Sheet heating device

Details Sheet heating device Sheet heating device

1989-10-24

1990-09-25

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219216, 355291, G03G 1520

Patent

active

049595296

ABSTRACT:
A sheet heating device having heat insulators for preventing at least one of sheet feeding roller and sheet discharge roller from being overheated. The sheet heating device includes a delivery unit for delivering a piece of sheet, a heating unit for heating the sheet on a delivery path of the sheet, a cover member for covering the heating unit and opening on a feed side and a discharge side of the sheet, respectively, and two pairs of rollers adapted to close respective openings of the cover member. The pair of rollers serve as heat insulators for avoiding overheating to the sheet feeding and discharging rollers. Shutter members are also available for heat insulation. The shutter members also serve to confine hot air within an interior of the heating device.

REFERENCES:
patent: 3440944 (1969-04-01), Endermann
patent: 3498592 (1970-03-01), Moser
patent: 4092658 (1978-05-01), Schroter
patent: 4384783 (1983-05-01), Sakata

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