JP2012172291A5 - - Google Patents
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- JP2012172291A5 JP2012172291A5 JP2011039045A JP2011039045A JP2012172291A5 JP 2012172291 A5 JP2012172291 A5 JP 2012172291A5 JP 2011039045 A JP2011039045 A JP 2011039045A JP 2011039045 A JP2011039045 A JP 2011039045A JP 2012172291 A5 JP2012172291 A5 JP 2012172291A5
- Authority
- JP
- Japan
- Prior art keywords
- sheath
- steel cord
- filaments
- filament
- reinforcing rubber
- 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.)
- Granted
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Description
すなわち、本発明のゴム物品補強用スチールコードは、複数本のスチールフィラメントが撚り合わされてなる２層の層撚りコードの外周に、スパイラルフィラメントが巻き付けられてなるｍ＋ｎ＋１構造のゴム物品補強用スチールコードにおいて、
シースが線径の異なる２種のシースフィラメントから構成され、該２種のシースフィラメントのそれぞれが、コード周方向に等間隔で３箇所以上にて配置されており、かつ、コアの撚りピッチと該シースの撚りピッチとが異なることを特徴とするものである。
That is, the steel cord for reinforcing rubber articles of the present invention is a steel cord for reinforcing rubber articles having an m + n + 1 structure in which a spiral filament is wound around the outer periphery of a two-layer twisted cord formed by twisting a plurality of steel filaments. ,
The sheath is composed of two types of sheath filaments having different wire diameters, each of the two types of sheath filaments being arranged at three or more positions at equal intervals in the cord circumferential direction, and the core twist pitch and the The sheath has a different twist pitch.
本発明のコードにおいては、前記２種のシースフィラメントのうち、太径のものの線径をφａ、細径のものの線径をφｂとしたとき、次式、
０．６５≦φｂ／φａ＜１．０
を満足することが好ましい。また、前記シースフィラメントとスパイラルフィラメントとの撚り方向が異なることが好ましい。
In the cord of the present invention, of the two types of sheath filaments, when the wire diameter of the large one is φa and the wire diameter of the thin one is φb,
0.65 ≦ φb / φa <1.0
Is preferably satisfied. Moreover, it is preferable that the twist directions of the sheath filament and the spiral filament are different.
Claims (4)
シースが線径の異なる２種のシースフィラメントから構成され、該２種のシースフィラメントのそれぞれが、コード周方向に等間隔で３箇所以上にて配置されており、かつ、コアの撚りピッチと該シースの撚りピッチとが異なることを特徴とするゴム物品補強用スチールコード。 In a steel cord for reinforcing rubber articles having an m + n + 1 structure in which a spiral filament is wound around the outer periphery of a two-layer twisted cord formed by twisting a plurality of steel filaments,
Sheath consists of two sheath filaments having different diameter, each of the two sheath filaments are arranged at equal intervals at three or more places in the code circumferential direction, and the twist pitch of the core A steel cord for reinforcing rubber articles, characterized in that the twist pitch of the sheath is different .
０．６５≦φｂ／φａ＜１．０
を満足する請求項１記載のゴム物品補強用スチールコード。 Of the two types of sheath filaments, when the wire diameter of the large one is φa and the wire diameter of the thin one is φb,
0.65 ≦ φb / φa <1.0
The steel cord for reinforcing rubber articles according to claim 1 satisfying
前記２種のシースフィラメントのうち細径のものと前記スパイラルフィラメントとの間に、前記ゴムが入り込んでいることを特徴とするゴム−スチールコード複合体。 In the rubber-steel cord composite in which the steel cord for reinforcing rubber articles according to any one of claims 1 to 3 is coated with rubber,
A rubber-steel cord composite, wherein the rubber enters between a thin filament of the two types of sheath filaments and the spiral filament.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011039045A JP5692749B2 (en) | 2011-02-24 | 2011-02-24 | Steel cords for rubber article reinforcement and rubber-steel cord composites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011039045A JP5692749B2 (en) | 2011-02-24 | 2011-02-24 | Steel cords for rubber article reinforcement and rubber-steel cord composites |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012172291A JP2012172291A (en) | 2012-09-10 |
| JP2012172291A5 true JP2012172291A5 (en) | 2014-04-10 |
| JP5692749B2 JP5692749B2 (en) | 2015-04-01 |
Family
ID=46975475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011039045A Expired - Fee Related JP5692749B2 (en) | 2011-02-24 | 2011-02-24 | Steel cords for rubber article reinforcement and rubber-steel cord composites |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5692749B2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0663185B2 (en) * | 1985-08-12 | 1994-08-17 | 株式会社ブリヂストン | Metal cord for reinforcing rubber articles |
| JP3187601B2 (en) * | 1992-04-27 | 2001-07-11 | 株式会社ブリヂストン | Steel cord for reinforcing rubber articles and pneumatic radial tire |
| DE69303222T2 (en) * | 1992-04-27 | 1996-12-05 | Bridgestone Corp | Steel ropes for reinforcing elastomeric products and radial pneumatic tires |
| JPH0811873B2 (en) * | 1992-10-19 | 1996-02-07 | 株式会社ブリヂストン | Pneumatic radial tires |
| JP2000144587A (en) * | 1998-11-05 | 2000-05-26 | Bridgestone Corp | Steel cord and pneumatic radial tire |
| JP2010126859A (en) * | 2008-11-28 | 2010-06-10 | Bridgestone Corp | Steel cord, and pneumatic radial tire using the same |
| JP5435775B2 (en) * | 2009-04-30 | 2014-03-05 | 株式会社ブリヂストン | Steel cord and pneumatic radial tire |
-
2011
- 2011-02-24 JP JP2011039045A patent/JP5692749B2/en not_active Expired - Fee Related
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