Synthetic fiber rope

Abstract

A method of making a splice termination for a synthetic fiber rope, said synthetic fiber rope comprising a fiber core and at least a layer of synthetic fiber strands twisted around said fiber core, said method comprising steps: (a) Providing a synthetic fiber rope having a laid construction and an unrestrainedend, (b) Measuring tails having a length of L1 from the end of the rope, applying cloth or tape on the synthetic fiber rope for a length L2 from the end of tails to form a taped section, (c) Bending the synthetic fiber rope at the point having a length of about L1+L2/2 from the end of the rope to form an eye, (d) Untwisting the core and the strands of the tails, dividing and bundling up the yarns equally amongst the number strands of the outer layer of the synthetic fiber rope so that forming a plurality of bundled tails, (e) Tucking and pulling the plurality of bundled tail(s) respectively through between respective strand(s) of the outer layer of the synthetic fiber rope next to the taped section to form a tucked section, (f) Repeating step of tucking and pulling the plurality of bundled tail(s) respectively through between respective strand(s) of the outer layer of the synthetic fiber rope next to the previously tucked section to form a spliced termination.

1 . A method of making a splice termination for a synthetic fiber rope, said synthetic fiber rope comprising a fiber core and at least a layer of synthetic fiber strands twisted around said fiber core, said method comprising steps:
 (a) providing a synthetic fiber rope having a laid construction and an unrestrained end,   (b) measuring tails having a length of L1 from the end of the rope, applying cloth or tape on the synthetic fiber rope for a length L2 from the end of tails to form a taped section,   (c) bending the synthetic fiber rope at the point having a length of about L1+L2/2 from the end of the rope to form an eye,   (d) untwisting the core and the strands of the tails, dividing and bundling up the yarns equally amongst the number strands of the outer layer of the synthetic fiber rope so that forming a plurality of bundled tails,   (e) tucking and pulling the plurality of bundled tail(s) respectively through between respective strand(s) of the outer layer of the synthetic fiber rope next to the taped section to form a tucked section,   (f) repeating step of tucking and pulling the plurality of bundled tail(s) respectively through between respective strand(s) of the outer layer of the synthetic fiber rope next to the previously tucked section to form a spliced termination.   
     
     
         2 . The method of making a splice termination for a synthetic fiber rope according to  claim 1 , wherein said fiber core is coated with a polymer coating and said step (d) including a step of removing said polymer coating. 
     
     
         3 . The method of making a splice termination for a synthetic fiber rope according to  claim 1 , wherein said synthetic fiber rope has two layers and step (d) comprises of dividing and bundling up the core and the two layers yarn equally amongst the number strands of the outer layer of the synthetic fiber rope. 
     
     
         4 . The method of making a splice termination for a synthetic fiber rope according to  claim 1 , wherein said synthetic fiber rope has three layers and step (d) comprises of dividing and bundling up the core, the layer one, layer two and layer three yarns equally amongst the number of the out layer of the synthetic fiber rope. 
     
     
         5 . The method of making a splice termination for a synthetic fiber rope according to  claim 1 , wherein said method further comprises step (g) removing a part of the yarn content on each step of the tucks for a plurality of tapers. 
     
     
         6 . A synthetic fiber rope comprising a fiber core and at least a layer of synthetic fiber strands twisted around said fiber core,
 wherein the synthetic fiber rope has a splice-type termination, said splice-type termination comprising
 a cloth or tape covered rope section bent into an eye shape, 
 a spliced rope section next to the eye shaped rope section, the spliced rope section being made by tucking a number of bundled tails of the synthetic fiber rope respectively through between the synthetic fiber strands of the outer layer of the synthetic fiber rope. 
   
     
     
         7 . The synthetic fiber rope according to  claim 6 , wherein the synthetic fibers comprise nylon fibers, polyester fibers, polyolefin fibers such as polypropylene and polyethylene fibers. 
     
     
         8 . The synthetic fiber rope according to  claim 6 , wherein the synthetic fibers comprise high modulus synthetic fibers or blended high modulus synthetic fibers selected from high strength polypropylene (HSSP), high modulus polyethylene (HMPE), ultra high molecular weight polyethylene (UHMwPE), para-aramid fibers such as poly(P-phenylene terephthalamide) (PPTA) fibers, liquid crystal polyester (LCP/LCAP), poly(P-phenylene-2,6-benzobisoxazole) (PBO), meta-aramid fibers such as poly (m-phenylene isophthalamide fibers, copolyamide fibers of (terephthaloyl chloride, P-phenylenediamine, 3,4′-diaminodiphenyl ether), normally referred to as “copolymer aramid”). 
     
     
         9 . A The synthetic fiber rope according to  claim 6 , wherein the number of bundled tails of the synthetic fiber rope is made by untwisting, dividing and bundling the fiber core and the at least a layer of synthetic fiber strands. 
     
     
         10 . A The synthetic fiber rope according to  claim 6 , wherein the number of tails of the synthetic fiber rope equals the number of synthetic fiber strands at the outer layer of the synthetic fiber rope. 
     
     
         11 . A The synthetic fiber rope according to  claim 6 , wherein said synthetic fiber rope has two layers, and the tails of synthetic fiber rope is made by dividing and bundling up the core and two layers yarns equally amongst the number strands of the outer layer of the synthetic fiber rope. 
     
     
         12 . The synthetic fiber rope according to  claim 6 , wherein said synthetic fiber rope has three layers, and the tails of synthetic fiber rope is made by dividing and bundling up the core, the layer one, layer two and layer three yarns equally amongst the number of strands of the outer layer of the synthetic fiber rope. 
     
     
         13 . The synthetic fiber rope according to  claim 6 , wherein said fiber core is covered by a polymer coating. 
     
     
         14 . The synthetic fiber rope according to  claim 13 , wherein the fiber core is a laid or braided synthetic fiber strand, and the at least a layer of synthetic fiber strands comprises a first layer and a second layer, said first layer having at least six first synthetic fiber strands laid in a first direction surround said polymer layer, and
 said second layer having at least twelve second synthetic fiber strands laid in a second direction surround said first layer.