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公开(公告)号：US20230399496A1
公开(公告)日：2023-12-14
申请号：US18035645
申请日：2021-11-01
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Kensuke WASHIZU
CPC classification number: C08L9/06 , C08K3/36 , C08K3/04 , B60C1/0016 , C08L2205/025 , C08L2205/035 , C08L2205/06 , C08L2207/324 , C08K2201/011 , C08K2201/005
Abstract: A plasticizer for resins and/or elastomers, the plasticizer containing a group that changes its interaction with respect to an antifreeze with changes in temperature, the group having a lower critical solution temperature of −20° C. to 20° C.
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公开(公告)号：US20230391142A1
公开(公告)日：2023-12-07
申请号：US18142293
申请日：2023-05-02
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Yohei MAEDA
CPC classification number: B60C11/005 , B60C11/0302 , B60C11/0008 , B60C2011/1213 , B60C11/1204 , B60C11/1323 , B60C2011/0025 , B60C11/1307
Abstract: A tire includes a tread portion having a ground contacting surface and a first groove. A tread rubber forming the tread portion includes a first rubber layer and a second rubber layer. The second rubber layer has a complex elastic modulus smaller than a complex elastic modulus of the first rubber layer. The first groove includes a first groove edge, a groove bottom surface, and a first groove wall. In a lateral cross section of the first groove, the first groove wall includes a first wide top portion arranged between the first groove edge and the groove bottom surface and located outside the first groove edge in a groove width direction of the first groove. The first wide top portion is positioned in the second rubber layer.
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公开(公告)号：USD1006932S1
公开(公告)日：2023-12-05
申请号：US29818167
申请日：2021-12-07
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Designer： Jimmy Kuan
Abstract: FIG. 1 is a first perspective view of a head for a golf club showing my new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The part of the drawings shown in broken lines illustrates a portion of the head for a golf club that forms no part of the claimed design.-
公开(公告)号：US20230381595A1
公开(公告)日：2023-11-30
申请号：US18195994
申请日：2023-05-11
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Hidetaka INOUE , Mariko HASHINOKUCHI , Kazuya KAMINO
CPC classification number: A63B37/0063 , A63B37/0043 , A63B37/0031 , A63B37/0045 , A63B37/0033 , A63B37/0087 , C08K5/05
Abstract: An object of the present disclosure is to provide a golf ball having excellent flight distance on driver shots and good spin rate on middle iron shots. The present disclosure provides a golf ball comprising a spherical core and a cover, wherein a hardness difference (C1-C0), a hardness difference (C2-C1), a hardness difference (C3-C2) and a hardness difference (C4-C3) are more than 0 and 6.0 or less, a hardness difference (C5-C4) is 5.0 or more, and a hardness difference (C6-C5), a hardness difference (C7-C6) and a hardness difference (C8-C7) are more than 0 and 3.5 or less where C0 (center), C1, C2, C3, C4, C5, C6, C7 and C8 (surface) are a Shore C hardness at each point from the center obtained by dividing a radius of the spherical core into equal eight parts.
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公开(公告)号：US11826615B2
公开(公告)日：2023-11-28
申请号：US16887073
申请日：2020-05-29
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Kai Hayashi , Kazuyoshi Shiga , Hikaru Nagakura , Takahiro Shigemitsu
CPC classification number: A63B37/0051 , C08L9/00 , A63B37/0063 , A63B37/0064
Abstract: An object of the present invention is to provide a cured product of a golf ball rubber composition imparting excellent durability. The present invention provides a cured product of a golf ball rubber composition cured from a golf ball rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, and (c) a crosslinking initiator, wherein the cured product of the golf ball rubber composition satisfies the following mathematical formula (1):
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Patent Agency Ranking
公开(公告)号：US20230373247A1
公开(公告)日：2023-11-23
申请号：US18030850
申请日：2021-09-06
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Kenji HAMAMURA
CPC classification number: B60C1/0016 , C08K3/04 , C08K3/36 , C08L7/00 , C08L9/06 , B60C11/0075 , B60C11/0008 , B60C11/1236 , B60C2011/0025 , B60C2011/0033 , B60C2011/0355
Abstract: A tire comprising a tread part, wherein a ratio (G/WL) of a tire weight G (kg) with respect to a maximum load capability WL (kg) of the tire is 0.0131 or less, the tread comprises at least one rubber layer composed of a rubber composition comprising a rubber component and a reinforcing filler, tan δ at 30° C. (30° C. tan δ) of the rubber composition is over 0.15, and complex modulus at 30° C. (E*30) of the rubber composition is less than 8.0 MPa, and a ratio (30° C. tan δ/G) of the 30° C. tan δ with respect to the G is 0.016 or more.
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公开(公告)号：US11820175B2
公开(公告)日：2023-11-21
申请号：US16692829
申请日：2019-11-22
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Kazuki Fukushima
IPC: B60C11/03
CPC classification number: B60C11/03 , B60C2011/0344 , B60C2011/0346 , B60C2200/10
Abstract: A tyre includes a crown main groove formed by unit patterns. Each of the unit patterns includes a first inclined element, a second inclined element, a first bent element, and a second bent element. The first inclined element extends obliquely. The second inclined element extends obliquely in a direction opposite to the first inclined element. The first bent element extends so as to connect between the first inclined element and the second inclined element. The second bent element is connected with the second inclined element. The first bent element is bent so as to be convex toward the first tread edge without having a component extending in parallel with the tyre circumferential direction. The second bent element is bent so as to be convex toward the second tread edge without having the component extending in parallel with the tyre circumferential direction.
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公开(公告)号：US11820174B2
公开(公告)日：2023-11-21
申请号：US17499066
申请日：2021-10-12
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Ryota Uotani , Tatsuya Kobayashi
CPC classification number: B60C11/01 , B60C11/1272 , B60C11/1376 , B60C11/1392 , B60C2011/1213 , B60C2011/1245
Abstract: A tire comprises a tread portion comprising a shoulder land region provided with shoulder lateral grooves and circumferential sipes connecting between the shoulder lateral grooves. The shoulder lateral grooves are each provided with a chamfer. The circumferential sipes are each spaced apart from an axially inner end of the shoulder land region by an axial distance of from 30% to 100% of an axial width of the shoulder land region. The depths of the circumferential sipes are equal to or greater than the groove depths of the shoulder lateral grooves.
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公开(公告)号：US11819749B2
公开(公告)日：2023-11-21
申请号：US17027357
申请日：2020-09-21
Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
Inventor： Kousuke Okazaki , Masahiko Ueda , Yuto Nakamura
CPC classification number: A63B69/36 , A63B24/0006 , A63B2220/05 , A63B2220/20 , A63B2220/34 , A63B2220/40 , A63B2220/62 , A63B2220/807 , A63B2220/833 , A63B2225/50
Abstract: Provided is a fitting apparatus configured to acquire measurement data obtained by measuring a swing action of a test club by a golfer, calculate one or more first indices representing an amount of change in an openness of a face surface of a head included in the test club at a time of the swing action based on the measurement data, calculate one or more second indices representing a characteristic of the swing action based on the measurement data, select a balance of a golf club suitable for the golfer, according to the one or more first indices, select at least one of a weight and a moment of inertia of a golf club suitable for the golfer, according to the one or more second indices, and select a golf club having the balance and the at least one of the weight and the moment of inertia.
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公开(公告)号：US20230364478A1
公开(公告)日：2023-11-16
申请号：US18227455
申请日：2023-07-28
Applicant: Sumitomo Rubber Industries, Ltd.
Inventor： Anthony Munson , Jacob Lambeth , Dustin Brekke
CPC classification number: A63B53/047 , A63B53/005 , A63B53/042 , A63B53/0433 , A63B53/0408 , A63B53/0462 , A63B53/08 , A63B2053/0491 , A63B2053/0479
Abstract: An iron-type golf club head includes a striking face comprising a face center and a variable face thickness such that the striking face has a perimeter region proximate an outer boundary of the striking face and a maximum thickness of the striking face located in the perimeter region. A shell of the golf club head includes a crown, a sole opposite the crown, a heel, a toe, and an internal weight pad located on a lower portion of the shell. A moment of inertia about a vertical axis through the center of gravity of the golf club head is at least 2900 g*cm2. In another aspect, the striking face includes a center region having a first thickness T1, an intermediate region surrounding the center region having a second thickness T2, and a perimeter region surrounding the intermediate region having a third thickness T3, and T2
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