EP4061996A1 - Zweischichtiges mehradriges kabel mit einer verbesserten oberflächenenergie bis zum bruch - Google Patents

Zweischichtiges mehradriges kabel mit einer verbesserten oberflächenenergie bis zum bruch

Info

Publication number: EP4061996A1
Authority: EP; European Patent Office
Prior art keywords: cable; layer; strand; metal wires; internal
Prior art date: 2019-11-22
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.): Granted

Application number

EP20817463.1A

Other languages

English (en)

French (fr)

Other versions

EP4061996B1 (de

Inventor

Marianna CHEVALLEY

Stéphane LAURENT

Romain BARBAT

Alexandre GIANETTI

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

Priority date (The priority date 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 date listed.)

2019-11-22

Filing date

2020-11-05

Publication date

2022-09-28

2020-11-05 Application filed by Compagnie Generale des Etablissements Michelin SCA filed Critical Compagnie Generale des Etablissements Michelin SCA

2022-09-28 Publication of EP4061996A1 publication Critical patent/EP4061996A1/de

2024-01-03 Application granted granted Critical

2024-01-03 Publication of EP4061996B1 publication Critical patent/EP4061996B1/de

Status Active legal-status Critical Current

2040-11-05 Anticipated expiration legal-status Critical

Links

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
- 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
- D07B1/0633—Reinforcing cords for rubber or plastic articles the reinforcing cords being characterised by the strand configuration having a multiple-layer configuration
- 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
- 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
- D07B1/066—Reinforcing cords for rubber or plastic articles the wires being made from special alloy or special steel composition
- 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
- D07B2201/104—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
- D07B2201/20—Rope or cable components
- D07B2201/2001—Wires or filaments
- D07B2201/2009—Wires or filaments characterised by the materials used
- 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
- D07B2201/203—Cylinder winding, i.e. S/Z or Z/S
- 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
- D07B2201/2015—Strands
- D07B2201/2038—Strands characterised by the number of wires or filaments
- D07B2201/2039—Strands characterised by the number of wires or filaments three to eight wires or filaments respectively forming a single layer
- 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
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2065—Cores characterised by their structure comprising a coating
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/30—Inorganic materials
- D07B2205/3021—Metals
- D07B2205/3025—Steel
- D07B2205/3046—Steel characterised by the carbon content
- D07B2205/3057—Steel characterised by the carbon content having a high carbon content, e.g. greater than 0,8 percent respectively SHT or UHT wires
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2207/00—Rope or cable making machines
- D07B2207/40—Machine components
- D07B2207/4072—Means for mechanically reducing serpentining or mechanically killing of rope
- 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
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2046—Tyre cords
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2801/00—Linked indexing codes associated with indexing codes or classes of D07B
- D07B2801/12—Strand
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2801/00—Linked indexing codes associated with indexing codes or classes of D07B
- D07B2801/24—Rope

Definitions

the embrittlement coefficient makes it possible to take into account the loss of efficiency of the cable in traction due to transverse embrittlement in the inter-son contacts at the level of the outer metal son of the inner layer and of the outer layer.
This embrittlement coefficient depends on the number of external metal wires of the internal layer, on the contact angle between the internal strand and the or each external strand, on the diameters d3 and d3 'respectively of the external metal wires of the internal layer and of the outer metal wires of the outer layer, the helix angle of an outer strand, and the breaking force of an outer strand.
a solid cable will have an embrittlement coefficient close to 1 and an embrittled cable will have a non-optimal embrittlement coefficient, rather close to 0.5.
the cables of the state of the art have either a relatively high breaking force but a not optimal embrittlement coefficient, or an optimal embrittlement coefficient, that is to say close to 1 but. relatively low breaking force like example 8 of WO2016017655.
the cables of the state of the art have a relatively low surface breaking energy.
the cable according to the invention due to its relatively high embrittlement coefficient and its breaking strength, exhibits a relatively high elongation at break as well as a relatively high surface breaking energy.
ES ⁇ 160 N. mm -1 preferably ES ⁇ 165 N. mm -1 and more preferably ES ⁇ 170 N. mm -1 .
the embrittlement coefficient Cfrag takes into account the penetration of the cable by the polymer matrix using the inter-strand penetration coefficient Cp.
a cross section of the cable extracted with a saw is made. This operation is repeated ten times to obtain ten cross sections on which we will calculate an average penetration coefficient Cp.
the filling zones of the polymeric composition of each extracted cable are then observed under an electron microscope by quantifying, using an image processing software, the ratio of the non-metal surface without polymeric composition to the surface filled with polymeric composition. in the Sep contact zone shown in figure 8 between the outer strands and the inner strand.
a well penetrated cable will have a penetration coefficient close to 1 and a less well penetrated cable will have a penetration coefficient close to 0.5.
the composition comprises the mixture and / or the reaction product in situ of the various constituents used, some of these constituents being able to react and / or being intended to react between them, at least partially, during the various phases of manufacture of the composition; the composition may thus be in the fully or partially crosslinked state or in the non-crosslinked state.
the interwire distance of the outer layer of the inner strand is less than or equal to 100 ⁇ m.
the sum SI3 of the interwire distances I3 of the outer layer of the inner strand is greater than the diameter d3 of the outer yarns of the outer layer.
FIG. 4 is a schematic sectional view perpendicular to the cable axis (assumed rectilinear and at rest) of a cable (50) according to a first embodiment of the invention
FIG. 5 a schematic sectional view perpendicular to the cable axis (assumed rectilinear and at rest) of an extracted cable (50 ’) according to a first embodiment of the invention
the cable 50 also includes a hoop F, not shown, consisting of a single hoop wire.

Landscapes

Ropes Or Cables (AREA)
Tires In General (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)

EP20817463.1A 2019-11-22 2020-11-05 Zweischichtiges mehradriges kabel mit einer verbesserten oberflächenenergie bis zum bruch Active EP4061996B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR1913078A FR3103500A1 (fr)	2019-11-22	2019-11-22	Câble multi-torons à deux couches à énergie de rupture surfacique améliorée
PCT/FR2020/051999 WO2021099712A1 (fr)	2019-11-22	2020-11-05	Câble multi-torons à deux couches à énergie de rupture surfacique améliorée

Publications (2)

Publication Number	Publication Date
EP4061996A1 true EP4061996A1 (de)	2022-09-28
EP4061996B1 EP4061996B1 (de)	2024-01-03

Family

ID=70008659

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20817463.1A Active EP4061996B1 (de)	2019-11-22	2020-11-05	Zweischichtiges mehradriges kabel mit einer verbesserten oberflächenenergie bis zum bruch

Country Status (7)

Country	Link
US (1)	US12163280B2 (de)
EP (1)	EP4061996B1 (de)
JP (1)	JP7737372B2 (de)
KR (1)	KR102912171B1 (de)
CN (1)	CN114729505B (de)
FR (1)	FR3103500A1 (de)
WO (1)	WO2021099712A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR3111921B1 (fr) *	2020-06-24	2022-06-17	Michelin & Cie	Câble multi-torons à deux couches à endurance sous flexion améliorée
FR3111923B1 (fr)	2020-06-24	2022-06-17	Michelin & Cie	Câble multi-torons à deux couches à endurance sous flexion améliorée
FR3122672A1 (fr) *	2021-05-07	2022-11-11	Compagnie Generale Des Etablissements Michelin	Câble multi-torons à deux couches à énergie de rupture surfacique améliorée
FR3122677B1 (fr) *	2021-05-07	2024-07-12	Michelin & Cie	Câble multi-torons à deux couches à énergie de rupture surfacique améliorée
FR3122676B1 (fr) *	2021-05-07	2024-07-12	Michelin & Cie	Câble multi-torons à deux couches à énergie de rupture surfacique améliorée

Family Cites Families (34)

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Publication number	Priority date	Publication date	Assignee	Title
FR2419181A1 (fr)	1978-03-10	1979-10-05	Michelin & Cie	Perfectionnements aux pneumatiques a carcasse radiale
FR2419182A1 (fr)	1978-03-10	1979-10-05	Michelin & Cie	Pneumatique a carcasse radiale, notamment pour engins de genie civil
JPH06173179A (ja) *	1992-12-01	1994-06-21	Bridgestone Corp	ゴム物品補強用スチールコード
CA2109904C (en) *	1992-12-18	2004-09-14	Pol Bruyneel	Multi-strand steel cord
JP2971058B1 (ja) *	1998-05-15	1999-11-02	住友ゴム工業株式会社	重荷重用ラジアルタイヤ
WO2001034900A1 (en) *	1999-11-11	2001-05-17	Bridgestone Corporation	Rubber article-reinforcing steel cord and tire
US6272830B1 (en) *	2000-02-18	2001-08-14	The Goodyear Tire & Rubber Company	Steel cord for reinforcing elastomeric articles
RU2191705C2 (ru) *	2000-12-21	2002-10-27	Общество с ограниченной ответственностью Научно-производственный и коммерческий центр "ВЕСКОМ"	Покрышка пневматической шины
RU2263731C2 (ru) *	2003-08-19	2005-11-10	Республиканское Унитарное Предприятие "Белорусский Металлургический Завод"	Компактный нерасслаивающийся металлокорд
JP2009242983A (ja) *	2008-03-31	2009-10-22	Kanai Hiroaki	ゴム製品補強用スチールコード、空気入りタイヤおよびゴムクローラー
WO2010060878A1 (en) *	2008-11-25	2010-06-03	Nv Bekaert Sa	Off-the-road steel cord with crimped strands
US20110253279A1 (en) *	2008-12-22	2011-10-20	Guido Luigi Daghini	Tyre reinforced with steel cords comprising fine filaments
FR2947574B1 (fr) *	2009-07-03	2012-11-09	Michelin Soc Tech	Cable multitorons dont les torons elementaires sont des cables a deux couches gommes in situ.
FR2947575B1 (fr) *	2009-07-03	2011-08-19	Michelin Soc Tech	Cable multitorons dont les torons elementaires sont des cables a deux couches gommes in situ.
WO2011116493A1 (en) *	2010-03-23	2011-09-29	Nv Bekaert Sa	Open off-the-road cord with preformed filaments
FR2959517B1 (fr) *	2010-04-28	2012-09-21	Michelin Soc Tech	Cable metallique multitorons elastique a haute permeabilite.
FR2990962B1 (fr) *	2012-05-25	2014-06-27	Michelin & Cie	Procede de fabrication d'un cable metallique multi-torons a deux couches.
FR2990963B1 (fr) *	2012-05-25	2014-12-05	Michelin & Cie	Cable metallique multi-torons a deux couches.
US9441325B2 (en) *	2012-10-04	2016-09-13	The Goodyear Tire & Rubber Company	Atmospheric plasma treatment of reinforcement cords and use in rubber articles
FR3020016B1 (fr) *	2014-04-22	2016-04-01	Michelin & Cie	Pneumatique pour vehicule industriel lourd
JP6689747B2 (ja) *	2014-07-28	2020-04-28	株式会社ブリヂストン	ゴム物品補強用スチールコード
ES2743486T5 (es)	2014-07-28	2023-04-10	Bridgestone Corp	Cable de acero para reforzar un artículo de caucho
FR3017885A1 (fr) *	2015-06-16	2015-08-28	Michelin & Cie	Cable metallique multi-torons
FR3060617A1 (fr) *	2016-12-20	2018-06-22	Compagnie Generale Des Etablissements Michelin	Cable multi-torons a deux couches a penetrabilite amelioree
FR3060616A1 (fr) *	2016-12-20	2018-06-22	Compagnie Generale Des Etablissements Michelin	Cable multi-torons a deux couches a penetrabilite amelioree
US20190184749A1 (en) *	2017-12-15	2019-06-20	Toyo Tire & Rubber Co., Ltd.	Pneumatic tire
CN111684127A (zh) *	2017-12-19	2020-09-18	米其林集团总公司	具有极低、低和中等的模量的双层多线股帘线
US11346049B2 (en) *	2017-12-19	2022-05-31	Compagnie Generale Des Etablissements Michelin	Two-layer multi-strand cords having very low, low and medium moduli
CN111492106B (zh) *	2017-12-19	2022-03-29	米其林集团总公司	具有极低、低和中等的模量的双层多线股帘线
JP7308834B2 (ja) *	2017-12-19	2023-07-14	コンパニーゼネラールデエタブリッスマンミシュラン	超低、低、及び中程度の弾性率を有する２層マルチストランドコード
EP3728730B1 (de) *	2017-12-19	2022-06-29	Compagnie Générale des Etablissements Michelin	Zweilagige mehrsträngige korde mit sehr niedrigen, niedrigen und mittleren moduli
CN208219266U (zh) *	2018-04-28	2018-12-11	江苏巨力钢绳有限公司	一种耐高温防断裂钢丝绳
FR3111923B1 (fr) *	2020-06-24	2022-06-17	Michelin & Cie	Câble multi-torons à deux couches à endurance sous flexion améliorée
FR3111921B1 (fr) *	2020-06-24	2022-06-17	Michelin & Cie	Câble multi-torons à deux couches à endurance sous flexion améliorée

2019
- 2019-11-22 FR FR1913078A patent/FR3103500A1/fr not_active Withdrawn
2020
- 2020-11-05 US US17/778,687 patent/US12163280B2/en active Active
- 2020-11-05 WO PCT/FR2020/051999 patent/WO2021099712A1/fr not_active Ceased
- 2020-11-05 JP JP2022529028A patent/JP7737372B2/ja active Active
- 2020-11-05 CN CN202080080845.XA patent/CN114729505B/zh active Active
- 2020-11-05 KR KR1020227019269A patent/KR102912171B1/ko active Active
- 2020-11-05 EP EP20817463.1A patent/EP4061996B1/de active Active

Also Published As

Publication number	Publication date
US20220412000A1 (en)	2022-12-29
KR20220098374A (ko)	2022-07-12
JP2023503055A (ja)	2023-01-26
US12163280B2 (en)	2024-12-10
EP4061996B1 (de)	2024-01-03
JP7737372B2 (ja)	2025-09-10
CN114729505A (zh)	2022-07-08
FR3103500A1 (fr)	2021-05-28
WO2021099712A1 (fr)	2021-05-27
CN114729505B (zh)	2023-06-23
KR102912171B1 (ko)	2026-01-16

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