Apparatus and process for the prevention and removal of obstruct

Details Apparatus and process for the prevention and removal of obstruct Apparatus and process for the prevention and removal of obstruct

1999-03-31

2000-08-08

Chaudhry, Saeed T.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

427356, 118413, B08B 900, B05B 1300

Patent

active

060996560

ABSTRACT:
An apparatus and process prevents and removes obstructions in the discharge opening of a metering slot of a coating apparatus, or fountain applicator, applying a coating medium onto a moving material web. The process repeatedly removes obstructions from the discharge opening of the metering slot, thereby preventing defects in the applied coating. The apparatus includes a scraper disposed and translatory movable within the discharge opening in a direction transverse to the direction of movement of the material web.

REFERENCES:
patent: 5436030 (1995-07-01), Damrau
patent: 5558716 (1996-09-01), Mitani et al.
patent: 5795394 (1998-08-01), Belosterkovsky et al.
patent: 5858096 (1999-01-01), Madrzak et al.
patent: 5873940 (1999-02-01), Takahashi et al.
patent: 5940925 (1999-08-01), Gohler et al.
patent: 6027768 (2000-02-01), Koskinen et al.

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