Electric lamp assembly having a band connected to integrally for

Details Electric lamp assembly having a band connected to integrally for Electric lamp assembly having a band connected to integrally for

1989-11-29

1991-08-27

Yusko, Donald J.

Electric lamp and discharge devices

With envelope

Having base and connector

313579, 313580, H01J 548, H01J 550, H01K 142, H01K 166

Patent

active

050436244

ABSTRACT:
An electric lamp assembly comprising a lamp bulb a lamp base being essentially formed of a synthetic resin material and a retaining band being made of a metal. A plurality of weldable supporting pieces formed of a metal are integrally formed on the lamp base by insert forming process with the front end portions of the supporting pieces projecting out of the front end portion of the lamp base. A plurality of mounting openings are formed in the retaining band. Respective front end portions of the supporting pieces are inserted through the mounting openings in the retaining band and are welded to edges of the mounting openings respectively.

REFERENCES:
patent: 3885149 (1975-05-01), Wolfe et al.
patent: 4547838 (1985-10-01), Wakimizu
patent: 4569005 (1986-02-01), Bergin et al.
patent: 4631651 (1986-12-01), Bergin et al.
patent: 4769574 (1988-09-01), Nagasawa et al.
patent: 4785218 (1988-11-01), Kohl et al.
patent: 4812703 (1989-03-01), Kanematsu et al.
patent: 4864183 (1989-09-01), Okano

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