Ceramic insulating block

Details Ceramic insulating block Ceramic insulating block

1992-11-09

1995-02-21

Nguyen, Khiem

Electrical connectors

With vitreous-type envelope

Plug having spaced, longitudinally engaging, prong-like...

439747, H01R 1700

Patent

active

053910931

ABSTRACT:
In the ceramic insulating block for halogen lamps, which has a shallow channel with a re-entrant projection at its exit side, the insulating block (1) is provided at the entry side (9) of the shallow channel (2) with a recess (10) having a bell-shaped contour. The apex (11) of the recess extends towards the exit side (4) of the shallow channel (2). The recess has an apex height H.sub.s of .ltoreq.40%, an apex radius R.sub.s of .ltoreq.20% of the height H of the insulating block (1) and a base radius R.sub.B of between 140% and 60% of R.sub.S.

REFERENCES:
patent: 1325865 (1919-12-01), Shreeve
patent: 4492893 (1985-01-01), Steiner et al.
patent: 5222803 (1993-06-01), Kraus

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