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21.发明授权Pneumatic tire having cross belt layer reinforced with specified steel cord 失效具有交叉皮带层的气动轮胎，用特定的钢丝绳加固
公开(公告)号：US5676776A
公开(公告)日：1997-10-14
申请号：US454690
申请日：1995-05-31
Applicant: Kiyoshi Ikehara
Inventor： Kiyoshi Ikehara
CPC classification number: D07B1/0653 , B60C9/0007 , B60C9/0057 , B60C9/2006 , D07B2201/2007 , D07B2201/2008 , D07B2201/2018 , D07B2201/2023 , D07B2201/2024 , D07B2201/2039 , D07B2201/2081 , D07B2401/2025 , D07B2401/208 , D07B2501/2046 , Y10S57/902 , Y10T152/10765
Abstract: A steel cord for reinforcing rubber articles comprises one wave-form or helical core steel filament and five to eight sheath steel filaments disposed around the core steel filament, the pitch Pc of the core steel filament is 3.0 dc/0.34.ltoreq.Pc.ltoreq.10.0 dc/0.34 (dc=diameter of steel core filament) and the core forming ratio Rc=Lc/dc (Lc is an amplitude of the wave or helix of the core steel filament) is within a particular range varying depending on the number of sheath steel filaments. A pneumatic tire contains a cross-belt reinforced with the above-mentioned steel cords where i) an angle .theta. formed by the reinforcing steel cords and the equatorial plane of the tire is: 12.degree..ltoreq..theta..ltoreq.30.degree. (ii) a gap between any two adjacent steel cords in the same layer of the cross belt, I, is: 0.5 mm.ltoreq.I.ltoreq.2.0 mm (iii) a gauge of the gum between any two facing steel cords in different layers of the cross belt, G, is: 0.35 mm .ltoreq.G.ltoreq.2.0 mm.
Abstract translation: 用于加强橡胶制品的钢丝帘线包括一个波形或螺旋芯钢丝，以及设置在芯钢丝周围的五至八个护套钢丝，芯钢丝的间距Pc为3.0cd / 0.34 < = dc dc / 0.34（dc =钢芯丝的直径），芯形成比Rc = Lc / dc（Lc是芯钢丝的波长或螺旋的振幅）在特定范围内， 的鞘钢丝。 充气轮胎包含用上述钢丝绳加强的交叉皮带，其中i）由钢筋帘线形成的角度θ和轮胎的赤道平面为：12°30° ）交叉皮带I的相同层中的任何两个相邻钢丝帘线之间的间隙为：0.5mm
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22.发明授权Rubber article-reinforcing steel cords and pneumatic tires using such steel cords 失效使用这种钢丝绳的橡胶制品钢筋绳和充气轮胎
公开(公告)号：US5598693A
公开(公告)日：1997-02-04
申请号：US223130
申请日：1994-04-05
Applicant: Manabu Yanagisawa , Kiyoshi Ikehara
Inventor： Manabu Yanagisawa , Kiyoshi Ikehara
CPC classification number: D07B1/062 , B60C9/0007 , D07B2201/2018 , D07B2201/2023 , D07B2205/3057 , Y10S57/902
Abstract: A steel cord is disclosed, which has a core-sheath double layer structure having a 2+7 cord construction or a 2+8 cord construction. A twisting direction of the core is the same as that of the sheath, a forming rate Rc of filaments of the core is 103 to 120% and a forming rate Rs of filaments of the sheath is 102 to 115%. A pneumatic radial tire using such steel cords in a belt layer is also disclosed.
Abstract translation: 公开了一种钢帘线，其具有具有2 + 7帘线结构或2 + 8帘线结构的芯鞘双层结构。 芯的扭转方向与护套的扭转方向相同，芯的长丝的成形速度Rc为103〜120％，护套的长丝的成形速度Rs为102〜115％。 还公开了一种在带束层中使用这种钢丝帘线的充气子午线轮胎。
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公开(公告)号：US5396942A
公开(公告)日：1995-03-14
申请号：US138056
申请日：1993-10-19
Applicant: Kiyoshi Ikehara , Kiyohito Kawasaki
Inventor： Kiyoshi Ikehara , Kiyohito Kawasaki
CPC classification number: D07B1/062 , B60C9/0007 , B60C9/2006 , D07B2201/2018 , D07B2201/2023 , Y10S57/902 , Y10T152/10765
Abstract: A pneumatic radial tire for truck and bus comprises a carcass ply containing cords arranged substantially in a radial direction of the tire and a belt superimposed about said carcass ply and comprised of plural belt layers each containing steel cords arranged at a cord angle of 5.degree.-20.degree. with respect to an equator of the tire. In this case, the steel cord for the belt layer has a two-layer structure of a core comprised of two steel filaments and a single sheath comprised of 6-8 steel filaments and satisfies the particularly relationships on filament diameter, twisting pitch, bending rigidity, tensile strength and distance between adjoining cords.
Abstract translation: 一种用于卡车和公共汽车的充气子午线轮胎包括：胎体帘布层，其包含基本上沿着轮胎的径向布置的绳索和围绕所述胎体帘布层叠置的带，并且包括多个带层，每个带层包含以5°的帘线角度排列的钢丝帘线， 20°相对于轮胎的赤道。 在这种情况下，用于带束层的钢丝绳具有由两根钢丝组成的芯部和由6-8根钢丝组成的单个护套的双层结构，并且在长丝直径，捻度，弯曲刚度方面具有特别的关系 ，拉伸强度和相邻帘线之间的距离。
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公开(公告)号：US5311917A
公开(公告)日：1994-05-17
申请号：US525353
申请日：1990-05-18
Applicant: Kiyoshi Ikehara , Kiyohito Kawasaki
Inventor： Kiyoshi Ikehara , Kiyohito Kawasaki
CPC classification number: D07B1/062 , B60C9/0007 , B60C9/2006 , D07B2201/2018 , D07B2201/2023 , Y10S57/902 , Y10T152/10765
Abstract: A pneumatic radial tire for truck and bus comprises a carcass ply containing cords arranged substantially in a radial direction of the tire and a belt superimposed about said carcass ply and comprised of plural belt layers each containing steel cords arranged at a cord angle of 5.degree.-20.degree. with respect to an equator of the tire. In this case, the steel cord for the belt layer has a two-layer structure of a core comprised of two steel filaments and a single sheath comprised of 6-8 steel filaments and satisfies the particularly relationships on filament diameter, twisting pitch, bending rigidity, tensile strength and distance between adjoining cords.
Abstract translation: 一种用于卡车和公共汽车的充气子午线轮胎包括：胎体帘布层，其包含基本上沿着轮胎的径向布置的绳索和围绕所述胎体帘布层叠置的带，并且包括多个带层，每个带层包含以5°的帘线角度排列的钢丝帘线， 20°相对于轮胎的赤道。 在这种情况下，用于带束层的钢丝绳具有由两根钢丝组成的芯部和由6-8根钢丝组成的单个护套的双层结构，并且在长丝直径，捻度，弯曲刚度方面具有特别的关系 ，拉伸强度和相邻帘线之间的距离。
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