Metal treatment – Stock – Directionally solidified
Patent
1989-10-25
1990-12-11
Kastler, S.
Metal treatment
Stock
Directionally solidified
148432, 420469, C22C 900
Patent
active
049767925
ABSTRACT:
An electric conductor for video and audio appliances and a method of manufacturing the electric conductor. The electric conductor is constituted by a linear member made of copper or silver, which is composed of an assembly of segments each regarded substantially as single crystal having a length not less than twice a diameter of the single crystal. The method includes the steps of curing molten copper or molten silver into an ingot in a single direction along a longitudinal direction of the ingot and subjecting the ingot to cold working or warm working.
REFERENCES:
patent: 2048733 (1936-07-01), Eldred
patent: 2493951 (1950-01-01), Druyvesteyn et al.
patent: 4582545 (1986-04-01), Kamada et al.
Kastler S.
Sumitomo Electric Industries Ltd.
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