Edge removal apparatus for curtain coating

Details Edge removal apparatus for curtain coating Edge removal apparatus for curtain coating

1997-02-05

1998-03-10

Bareford, Katherine A.

Coating processes

Falling curtain of coating material utilized

118324, 118DIG4, 427294, B05D 130

Patent

active

057259100

ABSTRACT:
The present invention is an edge blade attached to an edge guide for removing an edge of a falling curtain. The edge of the falling curtain is intercepted by the edge blade and is vacuumed away by a vacuum tube disposed near the edge blade wherein the blade is extending from the edge guide into the falling curtain to intercept a part of the free falling curtain and positioning the blade above the impingement of the falling curtain on the support wherein the blade is angled into the free falling curtain so that the blade is closest to the support where the part of the free falling curtain is intercepted and farthest from the support at the edge guide. Air to the vacuum tube is blocked from the outboard direction, and the tube is directed to draw air from the inboard direction towards the curtain.

REFERENCES:
patent: 3508947 (1970-04-01), Hughes
patent: 4647482 (1987-03-01), Degrauwe et al.
patent: 4830887 (1989-05-01), Reiter
patent: 5328726 (1994-07-01), Reiter
patent: 5395660 (1995-03-01), Ruschak et al.

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