Capped electric lamp with connection conductor butt welded to a

Details Capped electric lamp with connection conductor butt welded to a Capped electric lamp with connection conductor butt welded to a

1993-04-29

1995-05-02

Brinich, Stephen

Electric lamp and discharge devices

With envelope

Having base and connector

313315, H01J 548

Patent

active

054122759

ABSTRACT:
The capped electric lamp has a quartz glass lamp vessel (1) with a first neck-shaped portion (2) which is kept fixed by the cap (20). First (4) and second (5) current supply conductors (4, 5) emanate from the neck-shaped portions (2 resp. 3) and are connected to contact members (24 resp. 25) of the cap, the second supply conductor (5) via a connecting conductor (7). The joint of the connection conductor (7) to a molybdenum end portion (5a) of the second supply conductor (5) is a butt weld (9). The joint is solid and reliable. An insulator tube (8) may be present around the connection conductor (7) and fixation means (10, 11 ) may be present to immobilize the tube.

REFERENCES:
patent: 4687965 (1987-08-01), Sanders et al.
patent: 4714858 (1987-12-01), Sanders
patent: 4868457 (1989-09-01), Strok
patent: 5051658 (1991-09-01), Van Pijkeren
patent: 5221874 (1993-06-01), Dayton
patent: 5313134 (1994-05-01), Borgis et al.

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