Coating processes – Coating by vapor – gas – or smoke – Base includes an inorganic compound containing silicon or...
Patent
1997-04-03
1999-01-26
Bareford, Katherine A.
Coating processes
Coating by vapor, gas, or smoke
Base includes an inorganic compound containing silicon or...
427402, 427420, 118324, 118410, 118411, 118DIG4, B05D 130, B05C 500
Patent
active
058636072
ABSTRACT:
A coating hopper (10) for coating a radiation-sensitive emulsion on a photographic support (24) is fabricated from hopper bars (12) comprising an inlet slot (16) and a discharge slot (18), said bar (12) comprising a body and hopper lip (22), wherein the body of the bar comprises a metal or metal alloy and the lip area comprises a ceramic insert (30) with a high elastic modulus and low density. The hopper with the ceramic insert prevents the formation of streaks in the emulsion coating layer or layers on the support.
REFERENCES:
patent: 5275660 (1994-01-01), Ozaki et al.
patent: 5484629 (1996-01-01), Ghosh et al.
Apr. 1994, Research Disclosure No. 36006, "Coating Apparatus and Method " pp. 183-185.
Chatterjee Dilip K.
Furlani Edward P.
Ghosh Syamal K.
Bareford Katherine A.
Eastman Kodak Company
Rosenstein Arthur H.
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