Concrete reinforcing steel fibers and production thereof
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United States of America Patent
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-
Sep 9, 1986
Grant Date -
N/A
app pub date -
Dec 16, 1983
filing date -
Apr 16, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reinforcing steel fiber of the type to be mixed in concrete has a shaft portion at a center part, which has strength as a mother material. There are on both sides of the shaft portion, alternately formed knots expanding in thickness and knots expanding in width. The knots expanding in width become increased in width in the direction towards the ends of the fiber while they become decreased in thickness while knots expanding in thickness extend almost uniformly over the full length.
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