Slide die coating method and apparatus with improved die lip

Details Slide die coating method and apparatus with improved die lip Slide die coating method and apparatus with improved die lip

1996-10-03

1998-04-21

Bareford, Katherine A.

Coating processes

Vacuum utilized prior to or during coating

427402, 118410, 118411, B05D 126, B05C 502

Patent

active

057415498

ABSTRACT:
A slide die coating method and apparatus includes a die having an upstream bar with an upstream lip, a manifold bars a downstream bar with a downstream lip, a vacuum bar, and a slide surface. The upstream lip is formed as a land and the first manifold bar is formed as a sharp edge. The coating fluid exits the die from a passageway and slides along the slide surface to form a continuous coating bead between the manifold bar sharp edge, the upstream die lip, and the surface being coated. The shape of the land conforms to the shape of the surface being coated. The die can include multiple passageways for coating multiple layers.

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