Bimetal electrodes for spark plugs or the like and method of mak

Details Bimetal electrodes for spark plugs or the like and method of mak Bimetal electrodes for spark plugs or the like and method of mak

1983-09-21

1986-08-19

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

H01T 2102

Patent

active

046067302

ABSTRACT:
A method of producing bimetal electrodes in which a core of copper is enclosed within an outer covering of a nickel alloy. The alloy is extruded into a relatively small diameter, deep cup by first forming a cylindrical blank with a rounded indentation in one face and thereafter extruding the cup using a punch having an end conforming with said indentation to form a central opening having a diameter at least three times the diameter of the punch. A cylindrical copper core is then firmly seated within the cup, which is then extruded by two stages to form an elongated, cylindrical blank. In one embodiment, the end is finished by trimming away a flaring skirt portion at the open end and thereafter upsetting the blank. In another embodiment, the flared skirt portion of the nickel alloy is bottled inwardly and pressed flat against the exposed end of the core so that no scrap is produced.

REFERENCES:
patent: 638807 (1899-12-01), Holinger
patent: 3857145 (1974-12-01), Yamaguchi et al.

Affiliated with

Also associated with

Rating

Bimetal electrodes for spark plugs or the like and method of mak does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bimetal electrodes for spark plugs or the like and method of mak, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bimetal electrodes for spark plugs or the like and method of mak will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-392166