EP1004700B1 - Câble en fibres synthétiques sans gaine extérieure et procédé de fabrication correspondant - Google Patents

Câble en fibres synthétiques sans gaine extérieure et procédé de fabrication correspondant Download PDF

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Publication number
EP1004700B1
EP1004700B1 EP99123456A EP99123456A EP1004700B1 EP 1004700 B1 EP1004700 B1 EP 1004700B1 EP 99123456 A EP99123456 A EP 99123456A EP 99123456 A EP99123456 A EP 99123456A EP 1004700 B1 EP1004700 B1 EP 1004700B1
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EP
European Patent Office
Prior art keywords
synthetic
strands
fiber
rope
outermost layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99123456A
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German (de)
English (en)
Other versions
EP1004700A3 (fr
EP1004700A2 (fr
Inventor
Claudio Dipl.-Ing. De Angelis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
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Inventio AG
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Publication date
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Priority to EP99123456A priority Critical patent/EP1004700B1/fr
Publication of EP1004700A2 publication Critical patent/EP1004700A2/fr
Publication of EP1004700A3 publication Critical patent/EP1004700A3/fr
Application granted granted Critical
Publication of EP1004700B1 publication Critical patent/EP1004700B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • 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
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/165—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber inlay
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1012—Rope or cable structures characterised by their internal structure
    • D07B2201/1016—Rope or cable structures characterised by their internal structure characterised by the use of different strands
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1012—Rope or cable structures characterised by their internal structure
    • D07B2201/102—Rope or cable structures characterised by their internal structure including a core
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1028—Rope or cable structures characterised by the number of strands
    • D07B2201/1036—Rope or cable structures characterised by the number of strands nine or more strands respectively forming multiple layers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/104—Rope or cable structures twisted
    • D07B2201/1076—Open winding
    • D07B2201/1084—Different twist pitch
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2023—Strands with core
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2024—Strands twisted
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2042—Strands characterised by a coating
    • D07B2201/2044—Strands characterised by a coating comprising polymers
    • 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
    • D07B2201/2015—Strands
    • D07B2201/2046—Strands comprising fillers
    • 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
    • D07B2201/2075—Fillers
    • D07B2201/2078—Fillers having a load bearing function
    • 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
    • D07B2201/2075—Fillers
    • D07B2201/2082—Fillers characterised by the materials used
    • 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
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • 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
    • D07B2205/2064—Polyurethane resins
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/202—Environmental resistance
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2401/00—Aspects related to the problem to be solved or advantage
    • D07B2401/20—Aspects related to the problem to be solved or advantage related to ropes or cables
    • D07B2401/2065—Reducing wear
    • D07B2401/207—Reducing wear internally
    • 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
    • D07B2501/2007—Elevators

Definitions

  • the invention relates to a synthetic fiber rope, preferably made of aromatic polyamide, with an envelope according to the preamble of claim 1 and a method for producing a synthetic fiber ropes according to the preamble of claim 8.
  • Ropes are particularly in conveyor technology, such as elevators, crane construction and mining , an important heavy-duty machine element. Particularly complex is the stress of driven ropes, rope ropes umglenkten cables or wound on drums ropes, such as those used in elevator construction and cable cars. There are large rope lengths necessary and there is energetic reasons the demand for the smallest possible masses.
  • High-strength synthetic fiber ropes for example made from aromatic polyamides or aramids with highly oriented molecular chains, fulfill these requirements better than conventional steel ropes.
  • each individual strand of this layer is provided there with an extruded plastic jacket, preferably polyurethane or polyamide, which serve as abrasion protection for the rope as a whole and ensure the desired coefficient of friction with the traction sheave.
  • the invention has for its object to reduce the manufacturing cost of a synthetic fiber rope, while maintaining high functionality is ensured.
  • the advantages achieved by the invention consist in a permanent bond of the sheath to the synthetic fiber strands of the outer strand layer, because the material of the sheath and of the synthetic fibers of the strands fixing matrix are the same. By simply adding appropriate additives, the functionality can be easily extended over the entire lifetime of fiber ropes.
  • the inventive wrapper forms neither upsets nor is it slidable on the synthetic fiber strands.
  • the production of the envelope is largely without additional device overhead and is simple and inexpensive. Starting from conventional synthetic fiber strands produced in large quantities, the synthetic fiber strands for the outermost fiber strand layer are only to be pulled through an already existing impregnation bath in order to form the coating according to the invention.
  • the layer thickness is adjustable over the residence time of the synthetic fiber strand in the impregnating bath. The coating process can also be repeated as often as desired.
  • a particularly abrasion-resistant embodiment of the coating is achieved by adding short fibers, for example aramid, to the impregnating bath.
  • the strands 2, 3, 4 and 5 consist essentially of aramid yarns 8 which are helically fixed in a polyurethane matrix.
  • the aramid yarns 8 are treated with a protective impregnating agent, for example polyurethane solution.
  • the proportion of polyurethane in each strand 2,4,5 is decisive for the bending fatigue strength of the rope 1.
  • the polyurethane content for impregnating the strands 2,4,5 can be depending on the desired rope properties, for example, between ten and sixty percent.
  • the aramid yarns 8 are connected to a filament 7 by means of impregnation and fixed.
  • the impregnation forms a protective thin layer 9 around each individual filament 7.
  • Sieving of the filaments 7 are helically wound together to form a stranded wire 2, 3, 4, 5.
  • the filaments 7 do not have the circular shape shown in the drawing, but are adapted to the surface of adjacent filaments and the strands.
  • the structure of all the strands used in the embodiment is 2,3,4,5 are basically the same, but the number of twists per meter between the different layers of strands and the strands with different strand diameters may be different.
  • each of the thick strands 4 and thin strands 5 stranded in the cover layer 6 is enveloped by an additional protective layer 10 of impregnating agent according to the invention.
  • This protective layer is advantageously formed by additional impregnation in an impregnating bath in a continuous process on the surface of the thick strands 4 and thin strands 5.
  • the impregnating agent also contains additives of UV stabilizers, preferably silicon crystals, oxidation and reduction blockers.
  • the addition of short fibers, preferably of aramid gives the protective layer 10 improved abrasion resistance.
  • the thickness 11 of the protective layer 10 around the individual strands 4,5 is here 0.2 mm; According to the invention, however, it can be selected in the range between 0.1 and 1 mm depending on the desired protective effect.
  • the protective layer 10 acts as abrasion protection between the thick strands 4 and the thin strands 5 of the cover layer 6 and forms in association of all strands 4.5 of the cover layer 6 to the outside an equally effective and inexpensive to produce covering the rope 1. On an additional cable sheath made of plastic can therefore be dispensed with.
  • a protective layer 10 coated strands 4, 5 can be prefabricated as a semi-finished product and then further processed as required by conventional stranding, which significantly reduces the cost of manufacturing the aramid fiber rope 1.
  • another liquid with an adhesive property can also be applied to the rope.
  • the rope can be used in a variety of conveyor systems, e.g. for elevators, shaft conveyors in the mining industry, load cranes such as construction cranes, ship cranes, cable cars and ski lifts, as well as traction devices on escalators.
  • the drive can be done either by frictional engagement on traction sheaves or Koeppe discs as well as by rotating cable drums on which the rope is wound.
  • Under rope is a running, driven rope to understand, which is sometimes referred to as a train or suspension rope.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Ropes Or Cables (AREA)

Claims (11)

  1. Câble en fibres synthétiques (1) avec des torons porteurs (2, 3, 4, 5) composés de fibres synthétiques (8), de préférence des fibres en polyamide, mises en faisceaux et fixées à l'aide d'un premier agent d'imprégnation, lesquels torons porteurs en fibres synthétiques (4, 5) sont toronnés en une couche de torons extérieure (6) sur un intérieur de câble formé par des torons porteurs en fibres synthétiques (2, 3) toronnés par couches, caractérisé en ce que chaque toron individuel de le couche extérieure (6) est entouré par un revêtement, chaque revêtement étant formé à partir d'un liquide, le liquide contenant des additifs de stabilisateurs UV et d'autres stabilisateurs, de sorte que la couche de torons extérieure (6) forme une enveloppe (10) du câble en fibres synthétiques (1) pour une protection contre l'abrasion et contre les influences de l'environnement endommageant ledit câble (1), et la couche de torons extérieure (6) formant la surface extérieure du câble en fibres synthétiques.
  2. Câble en fibres synthétiques selon la revendication 1, caractérisé en ce que seuls les torons (4, 5) de la couche extérieure (6) sont entourés par le revêtement.
  3. Câble en fibres synthétiques selon l'une des revendications 1 ou 2, caractérisé en ce que le liquide se compose du premier agent d'imprégnation destiné à fixer les fibres synthétiques (8), comme base, et forme avec les additifs un second agent d'imprégnation.
  4. Câble en fibres synthétiques selon la revendication 3, caractérisé en ce que le second agent d'imprégnation contient des fibres courtes pour une protection contre l'abrasion.
  5. Câble en fibres synthétiques selon la revendication 3, caractérisé en ce que le second agent d'imprégnation contient des antioxydants et des agents antiréduction.
  6. Câble en fibres synthétiques selon la revendication 3, caractérisé en ce que les premier et second agents d'imprégnation se composent, comme base, d'une solution de polyuréthanne.
  7. Câble en fibres synthétiques selon l'une des revendications 1 ou 2, caractérisé en ce que l'enveloppe (10) présente une épaisseur de couche (11) de 0,1 à 1 mm.
  8. Procédé pour fabriquer un câble en fibres synthétiques (1) à partir de fibres synthétiques (8), de préférence des fibres de polyamide, mises en faisceaux et fixées à l'aide d'un premier agent d'imprégnation pour former des torons porteurs en fibres synthétiques (2, 3, 4, 5), lesquels torons porteurs en fibres synthétiques (4, 5) sont toronnés en une couche de torons extérieure (6) sur un intérieur de câble formé par des torons porteurs en fibres synthétiques (2, 3) toronnés par couches, caractérisé en ce que les torons en fibres synthétiques (4, 5) de la couche extérieure (6) sont revêtus d'un liquide par immersion de chaque toron, le liquide contenant des additifs de stabilisateurs UV et d'autres additifs, de sorte que la couche de torons extérieure (6) forme une enveloppe (10) du câble en fibres synthétiques (1) pour une protection contre l'abrasion et contre les influences environnantes endommageant ledit câble, la couche de torons extérieure (6) formant la surface extérieure du câble en fibres (1).
  9. Procédé selon la revendication 8, caractérisé en ce que seuls les torons (4, 5) de la couche de torons extérieure (6) sont revêtus du liquide.
  10. Procédé selon l'une des revendications 8 ou 9, caractérisé en ce qu'à la suite d'une première immersion dans le liquide, des fibres courtes sont appliquées sur les torons en fibres synthétiques (4, 5) de la couche extérieure (6), puis les torons en fibres synthétiques (4, 5) sont à nouveau revêtus de liquide par immersion.
  11. Installation d'ascenseur avec un câble en fibres synthétiques selon l'une des revendications 1 à 7.
EP99123456A 1998-11-25 1999-11-25 Câble en fibres synthétiques sans gaine extérieure et procédé de fabrication correspondant Expired - Lifetime EP1004700B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99123456A EP1004700B1 (fr) 1998-11-25 1999-11-25 Câble en fibres synthétiques sans gaine extérieure et procédé de fabrication correspondant

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98811165 1998-11-25
EP98811165 1998-11-25
EP99123456A EP1004700B1 (fr) 1998-11-25 1999-11-25 Câble en fibres synthétiques sans gaine extérieure et procédé de fabrication correspondant

Publications (3)

Publication Number Publication Date
EP1004700A2 EP1004700A2 (fr) 2000-05-31
EP1004700A3 EP1004700A3 (fr) 2001-01-24
EP1004700B1 true EP1004700B1 (fr) 2011-02-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422373A (zh) * 2013-07-31 2013-12-04 泰安鲁普耐特塑料有限公司 一种超轻高强复合绳索及制作方法
US10472765B2 (en) 2014-11-05 2019-11-12 Teufelberger Fiber Rope Gmbh Rope made of textile fiber material

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002010050A1 (fr) * 2000-07-27 2002-02-07 Mitsubishi Denki Kabushiki Kaisha Dispositif elevateur, et procede permettant de produire des cables principaux destines a des dispositifs elevateurs
JP4777597B2 (ja) * 2000-08-21 2011-09-21 三菱電機株式会社 巻上用ロープ
EP1478801A4 (fr) * 2002-01-30 2007-02-14 Thyssen Elevator Capital Corp Corde en fibre synthetique pour ascenseur
DE102005008087B4 (de) * 2004-11-15 2023-10-05 Liebherr-Werk Biberach Gmbh Kran
EP1905892B1 (fr) * 2006-09-29 2011-11-16 Inventio AG Câble en fibres synthétiques, installation d'ascenseur comportant un tel câble en fibres synthétiques et procédé pour fabriquer un câble en fibres synthétiques
SG141343A1 (en) * 2006-09-29 2008-04-28 Inventio Ag Synthetic fibre cable and lift installation with such a synthetic fibre cable
EP4097291A1 (fr) * 2020-11-02 2022-12-07 KV R&D Center GmbH Câble, toron et procédé et dispositif pour produire un câble et un toron

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137990A (en) * 1961-09-29 1964-06-23 William L Carranza Baling twine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095404A (en) * 1975-10-09 1978-06-20 Hitco Method of manufacturing a high-strength, polyurethane-impregnated polyamide cable
MXPA95001137A (es) * 1994-03-02 2004-02-16 Inventio Ag Cable como medio de suspension para un elevador.
US5881843A (en) * 1996-10-15 1999-03-16 Otis Elevator Company Synthetic non-metallic rope for an elevator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137990A (en) * 1961-09-29 1964-06-23 William L Carranza Baling twine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103422373A (zh) * 2013-07-31 2013-12-04 泰安鲁普耐特塑料有限公司 一种超轻高强复合绳索及制作方法
US10472765B2 (en) 2014-11-05 2019-11-12 Teufelberger Fiber Rope Gmbh Rope made of textile fiber material

Also Published As

Publication number Publication date
EP1004700A3 (fr) 2001-01-24
EP1004700A2 (fr) 2000-05-31

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