JPH0249632Y2 - - Google Patents
Info
- Publication number
- JPH0249632Y2 JPH0249632Y2 JP7508485U JP7508485U JPH0249632Y2 JP H0249632 Y2 JPH0249632 Y2 JP H0249632Y2 JP 7508485 U JP7508485 U JP 7508485U JP 7508485 U JP7508485 U JP 7508485U JP H0249632 Y2 JPH0249632 Y2 JP H0249632Y2
- Authority
- JP
- Japan
- Prior art keywords
- incandescent light
- filament coil
- light bulb
- tube
- enclosure
- 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
- 239000005368 silicate glass Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7508485U JPH0249632Y2 (en]) | 1985-05-22 | 1985-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7508485U JPH0249632Y2 (en]) | 1985-05-22 | 1985-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61190663U JPS61190663U (en]) | 1986-11-27 |
| JPH0249632Y2 true JPH0249632Y2 (en]) | 1990-12-27 |
Family
ID=30615974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7508485U Expired JPH0249632Y2 (en]) | 1985-05-22 | 1985-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249632Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4687615B2 (ja) * | 2006-08-31 | 2011-05-25 | ウシオ電機株式会社 | フィラメントランプ |
-
1985
- 1985-05-22 JP JP7508485U patent/JPH0249632Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61190663U (en]) | 1986-11-27 |
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