Production of electrode body

Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Surface finishing

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Details

26427213, 26427216, 264275, 2643288, 26432812, 445 46, B29C 604

Patent

active

044838115

ABSTRACT:
Disclosed is a method of production of an electrode body formed by injecting polyphenylene sulfide resin into a metal mold containing a conductive member of small diameter to cause the molded resin to adhere to the outer periphery of the conductive member, for use in electrically preventing corrosion of a can body of a water heater or measuring the liquid level therein. Injection gates are arranged in over two positions substantially equidistantly spaced apart from each other and located substantially parallel to the conductor member and substantially on the circumference of an imaginary circle centered at the conductive member. The conductive member comprises titanium wires subjected to sandblast treatment to have a surface roughness of 15-34 .mu.m and then to cleansing treatment. No coupling agent is used, to prevent water from leaking between the polyphenylene sulfide resin and the conductive member.

REFERENCES:
patent: 2850687 (1958-09-01), Hammet
patent: 3626051 (1971-12-01), Liautand
patent: 3947953 (1976-04-01), Okada et al.
patent: 4083903 (1978-04-01), Gilbert et al.

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