JPS6139885U

JPS6139885U - Cartridge heater

Info

Publication number: JPS6139885U
Application number: JP12552184U
Authority: JP
Inventors: 信英宇留野
Original assignee: 株式会社日立ホームテック
Priority date: 1984-08-18
Filing date: 1984-08-18
Publication date: 1986-03-13

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案のカートリッジヒータの断面図、第２図
は第１図のＡ−Ａ断面図、第３図は従来のカートリッジ
ヒータの断面図である。１・・・シース管、２・・・発熱線、３・・・電気絶縁
材、４・・・熱電対、４１・・・熱電対の感熱部、５・
・・電極、６・・・シール材。FIG. 1 is a sectional view of the cartridge heater of the present invention, FIG. 2 is a sectional view taken along line AA in FIG. 1, and FIG. 3 is a sectional view of a conventional cartridge heater. DESCRIPTION OF SYMBOLS 1... Sheath tube, 2... Heat generating wire, 3... Electrical insulating material, 4... Thermocouple, 41... Heat sensitive part of thermocouple, 5...
...Electrode, 6...Sealing material.

Claims

[Scope of utility model registration request]

A heating wire 2 with an electrode 5 connected thereto and a thermocouple 4 are inserted into a metal sheath tube 1 that is open only on one side, and the sheath tube 1
In the cartridge heater, the gap between the heating wire 2 and the thermocouple 4 is filled with an electrical insulating material 3, and the sheath tube 1 is reduced in diameter. A cartridge heater characterized in that a sheath tube 1 and a thermocouple 4 are welded together, and a heat sensitive part 41 of the thermocouple 4 is exposed on the surface of the sheath tube 1.