Electric lamp and discharge devices – With gas or vapor – Having electrode lead-in or electrode support sealed to...
Reexamination Certificate
2006-12-26
2006-12-26
Guharay, Karabi (Department: 2879)
Electric lamp and discharge devices
With gas or vapor
Having electrode lead-in or electrode support sealed to...
C313S318020
Reexamination Certificate
active
07154226
ABSTRACT:
A capped electric lamp has a light-transmitting lamp vessel accommodating an electrical element and a lamp cap provided with a projecting contact pin (4). An indentation (15) is formed in the contact pin (4) to fix the current-supply conductor (5). According to the invention, the indentation (15) comprises a weakening portion (16) for weakening the current-supply conductor (5) during the manufacture of the electric lamp and comprises a fixation portion (18) for fixing the current-supply conductor (5) in the contact pin (4), wherein said weakening and fixation portion are substantially parallel to each other. Preferably, the indentation (15) comprises a narrow portion (17) between the weakening portion (16) and the fixation portion (18) which is relatively narrow compared with the weakening portion (16) and the fixation portion (18).
REFERENCES:
patent: 2680236 (1954-06-01), Kuebler
patent: 6465960 (2002-10-01), Van Duivendijk et al.
Boomkens Allard Arend
De Bot Frank Gerardus Cornelis
Ten Horn Diederik
Dong Dalei
Guharay Karabi
Koninklijke Philips Electronics , N.V.
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