Paper feed roller
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United States of America Patent
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Sep 10, 1996
Grant Date -
N/A
app pub date -
Jul 19, 1994
filing date -
Jul 20, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A paper feed roller for delivering and feeding paper, which has a high coefficient of friction that is not affected by changes in temperature or humidity, good hardwearing properties, and is low in ink transferability. The paper feed roller includes a coating layer formed of an elastic material such as rubber which is formed on a surface of a core material molded of a foamed material such as sponge. A bonding agent having an elasticity such as denatured silicon is coated on the surface of the coating layer. Ceramic particles are embedded and fixed in the bonding agent In an alternative embodiment the bonding agent is directly coated on the surface of core material which is molded from a pliable material such as soft rubber and sponge.
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