公开(公告)号：US20160184654A1

公开(公告)日：2016-06-30

申请号：US14979780

申请日：2015-12-28

Applicant: Dunlop Sports Co. Ltd.

Inventor： Yoshiko MATSUYAMA ,  Toshiyuki TARAO

IPC: A63B37/00 ,  A63B37/12

CPC classification number: A63B37/0074 ,  A63B37/0022 ,  A63B37/0096 ,  C08G18/10 ,  C08G18/246 ,  C08G18/3206 ,  C08G18/4854 ,  C08G18/5042 ,  C08G18/6677 ,  C08G18/722 ,  C08G18/792 ,  C09D175/08 ,  C08G18/12 ,  C08G18/7831 ,  C08G18/725

Abstract: An object of the present invention is to provide a golf ball showing excellent shot feeling and stain resistance. The present invention provides a golf ball comprising a golf ball body and a paint film formed on a surface of the golf ball body, wherein a base resin constituting the paint film includes a polyurethane obtained by a reaction between a polyol composition and a polyisocyanate composition, a molar ratio (NCO/OH) of an isocyanate group (NCO group) in the polyisocyanate composition to a hydroxyl group (OH group) in the polyol composition is 0.6 or more, and the paint film has an elastic modulus of 300 MPa or less.

Abstract translation: 本发明的目的是提供一种显示出优异的喷射感和防污性的高尔夫球。 本发明提供一种高尔夫球，其包括高尔夫球体和形成在高尔夫球体的表面上的漆膜，其中构成漆膜的基础树脂包括通过多元醇组合物和多异氰酸酯组合物之间的反应获得的聚氨酯， 多异氰酸酯组合物中的异氰酸酯基（NCO基）与多元醇组合物中的羟基（OH基）的摩尔比（NCO / OH）为0.6以上，涂膜的弹性模量为300MPa以下 。

公开(公告)号：US20160332033A1

公开(公告)日：2016-11-17

申请号：US15133763

申请日：2016-04-20

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yoshiko MATSUYAMA ,  Takahiro SAJIMA ,  Kohei MIMURA

IPC: A63B37/00 ,  A63B45/00

CPC classification number: A63B45/00 ,  A63B37/0022 ,  A63B37/0075 ,  A63B45/02 ,  A63B2209/00

Abstract: A golf ball according to the present invention includes a spherical core, a cover member including at least one layer that covers the core, and at least one coating layer that covers the cover member constituting an outermost layer. A plurality of dimples are formed in the cover member constituting the outermost layer. Roughness is formed on the surface of the coating layer. A maximum height Rz and an arithmetic average roughness Ra of the surface of the coating layer satisfy a relationship Rz≧Ra×6.0. The coating layer contains a lustrous material.

Abstract translation: 根据本发明的高尔夫球包括球形芯，包括至少一层覆盖芯的覆盖构件和覆盖构成最外层的覆盖构件的至少一个涂层。 在构成最外层的盖构件中形成多个凹坑。 在涂层的表面上形成粗糙度。 涂层表面的最大高度Rz和算术平均粗糙度Ra满足Rz≥Ra×6.0的关系。 涂层含有光泽材料。

公开(公告)号：US20160184649A1

公开(公告)日：2016-06-30

申请号：US14979929

申请日：2015-12-28

Applicant: Dunlop Sports Co. Ltd.

Inventor： Yoshiko MATSUYAMA

IPC: A63B37/00 ,  A63B43/00

CPC classification number: A63B37/0022 ,  A63B43/008 ,  A63B45/02 ,  C09D5/22

Abstract: An object of the present invention is to provide a golf ball showing both striking a good balance between the visibility and the weather resistance. The present invention provides a golf ball comprising a golf ball body and two or more paint film layers formed on a surface of the golf ball body, wherein the paint film layers comprises a first paint film layer containing an inorganic fluorescent agent but substantially not containing an ultraviolet absorber, and a second paint film layer containing an ultraviolet absorber but substantially not containing an inorganic fluorescent agent; and the second paint film layer is disposed inside the first paint film layer.

Abstract translation: 本发明的目的是提供一种高尔夫球，其显示出可见度和耐候性之间的良好平衡。 本发明提供一种高尔夫球，其包括高尔夫球体和形成在高尔夫球体的表面上的两个或更多个漆膜层，其中涂膜层包括含有无机荧光剂但基本上不含有 紫外线吸收剂和含有紫外线吸收剂但基本上不含无机荧光剂的第二漆膜层; 并且第二涂膜层设置在第一涂膜层内。

公开(公告)号：US20160096079A1

公开(公告)日：2016-04-07

申请号：US14875316

申请日：2015-10-05

Applicant: DUNLOP SPORTS CO. LTD.

Inventor： Yoshiko MATSUYAMA ,  Masatoshi YOKOTA ,  Hirokazu OKAMOTO ,  Kazuo YAGI

IPC: A63B37/00 ,  C09J163/00 ,  C09D175/04

CPC classification number: A63B37/0075 ,  A63B37/0033 ,  A63B37/0039 ,  A63B37/0064 ,  A63B37/0074 ,  A63B37/0076 ,  C08G18/4045 ,  C08G18/4054 ,  C08G18/4854 ,  C08G18/58 ,  C08L75/04 ,  C09D175/04 ,  C09J163/00

Abstract: An object of the present invention is to provide a golf ball showing improved durability by improving adhesion to a constituent member comprising a polyurethane in the golf ball. The present invention provides a golf ball comprising a center and n envelope layers (n is a natural number of 1 or more) covering the center, wherein at least one envelope layer is a polyurethane envelope layer comprising a polyurethane as a principal component, and the polyurethane envelope layer and a constituent member adjacent to the polyurethane envelope layer are adhered with an adhesive resin composition, and wherein the adhesive resin composition comprises a base material including a urethane polyol and an epoxy resin, and a curing agent including a polyamine compound, and a content of the urethane polyol in the base material is 5 mass % or more and less than 40 mass %.

Abstract translation: 本发明的目的是提供一种高尔夫球，其通过改善对包括高尔夫球中的聚氨酯的构成构件的粘附性而提高耐久性。 本发明提供一种高尔夫球，其包括覆盖中心的中心和n个包层（n为1以上的自然数），其中至少一个包层为包含聚氨酯为主要成分的聚氨酯包层， 聚氨酯外壳层和与聚氨酯外壳层相邻的构成部件用粘合剂树脂组合物粘合，并且其中粘合剂树脂组合物包括包含聚氨酯多元醇和环氧树脂的基材，以及包含多胺化合物的固化剂，和 基材中的氨基甲酸酯多元醇的含量为5质量％以上且小于40质量％。