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    • 12. 发明授权
    • Golf club head
    • 高尔夫球杆头
    • US07935003B2
    • 2011-05-03
    • US12178069
    • 2008-07-23
    • Hideo MatsunagaHiroshi TakahashiMakoto Kubota
    • Hideo MatsunagaHiroshi TakahashiMakoto Kubota
    • A63B53/04
    • A63B53/0466A63B2053/0408A63B2053/0416A63B2053/0462
    • A golf club head includes a face member having a ball-striking face and an oval thick portion positioned in a central portion of the ball-striking face. The oval thick portion has an oval shape having recesses formed by recessing both sides in a major axis direction in an arc-shaped fashion. The recesses are directed to a toe-side upper portion and a heel-side lower portion. The thickness of the thick portion becomes thickest at a central portion and is gradually reduced from the central portion towards the periphery. The face member is formed such that a portion outside the thick portion is thinner than the thick portion. An occupancy rate of the oval thick portion in the ball-striking face is in a range of 25 to 45%.
    • 高尔夫球杆头包括具有击球面和位于击球面的中心部分的椭圆形厚部的面部构件。 椭圆形的厚壁部具有椭圆形状,具有通过以弧形方式在长轴方向上使两侧凹陷而形成的凹部。 凹部被引导到脚趾侧上部和后跟侧下部。 厚部的厚度在中央部分变厚,并从中心部朝向周边逐渐减小。 面部构件形成为使得厚壁部分之外的部分比厚壁部分薄。 打击面中的椭圆形厚部的占有率在25〜45%的范围内。
    • 13. 发明授权
    • Golf club head
    • 高尔夫球杆头
    • US08187118B2
    • 2012-05-29
    • US12904776
    • 2010-10-14
    • Hideo MatsunagaHiroshi TakahashiMakoto Kubota
    • Hideo MatsunagaHiroshi TakahashiMakoto Kubota
    • A63B53/04
    • A63B53/0466A63B2053/0408A63B2053/0416A63B2053/0462
    • A golf club head includes a face member having a ball-striking face and an oval thick portion positioned in a central portion of the ball-striking face. The oval thick portion has an oval shape having recesses formed by recessing both sides in a major axis direction in an arc-shaped fashion. The recesses are directed to a toe-side upper portion and a heel-side lower portion. The thickness of the thick portion becomes thickest at a central portion and is gradually reduced from the central portion towards the periphery. The face member is formed such that a portion outside the thick portion is thinner than the thick portion. An occupancy rate of the oval thick portion in the ball-striking face is in a range of 25 to 45%.
    • 高尔夫球杆头包括具有击球面和位于击球面的中心部分的椭圆形厚部的面部构件。 椭圆形的厚壁部具有椭圆形状,具有通过以弧形方式在长轴方向上使两侧凹陷而形成的凹部。 凹部被引导到脚趾侧上部和后跟侧下部。 厚部的厚度在中央部分变厚,并从中心部朝向周边逐渐减小。 面部构件形成为使得厚壁部分之外的部分比厚壁部分薄。 打击面中的椭圆形厚部的占有率在25〜45%的范围内。
    • 14. 发明申请
    • GOLF CLUB HEAD
    • 高尔夫俱乐部头
    • US20110028243A1
    • 2011-02-03
    • US12904776
    • 2010-10-14
    • Hideo MATSUNAGAHiroshi TakahashiMakoto Kubota
    • Hideo MATSUNAGAHiroshi TakahashiMakoto Kubota
    • A63B53/04
    • A63B53/0466A63B2053/0408A63B2053/0416A63B2053/0462
    • A golf club head includes a face member having a ball-striking face and an oval thick portion positioned in a central portion of the ball-striking face. The oval thick portion has an oval shape having recesses formed by recessing both sides in a major axis direction in an arc-shaped fashion. The recesses are directed to a toe-side upper portion and a heel-side lower portion. The thickness of the thick portion becomes thickest at a central portion and is gradually reduced from the central portion towards the periphery. The face member is formed such that a portion outside the thick portion is thinner than the thick portion. An occupancy rate of the oval thick portion in the ball-striking face is in a range of 25 to 45%.
    • 高尔夫球杆头包括具有击球面和位于击球面的中心部分的椭圆形厚部的面部构件。 椭圆形的厚壁部具有椭圆形状,具有通过以弧形方式在长轴方向上使两侧凹陷而形成的凹部。 凹部被引导到脚趾侧上部和后跟侧下部。 厚部的厚度在中央部分变厚,并从中心部朝向周边逐渐减小。 面部构件形成为使得厚壁部分之外的部分比厚壁部分薄。 打击面中的椭圆形厚部的占有率在25〜45%的范围内。