Coating apparatus with coating die

Details Coating apparatus with coating die Coating apparatus with coating die

1992-12-15

1995-05-02

Ball, Michael W.

Coating apparatus

Control means responsive to a randomly occurring sensed...

Responsive to condition of coating material

118200, 118259, 118419, 118429, 118679, 118672, 118712, B05C 108, B05C 318

Patent

active

054115892

ABSTRACT:
The present invention is to provide an apparatus for coating an advancing web on a backup roller Using a coating roller, which enables one to measure and control a coating gap between a lip surface of a coating die and the coating roller. The apparatus includes an extended portion which extends outward from each end of a slit portion of the coating die and has a reference surface parallel to the lip surface, the coating die is slidably located on a frame, a distance sensing means is fixed on each side of the coating roller, a distance is measured from the distance sensing means to the surface of the extended portion and the coating gap is controlled by sliding the coating die in a radial direction of the coating roller. Coating material is thereby controllably transferred from the coating roller to the web.

REFERENCES:
patent: 2704530 (1955-03-01), Nilson et al.
patent: 3931786 (1976-01-01), Teed
patent: 3996883 (1976-12-01), Gusarov et al.
patent: 4891240 (1990-01-01), Ward et al.
patent: 4930440 (1990-06-01), Shirono
patent: 5052338 (1991-10-01), Maiorca et al.

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