Heating roller

Details Heating roller Heating roller

2005-06-28

2005-06-28

Walberg, Teresa J. (Department: 3742)

Electric heating

Heating devices

Combined with diverse-type art device

C219S470000

Reexamination Certificate

active

06911625

ABSTRACT:
A heating roller has a first heater lamp having a first filament made of tungsten, and a second heater lamp having a second filament wherein the second filament is a heating element whose resistivity value is greater than that of tungsten at a room temperature.

REFERENCES:
patent: 3398259 (1968-08-01), Tregay et al.
patent: 4967237 (1990-10-01), Sasaki et al.
patent: 5049726 (1991-09-01), Higgins et al.
patent: 5700994 (1997-12-01), Gheer et al.
patent: 6118106 (2000-09-01), Scott
patent: 2002/0061199 (2002-05-01), Horobin et al.
patent: 2002-15848 (2002-01-01), None
patent: 2002-258646 (2002-09-01), None

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