Roundsling construction

Handling: hand and hoist-line implements – Hoist-line slings

Patent

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Details

57201, 57210, 57 3, 57 21, B66C 112

Patent

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056515723

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.

REFERENCES:
patent: 4210089 (1980-07-01), Lindahl
patent: 4850629 (1989-07-01), St. Germain

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