Method of forming a tubular electrical insulator assembly

Details Method of forming a tubular electrical insulator assembly Method of forming a tubular electrical insulator assembly

1982-07-08

1985-02-05

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

445 49, H01T 1320

Patent

active

044976330

ABSTRACT:
A method of making a tubular electrical insulator assembly for an igniter plug comprising the steps of making a recess (11) in one end of a tubular insulator (10); cementing a portion of a tubular semi-conductor (20) into the recess (11) so that the remaining portion of said semi-conductor (20) extends slightly beyond the end of said insulator (10); and grinding an annular chamfer (21) into the ends of the insulator (10) and semi-conductor (20).

REFERENCES:
patent: 2684665 (1954-07-01), Tognola
patent: 3025425 (1962-03-01), Logan
patent: 3344304 (1967-09-01), Rademacher
patent: 3558959 (1971-01-01), Ziemendorf
patent: 3890518 (1975-06-01), Tombs
patent: 3968303 (1976-07-01), Harris
patent: 3970591 (1976-07-01), Harris
patent: 4144474 (1979-03-01), Nishio et al.
patent: 4264844 (1981-04-01), Axe et al.

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