Support roller for paper-winding machine
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United States of America Patent
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Dec 10, 1996
Grant Date -
N/A
app pub date -
Apr 25, 1995
filing date -
Apr 26, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
In a paper-winding machine a paper web passes at least partially around a support roller rotating about an axis and the web is wound up on a windup roll bearing radially on the support roller. The support roller comprises a rigid tubular core having a substantially cylindrical outer surface and an outer layer of material on the outer surface. The layer of material has a thickness between 5 mm and 12 mm (preferably 6 mm to 8 mm), the material is a low-friction elastomer (preferably a nitrile or polyurethane rubber), and the material has a Shore A hardness of between 65 and 80 (preferably 70 to 74).
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