Heater for sheet material

Details Heater for sheet material Heater for sheet material

1992-12-23

1994-04-19

Reynolds, Bruce A.

Electric heating

Heating devices

With heating unit structure

219216, 338307, H05B 316

Patent

active

053047842

ABSTRACT:
A heater for heating a moving sheet material by contact therewith is used, for example, in electrophotographic apparatus for fixing toner to printing paper. The heater comprises an insulating substrate formed with a striplike heating element on its upper surface, and a support plate for supporting the substrate. A higher heat preserving property is given to the opposite end portions of the heating element than to a longitudinal intermediate portion thereof to thereby compensate for a temperature reduction at the element end portions and make the heating element uniform in temperature over the entire length thereof.

REFERENCES:
patent: 5068517 (1991-11-01), Tsuyuki et al.
patent: 5153411 (1992-10-01), Nolebi
patent: 5162634 (1992-11-01), Kusaka et al.

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