Polyurethane roll cover for calender roll for papermaking machine

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United States of America Patent

PATENT NO 10384428
APP PUB NO 20170137998A1
SERIAL NO

15349259

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Importance

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Abstract

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A calender roll for a papermaking machine includes: a substantially cylindrical core; and a cover circumferentially surrounding the core. The cover comprises a base layer circumferentially overlying the core; and a topstock layer comprising polyurethane circumferentially overlying the base layer, the topstock layer being fiber reinforced, the polyurethane having a glass transition temperature of between about 120 and 150° C., the topstock layer having a hardness of 70 to 90 ShD.

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Patent Owner(s)

Patent OwnerAddress
STOWE WOODWARD LICENSCO LLC14101 CAPITAL BOULEVARD YOUNGSVILLE NC 27596

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hill, Christopher Strasburg, US 37 300
Hunter, Charles Winchester, US 9 39
Tyson, Christopher Clear Brook, US 4 1
Xu, Jun Frederick, US 1004 7793

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