Coating apparatus

Details Coating apparatus Coating apparatus

1989-02-16

1991-02-26

Hoag, Willard

Coating apparatus

Immersion or work-confined pool type

Work-confined pool

118419, B05C 312, B05C 500

Patent

active

049953397

ABSTRACT:
Disclosed is a coating head for coating a solution on a flexible support which is moved so as to run along a coating surface of the coating head. The coating surface is slitted so as to form a front face, a back face in order in the moving direction of the flexible support, and a slit therebetween so that the coating head extrudes the solution through the slit to the flexible support. The front face has an arc surface with a curvature radius of r.sub.1 and the back face wholly forms an arc surface with a curvature radius of r.sub.2 in the following equations 3 mm <r.sub.2 < 20 mm and 1 mm <r.sub.1 <r.sub.2 /2. Further, at least a part of the back face projects beyond the tangent line at the downstream end of the front face.

REFERENCES:
patent: 4480583 (1984-11-01), Tanaka et al.
patent: 4537801 (1985-08-01), Takeda
patent: 4577362 (1986-03-01), Tanaka et al.
patent: 4681062 (1987-07-01), Shibata et al.

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