Method and apparatus for making filament rope

Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping


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87 1, 87 3, 87 5, 87 12, 87 13, 87 23, 87 28, D02G 336




A filament rope may be produced continuously by the method and apparatus of this invention. In an upper portion of a frame of the apparatus is a unit having strand carrying spools that move about to braid the strands into a core of the rope. During braiding the strands overlap to form sets of pairs of transversely aligned openings which decrease in size as the rope core is drawn away from the braiding unit by a tension wheel assembly. While the openings are still large, a filament length carried by a first cylinder passes through one pair of strand openings. The cylinder then is withdrawn and the filament length severed leaving a filament segment in that pair of openings. Next, a second filament segment is placed in the other strand opening pair by a second cylinder. After filament segment insertion a tamping tool engages the strands and inserted filament segments to promote opening size reduction and improve formation of a compressive fit by the strands on the filament segments. The filament carrying rope core next may travel through a heating unit that softens the filament segments for crimping by a set of reciprocating rings. As crimped, the filament segments form an array about the core particularly adapted for absorbing liquid wastes.

patent: 279997 (1883-06-01), Waring
patent: 1098257 (1914-08-01), Healy
patent: 1990028 (1935-02-01), Horn
patent: 3975980 (1976-08-01), Hood
patent: 4311079 (1982-01-01), Hood
patent: 4754685 (1988-07-01), Kite et al.
patent: 5027594 (1991-07-01), Gamberoni et al.
patent: 5067384 (1991-11-01), Scala


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