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公开(公告)号：US20170113489A1
公开(公告)日：2017-04-27
申请号：US15333772
申请日：2016-10-25
CPC分类号： B60C7/102 , B60B5/02 , B60B11/06 , B60B2310/204 , B60B2360/50 , B60C7/14 , B60C7/18 , B60C2007/146
摘要： An airless tire includes multiple tire pieces including a first tire piece and a second tire piece such that the first and second tire pieces are integrated in alignment in tire axial direction. The first tire piece includes a first tread ring, a first inner periphery portion and first spokes such that the first ring has a cylindrical form and a ground contact surface, the first periphery portion is formed on radial direction inner side of the first ring, and the first spokes are connecting the first ring and periphery portion, and the second tire piece includes a second tread ring, a second inner periphery portion, and second spokes such that the second ring has a cylindrical form and a ground contact surface, the second periphery portion is formed on radial direction inner side of the second ring, and the second spokes are connecting the second ring and periphery portion.
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公开(公告)号：US09358704B2
公开(公告)日：2016-06-07
申请号：US14729458
申请日：2015-06-03
发明人： Hirotoshi Kagota , Wako Iwamura , Makoto Sugiya
CPC分类号： B29C43/027 , B29C33/123 , B29C45/14065 , B29D30/02 , B29L2030/006 , B60C7/22 , B60C2007/005 , B60C2007/107
摘要： A spoke casting device for integrally cast-molding a spoke of an airless tire includes a casting mold including upper and lower molds which relatively moves between mold closed and mold open states in tire axial direction, a positioning device which concentrically positions a hub and a tread ring with respect to the cast mold, and a demolding device which pushes out an airless tire from the lower mold in the open state. The cast mold concentrically holds the ring and hub between the upper and lower molds and forms a cavity for casting a spoke made of a polymer material between the ring and hub held in the closed state, and the positioning device includes a first positioning device including an outer peripheral surface contact portion such that the contact portion makes contact with outer peripheral surface of the ring and positions the ring with respect to the cast mold.
摘要翻译： 一种用于对无气轮胎的轮辐进行整体铸造的轮辐铸造装置包括：铸模，其包括在轮胎轴向方向上在闭模和模开模状态之间相对移动的上模和下模;定位装置，其将毂和胎面同心地定位 相对于模具环形成的脱模装置，以及在打开状态下从下模推出无气轮胎的脱模装置。 铸造模具将环和毂同心地保持在上模具和下模具之间，并且形成用于铸造由保持在关闭状态的环和轮毂之间的由聚合物材料制成的轮辐的空腔，并且定位装置包括第一定位装置， 外周面接触部分，使得接触部分与环的外周表面接触并且相对于铸模定位环。
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公开(公告)号：US20150352755A1
公开(公告)日：2015-12-10
申请号：US14729458
申请日：2015-06-03
发明人： Hirotoshi KAGOTA , Wako Iwamura , Makoto Sugiya
IPC分类号： B29C43/02
CPC分类号： B29C43/027 , B29C33/123 , B29C45/14065 , B29D30/02 , B29L2030/006 , B60C7/22 , B60C2007/005 , B60C2007/107
摘要： A spoke casting device for integrally cast-molding a spoke of an airless tire includes a casting mold including upper and lower molds which relatively moves between mold closed and mold open states in tire axial direction, a positioning device which concentrically positions a hub and a tread ring with respect to the cast mold, and a demolding device which pushes out an airless tire from the lower mold in the open state. The cast mold concentrically holds the ring and hub between the upper and lower molds and forms a cavity for casting a spoke made of a polymer material between the ring and hub held in the closed state, and the positioning device includes a first positioning device including an outer peripheral surface contact portion such that the contact portion makes contact with outer peripheral surface of the ring and positions the ring with respect to the cast mold.
摘要翻译： 一种用于对无气轮胎的轮辐进行整体铸造的轮辐铸造装置包括：铸模，其包括在轮胎轴向方向上在闭模和模开模状态之间相对移动的上模和下模;定位装置，其将毂和胎面同心地定位 相对于模具环形成的脱模装置，以及在打开状态下从下模推出无气轮胎的脱模装置。 铸造模具将环和毂同心地保持在上模具和下模具之间，并且形成用于铸造由保持在关闭状态的环和轮毂之间的由聚合物材料制成的轮辐的空腔，并且定位装置包括第一定位装置， 外周面接触部分，使得接触部分与环的外周表面接触并且相对于铸模定位环。
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公开(公告)号：US10399384B2
公开(公告)日：2019-09-03
申请号：US15103225
申请日：2014-12-17
发明人： Wako Iwamura , Makoto Sugiya
摘要： The purpose of the present invention is to minimize decline in endurance, while improving vibration performance. The spokes of an airless tire are provided, as an integrated unit, with an outside annular portion joined to the inside peripheral surface of a tread ring, an inside annular portion joined to the outside peripheral surface of a hub, and a spoke plate portion of constant thickness providing linkage therebetween. The radial inner edge and the radial outer edge of the center plane of thickness of the spoke plate portion are respectively diagonal with respect to a tire axial-direction line. The intersection line at which the center plane of thickness intersects a plane that is at a right angle to the tire axial-direction line constitutes a straight line. The spoke length, which is the length from the radial inner edge to the radial outer edge along the intersection line, is constant for any given location in the tire axial direction.
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公开(公告)号：US10252572B2
公开(公告)日：2019-04-09
申请号：US14873384
申请日：2015-10-02
发明人： Seiji Nomura , Wako Iwamura , Makoto Sugiya
摘要： An airless tire includes a tread ring, a hub positioned on radially inner side of the ring, and a spoke structure including polymer material and connecting the ring and hub, the structure including spoke pieces arrayed in circumferential direction. Each spoke piece has a tread connecting portion, a hub connecting portion, and a spoke curved portion between the tread and hub connecting portions, each spoke piece has straight radial length LSb of at least 1.05 times straight radial length LSa and curved radial length LLb of at least 1.03 times LSb when positioned at 0° on coordinate around the tire axis where a perpendicular line extending vertically upward from the tire axis is set 0°, LSb is measured along the base line under base-load condition, LSa is measured along the base line under no-load condition, and LLb is measured along a curve of each spoke piece under the base-load condition.
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公开(公告)号：US10189311B2
公开(公告)日：2019-01-29
申请号：US15333772
申请日：2016-10-25
摘要： An airless tire includes multiple tire pieces including a first tire piece and a second tire piece such that the first and second tire pieces are integrated in alignment in tire axial direction. The first tire piece includes a first tread ring, a first inner periphery portion and first spokes such that the first ring has a cylindrical form and a ground contact surface, the first periphery portion is formed on radial direction inner side of the first ring, and the first spokes are connecting the first ring and periphery portion, and the second tire piece includes a second tread ring, a second inner periphery portion, and second spokes such that the second ring has a cylindrical form and a ground contact surface, the second periphery portion is formed on radial direction inner side of the second ring, and the second spokes are connecting the second ring and periphery portion.
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公开(公告)号：US09969219B2
公开(公告)日：2018-05-15
申请号：US14932601
申请日：2015-11-04
发明人： Wako Iwamura , Makoto Sugiya
CPC分类号： B60C7/14 , B60B1/02 , B60B1/0246 , B60B1/0261 , B60B5/02 , B60B9/26 , B60C7/18 , B60C2007/146
摘要： An airless tire includes a cylindrical tread ring, a hub and a spoke structure connecting the tread ring and hub. The spoke structure has a tread-side annular component, a hub-side annular component, and spoke plates radially extending from the hub-side to tread-side components, each spoke plate has thickness having first tapered-thickness region, second tapered-thickness region and minimum-thickness region such that the first region radially extending outward has the thickness gradually reducing from first position at which the hub-side component is bonded, the second region radially extending inward has the thickness gradually reducing from second position at which the tread-side component is bonded, and the minimum-thickness region has the minimum thickness between the first and second regions, and the first and second regions are formed such that each of tire radial lengths of the first and second regions is at least 0.05 times a tire radial length of a spoke plate.
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公开(公告)号：US20180093527A1
公开(公告)日：2018-04-05
申请号：US15103225
申请日：2014-12-17
发明人： Wako Iwamura , Makoto Sugiya
CPC分类号： B60C7/14 , B60B5/02 , B60B9/26 , B60B19/10 , B60B27/06 , B60B2310/202 , B60B2310/204 , B60B2360/10 , B60B2360/32 , B60B2900/131 , B60B2900/311 , B60B2900/325 , B60C7/18 , B60C7/22
摘要： The purpose of the present invention is to minimize decline in endurance, while improving vibration performance. The spokes of an airless tire are provided, as an integrated unit, with an outside annular portion joined to the inside peripheral surface of a tread ring, an inside annular portion joined to the outside peripheral surface of a hub, and a spoke plate portion of constant thickness providing linkage therebetween. The radial inner edge and the radial outer edge of the center plane of thickness of the spoke plate portion are respectively diagonal with respect to a tire axial-direction line. The intersection line at which the center plane of thickness intersects a plane that is at a right angle to the tire axial-direction line constitutes a straight line. The spoke length, which is the length from the radial inner edge to the radial outer edge along the intersection line, is constant for any given location in the tire axial direction.
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公开(公告)号：US09895933B2
公开(公告)日：2018-02-20
申请号：US14892262
申请日：2014-01-20
发明人： Makoto Sugiya , Wako Iwamura , Kazuo Asano
CPC分类号： B60C7/14 , B60C7/00 , B60C7/18 , B60C23/19 , B60C2007/146
摘要： A non-pneumatic tire has high durability performance. A non-pneumatic tire is provided with: an annular tread section (2) which comes into contact with the road surface; an annular inner peripheral section (3) which is located on the inside of the tread section (2) in the radial direction of the tire; and a plurality of connection sections (4) which connect the tread section (2) and the inner peripheral section (3). The connection sections (4), the inner surface (2b) of the tread section (2), and/or the outer surface (3a) of the inner peripheral section (3) is provided with a plurality of dimples (5).
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公开(公告)号：US20170057288A1
公开(公告)日：2017-03-02
申请号：US15307942
申请日：2015-05-07
发明人： Makoto Sugiya , Wako Iwamura
摘要： Provided is a non-pneumatic tire having excellent durability performance. This non-pneumatic tire is provided with an annular tread portion which contacts the road surface, an annular inner peripheral portion which is positioned radially inward of the tread portion, and multiple linking units which join the tread portion and the inner peripheral portion. The tread portion includes a first portion which contacts the road surface, and a second portion which includes an inner peripheral surface facing the inner peripheral portion. The thermal conductivity of the second portion is greater than that of the first portion.
摘要翻译： 提供耐久性优异的非充气轮胎。 该非充气轮胎设置有与路面接触的环状胎面部，位于胎面部径向内侧的环状内周部和与胎面部和内周部接合的多个连结部。 胎面部包括接触路面的第一部分和包括面向内周部的内周面的第二部分。 第二部分的热导率大于第一部分的热导率。
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