Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Patent
1983-01-17
1984-04-03
McIntosh, John P.
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
118413, B05C 318
Patent
active
044401051
ABSTRACT:
An applicator for applying a coating liquid to a moving web of paper carried through an application zone, wherein the applicator has a chamber for receiving the coating liquid and an opening thereto for directing the liquid into an application zone and onto the web, the zone being established between a front wall of the chamber and a doctor blade extending from a rear side of the opening across and against the web, is characterized by a readily removable and replaceable orifice plate on the front wall, which extends toward and closely spaced from the web to define with the web a gap through which coating liquid in the zone flows to form a liquid seal. Because the orifice plate may readily be removed and replaced, orifice plates of different heights may be used with the applicator, so that simply by selecting a particular orifice plate for use, the gap in which the liquid seal is established may be made to have a predetermined size.
REFERENCES:
patent: 3255038 (1966-06-01), Coghill
patent: 4028081 (1977-06-01), Marcatili
patent: 4250211 (1981-02-01), Damrau et al.
patent: 4308045 (1981-12-01), Miller
Consolidated Papers Inc.
McIntosh John P.
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