JP2006183805A - Vリブドベルト - Google Patents
Vリブドベルト Download PDFInfo
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- JP2006183805A JP2006183805A JP2004379133A JP2004379133A JP2006183805A JP 2006183805 A JP2006183805 A JP 2006183805A JP 2004379133 A JP2004379133 A JP 2004379133A JP 2004379133 A JP2004379133 A JP 2004379133A JP 2006183805 A JP2006183805 A JP 2006183805A
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- Prior art keywords
- belt
- rubber
- ribbed belt
- carbon black
- weight
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- Granted
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Abstract
【解決手段】Vリブドベルト1は、カバー帆布5からなる伸張部2と、コードよりなる心線3を埋設した接着部4と、その下側に弾性体層である圧縮部6からなっている。この圧縮部6は、ベルト長手方向に延びる断面略三角形である台形の複数のリブを有している。そして圧縮部6は、ゴム100重量部に対して(イ)窒素吸着比表面積が70m2/g以上かつジブチルフタレート吸油量が100cm3/100g以上のカーボンブラックを20〜60重量部、(ロ)窒素吸着比表面積が70m2/g未満かつジブチルフタレート吸油量が100cm3/100g未満のカーボンブラックを15〜55重量部の割合で含有するゴム組成物で構成される。
【選択図】図1
Description
更にゴムとしてエチレン・α−オレフィンを選択することで、優れた耐オゾン性、耐熱性、耐寒性を有しているとともに比較的に安価で、脱ハロゲンという要求を満たすVリブドベルトとすることができる。
表1の配合に従いゴム組成物を調製し、カレンダーロールにて厚み1.0mmに圧延したゴムシートを作製した。このゴムシートを165°Cで30分間加硫し、得られた加硫ゴムの物性を測定した。JIS K6253に従い硬度(JIS−A)を、JIS K6251に従い切断時の伸びEB(%)を、100%伸張時の応力M100(MPa)を測定した。尚、表中のCMDとは列理直角を意味する。
2 伸張部
3 心線
4 接着部
5 カバー帆布
6 圧縮部
Claims (2)
- 伸張部とベルト周方向に延びるリブを形成した圧縮部を有し、ベルト長手方向に沿って心線を埋設したVリブドベルトであって、圧縮部が、ゴム100重量部に対して(イ)窒素吸着比表面積が70m2/g以上かつジブチルフタレート吸油量が100cm3/100g以上のカーボンブラックを20〜60重量部、(ロ)窒素吸着比表面積が70m2/g未満かつジブチルフタレート吸油量が100cm3/100g未満のカーボンブラックを15〜55重量部の割合で含有するゴム組成物で構成されることを特徴とするVリブドベルト。
- ゴムがエチレン・α−オレフィンゴムである請求項1記載のVリブドベルト。
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Cited By (7)
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WO2008078700A1 (ja) | 2006-12-22 | 2008-07-03 | Bando Chemical Industries, Ltd. | 伝動ベルト用ゴム組成物及び伝動ベルト |
WO2008102911A1 (ja) | 2007-02-23 | 2008-08-28 | Gates Unitta Asia Company | 摩擦伝動ベルト |
WO2009016797A1 (ja) | 2007-07-27 | 2009-02-05 | Bando Chemical Industries, Ltd. | 摩擦伝動ベルト及びそれを用いた自動車の補機駆動ベルト伝動装置 |
JPWO2008102911A1 (ja) * | 2007-02-23 | 2010-06-03 | ゲイツ・ユニッタ・アジア株式会社 | 摩擦伝動ベルト |
WO2014157594A1 (ja) * | 2013-03-28 | 2014-10-02 | 三ツ星ベルト株式会社 | 伝動用ベルト及びベルト変速装置 |
WO2015182499A1 (ja) * | 2014-05-26 | 2015-12-03 | 横浜ゴム株式会社 | ゴム組成物及びこれを用いるコンベヤベルト |
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JP2004347108A (ja) * | 2003-04-28 | 2004-12-09 | Mitsuboshi Belting Ltd | ローエッジvベルト |
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Patent Citations (2)
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JP2004324796A (ja) * | 2003-04-25 | 2004-11-18 | Bando Chem Ind Ltd | 摩擦伝動ベルト |
JP2004347108A (ja) * | 2003-04-28 | 2004-12-09 | Mitsuboshi Belting Ltd | ローエッジvベルト |
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