Tire steel cords and method of manufacturing thereof
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United States of America Patent
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Jun 4, 1991
Grant Date -
N/A
app pub date -
Oct 26, 1989
filing date -
May 23, 1989
priority date (Note) -
Expired
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Abstract
A tire steel cord formed of more than three strands twisted together, at least one of the strands being marked so as to formed therein with zig-zagging marked parts which form gaps between strands, rubber accordingly immersing the steel cord into its center part through the thus formed gaps so as to fill in a cavity in the center part of the steel cord.
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