Machine for the continuous reverse-coating of sheet-form materia

Details Machine for the continuous reverse-coating of sheet-form materia Machine for the continuous reverse-coating of sheet-form materia

1975-05-19

1976-11-23

McIntosh, John P.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Radiant heating

118202, 118203, 118259, B05C 108

Patent

active

039930254

ABSTRACT:
An installation for the continuous coating of sheet material with polyurethane foam includes a large diameter light weight rotating drum the outer surface of which is heated. A release agent and coating material is applied in thin superimposed layers to an upper portion of the drum. The sheet material to be coated is applied in tensioned condition to the remainder of the drum with the bottom face of the sheet material engaging the coating material so that the latter penetrates into the material and hardens, whereafter the sheet material is continuously withdrawn. The face of the sheet material which engages the coating material is preheated immediately upstream of the drum.

REFERENCES:
patent: 3032815 (1962-05-01), Gerber
patent: 3042968 (1962-07-01), Kraszeske
patent: 3239367 (1966-03-01), Demeter
patent: 3278659 (1966-10-01), Willy
patent: 3667422 (1972-06-01), Saladin
patent: 3682133 (1972-08-01), Gomarin et al.

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