Slurry process for coating particles upon the viewing-window...

Details Slurry process for coating particles upon the viewing-window... Slurry process for coating particles upon the viewing-window...

B - Operations, Transporting

41

M

117/18

B41M 3/06 (2006.01) H01J 1/54 (2006.01) H01J 9/22 (2006.01) H01J 9/227 (2006.01)

Patent

CA 1041379

METHOD FOR COATING PARTICULATE MATERIAL UPON A VIEWING-WINDOW SURFACE OF A CATHODE-RAY TUBE Abstract The method comprises heating the viewing window of a cathode-ray tube to temperatures above 35°C, dispensing from a storage container onto a surface of the window a quantity of slurry comprised of particulate material mixed with a liquid vehicle, the quantity of slurry being in excess of that required to coat the surface, spreading the quantity of slurry over the surface whereby the slurry is heated thereby; collecting the excess slurry from the surface and returning it to the storage container, and removing the heat transferred to the excess slurry from the window. - 1 -

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