Method of curing strip coating

Details Method of curing strip coating Method of curing strip coating

1978-04-10

1980-06-10

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 32, 34 79, 110210, 110345, F26B 304

Patent

active

042065534

ABSTRACT:
A method for drying or curing a coating on a strip passing through an oven having a number of oven zones comprises continuously moving such a strip sequentially through the oven zones, in each of which oven gases are continuously circulated about the strip to entrain vaporized solvent. Solvent-carrying gases are then removed from at least one such oven zone and transferred untreated to a solvent incinerator disposed essentially at a different one of such oven zones and in which they are incinerated to oxidize the solvent vapors contained in such gases. After incineration, the gases are discharged at an elevated temperature and with a reduced solvent vapor content into such a different one of the oven zones so as then to mix with the oven gases circulating in that zone so as in turn to maintain a stable solvent vapor content and operating temperature in that zone.

REFERENCES:
patent: 3868779 (1975-03-01), Wilt, Jr. et al.
patent: 3923449 (1975-12-01), Brock

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