Method and apparatus for heat stretching synthetic fiber rope

Details Method and apparatus for heat stretching synthetic fiber rope Method and apparatus for heat stretching synthetic fiber rope

1992-09-21

1994-10-04

Crowder, Clifford D.

Textiles: manufacturing

Thread finishing

Surface modification of running length

264291, 34380, 432225, 28245, D02J 122, B28B 1108, F26B 700

Patent

active

053513738

ABSTRACT:
A method and apparatus for heat stretching a synthetic fiber rope. The rope is buoyed in a vessel containing a liquid medium, and this is heated to a predetermined stretching temperature. Tension is applied to the heated portion of the rope so as to stretch this to a predetermined increase in length. The process may be batchwise, or it may be continuous. In the batch process, a length of the rope is stretched in the heating vessel by a draw rod. In the continuous process, feed and take-up capstans pass the rope through a heating chamber, and then through a cooling chamber. The capstans are operated at different speeds so that the rope is tensioned and stretched between them within the vessel.

REFERENCES:
patent: 2142721 (1939-01-01), Dreyfus et al.
patent: 2142890 (1939-01-01), Dreyfus et al.
patent: 2438549 (1948-03-01), Elvin et al.
patent: 4348350 (1982-09-01), Meier et al.
patent: 4857247 (1989-08-01), Raczkowski

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