Electric heating – Heating devices – Combined with diverse-type art device
Patent
1982-11-03
1985-05-21
Evnall, Jr., Roy N.
Electric heating
Heating devices
Combined with diverse-type art device
219388, 219469, 34140, H05B 100, G03D 1502
Patent
active
045188459
ABSTRACT:
A device for high quality development of latent image on a strip of heat developable paper or film. The devices includes a heat conductive member which affords conduction of a uniform predetermined quantity of heat to all areas of the paper. The heat conductive member includes means to vent moisture from the paper to the atmosphere during the development process, to aid in bringing about uniform development of the paper or film. The heat conductive member may further include means to provide uniform pressure to the film or paper during the development process.
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"Developing 3M Brand Dry Silver Films and Papers", 3M Company, St. Paul, Minnesota (Jan. 1978).
Evnall, Jr. Roy N.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
Walberg Teresa J.
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