Developing roller apparatus for reproduction machines

Details Developing roller apparatus for reproduction machines Developing roller apparatus for reproduction machines

1975-09-29

1977-12-27

Davis, Jr., Albert W.

Heat exchange

Movable heating or cooling surface

Rotary drum

165105, 219469, 219216, F28D 1102

Patent

active

040649334

ABSTRACT:
An improved developing roller for use in the development of heat-sensitive copy sheets in a reproduction machine which comprises a hollow, thin-walled heat conducting rotatable cylinder or drum having a relatively small diameter heat pipe mounted on or embedded in its inner wall and extending substantially between the ends of said cylinder in order to provide and maintain a uniform temperature across the outer surface of said cylinder in use.

REFERENCES:
patent: 3012141 (1961-12-01), Thomiszer
patent: 3562489 (1971-02-01), Lenk
patent: 3600550 (1971-08-01), Katsumata et al.
patent: 3632984 (1972-01-01), Brownscombe
patent: 3640517 (1972-02-01), Sendt
patent: 3651861 (1972-03-01), Deuring
patent: 3847208 (1974-11-01), Ollendorf
patent: 3952798 (1976-04-01), Jacobson et al.
patent: 3965334 (1976-06-01), Asselman et al.

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