US20160145796A1 - High-strength rigging and preparation method thereof - Google Patents

High-strength rigging and preparation method thereof Download PDF

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Publication number
US20160145796A1
US20160145796A1 US14/900,140 US201314900140A US2016145796A1 US 20160145796 A1 US20160145796 A1 US 20160145796A1 US 201314900140 A US201314900140 A US 201314900140A US 2016145796 A1 US2016145796 A1 US 2016145796A1
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United States
Prior art keywords
ultra
molecular weight
weight polyethylene
strip
thin film
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Abandoned
Application number
US14/900,140
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English (en)
Inventor
Ruiwen YIN
Changgan Ji
Junying Ma
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ZHENGZHOU ZHONGYUAN DEFENSE MATERIAL Co Ltd
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ZHENGZHOU ZHONGYUAN DEFENSE MATERIAL Co Ltd
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Assigned to ZHENGZHOU ZHONGYUAN DEFENSE MATERIAL CO., LTD reassignment ZHENGZHOU ZHONGYUAN DEFENSE MATERIAL CO., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JI, Changgan, MA, Junying, YIN, Ruiwen
Publication of US20160145796A1 publication Critical patent/US20160145796A1/en
Abandoned legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/18—Band-type slings
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/10—Making ropes or cables from special materials or of particular form from strands of non-circular cross-section
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/18—Grommets
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2001—Wires or filaments
    • D07B2201/2002—Wires or filaments characterised by their cross-sectional shape
    • D07B2201/2003—Wires or filaments characterised by their cross-sectional shape flat
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/201—Polyolefins
    • D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2061—Ship moorings

Definitions

  • the invention relates to the field of application of polymer materials and particularly relates to a high-strength rigging and a preparation method thereof.
  • Ultra-high molecular weight polyethylene (UHMW-PE for short) is a thermoplastic engineering plastic with a linear structure and excellent comprehensive performances, and one of important uses of the material is to prepare a high-strength fiber on the basis of the material.
  • An ultra-high molecular weight polyethylene (UHMW-PE) fiber is a high-performance fiber, has the advantages of high strength, wear resistance, impact resistance, corrosion resistance, UV resistance and the like and is widely applied to preparation of hoisting riggings, hawsers, force-bearing riggings, heavy-duty riggings, salvaging riggings, drag riggings, sailboat riggings, fishing lines, mooring anchor riggings for ocean operation platforms and other various riggings.
  • the breaking length of the rigging prepared on the basis of ultra-high molecular weight polyethylene fibers under dead weight is about 8 times of that of a steel wire rigging and is about 2 times of that of an aramid fiber rigging, thereby having excellent performances.
  • the rigging based on the ultra-high molecular weight polyethylene fibers is generally prepared by twisting, weaving or converging through an outer sleeve N ultra-high molecular weight polyethylene fiber.
  • the ultra-high molecular weight polyethylene fiber has a silk-like structure (the fiber number of the single yarn is about 2.5 deniers), so that in the process of preparing the various riggings based on the ultra-high molecular weight polyethylene fiber, multiple fibers with the silk-like structures need to be finished respectively, the process is complex, and the cost is high; and furthermore, in the preparation process of the product, the surfaces of the fibers are liable to production of burrs due to friction, and the fibers are liable to breaking, distortion, intertwining and other phenomena, thereby being not conductive to realizing integral uniform stress of the multiple fibers, resulting in that the integral strength of the prepared rigging is often lower than the sum of the strength of N ultra-high molecular weight polyethylene fibers, and the strength utilization ratio is relatively low.
  • the invention provides a high-strength rigging with simple process and relatively low cost and a preparation method thereof.
  • the invention provides a preparation method of a high-strength rigging, at least comprising the following step: preparing a body of the high-strength rigging from an ultra-high molecular weight polyethylene thin film or strip.
  • preparing the body from the ultra-high molecular weight polyethylene thin film or strip comprises: converging or converging and twisting the ultra-high molecular weight polyethylene thin film or strip into a single yarn to obtain the body.
  • preparing the body from the ultra-high molecular weight polyethylene thin film or strip comprises: integrally arranging multiple single yams to form the body, wherein each single yam is prepared by converging or converging and twisting the ultra-high molecular weight polyethylene thin film or strip.
  • integrally arranging the multiple single yarns comprises: converging, twisting or weaving the multiple single yams into a whole.
  • the body is prepared by plying multiple yarn strands, wherein each yarn strand comprises multiple single yarns, and each single yarn is prepared by converging or converging and twisting the ultra-high molecular weight polyethylene thin film or strip.
  • all the single yarns in each yarn strand are converged, twisted or woven into a whole.
  • plying the multiple yarn strands comprises: converging, twisting or weaving the multiple yarn strands into a whole.
  • the ultra-high molecular weight polyethylene thin film or strip is converged along the straightening direction of a molecular chain thereof.
  • the single yarn is converged along the straightening direction of a molecular chain of the ultra-high molecular weight polyethylene thin film or strip.
  • the yarn strands are converged along the straightening direction of a molecular chain of the ultra-high molecular weight polyethylene thin film or strip.
  • the related parameters of the ultra-high molecular weight polyethylene thin film at least meet one or more of the following conditions:
  • the linear density is above 5000 deniers; the width is above 100 mm; the thickness is below 0.2 mm; the breaking strength is above 10 grams/denier; the tensile modulus is above 800 grams/denier; and the elongation at break is below 6%.
  • the related parameters of the ultra-high molecular weight polyethylene strip at least meet one or more of the following conditions:
  • the linear density is above 100 deniers; the width is 1-100 mm; the thickness is below 0.2 mm; the breaking strength is above 10 grams/denier; the tensile modulus is above 800 grams/denier; and the elongation at break is below 6%.
  • the invention further provides a high-strength rigging, prepared by adopting the preparation method of the high-strength rigging.
  • the body of the high-strength rigging provided in each embodiment of the invention is prepared on the basis of the ultra-high molecular weight polyethylene thin film or strip.
  • the ultra-high molecular weight polyethylene thin film or strip is treated as a whole, thereby having good structural integrity, being simple in preparation process, eliminating a complex process for respectively finishing multiple fiber silks, obviously reducing the probability of producing burrs on the surface of the thin film or strip and also obviously reducing the probability of breaking, distortion, intertwining and other phenomena in the thin film or strip.
  • the rigging including the body bears a load, the ultra-high molecular weight polyethylene thin film or strip is stressed as a whole, so that the strength of the rigging is relatively high and the strength utilization ratio is effectively improved.
  • the strength of the rigging prepared on the basis of the ultra-high molecular weight polyethylene thin film or strip is higher than that of a product prepared by adopting the ultra-high molecular weight polyethylene fiber with the same denier number, the cost of the former is obviously lower than that of the latter, and the rigging has the advantages of good structural integrity, high strength, high strength utilization ratio, high production efficiency, low processing cost, light weight, small surface density, good flexibility and the like.
  • FIG. 1 is a structural schematic diagram of an embodiment of an ultra-high molecular weight polyethylene thin film in a high-strength rigging provided by the invention.
  • FIG. 2 is a structural schematic diagram of an embodiment of an ultra-high molecular weight polyethylene strip in the high-strength rigging provided by the invention.
  • FIG. 3 is a flow diagram of an embodiment of a preparation method of the high-strength rigging provided by the invention.
  • FIG. 4 is a structural schematic diagram of an embodiment of the high-strength rigging provided by the invention.
  • FIG. 5 is a structural schematic diagram of a second embodiment of the high-strength rigging provided by the invention.
  • FIG. 6 is a structural schematic diagram of a third embodiment of the high-strength rigging provided by the invention.
  • Ultra-high molecular weight polyethylene is polyethylene with molecular weight of above 1 million.
  • the traditional technologies of ultra-high molecular weight polyethylene application take ultra-high molecular weight polyethylene fibers as the basis to prepare various products.
  • the technical solutions provided by the various embodiments of the invention are essentially different from the traditional technologies of ultra-high molecular weight polyethylene application and are revolutionary innovations against the traditional technologies, and the core concept mainly comprises: the various riggings are prepared by using the ultra-high molecular weight polyethylene thin film or strip to replace the traditional ultra-high molecular weight polyethylene fibers.
  • the ultra-high molecular weight polyethylene thin film is a thin slice which is prepared from ultra-high molecular weight polyethylene and has a certain width and thickness, wherein the width is much greater than the thickness.
  • the strip is a strip-like thin slice which can be prepared independently or be formed by performing slitting process step before and after stretching the thin film, wherein the width of the strip is less than the width of the thin film, and the thickness thereof is equivalent to that of the thin film or greater than the thickness of the thin film.
  • the ultra-high molecular weight polyethylene thin film or strip provided by the invention is different from the ultra-high molecular weight polyethylene fibers and also different from a plane formed by bonding multiple ultra-high molecular weight polyethylene fibers, and the significant difference is that the ultra-high molecular weight polyethylene thin film or strip provided by the invention has a certain width and thickness and has an integral structure without integration points or trim lines.
  • the body of the high-strength rigging provided in each embodiment of the invention is prepared on the basis of the ultra-high molecular weight polyethylene thin film or strip.
  • the ultra-high molecular weight polyethylene thin film or strip is treated as a whole, thereby having good structural integrity, being simple in preparation process, eliminating a complex process for respectively finishing multiple fiber silks, obviously reducing the probability of producing burrs on the surface of the thin film or strip and also obviously reducing the probability of breaking, distortion, intertwining and other phenomena in the thin film or strip.
  • the rigging including the body bears a load, the ultra-high molecular weight polyethylene thin film or strip is stressed as a whole, so that the strength of the rigging is relatively high and the strength utilization ratio is effectively improved.
  • the strength of the rigging prepared on the basis of the ultra-high molecular weight polyethylene thin film or strip is higher than that of a product prepared by adopting the ultra-high molecular weight polyethylene fiber with the same denier number, the cost of the former is obviously lower than the latter, and the rigging has the advantages of good structural integrity, high strength, high strength utilization ratio, high production efficiency, low processing cost, light weight, small surface density, good flexibility and the like.
  • the embodiment provides a preparation method of a high-strength rigging, at least comprising the following step:
  • step S 101 preparing a body of the high-strength rigging from an ultra-high molecular weight polyethylene thin film or strip.
  • the high-strength rigging provided in each embodiment of the invention may comprises a sheath and other structures, and the body is a main part for bearing force.
  • Preparing the body of the high-strength rigging from the ultra-high molecular weight polyethylene thin film or strip specifically comprises: converging the ultra-high molecular weight polyethylene thin film or strip to prepare a single yarn and using the prepared single yarns to replace traditional ultra-high molecular weight polyethylene fibers to prepare the rigging, for example, various wires, riggings, strips and the like.
  • the ultra-high molecular weight polyethylene thin film or strip can also be used for directly replacing the traditional ultra-high molecular weight polyethylene fibers to prepare the rigging, for example, multiple ultra-high molecular weight polyethylene strips are laminated to obtain a strip-like rigging.
  • the related parameters of the ultra-high molecular weight polyethylene thin film in each embodiment of the invention at least meet one or more of the following conditions: the linear density is above 5000 deniers; the width is above 100 mm; the thickness is below 0.2 mm; the breaking strength is above 10 grams/denier; the tensile modulus is above 800 grams/denier; and the elongation at break is below 6%.
  • the rigging has higher integral strength and can meet the preparation requirements of high-strength load, bulletproof and other products.
  • the related parameters of the ultra-high molecular weight polyethylene strip provided in each embodiment of the invention at least meet one or more of the following conditions: the linear density is above 100 deniers; the width is 1-100 mm; the thickness is below 0.2 mm; the breaking strength is above 10 grams/denier; the tensile modulus is above 800 grams/denier; and the elongation at break is below 6%.
  • the rigging By preparing the rigging on the basis of the ultra-high molecular weight polyethylene strip with one or more of the priggingrties described above, the rigging has higher integral strength and can meet the preparation requirements of high-strength load, bulletproof and other products.
  • the ultra-high molecular weight polyethylene thin film or strip is adopted to prepare the body, and the ultra-high molecular weight polyethylene thin film or strip has an integral structure without integration points or trim lines and is different from the silk-like structure of the ultra-high molecular weight polyethylene fiber in the prior art, so that in the preparation process of the rigging, the ultra-high molecular weight polyethylene thin film or strip is treated as a whole, a complex process for respectively finishing multiple fiber silks is eliminated, and the probability of breaking, distortion, intertwining and other phenomena in the thin film or strip is obviously reduced.
  • the ultra-high molecular weight polyethylene thin film or strip When the rigging prepared on the basis of the ultra-high molecular weight polyethylene thin film or strip bears a load, the ultra-high molecular weight polyethylene thin film or strip is stressed as a whole, so that the strength of the rigging is relatively high and the strength utilization ratio is effectively improved.
  • the strength of the rigging adopting the ultra-high molecular weight polyethylene thin film or strip is higher than that of the rigging prepared by adopting the ultra-high molecular weight polyethylene fiber with the same denier number, and the cost of the former is obviously lower than the latter.
  • the embodiment provides a preparation method of a high-strength rigging, comprising the step of converging or converging and twisting the ultra-high molecular weight polyethylene thin film or strip into a single yarn to obtain a body.
  • the body of the high-strength rigging in the embodiment is the single yam formed by converging the ultra-high molecular weight polyethylene thin film or strip, or the single yam formed by converging and twisting the ultra-high molecular weight polyethylene thin film or strip, thereby having a linear structure.
  • the ultra-high molecular weight polyethylene thin film or strip is converged along the straightening direction of a molecular chain thereof.
  • Preparing the body by converging the ultra-high molecular weight polyethylene thin film or strip specifically comprises: placing the ultra-high molecular weight polyethylene thin film or strip on a reeling and unreeling device for converging to obtain the single yam, as the stress direction of the ultra-high molecular weight polyethylene thin film or strip is along the straightening direction of the molecular chain when it bears a load, the strength utilization ratio can be improved to the greatest extent.
  • the method for preparing the body by converging and twisting the ultra-high molecular weight polyethylene thin film or strip comprises: placing the ultra-high molecular weight polyethylene thin film or strip on the reeling and unreeling device for converging, and then placing the converged ultra-high molecular weight polyethylene thin film or strip on a double-twisting machine for twisting, wherein the twist is 1-50, the twisting direction is left twisting or right twisting, and the single yarn obtained by converging and twisting has an appropriate thickness and a high cohesion, can effectively prevent the body from fluffing due to friction and thus is more wear-resistant.
  • the single yarn prepared by converging or converging and twisting the ultra-high molecular weight polyethylene thin film or strip can be applied to preparation of fishing lines, deep water net cages, net pieces, drag nets and the like.
  • the embodiment provides a preparation method of a high-strength rigging, comprising integrally arranging multiple single yarns to form the body, wherein each single yarn is prepared by converging or converging and twisting the ultra-high molecular weight polyethylene thin film or strip.
  • the high-strength rigging in the embodiment at least comprises the body prepared by the ultra-high molecular weight polyethylene thin film or strip, the body comprises multiple single yarns, each single yarn is prepared by converging the ultra-high molecular weight polyethylene thin film or strip, or each single yarn is prepared by converging and twisting the ultra-high molecular weight polyethylene thin film or strip, and the high-strength rigging in the embodiment has a rigging-like structure.
  • Each single yarn is converted along the straightening direction of a molecular chain of the ultra-high molecular weight polyethylene thin film or strip.
  • the body with a higher strength can be obtained.
  • the multiple single yarns are converged into a whole, specifically comprising: placing the multiple single yarns on a reeling and unreeling device for converging, and the body prepared in this way can be applied to electric traction riggings, optical cable reinforcing cores and the like.
  • the multiple single yarns are twisted into a whole, and the method comprises: placing the multiple single yarns on a double-twisting machine for twisting, wherein the twist is 1-50, one part of the multiple single yarns is twisted in a left twisting direction, and the other part is twisted in a right twisting direction, it is also possible for all the multiple single yarns to be twisted in a left twisting or right twisting direction, and the body prepared in this way has a high strength and strong wear resistance, and can be applied to net pieces, deep water net cages, ocean-going drag nets, brake riggings, airfreight nets, guide riggings of helicopters, suspension riggings on deceleration parachutes and aircrafts, electric traction riggings and the like.
  • the multiple single yarns are woven into a whole, and the method comprises: placing the multiple single yarns on a weaving machine for weaving into a rigging, wherein the number of the single yarns can be set according to need, and the body prepared in this way can be applied to guide riggings of helicopters, suspension riggings on deceleration parachutes and aircrafts, electric traction riggings, ship mooring riggings, cable riggings, anchoring riggings, tank drag riggings, mooring anchoring riggings, crashproof poles, cable reinforcing cores and the like.
  • the embodiment provides a preparation method of a high-strength rigging, comprising: plying multiple yarn strands to obtain a body, wherein each yarn strand comprises multiple single yarns, and each single yarn is prepared by converging or converging and twisting an ultra-high molecular weight polyethylene thin film or strip.
  • the body of the high-strength rigging in the embodiment is formed by plying the multiple yarn strands, wherein each yarn strand comprises multiple single yarns, each single yarn is prepared by converging the ultra-high molecular weight polyethylene thin film or strip, or each single yarn is prepared by converging and twisting the ultra-high molecular weight polyethylene thin film or strip; and the body of the high-strength rigging in the embodiment has a rigging-like structure.
  • the multiple single yams included in each yarn strand are converged into a whole, and the yarn strands prepared in this way can be applied to electric traction riggings, cable reinforcing cores and the like.
  • the multiple single yams included in each yam strand are twisted into a whole, and the yarn strands prepared in this way can be applied to net pieces, deep water net cages, ocean-going drag nets, brake riggings, airfreight nets, guide riggings of helicopters, suspension riggings on deceleration parachutes and aircrafts, electric traction riggings and the like.
  • the multiple single yams included in each yam strand are woven into a whole, and the yam strands prepared in this way can be applied to guide riggings of helicopters, suspension riggings on deceleration parachutes and aircrafts, electric traction riggings, ship mooring riggings, cable riggings, anchoring riggings, tank drag riggings, mooring anchoring riggings, crashproof poles, cable reinforcing cores and the like.
  • the multiple yam strands are converged into a whole, and the method specifically comprises: placing the multiple yarn strands on a reeling and unreeling device for converging, wherein the multiple yam strands are converged along the straightening direction of a molecular chain of the ultra-high molecular weight polyethylene thin film or strip, and the body prepared in this way can be applied to electric traction riggings, crashproof poles and optical cable reinforcing cores.
  • the multiple single yarns 301 are twisted into a whole, and the method specifically comprises: placing the multiple single yarns on a double-twisting machine for twisting, wherein one part of the multiple single yams is twisted in a left twisting direction, and the other part is twisted in a right twisting direction, or it is also possible for all the multiple single yams to be twisted in a left twisting or right twisting direction, and the body prepared in this way can be applied to net pieces, deep water net cages, ocean-going drag nets, brake riggings, airfreight nets, guide riggings of helicopters, suspension riggings on deceleration parachutes and aircrafts, electric traction riggings and the like.
  • the multiple single yarns 401 are woven into a whole, and the method specifically comprises: placing the multiple single yarns on a weaving machine for weaving, wherein the number of the single yarns can be set according to need, and the body prepared in this way can be applied to guide riggings of helicopters, suspension riggings on deceleration parachutes and aircrafts, electric traction riggings, ship mooring riggings, cable riggings, anchoring riggings, tank drag riggings, mooring anchoring riggings, crashproof poles, cable reinforcing cores and the like.
  • the breaking load (the load at break) can be above 8.5 tons, the production cost is low, and in addition, the body has the advantages of light weight, corrosion resistance, wear resistance, ultraviolet resistance, long service life, portability and the like.
  • the embodiment provides a high-strength rigging, which at least comprises a body prepared from an ultra-high molecular weight polyethylene thin film or strip, the body comprises multiple single yarns, each single yarn is prepared by converging the ultra-high molecular weight polyethylene thin film or strip, or each single yarn is prepared by converging and twisting the ultra-high molecular weight polyethylene thin film or strip.
  • a hoisting strip comprises a sheath 501 and a bearing core 502 , the body is the bearing core of the hoisting strip, the body has a strip-like structure, the multiple single yarns are woven into a whole to obtain the body, and the method comprises: placing the multiple single yarns on a weaving machine for weaving, and the number of the single yarns can be set according to need.
  • the hoisting strip prepared from the ultra-high molecular weight polyethylene thin film or strip bears the load, the ultra-high molecular weight polyethylene thin film or strip is stressed as a whole, so that the strength of the hoisting strip is relatively high, and the strength utilization ratio is effectively improved.
  • the strength of the hoisting strip prepared from the ultra-high molecular weight polyethylene thin film or strip is much higher than that of the hoisting strip prepared from ultra-high molecular weight polyethylene fibers with the same denier number, and the cost of the former is obviously lower than the latter.
  • the embodiment provides a high-strength rigging, which at least comprises a body prepared from an ultra-high molecular weight polyethylene thin film or strip, the body comprises multiple yarn strands, each yarn strand comprises multiple single yarns, each single yarn is prepared by converging an ultra-high molecular weight polyethylene thin film or strip, or each single yarn is prepared by converging and twisting the ultra-high molecular weight polyethylene thin film or strip.
  • the body is a bearing core of a hoisting strip, and the body has a strip-like structure.
  • the multiple single yams included in each yarn strand are converged into a whole.
  • the multiple single yams included in each yam strand are twisted into a whole.
  • the multiple single yams included in each yam strand are woven into a whole.
  • the multiple yam strands are woven into a whole to obtain the body, and the method specifically comprises: placing the multiple yarn strands on a weaving machine for weaving, and the number of the yam strands can be set according to actual requirements.
  • the hoisting strip prepared from the ultra-high molecular weight polyethylene thin film or strip bears the load, the ultra-high molecular weight polyethylene thin film or strip is stressed as a whole, so that the strength of the hoisting strip is relatively high, and the strength utilization ratio is effectively improved.
  • the strength of the hoisting strip prepared from the ultra-high molecular weight polyethylene thin film or strip is much higher than that of the hoisting strip prepared from ultra-high molecular weight polyethylene fibers with the same denier number, and the cost of the former is obviously lower than the latter.

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  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
US14/900,140 2013-06-20 2013-06-20 High-strength rigging and preparation method thereof Abandoned US20160145796A1 (en)

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PCT/CN2013/077546 WO2014201653A1 (zh) 2013-06-20 2013-06-20 高强度索具及其制备方法

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EP (1) EP3012369A4 (ja)
JP (1) JP6298885B2 (ja)
KR (1) KR20160012198A (ja)
CN (1) CN205443753U (ja)
AU (1) AU2013393268B2 (ja)
CA (1) CA2914851A1 (ja)
EA (1) EA031187B1 (ja)
WO (1) WO2014201653A1 (ja)

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US20190017203A1 (en) * 2017-07-14 2019-01-17 Unitika Ltd. Method for manufacturing fishing net
CN113047072A (zh) * 2019-12-29 2021-06-29 盐城神力制绳有限公司 超高分子量聚乙烯缆绳
NO346631B1 (en) * 2017-07-14 2022-11-07 Unitika Ltd Method for manufacturing fishing net

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US20170096793A1 (en) * 2015-10-02 2017-04-06 Caterpillar Inc. Construction machine having synthetic rope arrangement
CN106835444A (zh) * 2017-02-13 2017-06-13 肃宁县中原纺织有限责任公司 一种防撕裂布的加工方法

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EP3012369A4 (en) 2017-02-15
KR20160012198A (ko) 2016-02-02
AU2013393268B2 (en) 2017-04-13
EA031187B1 (ru) 2018-11-30
CN205443753U (zh) 2016-08-10
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JP2016528396A (ja) 2016-09-15
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