Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Patent
1994-01-04
2000-09-12
Lamb, Brenda A.
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
118 64, 118DIG2, 118DIG7, B05C 302
Patent
active
061172375
ABSTRACT:
The coater apparatus enclosure encloses the entire die of a coating apparatus includes an enclosure structure, a saturation station which saturates a supply gas with solvent, a device which supplies solvent-saturated gas to the enclosure to continuously purge the enclosure, and a device which controls the gas flow to the enclosure. The saturation station could include a heated jacketed vessel and a porous metal bubbler, or it could include a series of heat exchangers. No streaks can form due to coating fluid drying on the die lip because the gas supplied to the die enclosure is saturated with the solvent.
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Foss Richard J.
Milbourn Thomas M.
Nelson Kent D.
Yapel Robert A.
3M Innovative Properties Company
Lamb Brenda A.
Levine Charles D.
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