The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 29, 2006
Filed:
Dec. 22, 2003
Makoto Horiuchi, Nara, JP;
Kiyoshi Takahashi, Kyoto, JP;
Tsuyoshi Ichibakase, Osaka, JP;
Shinichiro Hataoka, Osaka, JP;
Tomoyuki Seki, Osaka, JP;
Takashi Tsutatani, Shiga, JP;
Makoto Horiuchi, Nara, JP;
Kiyoshi Takahashi, Kyoto, JP;
Tsuyoshi Ichibakase, Osaka, JP;
Shinichiro Hataoka, Osaka, JP;
Tomoyuki Seki, Osaka, JP;
Takashi Tsutatani, Shiga, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A glass pipefor a discharge lamp is prepared which includes a luminous bulb portionthat will be formed into a luminous bulb of a high pressure discharge lamp and a side tube portion. Subsequently, a glass membermade of a second glass having a softening point lower than that of a first glass constituting the side tube portionis inserted into the side tube portion, after which a getteris disposed in the side tube portion. Then, with the pressure inside the glass pipereduced, the side tube portionis heated to tightly attach the glass memberto the side tube portion, thereby forming a sealing portion.