JPS59146893U

JPS59146893U - Sea heater

Info

Publication number: JPS59146893U
Application number: JP4087383U
Authority: JP
Inventors: 浩一日比野; 高行森
Original assignee: 三菱電機株式会社
Priority date: 1983-03-22
Filing date: 1983-03-22
Publication date: 1984-10-01

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

[Brief explanation of drawings]

第１図と第２図は従来例を示すもので、第１図はシーズ
ヒータの要部断面図、第２図は絶縁ブロックの拡大斜視
図、第３図と第４図は本考案の実施例を示すもので、第
３図はシーズヒータの要部断面図、第４図は絶縁ブロッ
クの拡大斜視図である。図中、１は金属パイプ、２は発熱コイル、３は取り出し
端子、４はマグネシア粉末、５はガラス封口材、６はシ
リコンゴム、７は絶縁ブロック、７ａは貫通穴、７ｂは
小貫通穴である。なお、図中同一符号は同−又は相当部
分を示す。Figures 1 and 2 show conventional examples; Figure 1 is a sectional view of the main parts of a sheathed heater, Figure 2 is an enlarged perspective view of an insulating block, and Figures 3 and 4 are implementations of the present invention. To illustrate an example, FIG. 3 is a sectional view of a main part of a sheathed heater, and FIG. 4 is an enlarged perspective view of an insulating block. In the figure, 1 is a metal pipe, 2 is a heating coil, 3 is an extraction terminal, 4 is magnesia powder, 5 is a glass sealant, 6 is silicone rubber, 7 is an insulation block, 7a is a through hole, and 7b is a small through hole. be. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A heating coil with a take-out terminal connected through magnesia powder is inserted into a metal pipe, and the opening at the end of the metal pipe is sealed with room-temperature curing silicone rubber, and the end surface of the metal pipe is bonded to the silicone rubber. 1. A sheathed heater comprising an insulating block, the insulating block having a through hole in the center thereof through which an output terminal passes, and a plurality of small through holes around the through hole.