JPS5481541A - Sheath heater - Google Patents

Sheath heater

Info

Publication number
JPS5481541A
JPS5481541A JP14830777A JP14830777A JPS5481541A JP S5481541 A JPS5481541 A JP S5481541A JP 14830777 A JP14830777 A JP 14830777A JP 14830777 A JP14830777 A JP 14830777A JP S5481541 A JPS5481541 A JP S5481541A
Authority
JP
Japan
Prior art keywords
coil
terminal bars
heater
screw parts
sheath heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP14830777A
Other languages
Japanese (ja)
Other versions
JPS6136357B2 (en
Inventor
Isamu Akai
Shunji Namikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP14830777A priority Critical patent/JPS5481541A/en
Publication of JPS5481541A publication Critical patent/JPS5481541A/en
Publication of JPS6136357B2 publication Critical patent/JPS6136357B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Resistance Heating (AREA)

Abstract

PURPOSE: To prevent the separation of a part of a heater coil from terminal bars on account of tension exerted to them during the manufacturing processes of a sheath heater.
CONSTITUTION: In a sheath heater consisting of a heater coil 11 both ends of which are connected to terminal bars 12, and an outer cover metal pipe 16 which is filled with heat resistant insulator 17 and the diameter of which is reduced; screw parts 13 are made on the inner ends of the terminal bars 12, the heater coil 11 is screwed in to these screw parts 13 by a certain number of turns, metal pipes 14 are fitted over the screw parts, and the coil 11 and the metal pipes 14 are fixed to the terminal bars 12 with fusions 15. By so doing, the coil 11 will not be separated from the terminal bars 12 when the heat resistant insulator 17 is filled into the metal pipe 16 or the coil 11 is elongated when the diameter of the pipe 16 is reduced. By the way, 18 are the end seals.
COPYRIGHT: (C)1979,JPO&Japio
JP14830777A 1977-12-09 1977-12-09 Sheath heater Granted JPS5481541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14830777A JPS5481541A (en) 1977-12-09 1977-12-09 Sheath heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14830777A JPS5481541A (en) 1977-12-09 1977-12-09 Sheath heater

Publications (2)

Publication Number Publication Date
JPS5481541A true JPS5481541A (en) 1979-06-29
JPS6136357B2 JPS6136357B2 (en) 1986-08-18

Family

ID=15449850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14830777A Granted JPS5481541A (en) 1977-12-09 1977-12-09 Sheath heater

Country Status (1)

Country Link
JP (1) JPS5481541A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4532769B2 (en) * 2001-03-23 2010-08-25 積水化学工業株式会社 Manufacturing method of electrofusion joint
JP2016058304A (en) * 2014-09-11 2016-04-21 新熱工業株式会社 Electric heater and method of manufacturing electric heater

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01159227A (en) * 1987-12-17 1989-06-22 Sumitomo Heavy Ind Ltd Mold protecting device for braking and clamping device of mold using servomotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4532769B2 (en) * 2001-03-23 2010-08-25 積水化学工業株式会社 Manufacturing method of electrofusion joint
JP2016058304A (en) * 2014-09-11 2016-04-21 新熱工業株式会社 Electric heater and method of manufacturing electric heater

Also Published As

Publication number Publication date
JPS6136357B2 (en) 1986-08-18

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