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EP1820765A1 - Seil für aufzug und aufzug - Google Patents

Seil für aufzug und aufzug Download PDF

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Publication number
EP1820765A1
EP1820765A1 EP04822549A EP04822549A EP1820765A1 EP 1820765 A1 EP1820765 A1 EP 1820765A1 EP 04822549 A EP04822549 A EP 04822549A EP 04822549 A EP04822549 A EP 04822549A EP 1820765 A1 EP1820765 A1 EP 1820765A1
Authority
EP
European Patent Office
Prior art keywords
strand
core
outer layer
rope
strands
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.)
Withdrawn
Application number
EP04822549A
Other languages
English (en)
French (fr)
Other versions
EP1820765A4 (de
Inventor
Atsushi c/o Mitsubishi Denki Kabushiki MITSUI
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1820765A1 publication Critical patent/EP1820765A1/de
Publication of EP1820765A4 publication Critical patent/EP1820765A4/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • 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
    • D07B1/0673—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core having a 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
    • D07B1/16—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
    • D07B1/16—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
    • D07B5/00—Making ropes or cables from special materials or of particular form
    • D07B5/007—Making ropes or cables from special materials or of particular form comprising postformed and thereby radially plastically deformed elements
    • 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
    • D07B2201/20—Rope or cable components
    • D07B2201/2015—Strands
    • D07B2201/2019—Strands pressed to shape
    • 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
    • D07B2201/00—Ropes or cables
    • D07B2201/20—Rope or cable components
    • D07B2201/2071—Spacers
    • D07B2201/2074—Spacers in radial direction

Definitions

  • the present invention relates to an elevator rope that has a resin outer layer coating body disposed on an outer portion, and to an elevator apparatus in which that rope is used.
  • sheaves that have a diameter greater than or equal to forty times a rope diameter are used in order to prevent early rope abrasion and wire breakage. Consequently, in order to reduce sheave diameter, it is also necessary to reduce rope diameter.
  • the rope diameter is reduced, there is a risk that a car may be easily vibrated by load fluctuations due to freight loaded onto the car, or passengers getting on and off, etc. , or that vibrations in the ropes at the sheaves may propagate to the car.
  • the number of ropes must be increased, making the configuration of the elevator apparatus complicated.
  • Patent Document 1 Japanese Patent Laid-Open No. 2001-262482
  • the present invention aims to solve the above problems and an object of the present invention is to provide an elevator rope that enables effective cross-sectional area to be improved by improving wire packing density, and to provide an elevator apparatus in which that rope is used.
  • an elevator rope including: a core strand having a core strand main body that is formed by laying together a plurality of steel wires, and a resin core strand coating body that coats the core strand main body; a core rope strand assembly that is constituted by a plurality of core rope strands that each have a core rope strand main body that is formed by laying together a plurality of steel wires, the core rope strands being laid together around the core strand so as to be centered around the core strand; a resin core rope coating body that coats the core rope strand assembly; an outer layer strand assembly that is constituted by a plurality of outer layer strands that each have an outer layer strand main body that is formed by laying together a plurality of steel wires, the outer layer strands being laid together around the core rope coating body; and a resin outer layer coating body that coats the outer layer strand assembly.
  • An elevator apparatus including: a driving machine having a driving machine main body, and a drive sheave that is rotated by the driving machine main body, the driving machine being disposed in a lower portion of a hoistway; a plurality of elevator ropes that are wound around the drive sheave; a car and a counterweight that are suspended inside the hoistway by the elevator ropes using a one-to-one (1:1) roping method; and a plurality of return sheaves that are disposed in an upper portion of the hoistway and that direct the elevator ropes from the drive sheave toward the car and the counterweight, each of the elevator ropes including: a core strand having a core strand main body that is formed by laying together a plurality of steel wires, and a resin core strand coating body that coats the core strand main body; a core rope strand assembly that is constituted by a plurality of core rope strands that each have a core rope strand main body that is formed
  • FIG 1 is a cross section of an elevator rope according to Embodiment 1 of the present invention
  • Figure 2 is a side elevation showing the elevator rope from Figure 1 cut away in layers.
  • an elevator rope includes: a core rope 1; an outer layer strand assembly 2 that is disposed around the core rope 1; and a resin outer layer coating body 3 that coats the outer layer strand assembly 2.
  • the core rope 1 includes: a core strand 4; a core rope strand assembly 5 that is disposed around the core strand 4; and a resin core rope coating body 6 that coats the core rope strand assembly 5.
  • the core strand 4 includes: a core strand main body 7 that is formed by laying together a plurality of steel wires; and a resin core strand coating body 8 that coats the core strand main body 7.
  • the core rope strand assembly 5 is constituted by a plurality of core rope strands 9 (in this case six).
  • each of the core rope strands 9 is constituted only by a core rope strand main body that is formed by laying together a plurality of steel wires.
  • the core rope strands 9 are laid together around the core strand 4 so as to be centered around the core strand 4.
  • the outer layer strand assembly 2 is constituted by a plurality of outer layer strands 10 (in this case twelve) .
  • each of the outer layer strands 10 is constituted only by an outer layer strand main body that is formed by laying together a plurality of steel wires.
  • the outer layer strands 10 are laid together around the core rope coating body 6.
  • the core strand coating body 8 and the core rope coating body 6 are made of a polyethylene resin, for example.
  • the outer layer coating body 3 is made of a high-friction resin material having a coefficient of friction greater than or equal to 0.2, such as a polyurethane resin, for example.
  • the cross-sectional construction of the core strand main body 7 is warrington (JIS G 3525), but it can also be made warrington, warrington-seale, or filler.
  • the cross-sectional constructions of the core strand main body 7, the core rope strands 8 (core rope strand main bodies), and the outer layer strands 9 (outer layer strand main bodies) are similar to each other.
  • the core strand main body 7, the core rope strands 9, and the outer layer strands 10 are configured by parallel laying steel wires into three or more layers.
  • a rope diameter excluding the outer layer coating body 3, i.e., an outside diameter of the outer layer strand assembly 2, is greater than or equal to twenty times a diameter of the steel wires. Diameters of all of the steel wires are set to less than or equal to 1/400 of a diameter of sheaves with which they are used, i.e., sheaves (or pulleys) around which the elevator rope is wound.
  • a direction of lay of the outer layer strands 10 is a reverse direction to a direction of lay of the core rope strands 9.
  • a direction of lay of the steel wires of the core strand main body 7 is also a reverse direction to a direction of lay of the core rope strands 9.
  • the core strand main body 7, the core rope strands 9, and the outer layer strands 10 are configured by parallel laying steel wires into three or more layers, air gaps between the wires are reduced since the steel wires are in line contact with each other, enabling packing density of the steel wires to be further improved and also enabling abrasive wear of the steel wires to be further reduced.
  • diameters ⁇ of the steel wires in the outer layer strands 10 can be reduced without making configuration of the outer layer strands 10 complicated, enabling a relationship with the rope diameter d excluding the outer layer coating body 3 to be made d/ ⁇ ⁇ 20, thereby enabling generated bending stresses to be reduced.
  • diameter of the core rope 1 can be increased to a certain extent, strength degradation of the steel wires due to abrasion can be suppressed without the steel wires inside the core rope 1 becoming extremely slender.
  • the sheave diameter can be set to a minimum of 200 mm relative to a rope diameter of 10 mm. Consequently, extension of fatigue life or reductions in diameter of the sheaves can be achieved.
  • the diameters of all of the strands 4, 9, and 10 can be made generally equal. Consequently, the cross-sectional constructions of the core strand main body 7, the core rope strand main body, and the outer layer strand main body can be made similar to each other by adjusting the thickness of the coating bodies 8, 6, and 3, enabling manufacturing of the entire rope to be facilitated.
  • outer layer coating body 3 is disposed outermost, abrasion of the sheaves can also be prevented, enabling a degree of freedom in selecting materials for the wires of the outer layer strands 10 and the sheaves to be improved. Consequently, overall strength can be increased further and the sheaves can be configured inexpensively.
  • the outer layer coating body 3 which comes into contact with a drive sheave is constituted by a high-friction resin material, sufficient driving force transfer efficiency can be ensured even if drive sheave diameter is reduced. Consequently, it is no longer necessary to add weight to a car in order to increase friction between the elevator rope and the drive sheave, or to add guiding pulleys in order to increase contact angle of the elevator rope on the drive sheave, etc., preventing the configuration of an elevator apparatus from becoming complicated.
  • soft or hard polyurethane resins can be selected freely, but in order to ensure abrasion resistance performance against minute slippage on the surface of the sheaves, it is preferable to use hard polyurethane resins that have a hardness of 90 or more.
  • the resins be ether-based rather than ester-based.
  • flexing resistance can be reduced by selecting materials that slide freely and easily when the elevator rope is bent at the sheaves as materials for the core strand coating body 8 and the core rope coating body 6.
  • the core strand coating body 8 and the core rope coating body 6 require a hardness that can resist being crushed between the steel wires. Hard, low-friction polyethylene materials are suitable for these materials.
  • the core strand coating body 8 and the core rope coating body 6 do not require such a large coefficient of friction as the outer layer coating body 3, and since bending by the sheaves is not as great, they do not necessarily require superior stretching characteristics. Consequently, resins such as nylons, silicon, polypropylenes, or polyvinyl chloride, etc., for example, may also be used as the materials for the core strand coating body 8 and the core rope coating body 6.
  • Figure 3 is a cross section of an elevator rope according to Embodiment 2 of the present invention.
  • core rope strands 9 include: a core rope strand main body 11 that is formed by laying together a plurality of steel wires; and a resin core rope strand coating body 12 that coats the core rope strand main body 11.
  • Outer layer strands 10 include: an outer layer strand main body 13 that is formed by laying together a plurality of steel wires; and a resin outer layer strand coating body 14 that coats the outer layer strand main body 13.
  • the core rope strand coating bodies 12 and the outer layer strand coating bodies 14 are made of a similar material to that of the core strand coating body 8 and the core rope coating body 6, such as a polyethylene resin, for example.
  • the rest of the configuration is similar to that of Embodiment 1.
  • Figure 4 is a cross section of an elevator rope according to Embodiment 3 of the present invention.
  • outer layer strands 10 are constituted only by outer layer strand main bodies that are formed by laying together a plurality of steel wires.
  • Cross sections of steel wires in the outer layer strand main bodies are modified by compressing the outer layer strand main bodies from outside. The rest of the configuration is similar to that of Embodiment 2.
  • FIG. 5 is a cross section of an elevator rope according to Embodiment 4 of the present invention.
  • outer layer strands 10 are constituted only by outer layer strand main bodies that are formed by laying together a plurality of steel wires in a similar manner to Embodiment 1.
  • Cross sections of steel wires in a core strand main body 7 and core rope strand main bodies 11 are modified by compressing the strand main bodies 7 and 11 from outside. The rest of the configuration is similar to that of Embodiment 2.
  • packing density of the steel wires can also be improved because the cross sections of the steel wires in the core strand main body 7 and the core rope strand main bodies 11 are modified.
  • Figure 6 is a plan showing an elevator apparatus according to Embodiment 5 of the present invention
  • Figure 7 is a front elevation showing the elevator apparatus from Figure 6.
  • First and second car guide rails 22a and 22b and a pair of counterweight guide rails 23a and 23b are installed inside a hoistway 21.
  • a car 24 is raised and lowered inside the hoistway 21 along the car guide rails 22a and 22b.
  • a counterweight 25 is raised and lowered inside the hoistway 21 along the counterweight guide rails 23a and 23b.
  • the counterweight 25 is disposed so as to face a back surface of the car 24 when positioned level with the car 24.
  • a driving machine 26 for raising and lowering the car 24 and the counterweight 25 is installed in a lower portion inside the hoistway 21.
  • the driving machine 26 includes: a driving machine main body 27 that includes the motor; and a drive sheave 28 that is rotated by the driving machine main body 27.
  • a brake (not shown) that brakes rotation of the drive sheave 28 is also mounted internally into the driving machine 26.
  • a thin hoisting machine in which an axial dimension is less than an outside diameter dimension that is perpendicular to the axial direction is used for the driving machine 26.
  • the driving machine 26 is disposed between a side surface of the car 24 and a hoistway wall 21a that faces that side surface when viewed from above. In addition, the driving machine 26 is disposed such that a rotating shaft of the drive sheave 28 is parallel to a width direction of the car 24 and horizontal.
  • a main rope group 30 is wound around the drive sheave 28.
  • the car 24 and the counterweight 25 are suspended inside the hoistway 21 by the main rope group 30 using a one-to-one (1 : 1) roping method.
  • the main rope group 30 includes: a plurality of first elevator ropes 31; and a plurality of second elevator ropes 32.
  • Each of the elevator ropes 31 and 32 has a configuration identical to any one of Embodiments 1 through 4.
  • First and second rope connecting portions 33 and 34 are disposed on two width end portions of a lower end portion of the car 24.
  • Each of the first elevator ropes 31 includes: a first end portion that is connected to the first rope connecting portion 33; and a second end portion that is connected to an upper portion of the counterweight 25.
  • Each of the second elevator ropes 32 includes: a third end portion that is connected to the second rope connecting portion 34; and a fourth end portion that is connected to an upper portion of the counterweight 25.
  • First through third car return sheaves 35 through 37 that direct the elevator ropes 31 and 32 from the drive sheave 28 toward the car 24 and a counterweight return sheave 38 that directs the elevator ropes 31 and 32 from the drive sheave 28 toward the counterweight 25 are disposed in an upper portion inside the hoistway 21.
  • the first elevator ropes 31 are wound from the first end portions sequentially around the first car return sheave 35, the second car return sheave 36, the drive sheave 28, and the counterweight return sheave 38.
  • the second elevator ropes 32 are wound from the third end portions sequentially around the third car return sheave 37, the drive sheave 28, and the counterweight return sheave 38.
  • the first and second elevator ropes 31 and 32 are distributed from the drive sheave 28 to the second and third car return sheaves 36 and 37, which are not parallel to each other.
  • the first and second car return sheaves 35 and 36 and the counterweight return sheave 38 are disposed such that rotating shafts thereof are parallel to a depth direction of the car 24 and horizontal.
  • the third car return sheave 37 is disposed such that a rotating shaft thereof is parallel to a width direction of the car 24 and horizontal.
  • the return sheaves 35 through 38 are disposed outside a region of the car 24, i.e., disposed so as not to overlap with the car 24 when viewed from above.
  • a diameter of at least one of the return sheaves 35 through 38, in this case the first and second car return sheaves 35 and 36, is less than or equal to twenty times a diameter of the elevator ropes 31 and 32.
  • the first and second rope connecting portions 33 and 34 are disposed such that a straight line that connects them passes through a center of gravity of the car 24 or a vicinity thereof when viewed from above. Because of this, the first rope connecting portion 33 is disposed behind the first car guide rail 22a, and the second rope connecting portion 34 is disposed in front of the second car guide rail 22b. Thus, the car 24 is suspended substantially at its center of gravity.
  • diameters of the return sheaves 35 through 38 can be reduced. Specifically, the diameters of the first and second car return sheaves 35 and 36 can be reduced to approximately twenty times the diameter of the elevator ropes 31 and 32. The first and second car return sheaves 35 and 36 can thereby be disposed outside the region of the car 24 when viewed from above without enlarging the area of the hoistway 21 . Consequently, an upperportion space inside the hoistway 21 can be reduced without the car 24 interfering with the return sheaves 35 and 36 when the car 24 is moved to an uppermost portion inside the hoistway 21. Because the diameter of the drive sheave 28 can also be reduced, load torque that acts on the driving machine 26 can be reduced, enabling reductions in the size of the driving machine 26 to be achieved.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Ropes Or Cables (AREA)
EP04822549A 2004-12-08 2004-12-08 Seil für aufzug und aufzug Withdrawn EP1820765A4 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/018265 WO2006061888A1 (ja) 2004-12-08 2004-12-08 エレベータ用ロープ及びエレベータ装置

Publications (2)

Publication Number Publication Date
EP1820765A1 true EP1820765A1 (de) 2007-08-22
EP1820765A4 EP1820765A4 (de) 2011-12-28

Family

ID=36577718

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04822549A Withdrawn EP1820765A4 (de) 2004-12-08 2004-12-08 Seil für aufzug und aufzug

Country Status (4)

Country Link
EP (1) EP1820765A4 (de)
JP (1) JPWO2006061888A1 (de)
CN (1) CN1906109A (de)
WO (1) WO2006061888A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023434A1 (fr) 2006-08-25 2008-02-28 Mitsubishi Electric Corporation Câble d'ascenseur

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2149535B1 (de) * 2007-05-29 2018-03-21 Mitsubishi Electric Corporation Verfahren zur verbindung von aufzugskabeln
JP2009167545A (ja) * 2008-01-11 2009-07-30 Toshiba Elevator Co Ltd ワイヤロープ
WO2010143249A1 (ja) * 2009-06-08 2010-12-16 三菱電機株式会社 エレベータ用ロープ及びその製造方法
JP2011046462A (ja) * 2009-08-26 2011-03-10 Toshiba Elevator Co Ltd エレベータ装置およびエレベータ用ワイヤロープ
EP2511219A1 (de) * 2009-12-08 2012-10-17 Mitsubishi Electric Corporation Seil für einen aufzug
CN103079982B (zh) * 2010-09-09 2017-05-10 三菱电机株式会社 电梯用绳缆
EP2634130A1 (de) * 2010-10-27 2013-09-04 Mitsubishi Electric Corporation Seil für einen aufzug
EP2655234B1 (de) * 2010-12-22 2023-05-17 Otis Elevator Company Aufzugssystem
JP5684078B2 (ja) * 2011-09-21 2015-03-11 神鋼鋼線工業株式会社 高強度ワイヤロープ
CN103161085A (zh) * 2011-12-15 2013-06-19 康力电梯股份有限公司 一种电梯装置的缆索
BR112014014043A2 (pt) * 2012-01-05 2017-06-13 Bekaert Sa Nv cabo para elevação e elevador que compreende o cabo
JP6077941B2 (ja) * 2013-06-07 2017-02-08 株式会社日立製作所 エレベータ用ワイヤロープ
JP2016011481A (ja) * 2014-06-30 2016-01-21 神鋼鋼線工業株式会社 難自転性ワイヤロープ
CN107630374A (zh) * 2016-08-25 2018-01-26 桐乡守敬应用技术研究院有限公司 一种高强减震钢丝绳
CN106436392A (zh) * 2016-12-05 2017-02-22 江苏赛福天钢索股份有限公司 一种超高速电梯用树脂涂层金属芯钢丝绳
US12195916B2 (en) 2017-03-31 2025-01-14 Fort Wayne Metals Research Products, Llc Small diameter cable
CN107780267A (zh) * 2017-11-20 2018-03-09 江苏赛福天钢索股份有限公司 一种超高速电梯用钢丝绳
CN110004749A (zh) * 2019-04-03 2019-07-12 扬州巨神绳缆有限公司 一种聚酯基复合绳缆的制作方法

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JP2002327381A (ja) * 2001-04-25 2002-11-15 Tokyo Seiko Co Ltd ワイヤロープ
JP2003041493A (ja) * 2001-05-21 2003-02-13 Tokyo Seiko Co Ltd 多層撚りワイヤロープ
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US20040231312A1 (en) * 2002-06-27 2004-11-25 Takenobu Honda Rope for elevator and method for manufacturing the rope

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JP3724322B2 (ja) 2000-03-15 2005-12-07 株式会社日立製作所 ワイヤロープとそれを用いたエレベータ
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JPWO2004101419A1 (ja) * 2003-05-14 2006-07-13 三菱電機株式会社 エレベータ装置

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JP2002327381A (ja) * 2001-04-25 2002-11-15 Tokyo Seiko Co Ltd ワイヤロープ
JP2003041493A (ja) * 2001-05-21 2003-02-13 Tokyo Seiko Co Ltd 多層撚りワイヤロープ
US20040231312A1 (en) * 2002-06-27 2004-11-25 Takenobu Honda Rope for elevator and method for manufacturing the rope
WO2004043844A1 (ja) * 2002-11-12 2004-05-27 Mitsubishi Denki Kabushiki Kaisha エレベータ用ロープ及びエレベータ装置
WO2004080875A1 (ja) * 2003-03-10 2004-09-23 Mitsubishi Denki Kabushiki Kaisha エレベータ装置

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Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008023434A1 (fr) 2006-08-25 2008-02-28 Mitsubishi Electric Corporation Câble d'ascenseur
EP2055829A4 (de) * 2006-08-25 2013-10-02 Mitsubishi Electric Corp Aufzugskabel

Also Published As

Publication number Publication date
WO2006061888A1 (ja) 2006-06-15
EP1820765A4 (de) 2011-12-28
CN1906109A (zh) 2007-01-31
JPWO2006061888A1 (ja) 2008-06-05

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