Process for treating metal rolls

Details Process for treating metal rolls Process for treating metal rolls

1998-10-23

2000-10-24

Chen, Vivian

Coating processes

With pretreatment of the base

Heating or drying pretreatment

427299, 427314, 427327, 427409, 4274301, 427435, B05D 118, B05D 300, B05D 302

Patent

active

061363766

ABSTRACT:
A process for treating the surface of a metal roll, to extend the rolling campaign of the roll and ultimately the work life of the roll in a metal forming operation, comprises the steps of heating the metal roll surface to a temperature of at least 100 degrees F., and enveloping the metal roll in a bath of perfluoroethylene resin and an aliphatic naphthene solvent for a time sufficient to coat the surface of the metal roll with the perfluoroethylene resin.

REFERENCES:
patent: 3574071 (1971-04-01), Covino
patent: 3942230 (1976-03-01), Nalband
patent: 4145326 (1979-03-01), Blackwell
patent: 4582632 (1986-04-01), Rokujo et al.
patent: 5843526 (1998-12-01), Lukacs, III et al.

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