JP2009289524A5 - - Google Patents
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- Publication number
- JP2009289524A5 JP2009289524A5 JP2008139202A JP2008139202A JP2009289524A5 JP 2009289524 A5 JP2009289524 A5 JP 2009289524A5 JP 2008139202 A JP2008139202 A JP 2008139202A JP 2008139202 A JP2008139202 A JP 2008139202A JP 2009289524 A5 JP2009289524 A5 JP 2009289524A5
- Authority
- JP
- Japan
- Prior art keywords
- tip
- lamp according
- coiled spring
- tube
- outer tube
- 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
- PRPINYUDVPFIRX-UHFFFAOYSA-N 1-Naphthaleneacetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CC=CC2=C1 PRPINYUDVPFIRX-UHFFFAOYSA-N 0.000 claims 6
- 238000005286 illumination Methods 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
Claims (6)
この外管内に収納され、かつ端部にチップオフ部が形成されている内管と、
この内管の内部に配置された発光管とを備え、
前記チップオフ部と前記外管の内面のうち、前記チップオフ部に対面する部分との間には、前記チップオフ部から前記対面部分に向かう方向に弾性変形するコイル状のばねが設けられていることを特徴とするランプ。 An outer tube,
An inner tube housed in the outer tube and having a tip-off portion formed at the end;
With an arc tube arranged inside the inner tube,
A coiled spring that is elastically deformed in a direction from the tip-off portion toward the facing portion is provided between the tip-off portion and the inner surface of the outer tube between the portion facing the tip-off portion. A lamp characterized by being.
前記コイル状のばねには、前記チップオフ部から前記対面部分に向かう方向に圧縮応力が働いていることを特徴とする請求項１〜請求項３のいずれか１項に記載のランプ。 The coiled springs are in contact with the inner surface of the outer tube and the outer surface of the inner tube,
The lamp according to any one of claims 1 to 3, wherein a compressive stress is applied to the coiled spring in a direction from the tip-off portion toward the facing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008139202A JP4862861B2 (en) | 2008-05-28 | 2008-05-28 | Lamp and lighting device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008139202A JP4862861B2 (en) | 2008-05-28 | 2008-05-28 | Lamp and lighting device using the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009289524A JP2009289524A (en) | 2009-12-10 |
| JP2009289524A5 true JP2009289524A5 (en) | 2011-09-22 |
| JP4862861B2 JP4862861B2 (en) | 2012-01-25 |
Family
ID=41458555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008139202A Expired - Fee Related JP4862861B2 (en) | 2008-05-28 | 2008-05-28 | Lamp and lighting device using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4862861B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201130012A (en) * | 2009-09-04 | 2011-09-01 | Koninkl Philips Electronics Nv | Compact hid lamp with multiple protective envelopes |
| JP5082012B2 (en) * | 2010-08-06 | 2012-11-28 | パナソニック株式会社 | Metal vapor discharge lamp and lighting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401913A (en) * | 1981-06-03 | 1983-08-30 | Gte Products Corporation | Discharge lamp with mount providing self centering and thermal expansion compensation |
| KR101121392B1 (en) * | 2006-05-31 | 2012-04-12 | 파나소닉 주식회사 | Metal vapor discharge lamp and illumination apparatus |
-
2008
- 2008-05-28 JP JP2008139202A patent/JP4862861B2/en not_active Expired - Fee Related
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