JPS6111293U - Cartridge heater - 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) [Abstract] 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・・・・・・ボビン、２・・・・・・電熱線、４・・
・・・・シース管。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. 1...Bobbin, 2...Heating wire, 4...
...sheath tube.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端が開口した金属製のシース管４内に発熱体を挿入す
るとともに、このシース管４と発熱体の隙間に電気絶縁
粉末５を充てんし、このシース管４を減径してなるカー
トリッジヒータにおいて、前記発熱体を構成する電熱線
２をボビン１に巻回し、その両端２１．２２を折返して
ボビン１の貫通孔１１．１２に挿通し、さらに前記貫通
孔１１，１２内に折返した電熱線２にそって端子棒３１
，３２を挿入し、シース管４を減径してなるカートリッ
ジヒータ。In a cartridge heater, a heating element is inserted into a metal sheath tube 4 with one end open, and the gap between the sheath tube 4 and the heating element is filled with electrical insulating powder 5, and the diameter of the sheath tube 4 is reduced. , the heating wire 2 constituting the heating element is wound around the bobbin 1, its both ends 21.22 are folded back and inserted into the through holes 11.12 of the bobbin 1, and the heating wire is further folded back into the through holes 11, 12. Terminal bar 31 along 2
, 32 is inserted, and the sheath tube 4 is reduced in diameter.