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    • 2. 发明专利
    • Rubber composition for golf ball
    • 高尔夫球用橡胶组合物
    • JP2013108077A
    • 2013-06-06
    • JP2012248194
    • 2012-11-12
    • Bridgestone Sports Co Ltdブリヂストンスポーツ株式会社Bridgestone Corp株式会社ブリヂストン
    • OZAWA YUICHIRONAKAJIMA RETSUJIYAMAGATA YUSUKEMORI TEPPEIIWAI TAKAHIRO
    • C08L9/00A63B37/00C08K5/09C08K5/14C08K5/18
    • C08K5/098C08K5/18C08L21/00
    • PROBLEM TO BE SOLVED: To provide a rubber composition for a golf ball, capable of providing a crosslinked molding having an enhanced resilience and a reasonable hardness by reviewing various types of additives to be blended in the rubber composition.SOLUTION: The rubber composition for a golf ball contains (A) a base material rubber containing a polybutadiene containing ≥60 mass% of a cis-1,4-bond, (B) an unsaturated carboxylic acid and/or its metal salt, and (C) a diphenylamine represented by formula (1), wherein Rand Rare a hydrogen atom or a 1-20C hydrocarbon group; and m is an integer of 1 to 5, n is an integer of 1 to 4, provided that when m and/or n is ≥2, n and m may be identical or different. The present invention can provide a crosslinked molding having a reasonable hardness, a high resilience and a high quality. Application thereof particularly to a material of a one-piece golf ball or a solid core material of a multilayer solid golf ball can provide a high initial velocity, an elongated carry and a good hitting feeling.
    • 要解决的问题:提供一种用于高尔夫球的橡胶组合物,其能够通过回顾在橡胶组合物中混合的各种添加剂来提供具有增强的弹性和合理的硬度的交联模制品。 解决方案:高尔夫球用橡胶组合物含有(A)含有含有≥60质量%的顺式-1,4-键的聚丁二烯的基材橡胶,(B)不饱和羧酸和/或其金属 盐和(C)由式(1)表示的二苯胺,其中R 2 和R 2 是氢原子或 1-20C烃基; m为1〜5的整数,n为1〜4的整数,条件是当m和/或n为≥2时,n和m可以相同或不同。 本发明可以提供具有合理的硬度,高弹性和高质量的交联模制品。 尤其适用于单件高尔夫球或多层固体高尔夫球的固体芯材料的材料可以提供高的起始速度,细长的携带和良好的打击感。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Golf ball manufacturing method
    • 高尔夫球制造方法
    • JP2013094668A
    • 2013-05-20
    • JP2012230428
    • 2012-10-18
    • Bridgestone Sports Co Ltdブリヂストンスポーツ株式会社
    • NAKAJIMA RETSUJIOHIRA TAKASHINAKAGAWA TAKUMA
    • A63B45/00
    • A63B45/00A63B37/0003A63B37/0022A63B37/0074A63B2207/00B05D1/02B05D5/061
    • PROBLEM TO BE SOLVED: To provide a golf ball manufacturing method for efficiently manufacturing very stylish golf balls having a highly transparent cover without detriment to coloration.SOLUTION: The method of manufacturing golf balls having a highly transparent cover includes, prior to formation of the cover, a preformed body fabricating step wherein a fluorescent material that has a white color under ordinary visible light and emits light when exposed to ultraviolet radiation is included in or coated onto the preformed body. In this way, a preformed body which matches a cover to be formed can be easily and reliably identified from among a plurality of types of preformed bodies which are stored at a temporary storage place and fluoresces when exposed to ultraviolet radiation. This manufacturing method enables golf balls of excellent visibility and stylishness to be efficiently produced.
    • 要解决的问题:提供一种高尔夫球制造方法,用于有效地制造具有高透明盖的非常时尚的高尔夫球,而不损害着色。 解决方案:制造具有高度透明盖的高尔夫球的方法包括:在形成盖之前,预成型体制造步骤,其中荧光材料在普通可见光下具有白色并在暴露于紫外线时发光 辐射被包含在或涂覆在预成型体上。 以这种方式,能够容易且可靠地从存储在临时存储处的预先形成的多个预制体中识别出与要形成的盖相匹配的预制体,并且在暴露于紫外线时发荧光。 这种制造方法能够有效地制造具有优异的可视性和时尚性的高尔夫球。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Golf ball
    • 高尔夫球
    • JP2013230365A
    • 2013-11-14
    • JP2013093309
    • 2013-04-26
    • Bridgestone Sports Co Ltdブリヂストンスポーツ株式会社
    • NAKAJIMA RETSUJITABATA KAZUFUMIOZAWA YUICHIROOHIRA TAKASHIHIGUCHI HIROSHI
    • A63B37/00A63B37/04
    • A63B37/0075A63B37/0003A63B37/0031A63B37/0033A63B37/0043A63B37/0045A63B37/0051A63B37/0062A63B37/0063A63B37/0064A63B37/0076A63B37/0081A63B37/0084A63B37/0096C08K5/14C08L21/00
    • PROBLEM TO BE SOLVED: To provide a golf ball which achieves satisfactory distances both on shots with drivers and on shots with middle irons used by professional golfers and skilled amateurs, and which also has excellent durability to cracking when repeatedly struck.SOLUTION: The invention provides a golf ball having a core and a cover of at least one layer. The core has a cross-sectional hardness which, letting (H) be a JIS-C hardness at a position 14 mm in from a surface toward a center of the core, (H) be a JIS-C hardness at a position 8 mm in from the surface toward the center of the core, (H) be a JIS-C hardness at a position 6 mm in from the surface toward the center of the core, and (H) be a JIS-C hardness at a position 4 mm in from the surface toward the center of the core, satisfies the formulas (1) H 8. The golf ball achieves in particular satisfactory distances, both on shots with drivers and on shots with middle irons such as a number six iron (I#6) used by professional golfers and skilled amateurs, and also exhibits an improved durability to cracking when repeatedly struck.
    • 要解决的问题:提供一种高尔夫球,其具有与驾驶员的射击以及专业高尔夫球手和熟练业余爱好者使用的中间熨斗的射击的令人满意的距离,并且在重复打击时也具有优异的耐破裂性。解决方案:本发明提供 具有芯和至少一层的盖的高尔夫球。 芯部具有横截面硬度,(H)在从芯的表面向中心的14mm的位置处为JIS-C硬度,(H)为8mm的JIS-C硬度 (H)为从芯的表面向中心6mm的位置处的JIS-C硬度,(H)为位置4的JIS-C硬度 满足公式(1)H <70,(2)H <72,(3)H <75和(4)HH> 8。 高尔夫球实现了特别令人满意的距离,无论是驾驶员射击,还有中间铁杆,如专业高尔夫球手和技术熟练的业余爱好者使用的六号铁(I#6),以及反复击打时耐磨性提高 。
    • 7. 发明专利
    • ゴルフボール
    • 高尔夫球
    • JP2015047502A
    • 2015-03-16
    • JP2014171945
    • 2014-08-26
    • ブリヂストンスポーツ株式会社Bridgestone Sports Co Ltd
    • NAKAJIMA RETSUJIOZAWA YUICHIRO
    • A63B37/00
    • A63B37/0051A63B37/006A63B37/0063A63B37/0065A63B37/0066A63B37/0068A63B37/0074A63B37/0075A63B37/0076C08L21/00
    • 【課題】経時的に反発性の低下が少なく、エネルギーロスの少ないコア材料を得ることができ、これにより、反発性を良好に維持し、低スピン化により飛距離を伸ばすことができ、耐久性に優れているゴルフボールを提供する。【解決手段】コアと1層または複数層のカバーを有するゴルフボールにおいて、コアが、(A)基材ゴム、(B)有機過酸化物、および(C)水及び/又はモノカルボン酸金属塩の(A)〜(C)成分を配合するゴム組成物の加熱成形物により形成されるものであり、コア表面とコア中心との架橋密度の差P(mol/m3)と、初期荷重98N(10kgf)を負荷した状態から終荷重1275N(130kgf)に負荷した時までのコアのたわみ量E(mm)の積(P?E)が28?102mol/m3・mm以上である。【選択図】なし
    • 要解决的问题:为了提供一种高弹球,可以获得具有较少的弹性退化退化和具有较少能量损失的芯材的高尔夫球,并且由此可以适当地保持弹性,通过低长度的携带 旋转,并且具有极好的耐久性物质。解决方案:在具有芯和一层或多层盖的高尔夫球中,通过混合(A)至(C)成分的橡胶组合物的热模塑形成芯部 :(A)基础橡胶,(B)有机过氧化物和(C)水和/或单羧酸金属盐。 核心表面和芯心中心之间的交联密度差P(mol / m)与负载初始载荷98N的状态下的芯的挠度E(mm)乘以(N×10) kgf),直到加载结束负荷1275N(130kgf)​​的时间不小于28×10mol / mmm。
    • 9. 发明专利
    • Rubber composition for golf ball
    • 高尔夫球用橡胶组合物
    • JP2013108080A
    • 2013-06-06
    • JP2012248222
    • 2012-11-12
    • Bridgestone Sports Co Ltdブリヂストンスポーツ株式会社Bridgestone Corp株式会社ブリヂストン
    • OZAWA YUICHIRONAKAJIMA RETSUJIMORI TEPPEIYAMAGATA YUSUKEIWAI TAKAHIRO
    • C08L9/00A63B37/00A63B37/04C08K5/09C08K5/14C08K5/378
    • C08K5/098C08K5/09C08K5/56C08L9/00
    • PROBLEM TO BE SOLVED: To provide a rubber composition for a golf ball, capable of providing a crosslinked molding having an enhanced resilience and a reasonable hardness by reviewing various types of additives to be blended in the rubber composition.SOLUTION: The rubber composition for a golf ball contains (A) a base material rubber containing a polybutadiene containing ≥60 mass% of a cis-1,4-bond, (B) an unsaturated carboxylic acid and/or its metal salt, and (C) a benzimidazole represented by formula (1), wherein Rand Rare a hydrogen atom or a 1-20C hydrocarbon group; m is an integer of 1 to 4; and n is an integer of 1 to 4, provided that when m and/or n is ≥2, n and m may be identical or different. The present invention can provide a crosslinked molding having a reasonable hardness, a high resilience and a high quality. Application thereof particularly to a material of a one-piece golf ball or a solid core material of a multilayer solid golf ball can provide a high initial velocity, an elongated carry and a good hitting feeling.
    • 要解决的问题:提供一种用于高尔夫球的橡胶组合物,其能够通过回顾在橡胶组合物中混合的各种添加剂来提供具有增强的弹性和合理的硬度的交联模制品。 解决方案:高尔夫球用橡胶组合物含有(A)含有含有≥60质量%的顺式-1,4-键的聚丁二烯的基材橡胶,(B)不饱和羧酸和/或其金属 盐和(C)由式(1)表示的苯并咪唑,其中R 2 和R 2 是氢原子或 1-20C烃基; m为1〜4的整数。 并且n为1〜4的整数,条件是当m和/或n为≥2时,n和m可以相同或不同。 本发明可以提供具有合理的硬度,高弹性和高质量的交联模制品。 尤其适用于单件高尔夫球或多层固体高尔夫球的固体芯材料的材料可以提供高的起始速度,细长的携带和良好的打击感。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Rubber composition for golf ball
    • 高尔夫球用橡胶组合物
    • JP2013108076A
    • 2013-06-06
    • JP2012248188
    • 2012-11-12
    • Bridgestone Sports Co Ltdブリヂストンスポーツ株式会社Bridgestone Corp株式会社ブリヂストン
    • OZAWA YUICHIRONAKAJIMA RETSUJIMORI TEPPEIYAMAGATA YUSUKEIWAI TAKAHIRO
    • C08L9/00C08K5/09C08K5/14C08K5/405
    • C08K5/405C08K5/098C08L21/00
    • PROBLEM TO BE SOLVED: To provide a rubber composition for a golf ball, capable of providing a crosslinked molding having an enhanced resilience and a reasonable hardness by reviewing various types of additives to be blended in the rubber composition.SOLUTION: The rubber composition for a golf ball contains (A) a base material rubber containing a polybutadiene containing ≥60 mass% of a cis-1,4-bond, (B) an unsaturated carboxylic acid and/or its metal salt, and (C) a thiourea represented by formula (1), wherein R may be identical or different, and are each a hydrogen atom or a 1-20C hydrocarbon group. The present invention can provide a crosslinked molding having a reasonable hardness, a high resilience and a high quality. Application thereof particularly to a material of a one-piece golf ball or a solid core material of a multilayer solid golf ball can provide a high initial velocity, an elongated carry and a good hitting feeling.
    • 要解决的问题:提供一种用于高尔夫球的橡胶组合物,其能够通过回顾在橡胶组合物中混合的各种添加剂来提供具有增强的弹性和合理的硬度的交联模制品。 解决方案:高尔夫球用橡胶组合物含有(A)含有含有≥60质量%的顺式-1,4-键的聚丁二烯的基材橡胶,(B)不饱和羧酸和/或其金属 盐和(C)由式(1)表示的硫脲,其中R可以相同或不同,并且各自为氢原子或1-20C烃基。 本发明可以提供具有合理的硬度,高弹性和高质量的交联模制品。 尤其适用于单件高尔夫球或多层固体高尔夫球的固体芯材料的材料可以提供高的起始速度,细长的携带和良好的打击感。 版权所有(C)2013,JPO&INPIT