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. 05, 1997
Filed:
Dec. 21, 1995
Applicant:
Inventors:
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01K / ; F21M / ;
U.S. Cl.
CPC ...
313634 ; 31331801 ; 31331805 ; 313623 ; 362255 ; 439611 ;
Abstract
The capped electric lamp has a glass lamp vessel (1) having first and second neck-shaped portions (2,3). An outer glass envelope (8) has a narrowed portion (9) where it is coupled to the first neck-shaped portion (2). A metal sleeve (10) has a clamping zone (11) which clampingly holds the outer envelope (8), and a welding zone (12) to which tongues (21) of a fixation member (20) which is fixed in a lamp cap (30) are welded. The metal sleeve (10) becomes narrower from the clamping zone (11) towards the first neck-shaped portion (2) up to the welding zone (12).