JPS6250944B2 - - Google Patents
Info
- Publication number
- JPS6250944B2 JPS6250944B2 JP5442978A JP5442978A JPS6250944B2 JP S6250944 B2 JPS6250944 B2 JP S6250944B2 JP 5442978 A JP5442978 A JP 5442978A JP 5442978 A JP5442978 A JP 5442978A JP S6250944 B2 JPS6250944 B2 JP S6250944B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- light
- present
- light bulb
- sealed beam
- 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
- 238000000465 moulding Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000037303 wrinkles Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002834 transmittance 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
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5442978A JPS54147676A (en) | 1978-05-10 | 1978-05-10 | Lens for sealed beam type bulb and bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5442978A JPS54147676A (en) | 1978-05-10 | 1978-05-10 | Lens for sealed beam type bulb and bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54147676A JPS54147676A (en) | 1979-11-19 |
| JPS6250944B2 true JPS6250944B2 (enrdf_load_stackoverflow) | 1987-10-27 |
Family
ID=12970466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5442978A Granted JPS54147676A (en) | 1978-05-10 | 1978-05-10 | Lens for sealed beam type bulb and bulb |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54147676A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57165952A (en) * | 1981-04-07 | 1982-10-13 | Tokyo Shibaura Electric Co | Light emitting sealed beam bulb |
-
1978
- 1978-05-10 JP JP5442978A patent/JPS54147676A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54147676A (en) | 1979-11-19 |
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