubber operative for disposition around an outer surface of a cylinder, a gapless hard elastomeric layer disposed around said inner layer, and a gapless printing layer disposed around said hard elastomeric layer, said printing layer being operative to print ink onto paper.
Dependencies are inferred from the claim text.