Roll with composite coats

Details Roll with composite coats Roll with composite coats

1994-09-23

1996-10-15

Thibodeau, Paul J.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34108, 34118, 428621, 428626, 428667, 428679, 428681, 428161, 428213, 428217, 428323, 428328, 428421, 492 47, 492 53, 492 54, 162273, 1623591, F26B 1500, B32B 516, B32B 702, B32B 1500

Patent

active

055641962

ABSTRACT:
A roll used for tensioning a canvas belt used to hold paper against a dryer. The roll includes a main cylindrical body formed of steel. A layer formed of a metal harder than steel is disposed over the outer surface of the main body. The metal layer is formed with a channel around its center so as to define two spaced roll end sections of a common diameter. A fluororesin layer is disposed in the metal layer channel and is shaped so as to have an outer surface of a diameter equal to that of the metal layer end sections.

REFERENCES:
patent: 3796423 (1974-03-01), Shuster
patent: 3942230 (1976-03-01), Nalband
patent: 4505573 (1985-03-01), Brewington et al.
patent: 5023985 (1991-06-01), Salo et al.
patent: 5283121 (1994-02-01), Bordner

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