Electricity: conductors and insulators – Insulators – Through wall or plate
Patent
1992-04-02
1994-08-30
Picard, Leo P.
Electricity: conductors and insulators
Insulators
Through wall or plate
174142, 174153R, H01B 1726
Patent
active
053429982
ABSTRACT:
A terminal bushing which has (a) an elongated central conductor made by a powder metallurgy process from metal particles sintered together at elevated temperatures after being compacted under pressure and (b) a tubular shell of polymeric insulating material molded under high within a mold pressure about the central conductor and forming a joint with the central conductor that has a high resistance to leakage along the conductor. The central conductor includes at opposite ends of the molded tubular insulating shell mold-interface regions that are formed by the powder metallurgy process and are located to interface with and to fit tightly within the mold that is used for molding the insulating shell, thereby limiting to low values the quantity of pressurized polymer ejected about the mold-interface regions during the molding.
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Davis Gary D.
Jergenson Ronny D.
Nolte Michael G.
Scheu Robert W.
Tillery Timothy G.
Freedman William
General Electric Company
Picard Leo P.
Sough H.
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