Oven for drying or curing a photosensitive material applied as a

Details Oven for drying or curing a photosensitive material applied as a Oven for drying or curing a photosensitive material applied as a

1989-12-12

1992-01-21

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Houses, kilns, and containers

34236, F26B 2500

Patent

active

050817736

ABSTRACT:
An improved type of oven is disclosed for drying or curing a photosensitive material applied by coating on a substrate or board.
The oven substantially comprises a substrate or board feeding station provided with a device for centering the boards, and which leads them, one by one, into the oven. Within the oven there is provided a first operating unit adapted to subject the substrates or boards to a rising motion, all the way up to the upper end thereof, where a device is provided to transfer one substrate or board at a time to a second operating unit, substantially identical to the first one, adapted to subject the substrates or boards to a lowering motion. At the lower end of the second operating unit there is provided a device for withdrawing and unloading those substrates or boards where the material has dried up or cured.
A device is also provided within the oven to heat the substrates or boards and there is further provided a cooling circuit for the outgoing substrates or boards, and eventually a safety device adapted to draw a vacuum within the oven when the inspection doors are opened while the oven is operating, in order to prevent noxiuos vapours from escaping out of the oven.

REFERENCES:
patent: 1753998 (1930-04-01), Podel
patent: 2632961 (1953-03-01), Robertson

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