Process for producing fixing roller

Details Process for producing fixing roller Process for producing fixing roller

1992-07-29

1994-07-12

Beck, Shrive

Coating processes

Roller applicator utilized

118232, 118258, 118259, B05D 128

Patent

active

053287355

ABSTRACT:
A process for producing a fixing roller comprising coating a fluorine resin dispersion onto a core by using a transfer coating apparatus comprising a transfer roller equipped with a fluorine resin dispersion temperature controller, a coating pan containing a fluorine resin dispersion, a driving system for revolving the core, and a core carrying mechanism for shifting the core, in which the core is brought close to the transfer roller at a gap allowing the core to pick up the fluorine resin dispersion having been picked up from the coating pan onto the transfer roller, and after a prescribed amount of the fluorine resin dispersion is transferred onto the core, the gap between the core and the transfer roller is widened by shifting the core away from the transfer roller thereby to separate the core from the transfer roller, the coating apparatus further comprising a thin plate on both sides of the transfer roller for preventing the fluorine resin dispersion in contact with both ends of an effective coating width of the core from migrating to the inside of the effective coating width while the gap is widened.

REFERENCES:
patent: 2511625 (1950-06-01), Dungler
patent: 3508523 (1970-04-01), Meerleer
patent: 4819020 (1989-04-01), Matsushiro et al.
patent: 5035950 (1991-07-01), Del Rosario
patent: 5123151 (1992-06-01), Uehara et al.

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