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1. 发明专利

JP2013136281A Tire and mold for molding tire 有权
标题翻译：轮胎和模具轮胎模具
公开(公告)号：JP2013136281A
公开(公告)日：2013-07-11
申请号：JP2011287678
申请日：2011-12-28
申请人： Bridgestone Corp , 株式会社ブリヂストン
发明人： SHIGA YOSHITAKA
IPC分类号： B60C11/00 , B29C33/02 , B29L30/00
CPC分类号： B29D30/0601 , B29C33/424 , B29D30/0606 , B29D2030/0616 , B29D2030/667 , B29K2995/0074 , B29L2030/00 , B60C11/00 , B60C2011/0381
摘要： PROBLEM TO BE SOLVED: To provide a tire with improved on-ice perfromance and on-snow performance, and to provide a mold for molding a tire, which is used for manufacturing the tire.SOLUTION: The tire has a number of protrusion parts formed in at least a portion of the tread of a tread part, wherein each of the protrusion parts has a radius of curvature within a prescribed range. The mold for molding a tire has a number of depression parts formed in at least a portion of a tread molding surface, wherein each of the depression parts has a radius of curvature within a prescribed range.
摘要翻译：要解决的问题：提供一种具有改进的冰上和雪地性能的轮胎，并且提供用于制造轮胎的轮胎成型用模具。解决方案：轮胎具有多个突起部分，形成在胎面部的胎面的至少一部分中，其中每个突起部具有在规定范围内的曲率半径。用于模制轮胎的模具具有形成在胎面模制表面的至少一部分中的多个凹陷部分，其中每个凹陷部分具有在规定范围内的曲率半径。

2. 发明专利

JP2012035535A Studdable tire, its manufacturing method, tire mold and mold pin 有权
标题翻译：研究轮胎及其制造方法，轮胎模具和模具销
公开(公告)号：JP2012035535A
公开(公告)日：2012-02-23
申请号：JP2010178563
申请日：2010-08-09
申请人： Bridgestone Corp , 株式会社ブリヂストン
发明人： SHIGA YOSHITAKA
IPC分类号： B29C33/02 , B29C35/02 , B29K21/00 , B29K105/24 , B29L30/00 , B60C11/16
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a studdable tire which can inhibit the generation of a fissure in a stud embedding hole opened in the studdable tire, while securing the performance of the stud embedding hole to retain the stud, as well as a tire mold to be used for vulcanization treatment of the studdable tire.SOLUTION: When manufacturing the studdable tire with stud embedding holes formed in a tire tread, the tire mold is used which comprises a plurality of sector molds of the following configuration as a tire mold; that is, including a cylindrical part 14a positioned on the inner circumferential surface side of the sector mold and a bulged part 14b positioned inside the radial direction of the cylindrical part 14a. In addition, when viewed in the radial direction of the sector mold, the bulged part 14b assumes such a shape that it is configured of a mold pin which is elliptic in such a way that the diameter (a) is greater than the radius r of the cylindrical part and the major axis is directed in parallel with the width direction of the sector mold.
摘要翻译：解决的问题：为了提供一种能够抑制在可分式轮胎中打开的螺柱嵌入孔中产生裂缝的可分割轮胎的制造方法，同时确保螺栓嵌入孔的性能以保持螺栓，以及用于可分式轮胎的硫化处理的轮胎模具。解决方案：当制造具有形成在轮胎胎面中的螺柱嵌入孔的可分割轮胎时，使用轮胎模具，其包括具有以下构造的多个扇形模具作为轮胎模具; 即，包括位于扇形模具的内周面侧的圆筒部14a和位于圆筒部14a的径向内侧的凸部14b。此外，当从扇形模具的径向观察时，凸出部分14b呈现为椭圆形的模具销的形状，使得直径（a）大于半径r 圆柱形部分和长轴与扇形模具的宽度方向平行地指向。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2013136287A Tire and mold for molding tire 有权
标题翻译：轮胎和模具轮胎模具
公开(公告)号：JP2013136287A
公开(公告)日：2013-07-11
申请号：JP2011287731
申请日：2011-12-28
申请人： Bridgestone Corp , 株式会社ブリヂストン
发明人： SHIGA YOSHITAKA
IPC分类号： B60C11/00 , B29C33/02 , B29C33/42 , B29C35/02 , B29K21/00 , B29K105/24 , B29L30/00
摘要： PROBLEM TO BE SOLVED: To provide a tire with improved on-ice performance and on-snow performance, and to provide a mold for molding a tire, which is used for manufacturing the tire.SOLUTION: At least a portion of a tread of the tire is within a prescribed range of Rsk and Rku. At least a portion of a tread molding surface of the mold for molding a tire is within a prescribed range of Rsk and Rku.
摘要翻译：要解决的问题：提供具有改进的冰上性能和雪地性能的轮胎，并且提供用于模制用于制造轮胎的轮胎的模具。解决方案：至少一部分胎面的胎面轮胎在Rsk和Rku的规定范围内。用于模制轮胎的模具的胎面模制表面的至少一部分在Rsk和Rku的规定范围内。

4. 发明专利

JP2013139180A Tire, and mold for tire molding 审中-公开
标题翻译：轮胎和模具用于轮胎成型
公开(公告)号：JP2013139180A
公开(公告)日：2013-07-18
申请号：JP2011289920
申请日：2011-12-28
申请人： Bridgestone Corp , 株式会社ブリヂストン
发明人： SHIGA YOSHITAKA
IPC分类号： B60C11/00 , B29C33/02 , B29C33/42 , B29C35/02 , B29L31/30
摘要： PROBLEM TO BE SOLVED: To provide a tire having the improved on-ice performance and on-snow performance, and to provide a mold for tire molding used in manufacturing the same.SOLUTION: In the tire, a large number of protrusions having the height in predetermined ranges are formed in predetermined number density, on at least part of a tread surface. Additionally, in the mold for tire molding, a large number of recesses having the depth in predetermined ranges are formed in predetermined number density, on at least of a tread molding surface.
摘要翻译：要解决的问题：提供具有改进的冰上性能和雪地性能的轮胎，并且提供用于制造轮胎成型用的模具。解决方案：在轮胎中，具有高度的大量突起在预定范围内，在胎面表面的至少一部分上以预定数量的密度形成。另外，在轮胎成型用模具中，至少在胎面成型面上形成规定数量以上的深度在规定范围内的多个凹部。

5. 发明专利

JP2013100049A Tire 审中-公开
标题翻译：胎
公开(公告)号：JP2013100049A
公开(公告)日：2013-05-23
申请号：JP2011245533
申请日：2011-11-09
申请人： Bridgestone Corp , 株式会社ブリヂストン
发明人： SHIGA YOSHITAKA , KATSUNO HIROYUKI
IPC分类号： B60C11/04 , B60C11/11 , B60C11/13
摘要： PROBLEM TO BE SOLVED: To improve on-snow traction performance without deteriorating braking performance on a dry road surface.SOLUTION: In a tire 1, cut parts 40 are formed in land parts 30 inside circumferential grooves 10 or width-direction grooves 20. One end E1 of each cut part 40 is constituted so as to open in the wall surface A of each land part 30, while the other end E2 of each cut part 40 is constituted so as to terminate inside each land part 30. A depth D3 from a tread surface C at a position where the other end E2 of each cut part 40 exists is structured to be deeper than a width D2 from the tread surface C at a position where the one end E1 of each cut part 40 exists.
摘要翻译：要解决的问题：为了改善雪地上的牵引性能，而不会降低干路面上的制动性能。解决方案：在轮胎1中，切割部40形成在周向槽10或宽度方向槽20内的陆部30中。各切割部40的一端E1构成为在每个陆部30，而每个切割部分40的另一端E2被构造成终止在每个陆部30内。在每个切割部40的另一端E2的位置处的胎面表面C的深度D3是被构造成比在每个切割部分40的一端E1存在的位置处从胎面表面C的宽度D2更深。版权所有（C）2013，JPO＆INPIT

6. 发明专利

JP2012046017A Pneumatic tire 有权
标题翻译：气动轮胎
公开(公告)号：JP2012046017A
公开(公告)日：2012-03-08
申请号：JP2010188847
申请日：2010-08-25
申请人： Bridgestone Corp , 株式会社ブリヂストン
发明人： SHIGA YOSHITAKA
IPC分类号： B60C11/16
摘要： PROBLEM TO BE SOLVED: To provide a pneumatic tire which fully assures skid resistance by spike pins arranged in a tread side edge side over a long period of time, in a side region of a tread ground contact face, and further prevents fall-out of a spike pin provided in a tread center side over a long period of time.SOLUTION: In the tread ground contact face, a plurality of spike pins 4 and 6 in which a plane outline shape of bodies 4a and 6a forms a circle are arranged. A tread ground contact width W is trisected into a center region 1 and both side regions 2, in a tread width direction, In each of the side region 2, a plane outline dimension A of the body 4a of the spike pin 4 which is arranged in a center side land section 3 within 1/6 to 1/12 of a tread ground contact width from the center region, is made smaller than a plane outline dimension B of the body 6a of the spike pin 6 arranged in a remaining land section 5 of the tread side edge side of each side region 2.
摘要翻译：要解决的问题：提供一种充气轮胎，其充分地确保了在胎面接地面的侧部区域中长时间地布置在胎面侧边缘侧的穗状销的防滑性，并进一步防止掉落 - 在长时间段内设置在胎面中心侧的钉销。解决方案：在胎面接地面中，布置有主体4a和6a的平面轮廓形状形成圆的多个钉销4和6。胎面接地宽度W在胎面宽度方向上被分成中心区域1和两个侧面区域2，在侧面区域2的每一个中，突出销4的主体4a的平面轮廓尺寸A被布置在距离中心区域的胎面接地宽度的1/6至1/12范围内的中心侧接地部分3中，被制成小于布置在剩余的接地部分中的针脚6的主体6a的平面轮廓尺寸B 每个侧面区域2的胎面侧边缘侧的5个。版权所有（C）2012，JPO＆INPIT

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