BLANKET CYLINDER FOR OFFSET PRINTING PRESS AND ITS MANUFACTURE

PURPOSE:To provide a blanket cylinder without seams thereby allowing the endless use of the whole circumference thereof and its manufacture. CONSTITUTION:This is a blanket cylinder having a thermally shrinkable cylindrical blanket mounted. The cylindrical blanket is formed of a thermoplastic elastom...

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1. Verfasser: NARUSE NORIO
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To provide a blanket cylinder without seams thereby allowing the endless use of the whole circumference thereof and its manufacture. CONSTITUTION:This is a blanket cylinder having a thermally shrinkable cylindrical blanket mounted. The cylindrical blanket is formed of a thermoplastic elastomer with the modulus of compression of 2.0-10.0kg/cm /0.01mm. The cylindrical blanket may comprise a plurality of layers. In order to manufacture this blanket cylinder, a thermally shrinkable cylindrical blanket is first obtained, and fitted with a blanket cylinder. The cylindrical blanket is shrunken and fixed to the blanket cylinder by a heat treatment. Alternatively, the diameter of the cylindrical blanket is formed 1-20% smaller than that of the blanket cylinder, and is widened by the air pressure to fix the blanket to the blanket cylinder.