Adjustable sealing dams for a coating machine and method

Details Adjustable sealing dams for a coating machine and method Adjustable sealing dams for a coating machine and method

1985-03-20

1986-12-02

McIntosh, John P.

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

118413, 118415, B05C 502, B05D 126

Patent

active

046264523

ABSTRACT:
Apparatus and method for a coating machine of the type which comprises a vertically disposed coating blade (30) beneath which a traveling web (W) passes through the coating machine for application of a coating compound. A trough feed system (48) supports the weight of the coating compound in close proximity to the coating blade to define a metering gap (60) for metering the coating compound. An adjustable mounting assembly (32, 34) provides adjustment of the trough longitudinally with respect to the coating blade to thereby vary the width of the metering gap. A pair of adjustable end dams (B) are carried within the interior of the trough (48) for containing the width of the coating compound to that generally of the fabric (W). The end dam comprises an adjustable frame (C) having an adjustable frame section (72) which bears against the trough and adjusts to the shape of the trough when moved. A relatively stationary vertical leg (70) is braced against the coating blade. An end dam plate (D) is carried on the adjustable frame (C). The end dam plate is affixed (66, 94 ) within the trough. Air cylinders (98, 102) are provided for bracing the vertical frame section (70) against the coating blade and for bracing the adjustable section (72) against the interior contour of the trough.

REFERENCES:
patent: 2022322 (1935-11-01), Pelton
patent: 2190809 (1940-02-01), Strauch
patent: 2918899 (1959-12-01), Munton et al.
patent: 3169082 (1965-02-01), Krikorian

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