Electric lamp with a base

Details Electric lamp with a base Electric lamp with a base

1997-07-21

1999-11-30

Patel, Nimeshkumar D.

Electric lamp and discharge devices

With envelope

Having base and connector

31331809, 31331801, H01J 548, H01J 550

Patent

active

059948256

ABSTRACT:
In the electric lamp with a base in which a bulb capsule including a pinch seal portion 3 in one end portion of a glass bulb connects with a hold plate in such a manner that the pinch seal portion is held by and between hold pieces respectively provided in the hold plate, a section of the pinch seal portion side end portion of the glass bulb,with which the glass bulb side hold pieces of the hold plate are to be engaged, is formed larger in thickness than the remaining sections of the pinch seal portion side end portion.

REFERENCES:
patent: 4013335 (1977-03-01), Varkonyi et al.
patent: 4256989 (1981-03-01), Trutner et al.
patent: 4769574 (1988-09-01), Nagawawa et al.
patent: 4864183 (1989-09-01), Okano
patent: 4950953 (1990-08-01), Ito et al.
patent: 5043624 (1991-08-01), Hirozumi et al.
patent: 5339002 (1994-08-01), Braun et al.
patent: 5818154 (1998-10-01), Helbig et al.

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