JPH0430767Y2 - - Google Patents
Info
- Publication number
- JPH0430767Y2 JPH0430767Y2 JP1987141594U JP14159487U JPH0430767Y2 JP H0430767 Y2 JPH0430767 Y2 JP H0430767Y2 JP 1987141594 U JP1987141594 U JP 1987141594U JP 14159487 U JP14159487 U JP 14159487U JP H0430767 Y2 JPH0430767 Y2 JP H0430767Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- reduced diameter
- filament
- tube
- emitting part
- 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
- 239000011521 glass Substances 0.000 claims description 30
- 238000005452 bending Methods 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Resistance Heating (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987141594U JPH0430767Y2 (fr) | 1987-09-18 | 1987-09-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987141594U JPH0430767Y2 (fr) | 1987-09-18 | 1987-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6446952U JPS6446952U (fr) | 1989-03-23 |
JPH0430767Y2 true JPH0430767Y2 (fr) | 1992-07-24 |
Family
ID=31406796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987141594U Expired JPH0430767Y2 (fr) | 1987-09-18 | 1987-09-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0430767Y2 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH076615Y2 (ja) * | 1989-05-19 | 1995-02-15 | ウシオ電機株式会社 | 管型白熱電球 |
JPH076616Y2 (ja) * | 1989-07-17 | 1995-02-15 | ウシオ電機株式会社 | 管型白熱電球 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4836278A (fr) * | 1971-09-11 | 1973-05-28 |
-
1987
- 1987-09-18 JP JP1987141594U patent/JPH0430767Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4836278A (fr) * | 1971-09-11 | 1973-05-28 |
Also Published As
Publication number | Publication date |
---|---|
JPS6446952U (fr) | 1989-03-23 |
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