JPS5812237A - 環形螢光ランプの製造方法 - Google Patents
環形螢光ランプの製造方法Info
- Publication number
- JPS5812237A JPS5812237A JP9003381A JP9003381A JPS5812237A JP S5812237 A JPS5812237 A JP S5812237A JP 9003381 A JP9003381 A JP 9003381A JP 9003381 A JP9003381 A JP 9003381A JP S5812237 A JPS5812237 A JP S5812237A
- Authority
- JP
- Japan
- Prior art keywords
- forming rollers
- bulb
- valve
- wall face
- groove
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 238000007796 conventional method Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000005355 lead glass Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (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 true JPS5812237A (ja) | 1983-01-24 |
| JPS6349851B2 JPS6349851B2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5353880U (enrdf_load_stackoverflow) * | 1976-10-09 | 1978-05-09 |
-
1981
- 1981-06-11 JP JP9003381A patent/JPS5812237A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5353880U (enrdf_load_stackoverflow) * | 1976-10-09 | 1978-05-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6349851B2 (enrdf_load_stackoverflow) | 1988-10-06 |
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