公开(公告)号：US4708185A

公开(公告)日：1987-11-24

申请号：US917285

申请日：1986-10-09

Applicant: Isamu Imai ,  Kazuo Oshima ,  Kenichi Tanaka ,  Norio Inada

Inventor： Isamu Imai ,  Kazuo Oshima ,  Kenichi Tanaka ,  Norio Inada

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

CPC classification number: B60C3/04 ,  B60C9/0292 ,  Y10T152/10855

Abstract: 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.

Abstract translation: 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：US5151142A

公开(公告)日：1992-09-29

申请号：US290827

申请日：1988-12-22

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

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

IPC: B60C9/00

CPC classification number: B60C9/0042 ,  B60C2200/02 ,  Y10S156/91

Abstract: 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.

Abstract translation: 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

Applicant: Isamu Imai ,  Norio Inada

Inventor： Isamu Imai ,  Norio Inada

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

CPC classification number: B60C9/0042 ,  B60C9/08 ,  B60C2200/02 ,  Y10T152/10873

Abstract: 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.

Abstract translation: 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：US4628978A

公开(公告)日：1986-12-16

申请号：US700344

申请日：1985-02-13

Applicant: Isamu Imai ,  Kazuo Oshima ,  Norio Inada

Inventor： Isamu Imai ,  Kazuo Oshima ,  Norio Inada

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

CPC classification number: B60C9/0042 ,  B60C9/08 ,  D02G3/48 ,  D10B2331/04

Abstract: 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%.

Abstract translation: 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：US4887655A

公开(公告)日：1989-12-19

申请号：US46363

申请日：1987-05-06

Applicant: Isamu Imai ,  Norio Inada

Inventor： Isamu Imai ,  Norio Inada

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

CPC classification number: B60C15/0072 ,  B60C15/04 ,  B60C9/2009 ,  B60C9/22 ,  B60C2200/02

Abstract: 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.

Abstract translation: 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

Applicant: Norio Inada ,  Isamu Imai

Inventor： Norio Inada ,  Isamu Imai

IPC: D02G3/28 ,  D02G3/40 ,  D02G3/48

CPC classification number: D02G3/40 ,  D02G3/28 ,  D02G3/48 ,  D10B2331/021 ,  Y10S57/902

Abstract: 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.

Abstract translation: 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：US5513685A

公开(公告)日：1996-05-07

申请号：US404989

申请日：1995-03-16

Applicant: Jun Watanabe ,  Norio Inada

Inventor： Jun Watanabe ,  Norio Inada

IPC: B60C9/08 ,  B60C9/18 ,  B60C9/20 ,  B60C9/26

CPC classification number: B60C9/263 ,  Y10S156/91 ,  Y10T152/10765 ,  Y10T152/10783 ,  Y10T152/10792 ,  Y10T152/10801

Abstract: A pneumatic radial tire for airplanes comprises a toroidal carcass of at least two carcass plies, a tread rubber superimposed on the carcass, and a belt disposed between the carcass and the tread rubber, in which the belt is comprised of a plurality of radially inner belt plies and a plurality of radially outer belt plies, and each of the radially inner belt plies contains cords extending substantially zigzag at a cord angle A of 5-15.degree. with respect to the equatorial plane in the circumferential direction while radially being bent at both side ends of the ply, and each of the outer belt plies contains cords having a cord angle B larger than the cord angle A. In this tire, the occurrences of standing wave and cut peel off are prevented with the reduction of tire weight.

Abstract translation: 一种用于飞机的充气子午线轮胎包括至少两个胎体帘布层的环形胎体，叠加在胎体上的胎面橡胶，以及设置在胎体和胎面橡胶之间的带，其中带由多个径向内带 帘布层和多个径向外带束层，并且每个径向内带束层包含基本上以锯齿形延伸的帘线，帘线角度A相对于赤道平面在5-15°的圆周方向上，同时径向地在两侧弯曲 帘布层的端部，并且每个外带束层包含具有大于帘线角A的帘线角度B的绳索。在该轮胎中，随着轮胎重量的减小，防止驻波和切割剥离的发生。

公开(公告)号：US5733654A

公开(公告)日：1998-03-31

申请号：US262383

申请日：1994-06-20

Applicant: Norio Inada ,  Hiroto Yoshida

Inventor： Norio Inada ,  Hiroto Yoshida

IPC: C08J5/06 ,  D06M15/693 ,  B32B27/34

CPC classification number: C08J5/06 ,  D06M15/693 ,  C08J2321/00 ,  Y10T428/2913 ,  Y10T428/2933 ,  Y10T428/2935 ,  Y10T428/2969

Abstract: Polyamide fiber cords for rubber reinforcement are produced by subjecting cords having a denier per filament of 1.5-10 to RFL adhesive solution having a swelling ratio in DMSO of 122-340% at an impregnated state in cord, embedding the thus treated cords in rubber and vulcanizing them, and have a cord strength in rubber of not less than 8.0 g/d. They provide excellent fatigue resistance under repetitive compressive strain without lowering strength in the dipping and vulcanization.

Abstract translation: 用于橡胶增强的聚酰胺纤维帘线通过在帘线中浸渍的状态下将具有1.5-10旦尼尔旦尼尔的纤维的纤维缠绕在绳索中的在DMSO中的溶胀比为122-340％的RFL粘合剂溶液，将如此处理的帘线嵌入橡胶中， 硫化，橡胶帘线强度不小于8.0g / d。 它们在重复的压缩应变下提供优异的抗疲劳性，而不会降低浸渍和硫化中的强度。

公开(公告)号：US5427167A

公开(公告)日：1995-06-27

申请号：US266881

申请日：1994-07-05

Applicant: Jun Watanabe ,  Norio Inada

Inventor： Jun Watanabe ,  Norio Inada

IPC: B60C9/08 ,  B60C9/18 ,  B60C9/20 ,  B60C9/26

CPC classification number: B60C9/263 ,  Y10S156/91 ,  Y10T152/10765 ,  Y10T152/10783 ,  Y10T152/10792 ,  Y10T152/10801

Abstract: A pneumatic radial tire for airplanes comprises a toroidal carcass of at least two carcass plies, a tread rubber superimposed on the carcass, and a belt disposed between the carcass and the tread rubber, in which the belt is comprised of a plurality of radially inner belt plies and a plurality of radially outer belt plies, and each of the radially inner belt plies contains cords extending substantially zigzag at a cord angle A of 5.degree.-15.degree. with respect to the equatorial plane in the circumferential direction while axially being bent at both side ends of the ply, and each of the outer belt plies contains cords having a cord angle B larger than the cord angle A. In this tire, the occurrences of standing wave and cut peel off are prevented with the reduction of tire weight.

Abstract translation: 一种用于飞机的充气子午线轮胎包括至少两个胎体帘布层的环形胎体，叠加在胎体上的胎面橡胶，以及设置在胎体和胎面橡胶之间的带，其中带由多个径向内带 帘布层和多个径向外带束层，并且每个径向内带束层包含在相对于赤道平面的圆周方向上以5°-15°的帘线角A基本上为锯齿状延伸的绳索，同时沿两个轴向弯曲 帘布层的侧端，并且每个外带束层包含具有大于帘线角A的帘线角度B的绳索。在该轮胎中，随着轮胎重量的减小，防止驻波和切割剥离的发生。

公开(公告)号：US5016698A

公开(公告)日：1991-05-21

申请号：US570560

申请日：1990-08-21

Applicant: Shizuo Iwasaki ,  Norio Inada

Inventor： Shizuo Iwasaki ,  Norio Inada

IPC: B60C9/00 ,  B60C9/20 ,  B60C9/26 ,  D02G3/48

CPC classification number: B60C9/0042 ,  B60C9/20 ,  B60C9/26

Abstract: A pneumatic radial tire having improved comfortability and durability comprises a belt composed of at least two belt reinforcing layers, one of which layers contains high strength and high modulus polyvinyl alcohol fiber cords having particular properties.