Coating apparatus including liquid sealant between compartments

Details Coating apparatus including liquid sealant between compartments Coating apparatus including liquid sealant between compartments

1974-11-04

1976-06-22

Kaplan, Morris

Coating apparatus

Immersion or work-confined pool type

Work extending through pool-confining wall area

118506, B05C 315

Patent

active

039644340

ABSTRACT:
Apparatus is described for treating substances carried or affixed to a surface of a continuous substrate, e.g., a ribbon or tape, with successive treating fluids including liquids contained in a series of treating chambers, adjacent chambers being separated by a high surface tension liquid, e.g., mercury. The chambers may be defined by hollow walls having slots located below the level of the treating fluids in the adjacent treating chambers, such slots being dimensioned to allow passage of the tape between the adjacent treating chambers and to prevent dislocation of the high-surface tension liquid, which is located in the hollow walls and serves to wipe excess treating fluid from the tape during passage between the adjacent treating chambers, so as to prevent carryover therebetween.

REFERENCES:
patent: 1614562 (1927-01-01), Laise
patent: 2384500 (1945-09-01), Stoll
patent: 2458394 (1949-01-01), Lubosnez
patent: 2679823 (1954-06-01), Denham
patent: 3326177 (1967-06-01), Taylor
patent: 3516345 (1970-06-01), Meyer
patent: 3549424 (1970-12-01), Rice
patent: 3549424 (1970-12-01), Rice
patent: 3647530 (1972-03-01), Dyer
patent: 3658680 (1972-04-01), Combe et al.
patent: 3683846 (1972-02-01), Flournoy et al.
patent: 3854440 (1974-12-01), Astle

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