Sheet metal ribbon coating apparatus

Details Sheet metal ribbon coating apparatus Sheet metal ribbon coating apparatus

1977-12-05

1979-09-11

McIntosh, John P.

Coating apparatus

With stretching or tensioning

118 42, 118235, 226 92, 226118, B05C 108, B05C 1300

Patent

active

041671503

ABSTRACT:
Coating apparatus wherein a pretreated sheet metal ribbon passes from a supply coil successively through entry rolls, coating rolls, a curing oven, cooling apparatus, and tension rolls to a recoiler. The ribbon extends through the coating rolls and the curing oven as a long-span catenary. No looping facility is required. The apparatus incorporates novel leading end gripper means and trailing end gripper means for establishing and terminating the catenary in a manner which minimizes the unusable length of ribbon, that is, the uncoated leading end and uncoated trailing end of the processed ribbon. A method of initiating, maintaining, and terminating the catenary is disclosed.

REFERENCES:
patent: 2338143 (1944-01-01), Taylerson
patent: 2907565 (1959-10-01), Sauter
patent: 2980411 (1961-04-01), Buckholdt
patent: 3240411 (1966-03-01), Zarleng
patent: 3346159 (1967-10-01), Winkler

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