Electric lamp and lamp cap

Details Electric lamp and lamp cap Electric lamp and lamp cap

1987-09-28

1991-03-19

Yusko, Donald J.

Electric lamp and discharge devices

With envelope

Having base and connector

313 25, 313 33, 313 43, 445 38, H01J 558

Patent

active

050013874

ABSTRACT:
The electric lamp has a lamp vessel (1) which is fixed by means of cement (6) in a lamp cap (3) of synthetic material. A metal ring (7) in contact with the cement (6) is present in the lamp cap (3), as a result of which the cement (6) can be secured by inductive heating of the metal ring (7). The lamp cap (3) has ribs (10,11) on the inside surface of the lamp cap (3), by which the metal ring (7) is radially and axially separated from the lamp cap (3).

REFERENCES:
patent: 2084478 (1937-06-01), Clark
patent: 2454270 (1948-11-01), Braunsdorff
patent: 3979627 (1976-09-01), Leadvaro et al.
patent: 4028577 (1977-06-01), Gates et al.
patent: 4126810 (1978-11-01), Cox
patent: 4243907 (1981-01-01), Kohl et al.
patent: 4568854 (1986-02-01), Westlund, Jr. et al.

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