Paper fire Preventer

Details Paper fire Preventer Paper fire Preventer

1997-11-21

1999-02-16

Walberg, Teresa

Electric heating

Heating devices

Combined with diverse-type art device

399 69, 399331, G03G 1520

Patent

active

058723501

ABSTRACT:
A Nip Forming Fuser Roll (NFFR) fuser. The fuser is constructed to be self-stripping, that is, the roll contacted by the substrate carrying the toner images is fabricated from a relatively thick elastomeric material which under pressure exerted through contact of the nip forming members is sufficiently strained as the substrate passes in and out of the nip that the fuser roll is self-stripping. An external source of energy in addition to an internal source is used for elevating the surface temperature of the fuser roll member contacted by the toner image carrying substrate. A shield is provided for precluding contact of the external heat source by the substrate in the event of a misstrip. The shield which is fabricated from an infrared radiation transmissive polymer material is supported in intimate contact with the heated fuser member to minimize the presence of oxygen for minimizing the possibility of substrate combustion.

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patent: 5392701 (1995-02-01), Schiel
patent: 5571066 (1996-11-01), Katser
patent: 5636349 (1997-06-01), Landa et al.
patent: 5666627 (1997-09-01), Yamaguchi

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