Capped high-pressure discharge lamp

Details Capped high-pressure discharge lamp Capped high-pressure discharge lamp

1995-05-16

1997-10-14

Patel, Nimeshkumar

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313 17, 31331807, 31331809, 3133181, H01J 550, H01J 6136

Patent

active

056775890

ABSTRACT:
The capped high-pressure discharge lamp has a discharge vessel having opposite neck-shaped portions. A tubular glass sleeve envelopes the discharge vessel and has constrictions coupling the sleeve to a respective neck-shaped portion. The sleeve has an end-portion adjacent a constriction at the side thereof which is remote from the other constriction, in which end portion a pinch is present. A clamping member having lugs which hold the pinch is secured to a mounting member which is fixed to a cap. The pinch provides for a mechanically strong portion to secure the discharge vessel to the cap. The construction is able to withstand heavy shocks which may occur during transport.

REFERENCES:
patent: 4763038 (1988-08-01), Takayama
patent: 5440199 (1995-08-01), Heindl et al.

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