公开(公告)号：US5151142A

公开(公告)日：1992-09-29

申请号：US290827

申请日：1988-12-22

申请人： Isamu Imai ,  Toshihiro Yotsumoto ,  Norio Inada ,  Shigeyuki Toki ,  Maki Sato ,  Ichiro Wada

发明人： Isamu Imai ,  Toshihiro Yotsumoto ,  Norio Inada ,  Shigeyuki Toki ,  Maki Sato ,  Ichiro Wada

IPC分类号： B60C9/00

CPC分类号： B60C9/0042 ,  B60C2200/02 ,  Y10S156/91

摘要： Rubber-reinforcing fiber cords are disclosed which are constituted by at least one kind of fibers selected from a group consisting of aromatic polyamide fibers, entire aromatic polyester fibers and polyvinylalcohol fibers having a tenacity of not less than 15 g/d. Spaces among filaments constituting the cord are each impreganted with a rubbery material. Radial tires are also disclosed which each comprise at least one pair of bead wires, at least one carcass ply cord layer and at least one belt ply cord layer. Carcass ply cords and/or belt ply cords are constituted by the above rubber-reinforcing fiber cords.

摘要翻译： 公开了由选自芳族聚酰胺纤维，全部芳族聚酯纤维和强度不小于15g / d的聚乙烯醇纤维中的至少一种纤维构成的橡胶增强纤维帘线。 构成绳索的长丝之间的空隙各自被橡胶材料注入。 还公开了径向轮胎，其分别包括至少一对胎圈丝，至少一个胎体帘布层帘线层和至少一个带束帘布层层。 胎体帘布层帘线和/或带束帘线由上述橡胶增强纤维帘线构成。

公开(公告)号：US4807682A

公开(公告)日：1989-02-28

申请号：US931824

申请日：1986-11-18

申请人： Isamu Imai ,  Norio Inada

发明人： Isamu Imai ,  Norio Inada

IPC分类号： D02G3/02 ,  B60C9/00 ,  B60C9/08 ,  B60C19/00 ,  D02G3/48

CPC分类号： B60C9/0042 ,  B60C9/08 ,  B60C2200/02 ,  Y10T152/10873

摘要： A heavy duty pneumatic radial tire for use under a high speed and a high internal pressure, is disclosed, which comprises a plurality of carcass cord layers of which cords are arranged at an angle from 90.degree. to 75.degree. with respect to a circumferential direction of the tire. The cords are composed of fibers of an aromatic polyamide having not less than 80 mole % of a repeating unit expressed by the following formula: --NH--Ar.sub.1 --NHCO--Ar.sub.2 --CO-- in which Ar.sub.1 and Ar.sub.2 denote at least one kind of an aromatic residue selected from: ##STR1## Elongation E.sub.n (%) of the aromatic polyamide fibers constituting the respective plies meets the following inequation:E.sub.n-1 +0.2.ltoreq.E.sub.n .ltoreq.E.sub.n-1 +2.0in which E.sub.n is an elongation (%) of the n-th layer of the carcass cord layers, provided that the carcass cord layers are taken as 1st ply, 2nd ply, 3rd ply, . . . , n-th ply from the inner liner side in which n is an integer of 2 or more, and E.sub.1 may take any arbitrary value.

摘要翻译： 公开了一种在高速和高内压下使用的重型充气子午线轮胎，其包括多个胎体帘线层，其帘线相对于圆周方向成90°至75°的角度布置 轮胎。 帘线由具有不少于80摩尔％的由下式表示的重复单元的芳族聚酰胺纤维组成：-NH-Ar1-NHCO-Ar2-CO-，其中Ar1和Ar2表示至少一种 构成各层的芳族聚酰胺纤维的伸长率En（％）满足以下不等式：En-1 + 0.2

公开(公告)号：US4261403A

公开(公告)日：1981-04-14

申请号：US76536

申请日：1979-09-18

申请人： Isamu Imai ,  Junichi Ohtsuka

发明人： Isamu Imai ,  Junichi Ohtsuka

IPC分类号： C08L7/00 ,  B60C1/00 ,  B60C9/18 ,  B60C11/00 ,  C08L21/00

CPC分类号： B60C1/0016 ,  B60C9/18 ,  Y10T152/1081

摘要： Radial tires having improved irregular wear resistance, which are reinforced with a belt cord layer and a carcass cord layer, characterized in that as the embedding rubber of the belt cord layer, use is made of natural rubber, polyisoprene rubber or a blend rubber consisting of said rubber and less than 30 parts by weight of at least one of polybutadiene rubber and styrene-butadiene copolymer rubber and that for the ground contact area of the tread of tire, a rubber composition consisting of 100 parts by weight of styrene-butadiene copolymer rubber having a viscosity average molecular weight of not less than 2.times.10.sup.5 or a blend rubber consisting of more than 50 parts by weight of said copolymer rubber and at least one of natural rubber, polyisoprene rubber and polybutadiene rubber, 5-60 parts by weight of at least one of a liquid styrene-butadiene copolymer, a liquid polyisoprene polymer and a liquid polybutadiene polymer having a viscosity average molecular weight of 5.times.10.sup.3 -7.times.10.sup.4, and 40-90 parts by weight of a carbon black, is used.

摘要翻译： 具有改进的不均匀耐磨性的径向轮胎，其被带帘线层和胎体帘线层增强，其特征在于，作为带帘线层的包埋橡胶，使用天然橡胶，聚异戊二烯橡胶或由 所述橡胶和少于30重量份的聚丁二烯橡胶和苯乙烯 - 丁二烯共聚物橡胶中的至少一种和用于轮胎胎面的接地面积的橡胶组合物由100重量份的苯乙烯 - 丁二烯共聚物橡胶 粘均分子量不小于2×105或由大于50重量份所述共聚物橡胶和至少一种天然橡胶，聚异戊二烯橡胶和聚丁二烯橡胶组成的共混橡胶，至少为5-60重量份 液体苯乙烯 - 丁二烯共聚物，液体聚异戊二烯聚合物和粘均分子量为5×103-3×104的液体聚丁二烯聚合物之一， 使用90重量份的炭黑。

公开(公告)号：US4887655A

公开(公告)日：1989-12-19

申请号：US46363

申请日：1987-05-06

申请人： Isamu Imai ,  Norio Inada

发明人： Isamu Imai ,  Norio Inada

IPC分类号： B60C9/08 ,  B60C9/18 ,  B60C9/20 ,  B60C9/22 ,  B60C15/00 ,  B60C15/04 ,  B60C15/06 ,  B60C19/00

CPC分类号： B60C15/0072 ,  B60C15/04 ,  B60C9/2009 ,  B60C9/22 ,  B60C2200/02

摘要： A heavy duty-high pressure pneumatic radial tires are disclosed, which each comprise a main reinforcement consisting of a carcass having an up-and-down type toroid radial construction in which a plurality of plies composed of fiber cords arranged in parallel with one another are turned up around a pair of bead cords on the right and left or the tire while the cords are arranged at angles substnatially along radial planes of the tire, at least one ply including a ply to be brought into direct contact with the bead cords being turned up around each of the bead cores from the inside to the outside of the tire and at least one remaining ply being laminated upon the outer side of the turn-up portion formed by the turn-up end portion of said at least one ply, and a belt which surrounds a crown portion of the carcass and is composed of a plurality of layers of parallel organic fiber cords having at least 150 g/d or an initial modulus higher than that of the cords of the carcass while at least one belt layer is laminated at an cord-arranged angle near substantially 0.degree. with respect to the crown circumference. The plies of the carcass are composed of organic fiber cords having a thermal shrinkage of not less than 1.0% and not more than 10% at 177.degree. C.

摘要翻译： 公开了一种重负荷高压气动子午线轮胎，其分别包括由具有上下方式的环形径向结构的胎体组成的主加强件，其中由彼此平行布置的纤维帘线构成的多个帘布层是 绕着一对在右和左或者轮胎上的胎圈帘线卷起，同时帘线沿着轮胎的径向平面排列成角度，至少一个帘布层包括与胎圈帘线直接接触的帘布层， 围绕每个胎圈芯从轮胎的内部到外部，并且至少一个剩余的层叠在由所述至少一个帘布层的折叠端部形成的折弯部分的外侧上;以及 围绕胎体的胎冠部分的带，其由具有至少150g / d的平行有机纤维帘线的多层或比胎体帘线的初始模数高的多层构成，而至少 一个带束层以相对于冠部圆周基本上为0°的线排列角层压。 胎体帘布层由177℃下的热收缩率为1.0％以上10％以下的有机纤维帘线构成。

公开(公告)号：US4787200A

公开(公告)日：1988-11-29

申请号：US62982

申请日：1987-06-17

申请人： Norio Inada ,  Isamu Imai

发明人： Norio Inada ,  Isamu Imai

IPC分类号： D02G3/28 ,  D02G3/40 ,  D02G3/48

CPC分类号： D02G3/40 ,  D02G3/28 ,  D02G3/48 ,  D10B2331/021 ,  Y10S57/902

摘要： Rubber-reinforcing polyamide fiber cords are disclosed which are each obtained by primarily twisting an aromatic polyamide filament yarn, doubling a plurality of thus primarily twisted yarns and finally twisting doubled yarns in a twisting direction opposite to that of the primary twist yarn to obtain a plied yarn, and applying a rubber adhesive to the thus obtained plied yarn. N and M satisfy the following relation: 1.05.ltoreq.M/N.ltoreq.1.6 in which N and M are the number of primary twists and the number of the twists in the cord, respectively.

摘要翻译： 公开了橡胶增强聚酰胺纤维帘线，其通过主要扭转芳族聚酰胺长丝纱线，将多个这样的主捻纱加倍，最后在与一次捻纱线相反的扭转方向上扭转双纱，从而获得绒毛 纱线，并将橡胶粘合剂施加到如此获得的合股纱线上。 N和M分别满足以下关系：1.05

公开(公告)号：US4628978A

公开(公告)日：1986-12-16

申请号：US700344

申请日：1985-02-13

申请人： Isamu Imai ,  Kazuo Oshima ,  Norio Inada

发明人： Isamu Imai ,  Kazuo Oshima ,  Norio Inada

IPC分类号： B29C35/16 ,  B29K21/00 ,  B29L30/00 ,  B60C9/00 ,  B60C9/08 ,  D01F6/62 ,  D02G3/48 ,  B29C71/00

CPC分类号： B60C9/0042 ,  B60C9/08 ,  D02G3/48 ,  D10B2331/04

摘要： A pneumatic radial tire having a high durability is disclosed, which comprises a carcass composed of at least one ply containing polyester fiber cords embedded in rubber. This polyester fiber cord has particular fiber properties and cord properties. Among the cord properties, the elongation under a tension of 2 g/D of the cord after the specific post-cure inflation treatment is not more than 4.5% and the sum of the elongation and heat shrinkage is not more than 8.0%.

摘要翻译： 公开了一种具有高耐久性的充气子午线轮胎，其包括由至少一层包含嵌入橡胶中的聚酯纤维帘线构成的胎体。 该聚酯纤维帘线具有特定的纤维性能和帘线性能。 在帘线性质中，在特定的后固化充气处理之后帘线的2g / D的张力下的伸长率不大于4.5％，伸长率和热收缩率的总和不超过8.0％。

公开(公告)号：US4751952A

公开(公告)日：1988-06-21

申请号：US849335

申请日：1986-04-08

申请人： Isamu Imai

发明人： Isamu Imai

IPC分类号： B60C9/00 ,  B60C9/08 ,  B60C9/20 ,  B60C9/18 ,  B60C9/06

CPC分类号： B60C9/20 ,  B60C9/0042 ,  B60C9/08 ,  Y10S57/902 ,  Y10T152/1081

摘要： A pneumatic tire comprises an annular tread at a central portion, a pair of side wall portions, bead portions, a carcass extending between both bead wires, and a breaker composed of two or more cord layers with cords arranged at a cord angle of 5-60.degree. relative to the circumferential direction and between the tread and the carcass and intersecting in the adjacent plies. The cords constituting the carcass or the breaker are substantially made of polytetramethylene adipamide (4,6-nylon), and as buried in a rubber of the tire, have the following characteristics:5.0(%).ltoreq.E.sub.2 .ltoreq.9.0(%)E.sub.2 +.DELTA.S.ltoreq.13.0(%)where E.sub.2 is an elongation (%) at 2.0 g/d, and .DELTA.S is a heat shrinkability (%) when measured in the state that the cords are left at 177.degree. C. under application of load of 20 g/cord for 30 minutes and kept as it is. The burying rubber has the following characteristics:20 kg/cm.sup.2 .ltoreq.M.sub.100(%) .ltoreq.60 kg/cm.sup.2where M.sub.100 % is a stress at 100% elongation of the rubber.

摘要翻译： 充气轮胎包括在中心部分处的环形胎面，一对侧壁部分，胎圈部分，在两个胎圈丝之间延伸的胎体，​​以及由两个或更多个帘线层组成的断路器，帘线帘布层以5- 相对于圆周方向和胎面与胎体之间相差60°，并且在相邻的层中相交。 构成胎体或断路器的帘线基本上由聚四亚甲基己二酰胺（4,6-尼龙）制成，并且被埋在轮胎的橡胶中，具有以下特性：5.0（％）

公开(公告)号：US4708185A

公开(公告)日：1987-11-24

申请号：US917285

申请日：1986-10-09

申请人： Isamu Imai ,  Kazuo Oshima ,  Kenichi Tanaka ,  Norio Inada

发明人： Isamu Imai ,  Kazuo Oshima ,  Kenichi Tanaka ,  Norio Inada

IPC分类号： B60C3/00 ,  B60C3/04 ,  B60C9/00 ,  B60C9/08 ,  D02G3/48 ,  B60C9/02

CPC分类号： B60C3/04 ,  B60C9/0292 ,  Y10T152/10855

摘要： A pneumatic radial tire is disclosed, which comprises a toroidal tire body extending from bead portions to a crown portion through sidewall portions, and a reinforcement for the tire body consisting of a carcass composed of at least one cord ply containing polyester fiber cords therein, which cord ply being wound around a bead core embedded in each of the bead portions from the inside of the tire to the outside thereof, and a belt composed of at least two ply layers superimposed around the crown portion of the carcass and containing cords arranged at a relatively small inclination angle with respect to the mid-circumferential plane of the tire, the cords of which being crossed with each other. In this type of the tire, the carcass line of the tire body at a mounted state of the tire on a normal rim under a normal internal pressure depicts such a radial profile in tire section that a ratio of R/R' is within a range of 0.65-0.85 in which R' is a radius of a reference arc BEC, and R is a radius of curvature of a contour curve FC in a shoulder portion of the carcass line, and that a maximum distance f between the reference arc and a contour curve in a base portion of the carcass line is within a range of 5-10 mm; and the polyester fiber cord has an elongation .DELTA.E under a tension of 2 g/d of not less than 5%, and a value of .DELTA.S+0.4.DELTA.E of not more than 5.0% in which .DELTA.S is a heat shrinkage of the cord.

摘要翻译： 公开了一种充气子午线轮胎，其包括通过侧壁部分从胎圈部分延伸到胎冠部分的环形轮胎主体，以及由其中包括至少一个包含聚酯纤维帘线的帘线层构成的胎体的轮胎胎体的加强件， 帘线帘布层缠绕在从轮胎内部到其外侧嵌入每个胎圈部分中的胎圈芯，以及由在胎体的胎冠部分周围叠加的至少两层帘布层构成的带， 相对于轮胎的中周面的相对小的倾斜角度，其帘线彼此交叉。 在这种类型的轮胎中，轮胎主体的在正常内部压力下在正常轮辋上的安装状态下的胎体线表示轮胎部分中的这种径向轮廓，R / R'的比率在一定范围内 为0.65-0.85，其中R'是参考弧BEC的半径，R是胎体线的肩部中的轮廓曲线FC的曲率半径，并且参考弧和a之间的最大距离f 胎体线基部的轮廓曲线在5-10mm的范围内; 并且聚酯纤维帘线在2g / d的张力下具有不小于5％的伸长率ΔTAE，DELTA S + 0.4 DELTA E的值不大于5.0％，其中DELTA S是热收缩率 绳子。

公开(公告)号：US4360049A

公开(公告)日：1982-11-23

申请号：US240671

申请日：1981-03-05

申请人： Isamu Imai

发明人： Isamu Imai

IPC分类号： H02G7/04 ,  B60C1/00 ,  B60C3/04 ,  B60C11/00 ,  H01B17/06 ,  B60C3/00 ,  B60C9/18

CPC分类号： B60C11/0083 ,  B60C1/0016 ,  B60C11/00 ,  B60C3/04 ,  Y10T152/10765

摘要： Radial tires having improved irregular wear resistance, which are reinforced with a belt cord layer and a carcass cord layer, are disclosed. These radial tires have a crown radius of not less than a certain limited value and use, for at least the ground contact area of the tread, a rubber composition consisting essentially of 100 parts by weight of styrene-butadiene copolymer rubber having a viscosity average molecular weight of not less than 2.times.10.sup.5 or a blend rubber consisting of not less than 30 parts by weight of said copolymer rubber and at least one of natural rubber, polyisoprene rubber and polybutadiene rubber, 5-60 parts by weight of at least one of a liquid styrene-butadiene copolymer, a liquid polyisoprene and a liquid polybutadiene having a viscosity average molecular weight of 2.times.10.sup.3 -1.5.times.10.sup.5, and 40-90 parts by weight of carbon black.

摘要翻译： 公开了具有改进的不均匀耐磨性的径向轮胎，其被带帘线层和胎体帘线层增强。 这些子午线轮胎具有不小于某一限定值的冠半径，并且对于至少胎面的接地面积使用基本上由100重量份的具有粘均分子量的苯乙烯 - 丁二烯共聚物橡胶组成的橡胶组合物 重量不小于2×105或由不小于30重量份的所述共聚物橡胶和天然橡胶，聚异戊二烯橡胶和聚丁二烯橡胶中的至少一种组成的共混橡胶，5-60重量份的至少一种液体 苯乙烯 - 丁二烯共聚物，液体聚异戊二烯和粘均分子量为2×103-1.5×10 5的液体聚丁二烯和40-90重量份炭黑。

公开(公告)号：US4252171A

公开(公告)日：1981-02-24

申请号：US969136

申请日：1978-12-13

申请人： Isamu Imai ,  Kazuo Koyama ,  Mitsuaki Maeda

发明人： Isamu Imai ,  Kazuo Koyama ,  Mitsuaki Maeda

IPC分类号： B60C1/00 ,  B60C11/00 ,  B60C19/00 ,  B60C19/08 ,  C08L7/00 ,  C08L47/00 ,  C08L93/04

CPC分类号： B60C1/0016 ,  B60C19/08 ,  Y10T152/1081

摘要： A tire having excellent withstand-voltage property, wear resistance and resistance against heat build-up is disclosed. The tire has a tread, at least the contact area of the tread with road surface being made of a rubber composition containing a specifically limited softening agent and a specifically limited carbon black.

摘要翻译： 公开了具有优异的耐电压性，耐磨性和耐发热性的轮胎。 轮胎具有胎面，至少胎面与路面的接触面积由含有特别限定的软化剂和特别限定的炭黑的橡胶组合物制成。