FR3122674B1 - Two-layer multi-strand rope with improved areal breaking energy - Google Patents

Two-layer multi-strand rope with improved areal breaking energy Download PDF

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Publication number
FR3122674B1
FR3122674B1 FR2104823A FR2104823A FR3122674B1 FR 3122674 B1 FR3122674 B1 FR 3122674B1 FR 2104823 A FR2104823 A FR 2104823A FR 2104823 A FR2104823 A FR 2104823A FR 3122674 B1 FR3122674 B1 FR 3122674B1
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FR
France
Prior art keywords
cable
layer
wires
external
internal
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.)
Active
Application number
FR2104823A
Other languages
French (fr)
Other versions
FR3122674A1 (en
Inventor
Marianna Chevalley
Romain Barbat
Alexandre Gianetti
Stéphane Laurent
Natacha Pironneau
Benoît Renaux
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.)
Compagnie Generale des Etablissements Michelin SCA
Original Assignee
Compagnie Generale des Etablissements Michelin SCA
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Publication date
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Priority to FR2104823A priority Critical patent/FR3122674B1/en
Publication of FR3122674A1 publication Critical patent/FR3122674A1/en
Application granted granted Critical
Publication of FR3122674B1 publication Critical patent/FR3122674B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0606—Reinforcing cords for rubber or plastic articles
    • D07B1/0613—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the rope configuration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C9/2003—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords
    • B60C9/2006—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel characterised by the materials of the belt cords consisting of steel cord plies only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers
    • B60C9/20—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers built-up from rubberised plies each having all cords arranged substantially parallel
    • B60C2009/2074—Physical properties or dimension of the belt cord
    • B60C2009/2096—Twist structures
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
    • D07B1/0606—Reinforcing cords for rubber or plastic articles
    • D07B1/062—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration
    • D07B1/0626—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration the reinforcing cords consisting of three core wires or filaments and at least one layer of outer wires or filaments, i.e. a 3+N configuration
    • 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
    • D07B2201/1044—Rope or cable structures twisted characterised by a value or range of the pitch parameter given
    • 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
    • D07B2201/1064—Rope or cable structures twisted characterised by lay direction of the strand compared to the lay direction of the wires in the strand
    • D07B2201/1068—Rope or cable structures twisted characterised by lay direction of the strand compared to the lay direction of the wires in the strand having the same lay direction
    • 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
    • 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
    • D07B2201/2006—Wires or filaments characterised by a value or range of the dimension given
    • 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
    • D07B2201/2029—Open winding
    • 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
    • D07B2201/2029—Open winding
    • D07B2201/2031—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
    • D07B2201/2024—Strands twisted
    • D07B2201/2029—Open winding
    • D07B2201/2031—Different twist pitch
    • D07B2201/2032—Different twist pitch compared with the 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
    • D07B2201/2047—Cores
    • D07B2201/2051—Cores characterised by a value or range of the dimension given
    • 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
    • D07B2201/2047—Cores
    • D07B2201/2052—Cores characterised by their structure
    • D07B2201/2059—Cores characterised by their structure comprising wires
    • D07B2201/2061—Cores characterised by their structure comprising wires resulting in a twisted structure
    • 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
    • D07B2401/2005—Elongation or elasticity
    • 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
    • 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
    • D07B2401/208—Enabling filler penetration

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)

Abstract

L’invention concerne un câble (50) multi-torons comprenant une couche interne (CI) du câble constituée de K=3 ou 4 torons internes (TI) à deux couches (C1, C3) avec la couche interne (C1) constituée de Q fils métalliques internes (F1) et la couche externe (C3) constituée de N fils métalliques externes (F3) et une couche externe (CE) du câble constituée de L>1 torons externes (TE) à deux couches (C1’, C3’) enroulés autour de la couche interne (CI) du câble avec la couche interne (C1’) constituée de Q’ fils métalliques internes (F1’) et la couche externe (C3’) constituée de N’ fils métalliques externes (F3’). Le câble (50) présente une énergie à rupture surfacique ES ≥ 160 N.mm-1 avec ES= x x Cfrag / D, avec somme des forces à rupture pour Nc fils, somme de l’allongement total des Nc fils, Cfrag coefficient de fragilisation du câble (50) et D diamètre du câble (50). Figure pour l’abrégé : Fig 4The invention relates to a multi-strand cable (50) comprising an internal layer (CI) of the cable consisting of K=3 or 4 internal strands (TI) with two layers (C1, C3) with the internal layer (C1) consisting of Q internal metallic wires (F1) and the external layer (C3) consisting of N external metallic wires (F3) and an external layer (CE) of the cable consisting of L>1 external strands (TE) with two layers (C1', C3 ') wound around the inner layer (CI) of the cable with the inner layer (C1') consisting of Q' inner metal wires (F1') and the outer layer (C3') consisting of N' outer metal wires (F3' ). The cable (50) has a surface breaking energy ES ≥ 160 N.mm-1 with ES= x x Cfrag / D, with sum of the breaking forces for Nc wires, sum of the total elongation of the Nc wires, Cfrag coefficient of embrittlement of the cable (50) and D diameter of the cable (50). Figure for abstract: Fig 4

FR2104823A 2021-05-07 2021-05-07 Two-layer multi-strand rope with improved areal breaking energy Active FR3122674B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR2104823A FR3122674B1 (en) 2021-05-07 2021-05-07 Two-layer multi-strand rope with improved areal breaking energy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2104823 2021-05-07
FR2104823A FR3122674B1 (en) 2021-05-07 2021-05-07 Two-layer multi-strand rope with improved areal breaking energy

Publications (2)

Publication Number Publication Date
FR3122674A1 FR3122674A1 (en) 2022-11-11
FR3122674B1 true FR3122674B1 (en) 2023-03-31

Family

ID=76523137

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2104823A Active FR3122674B1 (en) 2021-05-07 2021-05-07 Two-layer multi-strand rope with improved areal breaking energy

Country Status (1)

Country Link
FR (1) FR3122674B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419181A1 (en) 1978-03-10 1979-10-05 Michelin & Cie IMPROVEMENTS TO RADIAL CARCASE TIRES
FR2419182A1 (en) 1978-03-10 1979-10-05 Michelin & Cie RADIAL CARCASS TIRE, ESPECIALLY FOR CIVIL ENGINEERING VEHICLES
EP2423380B1 (en) 2006-08-31 2016-10-12 Bridgestone Corporation Steel cord for reinforcing rubber and pneumatic radial tire
US11401656B2 (en) * 2017-12-19 2022-08-02 Compagnie Generale Des Etablissments Michelin Two-layer multi-strand cords having very low, low and medium moduli
US11591750B2 (en) * 2017-12-19 2023-02-28 Compagnie Generale Des Etablissements Michelin Two-layer multi-strand cables having very low, low and medium modulus

Also Published As

Publication number Publication date
FR3122674A1 (en) 2022-11-11

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