Method of apparatus of applying a liquid to a plane surface

Details Method of apparatus of applying a liquid to a plane surface Method of apparatus of applying a liquid to a plane surface

1987-10-22

1988-08-23

Beck, Shrive P.

Coating processes

Roller applicator utilized

118207, 118260, 118259, B05D 128

Patent

active

047660163

ABSTRACT:
The present invention a method of applying a liquid to a plane surface in very thin and uniform layer, the method including the steps of supplying a liquid at a predetermined rate to a liquid impregnating member through a variable displacement pump the displacement of which can optionally be controlled, maintaining the liquid impregnating member at its saturated state and contacting the liquid impregnating member in the saturated state with a roller with a predetermined pressure under the action of a spring.
The present invention also provides an apparatus of applying a liquid to a plane surface in very thin and uniform layer, the apparatus comprising a variable displacement pump the displacement of which can optionally be controlled exactly, a roller for uniformly applying liquid to a plane surface, a liquid impregnating member receiving the liquid at a predetermined rate from the variable displacement pump and maintained at its saturated state and a spring for contacting the liquid impregnating member with the roller with a predetermined pressure, whereby the liquid can uniformly be transferred from the liquid impregnating member to the roller means and then the liquid can uniformly be applied from the roller to the plane surface.

REFERENCES:
patent: 950277 (1910-02-01), Current et al.
patent: 2366198 (1945-01-01), Kresse et al.
patent: 2510390 (1950-06-01), Dulken et al.
patent: 2660791 (1953-12-01), Howell et al.
patent: 3468286 (1969-09-01), Nugarus
patent: 4079694 (1978-03-01), Galinou
patent: 4359963 (1982-11-01), Saito et al.
patent: 4471713 (1984-09-01), Cote et al.

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