Fixing roll in a copying machine

Details Fixing roll in a copying machine Fixing roll in a copying machine

1980-06-16

1982-09-07

Braun, Fred L.

Electric heating

Heating devices

Combined with diverse-type art device

219469, 355 3FU, 432 60, H05B 302, B21B 2706

Patent

active

043485790

ABSTRACT:
Heat and pressure fuser apparatus for fixing toner images to substrates passing through a nip formed between two pressure engaged roll structures, at least one of the roll structures being heated and contacting the toner images as the substrates pass through the nip. The apparatus being characterized by a heated fuser roll structure having a thin circumferential wall wherein reinforcing structure is provided internally thereof for rendering the thin circumferential wall sufficiently rigid to withstand the pressures to which it is subjected during fusing.

REFERENCES:
patent: 3612820 (1971-10-01), Punnett
patent: 4127764 (1978-11-01), Minden
patent: 4284875 (1981-08-01), Namiki et al.

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