Device for spreading monolayered films

Details Device for spreading monolayered films Device for spreading monolayered films

1980-09-08

1982-11-16

Lawrence, Evan K.

Coating apparatus

Solid member or material acting on coating after application

15104S, 118500, B05C 1104, B05C 1302, B05C 1710

Patent

active

043590136

ABSTRACT:
A spreader, movable over a base, for coating a microscope slide or the like mounted on a supporting surface of the base with a single uniform layer of a fluid. The spreader comprises a support having legs for engaging the supporting surface, pressure pads for engaging the slide to hold the support above the slide having a fluid thereon and a bar extending transversely along the lower surface of the support for uniformly spreading the fluid to create a monolayered film on the upper surface of the slide as the spreader is drawn over the slide. The bar has a flat section which is maintained parallel to the slide and sloped surfaces extending upwardly toward the support from the flat section. Ramps are provided in tracks of the base to permit the bar to evenly disengage from contact with the film.

REFERENCES:
patent: 2655898 (1953-10-01), McNeil
patent: 2746075 (1956-05-01), Gardner
patent: 3683850 (1972-08-01), Grabhorn
patent: 3880111 (1975-04-01), Levine et al.
patent: 3888206 (1975-06-01), Faulkner
patent: 4030341 (1977-06-01), Sullivan
patent: 4151915 (1979-05-01), Levine et al.

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