Metal founding – Means to shape metallic material – Including means to hold or position preformed product part...
Patent
1993-04-01
1994-06-28
Bradley, Paula A.
Metal founding
Means to shape metallic material
Including means to hold or position preformed product part...
164342, 249 83, 249 85, B22D 1724
Patent
active
053238397
ABSTRACT:
The invention is directed to a method and a mold for forming a zinc collar on an insulator metal cap. The zinc collar forming mold is composed of a setting section for setting the metal cap in position on the mold and an upwardly opening cavity defined around the periphery of the setting section. For molding a zinc collar, the metal cap is immersed in a molten zinc, and the metal cap is set upright on the setting section of the mold with the lower half thereof being still in the molten state. Subsequenctly, a molten zinc is poured from the upper opening of the mold, and upon solidification of the molten zinc, a zinc collar can be formed around the external circumference of the metal cap.
REFERENCES:
patent: 2745437 (1956-05-01), Comstock
Imakoma Takashi
Kawamoto Iwaji
Kondo Seiichi
Matsuo Hiroto
Bradley Paula A.
NGK Insulators Ltd.
Pelto Rex E.
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