Title:
金属蒸気放電ランプ、および当該金属蒸気放電ランプを有する照明装置
Document Type and Number:
Japanese Patent JP4130829
Kind Code:
B2
Abstract:
A metallic vapor discharge lamp, comprising an inner tube (14) having a pinch seal part (50) at its one end and formed in a tubular airtight container in which an arc tube (12) is stored, an outer tube (16) formed in a tubular shape closed at its one end and opened at its other end as a protective container put on the airtight container, and a base (18) supporting the inner tube (14) at the pinch seal part (50) and supporting the outer tube (16) at its opening end part. The pinch seal part (50) comprises a plate-like part (74) with a roughly uniform thickness and swelled parts (76) extended from the plate-like part (74) in the lateral direction and having a thickness larger than the thickness of the plate-like part (74). The base (18) comprises first and second support parts (66, 68) disposed oppositely to each other through a distance (D3) smaller than the thickness (D2) of the swelled parts (76). The inner tube (14) is so formed that the plate-like part (74) is supportedly fitted between these both support parts (66, 68).
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Inventors:
Shunsuke Kakisaka
Application Number:
JP2005241588A
Publication Date:
August 06, 2008
Filing Date:
August 23, 2005
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H01J61/36; F21V23/00; H01J5/50; H01J61/34
Domestic Patent References:
| JP2000182735A | ||||
| JP2005174936A | ||||
| JP11260319A | ||||
| JP5299065A | ||||
| JP63086216A | ||||
| JP2003297289A | ||||
| JP6251756A | ||||
| JP6111793A |
Attorney, Agent or Firm:
Shiro Nakajima