Heat roller type fixing device and method of producing the same

Details Heat roller type fixing device and method of producing the same Heat roller type fixing device and method of producing the same

1988-06-20

1990-12-11

Walberg, Teresa J.

Electric heating

Heating devices

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

219216, 524267, 524268, 355290, G03G 1520

Patent

active

049773089

ABSTRACT:
A heat roller type fixing device having a fixing roller and a pressing roller and applicable to an electrophotographic copier or like image forming apparatus, and a method of producing the same. The pressing roller is produced such that the content of 3- to 15-mer, preferably 3- to 10-mer, low-molecular weight siloxanes (oligomers) which are contained in the roller is less than 300 parts per million. While the fixing device is in operation, chargers built in the image forming apparatus are prevented from being whitened by pologomers which are evaporated from the pressing roller.

REFERENCES:
patent: 3936578 (1976-02-01), Dumoulin
patent: 4585705 (1986-04-01), Broderick

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