Roundsling construction
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United States of America Patent
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Jul 29, 1997
Grant Date -
N/A
app pub date -
Jan 22, 1996
filing date -
Jan 22, 1996
priority date (Note) -
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Abstract
Disclosed is a flexible roundsling construction which comprises a fiber optic signal strand component in a bundle of strands of endless parallel loop lifting core yarn contained inside a tubular protective cover material from which two free ends of the fiber optic strand emerge as means for providing a signal of defective continuity in the sling lifting core.
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