WO2016002431A1 - スチールコードおよびコンベヤベルト - Google Patents
スチールコードおよびコンベヤベルト Download PDFInfo
- Publication number
- WO2016002431A1 WO2016002431A1 PCT/JP2015/066305 JP2015066305W WO2016002431A1 WO 2016002431 A1 WO2016002431 A1 WO 2016002431A1 JP 2015066305 W JP2015066305 W JP 2015066305W WO 2016002431 A1 WO2016002431 A1 WO 2016002431A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steel cord
- strand
- strands
- rubber
- lubricant
- 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.)
- Ceased
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
- B65G15/34—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric
- B65G15/36—Belts or like endless load-carriers made of rubber or plastics with reinforcing layers, e.g. of fabric the layers incorporating ropes, chains, or rolled steel sections
-
- 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
- D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
- D07B1/141—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases
- D07B1/144—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising liquid, pasty or powder agents, e.g. lubricants or anti-corrosive oils or greases for cables or cable components built-up from metal wires
-
- 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
-
- 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
- D07B1/0646—Reinforcing cords for rubber or plastic articles comprising longitudinally preformed wires
-
- 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
- D07B1/0646—Reinforcing cords for rubber or plastic articles comprising longitudinally preformed wires
- D07B1/0653—Reinforcing cords for rubber or plastic articles comprising longitudinally preformed wires in 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
- D07B2201/2046—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
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2055—Cores characterised by their structure comprising filaments or fibers
- D07B2201/2058—Cores characterised by their structure comprising filaments or fibers 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
- D07B2201/2047—Cores
- D07B2201/2052—Cores characterised by their structure
- D07B2201/2059—Cores characterised by their structure comprising wires
- D07B2201/2062—Cores characterised by their structure comprising wires comprising fillers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/50—Lubricants
- D07B2205/502—Oils
-
- 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
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2076—Power transmissions
Definitions
- the present invention relates to a steel cord and a conveyor belt that are used while being embedded in a rubber product. More specifically, the present invention relates to a steel cord that can reduce hysteresis loss that occurs during use of a rubber product caused by the embedded steel cord and The steel cord relates to a conveyor belt embedded as a core.
- steel cords with twisted steel wires are used as reinforcing materials.
- a steel cord having a strand structure in which a plurality of side strands are twisted on the outer peripheral surface of a core strand is used (for example, see Patent Document 1).
- a reinforcing layer formed by arranging a large number of steel cords is embedded in an unvulcanized rubber member to form a molded body, and then this molded body is predetermined in a vulcanization process.
- the unvulcanized rubber is vulcanized by applying a predetermined pressure while heating at a temperature. Thereby, the rubber product in which the steel cord reinforcing layer is embedded is completed.
- the inventors of the present application have created the present invention that can reduce hysteresis loss that occurs during use of rubber products due to steel cords embedded by conducting various studies based on the above-described knowledge. .
- An object of the present invention is to provide a steel cord that can reduce hysteresis loss caused during use of a rubber product due to an embedded steel cord and a conveyor belt in which the steel cord is embedded as a core. .
- a steel cord of the present invention has a strand structure in which a plurality of side strands are twisted on the outer peripheral surface of a core strand, and is used in a rubber reinforcing steel cord embedded in a rubber product. A lubricant is filled between the strands constituting the core strand.
- a large number of the above-described steel cords are arranged side by side as cores, and the unvulcanized upper cover rubber and lower cover rubber disposed with the cores sandwiched between the upper and lower sides are vulcanized. It is characterized by being manufactured.
- the lubricant is filled between the strands constituting the core strand, the strands constituting the core strand are not used when the rubber product in which the steel cord is embedded is used. Slides very smoothly. Therefore, it is possible to reduce the hysteresis loss of the rubber product due to the slip resistance between the strands. Since the core strand is disposed at the center of the steel cord, it can be avoided that the lubricant adversely affects the adhesion between the rubber of the rubber product in which the steel cord is embedded and the steel cord.
- the conveyor belt of the present invention since a large number of the above-described steel cords are arranged side by side as a core body, hysteresis loss during operation of the conveyor belt is reduced, and power required for operation can be suppressed. . That is, since the conveyor belt can be operated with less electric power than in the past, it greatly contributes to the reduction of energy consumption.
- FIG. 1 is a cross-sectional view illustrating a steel cord of the present invention.
- FIG. 2 is a perspective view illustrating the steel cord of FIG.
- FIG. 3 is a cross-sectional view illustrating another embodiment of the steel cord of the present invention.
- FIG. 4 is a cross-sectional view illustrating still another embodiment of the steel cord of the present invention.
- FIG. 5 is a cross-sectional view of the conveyor belt of the present invention.
- FIG. 6 is a plan view of the conveyor belt of FIG.
- the steel cord 1 of the present invention illustrated in FIGS. 1 and 2 is a steel cord 1 for rubber reinforcement used by being embedded in a rubber product.
- the steel cord 1 has a strand structure in which a plurality of side strands 3 are twisted around the outer peripheral surface of the core strand 2, and is a so-called 7 ⁇ 7 structure.
- the steel cord 1 is formed by twisting six side strands 3 on the outer periphery of one core strand 2.
- the core strand 2 is formed by twisting six strands 2a around one central strand 2a.
- the side strand 3 is formed by twisting six strands 3a around one central strand 3a.
- the strands 2a and 3a are steel wires.
- the twist direction of the strand 2a constituting the core strand 2 is:
- the twist direction is the same.
- the outer diameter of each of the strands 2a and 3a is about 0.2 mm to 1.0 mm.
- the lubricant 8 is filled between the strands 2 a constituting the core strand 2.
- the lubricant 8 is not filled to the surface of the strand 2a but is filled so as to fill the space between the strands 2a.
- the lubricant 8 is filled, when the rubber cord in which the steel cord 1 is embedded is used, for example, when the steel cord 1 is bent, the strands 2a slide very smoothly. Therefore, the hysteresis loss of the rubber product due to the slip resistance between the strands 2a can be reduced. Moreover, since the core strand 2 is arrange
- an aroma oil can be used as the lubricant 8. It is preferable to use the same type of oil as the oil blended in the rubber of the rubber product in which the steel cord 1 is embedded. When such oil is used as the lubricant 8, it is difficult to adversely affect the adhesion between the steel cord 1 and the rubber of the rubber product.
- the kinematic viscosity at 100 ° C. of the lubricant 8 is calculated from the measurement by the kinematic viscosity test method specified in JIS K2283: 2000, and is preferably, for example, 54.0 mm 2 / s to 64.0 mm 2 / s.
- the lubricant 8 is easily dissipated, and when it exceeds 64.0 mm 2 / s, it is disadvantageous to sufficiently reduce the sliding resistance between the strands 2a.
- An appropriate filling amount (immersion amount) of the lubricant 8 with respect to the steel cord 1 is, for example, 1 g / cm 3 or more.
- the upper limit of the filling amount is, for example, 2 g / cm 3 .
- the specification can be such that the outer periphery of the core strand 2 is covered with the adhesive layer 9.
- the adhesive layer 9 an unvulcanized adhesive rubber sheet can be used.
- the adhesive layer 9 prevents the filled lubricant 8 from being dissipated. Therefore, it is advantageous to ensure the effect of the lubricant 8 over a long period of time. It is also advantageous to prevent the lubricant 8 from adversely affecting the adhesion between the steel cord 1 and the rubber of the rubber product.
- the lubricant 8 is filled only between the strands 2 a constituting the core strand 2, and at least one side strand 3 among the plurality of side strands 3 is configured. It can also be set as the specification with which the lubricant 8 is filled between the strands 3a to perform. Thereby, since the hysteresis loss of the rubber product resulting from the sliding resistance between the strands 3a can be reduced, the hysteresis loss can be further reduced. As in the embodiment of the steel cord 1 illustrated in FIG. 4, the specification may be such that the lubricant 8 is filled between the strands 3 a constituting all the side strands 3.
- the outer periphery of the strands 2 and 3 filled with the lubricant 8 between the strands 2 a and 3 a is covered with the adhesive layer 9, but the adhesive layer 9 is omitted. It can also be a specification. However, it is preferable to provide the adhesive layer 9 to prevent the filled lubricant 8 from being dissipated.
- the steel cord 1 of the present invention is not limited to a 7 ⁇ 7 structure, but may be a strand structure.
- a 7 ⁇ 19 structure, a 19 + 7 ⁇ 7 structure, a 7 ⁇ W (19) structure, or the like may be employed.
- the twist direction of the strand 2a, the twist direction of the strand 3a, and the twist direction of the side strand 3 are not limited to the same direction, but can be different directions, and each can be set to any twist direction. .
- the slip resistance between the strands 2a (3a) is reduced, so the molding rate of these strands 2a and 3b is It is preferably 85% or more.
- the molding rate is calculated by a ratio obtained by dividing the size (wave height) of the spiral molding of the strand by the diameter of the strand.
- a large number of steel cords 1 of the present invention are embedded as cores 4 in a side-by-side state.
- a large number of steel cords 1 are embedded between the upper cover rubber 5 and the lower cover rubber 6 in a state of being aligned in the longitudinal direction of the conveyor belt 7. That is, between the upper cover rubber 5 and the lower cover rubber 6, a large number of steel cords 1 serving as the core body 4 are arranged at predetermined intervals in the belt width direction.
- an adhesive rubber is interposed between the layers of the core body 4 formed by aligning the steel cords 1, the upper cover rubber 5 and the lower cover rubber 6, and between the core bodies 4. Is done.
- the core body 4 is sandwiched between the upper cover rubber 5 and the lower cover rubber 6 in an unvulcanized state and vulcanized, whereby the conveyor belt 7 is manufactured.
- Examples of rubber products in which the steel cord 1 of the present invention is embedded are not limited to the conveyor belt 7, and examples include various rubber products in which the steel cord 1 is embedded as a reinforcing material, such as tires, rubber hoses, marine hoses, and fenders. it can.
- the filling amount (immersion amount) of each lubricant was 1 g / cm 3 or more and 2 g / cm 3 or less with respect to the steel cord 1. Thereafter, a sample of each steel cord was taken out from the vulcanized rubber, and a hysteresis loss was measured when a predetermined bending test was performed using a sample of a certain length. The measurement results are shown in Table 1. In Table 1, the twist direction of the strands constituting the strands, the twist direction of the strands constituting the side strands, and the twist direction of the side strands twisted on the outer peripheral surface of the core strand are the same twist direction. Although the measurement result of the steel cord of the specification is shown, the measurement result was substantially the same for various specifications in which the twist directions were arbitrarily changed.
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Belt Conveyors (AREA)
- Ropes Or Cables (AREA)
Abstract
Description
コード従来例のヒステリシスロスを基準の100として指数評価した。数値が小さい程、ヒステリシスロスが小さいことを示している。
2 芯ストランド
2a 素線
3 側ストランド
3a 素線
4 心体
5 上カバーゴム
6 下カバーゴム
7 コンベヤベルト(ゴム製品)
8 潤滑剤
9 接着層
Claims (6)
- 芯ストランドの外周面に複数本の側ストランドを撚り合わせたストランド構造を有し、ゴム製品に埋設されて使用されるゴム補強用のスチールコードにおいて、
前記芯ストランドを構成する素線の間に潤滑剤が充填されていることを特徴とするスチールコード。 - 前記複数本の側ストランドのうち、少なくとも1本の側ストランドを構成する素線の間に潤滑剤が充填されている請求項1に記載のスチールコード。
- 前記潤滑剤が素線の間に充填されているストランドの外周が接着層により被覆されている請求項1または2に記載のスチールコード。
- 前記芯ストランドおよび前記側ストランドを構成する素線の型付け率が85%以上である請求項1~3のいずれかに記載のスチールコード。
- 前記潤滑剤の100℃時の動粘度が54.0mm2/s以上64.0mm2/s以下である請求項1~4のいずれかに記載のスチールコード。
- 請求項1~5のいずれかに記載のスチールコードが、多数本横並び状態で心体として埋設され、この心体を上下に挟んで配置された未加硫の上カバーゴムおよび下カバーゴムが加硫されて製造されたことを特徴とするコンベヤベルト。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112015003064.6T DE112015003064B4 (de) | 2014-06-30 | 2015-06-05 | Stahlcord und Förderband |
| CN201580018755.7A CN106170592B (zh) | 2014-06-30 | 2015-06-05 | 钢帘线及传送带 |
| RU2016143997A RU2631645C1 (ru) | 2014-06-30 | 2015-06-05 | Стальной корд и транспортерная лента |
| US15/323,003 US9828181B2 (en) | 2014-06-30 | 2015-06-05 | Steel cord and conveyor belt |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-133473 | 2014-06-30 | ||
| JP2014133473A JP5811240B1 (ja) | 2014-06-30 | 2014-06-30 | スチールコードおよびコンベヤベルト |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016002431A1 true WO2016002431A1 (ja) | 2016-01-07 |
Family
ID=54550489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/066305 Ceased WO2016002431A1 (ja) | 2014-06-30 | 2015-06-05 | スチールコードおよびコンベヤベルト |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9828181B2 (ja) |
| JP (1) | JP5811240B1 (ja) |
| CN (1) | CN106170592B (ja) |
| DE (1) | DE112015003064B4 (ja) |
| RU (1) | RU2631645C1 (ja) |
| WO (1) | WO2016002431A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11427959B2 (en) * | 2015-12-21 | 2022-08-30 | Nippon Sheet Glass Company, Limited | Rubber-reinforcing cord and rubber product using same |
| KR20200099147A (ko) | 2017-12-25 | 2020-08-21 | 엔브이 베카에르트 에스에이 | 스틸 코드 |
| JP7417039B2 (ja) * | 2019-09-26 | 2024-01-18 | 横浜ゴム株式会社 | スチールコードおよびその製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57121682A (en) * | 1980-12-15 | 1982-07-29 | Amsted Ind Inc | Wire rope |
| JPS57172098U (ja) * | 1981-04-20 | 1982-10-29 | ||
| JPS6234547B2 (ja) * | 1978-06-02 | 1987-07-28 | Konchinentaru Gumi Ueruke Ag |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776293A (en) * | 1967-08-29 | 1973-12-04 | Owens Corning Fiberglass Corp | Reinforcement for tires |
| US3824777A (en) * | 1973-10-05 | 1974-07-23 | Amsted Ind Inc | Lubricated plastic impregnated wire rope |
| JPS57172098A (en) | 1981-04-16 | 1982-10-22 | Ishikawajima Harima Heavy Ind | Shield excavating machine |
| CN2156206Y (zh) * | 1993-06-11 | 1994-02-16 | 王海平 | 六方形十二股防扭防腐钢丝绳 |
| ES2150526T3 (es) * | 1994-02-24 | 2000-12-01 | Bridgestone Corp | Hilos de acero para el refuerzo de articulos de caucho y cubiertas neumaticas radiales utilizando dichos hilos. |
| CN1046333C (zh) * | 1995-04-03 | 1999-11-10 | 菊花株式会社 | 钢丝绳 |
| DE19523256A1 (de) * | 1995-06-27 | 1997-01-02 | Continental Ag | Gummiartikel mit einer Verstärkung aus gegen Korrosion zu schützenden Seilen |
| CN2299886Y (zh) * | 1997-08-29 | 1998-12-09 | 北京市建筑工程研究院 | 芯内涂油的无粘结预应力钢绞线 |
| JP4450452B2 (ja) * | 1999-06-30 | 2010-04-14 | 株式会社ブリヂストン | ゴム物品補強用スチールコード |
| CA2298945C (en) * | 2000-02-18 | 2004-11-02 | Wire Rope Industries Ltd. - Industries De Cables D'acier Ltee | Wire rope with reverse jacketed iwrc |
| US6651716B1 (en) * | 2000-02-23 | 2003-11-25 | The Goodyear Tire & Rubber Company | Method and tire adapted for post cure tire uniformity correction |
| JP2005248374A (ja) * | 2004-03-04 | 2005-09-15 | Bridgestone Corp | ゴム物品補強用スチールコード及びそれを用いた空気入りタイヤ |
| FR2870264B1 (fr) * | 2004-05-12 | 2006-07-14 | Michelin Soc Tech | Cable metallique pour pneumatique |
| US7162858B2 (en) * | 2005-05-20 | 2007-01-16 | Teleflex Incorporated | Push-pull cable and method of manufacturing thereof |
| JP2007023400A (ja) * | 2005-07-13 | 2007-02-01 | Yokohama Rubber Co Ltd:The | ゴム物品補強用スチールコード及びこれを用いた空気入りタイヤ |
| JP5083943B2 (ja) * | 2007-04-03 | 2012-11-28 | 株式会社ブリヂストン | ゴム物品補強用スチールコードおよびそれを用いた空気入りタイヤ |
| FR2925922B1 (fr) * | 2007-12-28 | 2009-12-18 | Soc Tech Michelin | Cable a couches pour ceinture de pneumatique |
| CH699751A1 (de) * | 2008-10-30 | 2010-04-30 | Brugg Drahtseil Ag | Seilschmiermittel. |
| FR2943691B1 (fr) * | 2009-03-31 | 2011-08-19 | Michelin Soc Tech | Procede et dispositif de fabrication d'un cable a trois couches du type gomme in situ |
| 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. |
| 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 |
| FR2962456B1 (fr) * | 2010-05-20 | 2012-09-21 | Michelin Soc Tech | Procede de fabrication d'un cable metallique multicouches gomme in situ par un elastomere thermoplastique insature |
| JP5625604B2 (ja) * | 2010-08-11 | 2014-11-19 | 横浜ゴム株式会社 | ゴム補強用スチールコード |
| JP5835165B2 (ja) | 2012-09-07 | 2015-12-24 | 横浜ゴム株式会社 | スチールコードおよびゴム製品の製造方法 |
| CN103663057B (zh) * | 2013-12-19 | 2016-08-17 | 永大电梯设备(中国)有限公司 | 一种电梯用拉伸绳索 |
-
2014
- 2014-06-30 JP JP2014133473A patent/JP5811240B1/ja not_active Expired - Fee Related
-
2015
- 2015-06-05 RU RU2016143997A patent/RU2631645C1/ru not_active IP Right Cessation
- 2015-06-05 WO PCT/JP2015/066305 patent/WO2016002431A1/ja not_active Ceased
- 2015-06-05 US US15/323,003 patent/US9828181B2/en not_active Expired - Fee Related
- 2015-06-05 CN CN201580018755.7A patent/CN106170592B/zh not_active Expired - Fee Related
- 2015-06-05 DE DE112015003064.6T patent/DE112015003064B4/de not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6234547B2 (ja) * | 1978-06-02 | 1987-07-28 | Konchinentaru Gumi Ueruke Ag | |
| JPS57121682A (en) * | 1980-12-15 | 1982-07-29 | Amsted Ind Inc | Wire rope |
| JPS57172098U (ja) * | 1981-04-20 | 1982-10-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9828181B2 (en) | 2017-11-28 |
| RU2631645C1 (ru) | 2017-09-25 |
| DE112015003064B4 (de) | 2020-02-06 |
| US20170144838A1 (en) | 2017-05-25 |
| JP5811240B1 (ja) | 2015-11-11 |
| DE112015003064T5 (de) | 2017-03-23 |
| JP2016011476A (ja) | 2016-01-21 |
| CN106170592A (zh) | 2016-11-30 |
| CN106170592B (zh) | 2018-04-13 |
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