JPH0138341B2 - - Google Patents
Info
- Publication number
- JPH0138341B2 JPH0138341B2 JP4591281A JP4591281A JPH0138341B2 JP H0138341 B2 JPH0138341 B2 JP H0138341B2 JP 4591281 A JP4591281 A JP 4591281A JP 4591281 A JP4591281 A JP 4591281A JP H0138341 B2 JPH0138341 B2 JP H0138341B2
- Authority
- JP
- Japan
- Prior art keywords
- flare
- valve
- straight pipe
- glass
- tip
- 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
- 239000005355 lead glass Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 17
- 238000005452 bending Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 239000006063 cullet Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H01J9/26—Sealing together parts of vessels
- H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
- H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
Landscapes
- Engineering & Computer Science (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 |
|---|---|---|---|
| JP4591281A JPS57162240A (en) | 1981-03-28 | 1981-03-28 | Manufacture of circular fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4591281A JPS57162240A (en) | 1981-03-28 | 1981-03-28 | Manufacture of circular fluorescent lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57162240A JPS57162240A (en) | 1982-10-06 |
| JPH0138341B2 true JPH0138341B2 (en]) | 1989-08-14 |
Family
ID=12732451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4591281A Granted JPS57162240A (en) | 1981-03-28 | 1981-03-28 | Manufacture of circular fluorescent lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57162240A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2625607B1 (fr) * | 1988-01-04 | 1990-06-01 | Dumas Pierre Alain | Ampoule fluorescente a pied tubulaire, a electrodes inversees |
| EP0406499A1 (fr) * | 1989-07-06 | 1991-01-09 | Pierre Alain Dumas | Ampoule fluorescente à pied tubulaire à électrodes inversées |
-
1981
- 1981-03-28 JP JP4591281A patent/JPS57162240A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57162240A (en) | 1982-10-06 |
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