公开(公告)号：US20080306199A1

公开(公告)日：2008-12-11

申请号：US12153770

申请日：2008-05-23

Applicant: Yasuhisa Minagawa

Inventor： Yasuhisa Minagawa

IPC: C08K5/098 ,  C08L19/00

CPC classification number: B60C1/0016 ,  B60C1/00 ,  C08C19/06 ,  C08K5/098 ,  C08L15/00

Abstract: The present invention provides a rubber composition for a tire containing an epoxidized natural rubber, sulfur and a fatty acid metal salt, in which the metal of the fatty acid metal salt is a metal belonging to Group 12, 13 or 14 of the periodic table. Here, the fatty acid metal salt is preferably at least one kind selected from the group consisting of zinc stearate, aluminum stearate and tin stearate. Also, the present invention provides a tire manufactured by using the foregoing rubber composition for a tire.

Abstract translation: 本发明提供了一种含有环氧化天然橡胶，硫和脂肪酸金属盐的轮胎用橡胶组合物，其中脂肪酸金属盐的金属是属于周期表第12,13或14族的金属。 这里，脂肪酸金属盐优选为选自硬脂酸锌，硬脂酸铝和硬脂酸锡中的至少一种。 另外，本发明提供一种通过使用上述轮胎用橡胶组合物制造的轮胎。

公开(公告)号：US20070149648A1

公开(公告)日：2007-06-28

申请号：US11599289

申请日：2006-11-15

Applicant: Noriko Yagi ,  Yasuhisa Minagawa

Inventor： Noriko Yagi ,  Yasuhisa Minagawa

IPC: C08K9/00 ,  B60C1/00

CPC classification number: C08K3/36 ,  B60C1/0016 ,  B60C1/0025 ,  C08K5/541 ,  C08K5/5419 ,  C08K5/548 ,  C08K9/06 ,  C08L7/00 ,  C08L9/06 ,  C08L21/00 ,  Y02T10/862

Abstract: A rubber composition capable of improving all of processability, abrasion resistance, rolling resistance property and wet skid performance and a pneumatic tire using the same are provided.A rubber composition comprising 25 to 100 parts by weight of a surface-treated silica based on 100 parts by weight of a rubber component comprising a natural rubber and/or a diene synthetic rubber, the surface-treated silica being obtainable by mixing a silica and a sulfur-containing organic silicon compound represented by the general formula (1): or the general formula (2): in an amount of 1 to 20 parts by weight of the sulfur-containing organic silicon compound on the basis of 100 parts by weight of the silica under a temperature of 130° to 180° C.

Abstract translation: 提供能够提高加工性，耐磨性，滚动阻力特性和湿滑性能的全部橡胶组合物和使用该橡胶组合物的充气轮胎。 一种橡胶组合物，其包含基于100重量份的包含天然橡胶和/或二烯合成橡胶的橡胶组分的25至100重量份的表面处理二氧化硅，所述表面处理二氧化硅可通过将二氧化硅和 由通式（1）表示的含硫有机硅化合物或通式（2）：含量为1〜20重量份的含硫有机硅化合物为100重量份 的二氧化硅在130〜180℃的温度下进行。

公开(公告)号：US20070060686A1

公开(公告)日：2007-03-15

申请号：US11510711

申请日：2006-08-28

Applicant: Yasuhisa Minagawa

Inventor： Yasuhisa Minagawa

IPC: B60C1/00 ,  C08K3/38 ,  C08K5/24

CPC classification number: B60C1/0008 ,  B60C1/0016 ,  B60C1/0025 ,  C08K3/38 ,  Y02T10/862 ,  Y10S152/905 ,  C08L21/00

Abstract: A rubber composition, wherein a reaction efficiency of a silane coupling agent at kneading is improved, generation of air bubbles is suppressed, abrasion resistance is improved, and rolling resistance is lowered, is provided. A rubber composition containing silica, which comprises 3 to 15 parts by weight of a silane coupling agent based on 100 parts by weight of silica, and boric acid.

Abstract translation: 提供了一种橡胶组合物，其中改善了捏合时硅烷偶联剂的反应效率，抑制气泡的产生，提高了耐磨性，降低了滚动阻力。 包含二氧化硅的橡胶组合物，其包含基于100重量份二氧化硅的3至15重量份的硅烷偶联剂和硼酸。

公开(公告)号：US20050187332A1

公开(公告)日：2005-08-25

申请号：US11042109

申请日：2005-01-26

Applicant: Yasuhisa Minagawa ,  Noriko Yagi

Inventor： Yasuhisa Minagawa ,  Noriko Yagi

IPC: B60C1/00 ,  C08K3/10 ,  C08K3/26 ,  C08K3/36 ,  C08K3/38 ,  C08K5/00 ,  C08K5/54 ,  C08K5/548 ,  C08L21/00 ,  C08K5/24 ,  C08K3/34

CPC classification number: C08K3/38 ,  C08K3/10 ,  C08K3/26 ,  C08K3/36 ,  C08K5/548 ,  Y02T10/862 ,  C08L21/00

Abstract: The present invention provides a rubber composition, in which reaction efficiency of the silane coupling agent in kneading is improved, generation of bubbles is suppressed, abrasion resistance is improved and rolling resistance is reduced. Specifically, the rubber composition comprises silica and 3 to 15 parts by weight of a silane coupling agent and 1.5 to 15 parts by weight of a potassium salt based on 100 parts by weight of the silica.

Abstract translation: 本发明提供了一种橡胶组合物，其中改善了捏合中硅烷偶联剂的反应效率，抑制了气泡的产生，提高了耐磨性，降低了滚动阻力。 具体而言，基于100重量份的二氧化硅，橡胶组合物包含二氧化硅和3至15重量份的硅烷偶联剂和1.5至15重量份的钾盐。

公开(公告)号：US08962758B2

公开(公告)日：2015-02-24

申请号：US13616593

申请日：2012-09-14

Applicant: Kazuo Hochi ,  Yasuhisa Minagawa

Inventor： Kazuo Hochi ,  Yasuhisa Minagawa

IPC: C08F8/00 ,  C08L23/00

CPC classification number: C08K5/3492 ,  B65D53/00 ,  C08L23/283 ,  C08L23/10

Abstract: The present invention aims to provide a dynamically-crosslinked thermoplastic elastomer composition that can provide a molded product exhibiting low compression set especially in the case of being cooled under stress. The present invention relates to a thermoplastic elastomer composition, including a dynamically-crosslinked butyl rubber and a thermoplastic resin; and having a thermoplastic resin content of not more than 8% by mass. The dynamically-crosslinked butyl rubber is preferably a halogen-containing butyl rubber.

Abstract translation: 本发明的目的在于提供一种动态交联的热塑性弹性体组合物，其特征在于在应力下冷却的情况下，可以提供具有低压缩变形的成型体。 本发明涉及一种热塑性弹性体组合物，其包括动态交联的丁基橡胶和热塑性树脂; 并且热塑性树脂含量不超过8质量％。 动态交联的丁基橡胶优选为含卤素的丁基橡胶。

公开(公告)号：US08293833B2

公开(公告)日：2012-10-23

申请号：US11822620

申请日：2007-07-09

Applicant: Kazuo Hochi ,  Ai Matsuura ,  Yasuhisa Minagawa

Inventor： Kazuo Hochi ,  Ai Matsuura ,  Yasuhisa Minagawa

IPC: B60C1/00 ,  C08K3/34

CPC classification number: C08K3/36 ,  B60C1/0016 ,  B60C1/0025 ,  C08K2201/014 ,  Y02T10/862 ,  C08L9/00 ,  C08L21/00

Abstract: The present invention provides a rubber composition capable of reducing rolling resistance, and improving abrasion resistance, wet skid performance, and steering stability. A tire having a tread and/or a sidewall using the rubber composition is also provided. The rubber composition of the present invention comprises not less than 10 parts by weight of the silica (1) having an average primary particle diameter of not less than 22 nm and not less than 5 parts by weight of the silica (2) having an average primary particle diameter smaller than 22 nm based on 100 parts by weight of a rubber component, wherein the total amount of the silica (1) and the silica (2) is 15 to 150 parts by weight. The tire of the present invention is prepared by using the rubber composition.

Abstract translation: 本发明提供能够降低滚动阻力，提高耐磨性，防滑性能和操纵稳定性的橡胶组合物。 还提供了使用橡胶组合物具有胎面和/或侧壁的轮胎。 本发明的橡胶组合物包含平均一次粒径不小于22nm的二氧化硅（1）和不少于5重量份平均二氧化硅（2）的不少于10重量份的二氧化硅 基于100重量份的橡胶组分，一次粒径小于22nm，其中二氧化硅（1）和二氧化硅（2）的总量为15〜150重量份。 通过使用橡胶组合物制备本发明的轮胎。

公开(公告)号：US07950427B2

公开(公告)日：2011-05-31

申请号：US11077024

申请日：2005-03-11

Applicant: Toshiaki Sakaki ,  Yasuhisa Minagawa ,  Sadahiko Matsumura

Inventor： Toshiaki Sakaki ,  Yasuhisa Minagawa ,  Sadahiko Matsumura

IPC: B60C1/00 ,  B60C7/10 ,  B60C7/12 ,  C08J9/04

CPC classification number: B60C17/06 ,  B60C7/105 ,  B60C17/065 ,  Y10T152/10378 ,  Y10T428/1376

Abstract: The present invention provides a shock absorber loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim, which exhibits suitable hardness when starting running and is excellent in cushioning property, both when starting running and during running, due to decrease in hardness as the temperature increases while running. Specifically, the present invention relates to a shock absorber which is loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim and contacts substantially with the entire inner surface of a tire to be compressed, is circular in the tire circumferential direction and has closed cells; the shock absorber comprising an expanded rubber composition containing at least 5 parts by weight of an organic polymer having a softening point of at least 40° C., based on 100 parts by weight of a rubber component.

Abstract translation: 本发明提供一种装载在轮胎的内腔中的减震器，该轮胎由用于二轮和轮辋的轮胎包围，轮胎在起动时表现出合适的硬度，并且在起动和行驶时都具有优良的缓冲性能， 由于运行时温度升高引起的硬度降低。 具体来说，本发明涉及一种减震器，其装载在轮胎的内腔中，该轮胎由用于两轮车的轮胎和轮辋包围，并且基本上与待压缩的轮胎的整个内表面接触，是圆形的 轮胎圆周方向并具有闭孔; 减震器包括基于100重量份的橡胶组分包含至少5重量份的软化点为至少40℃的有机聚合物的膨胀橡胶组合物。

公开(公告)号：US20100056667A1

公开(公告)日：2010-03-04

申请号：US12484505

申请日：2009-06-15

Applicant: Takayuki HATTORI ,  Ryoji Kojima ,  Naohiko Kikuchi ,  Yasuhisa Minagawa

Inventor： Takayuki HATTORI ,  Ryoji Kojima ,  Naohiko Kikuchi ,  Yasuhisa Minagawa

IPC: C08K5/09

CPC classification number: B60C1/0016

Abstract: The present invention has its object to provide a high performance studless tire, which has both good braking force and high handling stability on ice or snow, at higher productivity and at a lower price for customers. The studless tire comprises a tread made of a rubber composition containing 2.2 to 10 parts by mass of a fatty acid and/or a derivative of the fatty acid per 100 parts by mass of a rubber component, the tread having a JIS-A hardness of 50 or less.

Abstract translation: 本发明的目的是提供一种高性能无钉玻璃轮胎，其在较高的生产率和较低的价格下，在冰雪上具有良好的制动力和高的操纵稳定性。 无钉防滑轮胎包括由每100质量份橡胶成分含有2.2〜10质量份脂肪酸和/或脂肪酸衍生物的橡胶组合物制成的胎面，胎面的JIS-A硬度为 50以下。

公开(公告)号：US20050206112A1

公开(公告)日：2005-09-22

申请号：US11077024

申请日：2005-03-11

Applicant: Toshiaki Sakaki ,  Yasuhisa Minagawa ,  Sadahiko Matsumura

Inventor： Toshiaki Sakaki ,  Yasuhisa Minagawa ,  Sadahiko Matsumura

IPC: B60C7/00 ,  B60C1/00 ,  B60C7/10 ,  B60C17/06 ,  C08J9/06 ,  C08K5/09 ,  C08K5/13 ,  C08L21/00 ,  B60G11/22

CPC classification number: B60C17/06 ,  B60C7/105 ,  B60C17/065 ,  Y10T152/10378 ,  Y10T428/1376

Abstract: The present invention provides a shock absorber loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim, which exhibits suitable hardness when starting running and is excellent in cushioning property, both when starting running and during running, due to decrease in hardness as the temperature increases while running. Specifically, the present invention relates to a shock absorber which is loaded in the inner cavity of a tire enclosed by a tire for a two-wheeler and a rim and contacts substantially with the entire inner surface of a tire to be compressed, is circular in the tire circumferential direction and has closed cells; the shock absorber comprising an expanded rubber composition containing at least 5 parts by weight of an organic polymer having a softening point of at least 40° C., based on 100 parts by weight of a rubber component.

Abstract translation: 本发明提供一种装载在轮胎的内腔中的减震器，该轮胎由用于二轮和轮辋的轮胎包围，轮胎在起动时表现出合适的硬度，并且在起动和行驶时都具有优良的缓冲性能， 由于运行时温度升高引起的硬度降低。 具体来说，本发明涉及一种减震器，其装载在轮胎的内腔中，该轮胎由用于两轮车的轮胎和轮辋包围，并且基本上与要压缩的轮胎的整个内表面接触，是圆形的 轮胎圆周方向并具有闭孔; 减震器包括基于100重量份的橡胶组分包含至少5重量份的软化点为至少40℃的有机聚合物的膨胀橡胶组合物。

公开(公告)号：US06382286B1

公开(公告)日：2002-05-07

申请号：US09692110

申请日：2000-10-20

Applicant: Yasuhisa Minagawa

Inventor： Yasuhisa Minagawa

IPC: B60C100

CPC classification number: C08L21/00 ,  B60C1/0025 ,  B60C13/002 ,  C08L23/283 ,  C08L2312/00 ,  Y10T152/10864 ,  C08L2666/06 ,  C08L2666/04

Abstract: The object of the present invention is to provide a pneumatic tire having a sidewall rubber, which has improved weatherability and flexing fatigue resistance and is not discolored. The pneumatic tire comprises a pair of bead cores, a toroidal carcass fixed by turning down both ends thereof at the bead core, a belt layer arranged in the peripheral direction outside of the crown of the carcass, a tread arranged outside of the belt layer, and a sidewall rubber arranged outside of the carcass, wherein the sidewall rubber has a two-layer structure comprising an inner layer rubber adjacent to the carcass and an outer layer rubber arranged outside thereof, and the outer layer rubber comprises 40 to 90% by weight of at least one diene rubber selected from a group consisting of a natural rubber, an isoprene rubber, a styrene-butadiene rubber and a butadiene rubber, and 10 to 60% by weight of a rubber obtained by halogenating a copolymer of an iso-monoolefin having 4 to 7 carbon atoms and p-alkylstyrene, as a rubber component.

Abstract translation: 本发明的目的是提供一种具有侧壁橡胶的充气轮胎，其具有改善的耐候性和抗弯曲疲劳性，并且不变色。 充气轮胎包括一对胎圈芯，通过将胎圈芯的两端折回而固定的环形胎体，沿胎体冠部的外周方向布置的带束层，布置在带束层外侧的胎面， 以及侧壁橡胶，其设置在所述胎体的外侧，其中所述侧壁橡胶具有包括邻近所述胎体的内层橡胶和布置在其外部的外层橡胶的两层结构，并且所述外层橡胶包含40至90重量％ 的至少一种二烯橡胶，其选自天然橡胶，异戊二烯橡胶，苯乙烯 - 丁二烯橡胶和丁二烯橡胶，以及10〜60重量％的橡胶，其通过将异烯烃共聚物 具有4至7个碳原子和对烷基苯乙烯作为橡胶组分。