JPS6484569A - Tubular bulb - Google Patents
Tubular bulbInfo
- 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
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.
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)
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 |
-
1987
- 1987-09-28 JP JP24315187A patent/JPS6484569A/en active Pending
Cited By (1)
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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