JPS5818264U - heating fixing roller - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、電子写真装置等の記録装置の定着部の概略正
面図、第２図は、定着ローラの全体斜視図、第３図は、
本考案の一実施例を示す加熱定着ローラの部分断面図で
ある。 １・・・・・・定着ローラ、１１・・・・・・ヒータ、
１２・・曲芯金、１２ａ・・・・・・芯金の外周面、１
２ｂ・・・・・・芯金の端面、１３−−−−−−フラン
ジ、１３ａ・・・・・・フランジの外周面、１３ｂ・・
・・・・フランジの端面、１４・・曲弾性体層、１５・
・・・・・断熱部材。FIG. 1 is a schematic front view of a fixing unit of a recording device such as an electrophotographic device, FIG. 2 is an overall perspective view of a fixing roller, and FIG.
1 is a partial cross-sectional view of a heat fixing roller showing an embodiment of the present invention. 1... Fixing roller, 11... Heater,
12...Curved core metal, 12a...Outer peripheral surface of core metal, 1
2b...End face of core metal, 13-------flange, 13a...Outer peripheral surface of flange, 13b...
... End face of flange, 14 ... Curved elastic body layer, 15.
...Insulation member.

Claims (1)

【実用新案登録請求の範囲】 芯金と、これの外周に形成された弾性体層と、これらを
加熱する加熱源とを有する加熱定着ローラにおいて、 外気に接触している芯金の両端部表面のうち、少なくと
も外周面と端面とを断熱材で被覆したことを特徴とする
加熱定着ローラ。[Scope of Claim for Utility Model Registration] In a heating fixing roller that has a core metal, an elastic layer formed on the outer periphery of the core metal, and a heat source that heats these, the surfaces of both ends of the core metal that are in contact with the outside air. A heating fixing roller characterized in that at least an outer circumferential surface and an end surface thereof are covered with a heat insulating material.