JPS559308A - Sealing method of stem in fluorescent light - Google Patents

Sealing method of stem in fluorescent light

Info

Publication number
JPS559308A
JPS559308A JP8067978A JP8067978A JPS559308A JP S559308 A JPS559308 A JP S559308A JP 8067978 A JP8067978 A JP 8067978A JP 8067978 A JP8067978 A JP 8067978A JP S559308 A JPS559308 A JP S559308A
Authority
JP
Japan
Prior art keywords
stem
glass tube
fluorescent light
sealing method
contacted
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.)
Pending
Application number
JP8067978A
Other languages
Japanese (ja)
Inventor
Masatoshi Hayakawa
Norihiko Kondo
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.)
CKD Corp
Original Assignee
CKD Corp
Chukyo Electric 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 CKD Corp, Chukyo Electric Co Ltd filed Critical CKD Corp
Priority to JP8067978A priority Critical patent/JPS559308A/en
Publication of JPS559308A publication Critical patent/JPS559308A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

PURPOSE: To seal a stem without causing cullet by previously forming a node at the end of a glass tube, and heating and welding the flare portion, with it contacted with the end of the glass tube.
CONSTITUTION: After a node 11 being formed at the end of a glass tube 10, a stem 13 is inserted into the glass tube 10, and a flare 13 is contacted with an end 12 of the glass tube 10, then the contact portion is heated by a burner and welded. Finally, the end face is aligned with a butting ring 15, and the sealing of the stem is completed.
COPYRIGHT: (C)1980,JPO&Japio
JP8067978A 1978-07-03 1978-07-03 Sealing method of stem in fluorescent light Pending JPS559308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8067978A JPS559308A (en) 1978-07-03 1978-07-03 Sealing method of stem in fluorescent light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8067978A JPS559308A (en) 1978-07-03 1978-07-03 Sealing method of stem in fluorescent light

Publications (1)

Publication Number Publication Date
JPS559308A true JPS559308A (en) 1980-01-23

Family

ID=13725025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8067978A Pending JPS559308A (en) 1978-07-03 1978-07-03 Sealing method of stem in fluorescent light

Country Status (1)

Country Link
JP (1) JPS559308A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177230A (en) * 1984-09-20 1986-04-19 Ckd Corp Manufacture of bulb for ring-shaped fluorescent lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177230A (en) * 1984-09-20 1986-04-19 Ckd Corp Manufacture of bulb for ring-shaped fluorescent lamp

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