JPS6156667U

JPS6156667U -

Info

Publication number: JPS6156667U
Application number: JP14090684U
Authority: JP
Priority date: 1984-09-19
Filing date: 1984-09-19
Publication date: 1986-04-16

Description

[Brief explanation of the drawing]

第１図〜第３図は、本考案の一実施例を示すも
ので、第１図は本考案の定着装置の説明断面図、
第２図は、その供給ロールの一部切欠き斜視図、
第３図はその長さ方向断面図をそれぞれ示し、又
第４図及び第５図は従来の定着装置の側断面図で
ある。〔符号説明〕、１……定着ロール、２……加圧
ロール、３……供給ロール、４，７，１０……芯
金、５，８……耐熱弾性体層、６……ランプ、９
……小孔、１１……耐熱性フエルト、１２……多
孔質シート、１３……蓋体、１４……突起部、１
５……離型剤、１６……用紙。 1 to 3 show an embodiment of the present invention, and FIG. 1 is an explanatory sectional view of the fixing device of the present invention;
FIG. 2 is a partially cutaway perspective view of the supply roll;
FIG. 3 shows a longitudinal sectional view thereof, and FIGS. 4 and 5 are side sectional views of the conventional fixing device. [Description of symbols], 1... Fixing roll, 2... Pressure roll, 3... Supply roll, 4, 7, 10... Core bar, 5, 8... Heat-resistant elastic layer, 6... Lamp, 9
... Small hole, 11 ... Heat-resistant felt, 12 ... Porous sheet, 13 ... Lid, 14 ... Protrusion, 1
5...Releasing agent, 16...Paper.

Claims

[Scope of utility model registration request]

In a fixing device that includes a fixing roll and a pressure roll that rotate while being pressed against each other, and fixes the unfixed toner image by passing a sheet of paper on which an unfixed toner image is formed between these rolls, at least the fixing roll Alternatively, either one of the pressure rolls is provided with a supply roll that rotates in pressure contact with the surface of the pressure roll, and this supply roll has a plurality of small holes on the outer peripheral surface, and a liquid separator is contained inside the supply roll. A fixing device comprising a cylindrical body that holds a molding agent, and a heat-resistant elastic material with a high porosity and a porous heat-resistant thin film material that sequentially cover the outer peripheral surface of the cylindrical body.