Rope
The instant invention is a rope. This rope includes a blend of filaments including a first filament, and a second filament. The second filament is fluorocarbon polymer filament.
1 . A rope comprising:
a blend of filaments comprising;
a first filament, and
a second filament, said second filament being a fluorocarbon polymer filament.
2 . The rope according to claim 1 , where in said first filament being a high molecular weight polyethylene filament.
3 . The rope according to claim 2 , wherein said rope further comprising a coating.
4 . The rope according to claim 3 , wherein said coating being polyurethane.
5 . The rope according to claim 2 , wherein said blend of filament further comprising a third filament, said third filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
6 . The rope according to claim 1 , where in said first filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
7 . The rope according to claim 6 , wherein said blend of filament further comprising a third filament, said third filament being a high molecular weight polyethylene filament.
8 . The rope according to claims 1 , wherein said rope having a rope construction selected from the group consisting of a braided rope construction, wire-lay rope construction, and parallel core rope construction.
9 . The rope according to claims 1 , wherein said fluorocarbon polymer filament being a poly(tetrafluoroethylene) filament.
10 . The rope according to claim 1 , wherein said first, and second filaments being twisted together to form a plurality of twisted yarns, said plurality of twisted yarns being braided together to form a plurality of braided strands, and said plurality of strands being braided together to form said rope.
11 . The rope according to claim 1 , wherein said first, and second filaments being twisted together to form a plurality of twisted yarns, said plurality of twisted yarns being twisted together to form a plurality of twisted strands, and said plurality of strands being twisted together to form said rope.
12 . The rope according to claim 1 , wherein said first, and second filaments forming a core, and said core being covered by a cover.
13 . A method for improving fatigue life of a rope on a sheave, a pulley, or a drum comprising the steps of:
providing a first filament;
providing a second filament, said second filament being poly(tetrafluoroethylene) filament;
twisting said first, and second filaments together thereby forming a plurality of twisted yarns;
braiding said plurality of twisted yarns together thereby forming a plurality of braided strands;
braiding said plurality of twisted strands together thereby forming a rope having an improved fatigue life on a sheave, a pulley, or a drum.
14 . The method according to claim 13 , wherein said first filament being a high molecular weight polyethylene filament.
15 . The method according to claim 14 , wherein said method further including the step of providing a third filament subsequent to the step of providing a second filament, and twisting said first, second, and third filaments together thereby forming a plurality of twisted yarns.
16 . The method according to claim 15 , wherein said third filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
17 . The method according to claim 13 , wherein said first filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
18 . The method according to claim 17 , wherein said method further including the step of providing a third filament subsequent to the step of providing a second filament, and twisting said first, second, and third filaments together thereby forming a plurality of twisted yarns.
19 . The method according to claim 18 , wherein said third filament being a high molecular weight polyethylene filament.
20 . A method for improving fatigue life of a rope on a sheave, a pulley, or a drum comprising the steps of:
providing a first filament;
providing a second filament, said second filament being a poly(tetrafluoroethylene) filament;
twisting said first, and second filaments together thereby forming a plurality of twisted yarns;
twisting said plurality of twisted yarns together thereby forming a plurality of twisted strands;
twisting said plurality of twisted strands together thereby forming a rope having an improved fatigue life on a sheave, a pulley, or a drum.
21 . The method according to claim 20 , wherein said first filament being a high molecular weight polyethylene filament.
22 . The method according to claim 21 , wherein said method further including the step of providing a third filament subsequent to the step of providing a second filament, and twisting said first, second, and third filaments together thereby forming a plurality of twisted yarns.
23 . The method according to claim 22 , wherein said third filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
24 . The method according to claim 20 , wherein said first filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
25 . The method according to claim 24 , wherein said method further including the step of providing a third filament subsequent to the step of providing a second filament, and twisting said first, second, and third filaments together thereby forming a plurality of twisted yarns.
26 . The method according to claim 25 , wherein said third filament being a high molecular weight polyethylene filament.
27 . A method for improving fatigue life of a rope on a sheave, a pulley, or a drum comprising the steps of:
providing a first filament;
providing a second filament, said second filament being a poly(tetrafluoroethylene) filament;
aligning said first, and second filaments in a substantially parallel relation to each other;
compacting said aligned first, and second filaments under tension;
thereby forming a core;
providing a cover;
covering said core with said cover;
thereby forming said rope.
28 . The method according to claim 27 , wherein said first filament being a high molecular weight polyethylene filament.
29 . The method according to claim 28 , wherein said method further including the step of providing a third filament subsequent to the step of providing a second filament, aligning said first, second, and third filaments in a substantially parallel relation to each other, and compacting said aligned first, second, and third filaments under tension.
30 . The method according to claim 29 , wherein said third filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
31 . The method according to claim 27 , wherein said first filament being a high strength filament selected from the group consisting of lyotropic polymer filaments and thermotropic polymer filaments.
32 . The method according to claim 31 , wherein said method further including the step of providing a third filament subsequent to the step of providing a second filament, aligning said first, second, and third filaments in a substantially parallel relation to each other, and compacting said aligned first, second, and third filaments under tension.
33 . The method according to claim 32 , wherein said third filament being a high molecular weight polyethylene filament.