公开(公告)号：EP3075420B1

公开(公告)日：2018-07-25

申请号：EP16166354.7

申请日：2013-05-28

申请人： Mitsubishi Chemical Corporation

发明人： SHIMONO, Satoshi ,  KANEKO, Takashi ,  KISHI, Masahiro

IPC分类号： A63B53/10 ,  A63B59/00

CPC分类号： A63B53/10 ,  A63B60/00 ,  A63B60/42 ,  A63B2209/023

摘要： A golf club shaft which satisfies strength and is lightweight is provided by the present invention. This golf club shaft comprises one or more fiber-reinforced resin layers, and is characterized by satisfying the following relationship (1), wherein x [mm] is the displacement in a cantilever bending test, M [g] is the mass of the golf club shaft, and L [mm] is the length thereof, and by satisfying the following strength standard values [1]-[4]: M×(L/1168)

公开(公告)号：EP2891508B1

公开(公告)日：2018-04-25

申请号：EP13833534.4

申请日：2013-08-29

申请人： Mitsubishi Chemical Corporation

发明人： SHIMONO, Satoshi ,  KANEKO, Takashi

IPC分类号： A63B53/10 ,  A63B59/00

CPC分类号： A63B53/10 ,  A63B60/42 ,  A63B2060/0081

摘要： The present invention provides a high-balance-point shaft capable of increasing ball speed. A golf club shaft formed by laminating fiber-reinforced resin, wherein the balance point obtained by formula below is set to be 53% or higher; and the kickpoint obtained by formula below is set to be 44% or higher.