LONG LIVED SYNTHETIC ROPE FOR POWERED BLOCKS
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United States of America Patent
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Issued Date -
Oct 19, 2023
app pub date -
Jan 6, 2022
filing date -
May 17, 2016
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Abstract
Disclosed is a method for producing a high strength synthetic strength member containing rope and a resultant rope, comprising multiple layers of twisted and braided yarns, wherein individual sheaths enclosing individual strands are of a material such as HMPE, PTFE or UHMWPE with a lower decomposition temperature than the material of said strands being aramid, the method comprising subjecting parts of the rope to heat and tension thereby pre-stretching and creating a non-uniform or non-round shape of said strands, further choosing a combination of braid and twist angles as well as braid compressive forces to accommodate specific strength and elongation relation between the individual rope layers.
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