G - Physics – 03 – C
Patent
G - Physics
03
C
G03C 1/74 (2006.01) B05C 5/00 (2006.01) B05C 9/06 (2006.01)
Patent
CA 2089963
The present invention relates to a coating hopper for applying one or more layers of photographic liquid onto a web of paper or film support. The device incorporates a liquid passage system with a metering slot of defined width which leads to an expansion section having an increasing width as liquid moves away from the metering slot. The expansion section is connected to a discharge slot having a defined width greater than that of the metering slot which delivers photographic liquid to a location on the coating device where a layer of that liquid is formed.
Cette invention concerne une trémie d'alimentation d'applicateur d'émulsions photographiques en couches simple ou multiples sur une bande de papier ou une pellicule. Le dispositif comprend un réseau de passages de distribution comportant une fente doseuse de largeur définie qui débouche sur une section divergente qui s'élargit à mesure que l'on s'éloigne de ladite fente. Cette section divergente est reliée à une fente de distribution de largeur définie supérieure à celle de la fente doseuse, ladite fente de distribution déposant l'émulsion photographique à l'endroit où doit se former la couche d'émulsion correspondante.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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