JPS6349851B2 - - Google Patents
Info
- Publication number
- JPS6349851B2 JPS6349851B2 JP56090033A JP9003381A JPS6349851B2 JP S6349851 B2 JPS6349851 B2 JP S6349851B2 JP 56090033 A JP56090033 A JP 56090033A JP 9003381 A JP9003381 A JP 9003381A JP S6349851 B2 JPS6349851 B2 JP S6349851B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- groove
- bulb
- bent
- wall surface
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/06—Re-forming tubes or rods by bending
- C03B23/065—Re-forming tubes or rods by bending in only one plane, e.g. for making circular neon tubes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
- H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9003381A JPS5812237A (ja) | 1981-06-11 | 1981-06-11 | 環形螢光ランプの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9003381A JPS5812237A (ja) | 1981-06-11 | 1981-06-11 | 環形螢光ランプの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5812237A JPS5812237A (ja) | 1983-01-24 |
JPS6349851B2 true JPS6349851B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-10-06 |
Family
ID=13987345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9003381A Granted JPS5812237A (ja) | 1981-06-11 | 1981-06-11 | 環形螢光ランプの製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5812237A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5353880U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1976-10-09 | 1978-05-09 |
-
1981
- 1981-06-11 JP JP9003381A patent/JPS5812237A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5812237A (ja) | 1983-01-24 |