Coating apparatus – Immersion or work-confined pool type – Work-confined pool
Patent
1981-11-10
1984-01-10
McIntosh, John P.
Coating apparatus
Immersion or work-confined pool type
Work-confined pool
B05C 502
Patent
active
044247621
ABSTRACT:
An extrusion type coating apparatus for applying a coating film to a support has a bent doctor edge made of cemented carbide having a very large hardness. The bent doctor edge has a very large obtuse angle and the resulting doctor edge allows the coating film to be applied smoothly to the support. Since the doctor edge is made of cemented carbide having a very high hardness, the doctor edge is not unduly worn by abrasives contained in the coating film thereby improving the wear-resistance of the apparatus.
REFERENCES:
patent: 2309981 (1943-02-01), Randall
patent: 2956494 (1960-10-01), Tyler et al.
patent: 3486482 (1969-12-01), Hunger
patent: 3556832 (1971-01-01), Park
patent: 4023526 (1977-05-01), Ashmus et al.
patent: 4142010 (1979-02-01), Pipkin et al.
Chikamasa Hiroshi
Noda Shinji
Tanaka Yasunori
Fuji Photo Film Co. , Ltd.
McIntosh John P.
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