Method of detecting abnormality in heat roller

Details Method of detecting abnormality in heat roller Method of detecting abnormality in heat roller

1988-09-23

1990-01-30

Jennings, Derek S.

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207117, 219216, G23N 1500

Patent

active

048976962

ABSTRACT:
An abnormality in a rotatable heat roller is detected by measuring its temperature at a specified time after the heating of the roller is started. This specified time is not fixed but is variably set according to the length of time during which the roller is rotated.

REFERENCES:
patent: 4104692 (1972-08-01), Sudo et al.
patent: 4232959 (1980-11-01), Ateya et al.
patent: 4415800 (1983-11-01), Dodge et al.

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