JPS6484569A - Tubular bulb - Google Patents

Tubular bulb

Info

Publication number
JPS6484569A
JPS6484569A JP24315187A JP24315187A JPS6484569A JP S6484569 A JPS6484569 A JP S6484569A JP 24315187 A JP24315187 A JP 24315187A JP 24315187 A JP24315187 A JP 24315187A JP S6484569 A JPS6484569 A JP S6484569A
Authority
JP
Japan
Prior art keywords
sealed end
circumferential direction
base
bulb
grooves
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
JP24315187A
Other languages
Japanese (ja)
Inventor
Akio Hokari
Mitsuhiro Sasaki
Masatoshi Nakamura
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP24315187A priority Critical patent/JPS6484569A/en
Publication of JPS6484569A publication Critical patent/JPS6484569A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To prevent a bulb and a base from being displaced relatively either in the axial direction or circumferential direction by forming recesses which are opposed to each other in the circumferential direction at the outside of a sealed end of a bulb and forming a protrusion extending in the axial direction. CONSTITUTION:Grooves 9, 9 which are almost parallel with each other and extend in the circumferential direction are formed at symmetrical positions in the circumferential direction on the periphery of a sealed end 3 of a bulb 1. In addition, protrusions 20, 20 extending in the axial direction are formed at symmetrical positions in the circumferential direction between the said grooves 9, 9. When organic bonding agent 5 is filled between the sealed end 3 like this and a base 4 put on it, the bonding agent 5 is poured into the grooves 9, 9 and hardened, and the base 4 is prevented from coming off from the sealed end 3. And this bonding agent 5 engages mechanically with the protrusions formed at the periphery of the sealed end 3, so the base 4 is prevented from rotating in the circumferencial direction to the sealed end 3.
JP24315187A 1987-09-28 1987-09-28 Tubular bulb Pending JPS6484569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24315187A JPS6484569A (en) 1987-09-28 1987-09-28 Tubular bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24315187A JPS6484569A (en) 1987-09-28 1987-09-28 Tubular bulb

Publications (1)

Publication Number Publication Date
JPS6484569A true JPS6484569A (en) 1989-03-29

Family

ID=17099556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24315187A Pending JPS6484569A (en) 1987-09-28 1987-09-28 Tubular bulb

Country Status (1)

Country Link
JP (1) JPS6484569A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531100U (en) * 1991-09-30 1993-04-23 東芝硝子株式会社 Reflector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531100U (en) * 1991-09-30 1993-04-23 東芝硝子株式会社 Reflector

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