公开(公告)号：WO2023278595A1

公开(公告)日：2023-01-05

申请号：PCT/US2022/035546

申请日：2022-06-29

申请人： MITSUBISHI CHEMICAL AMERICA, INC.

发明人： BORETTO, Tod ,  GREENWOOD, Stephen ,  NUTTALL, Zane ,  WOJTYSIAK, Alex

IPC分类号： A63B53/10 ,  A63B53/02 ,  A63B60/08 ,  A63B53/00 ,  A63B53/12 ,  A63B2209/02 ,  A63B53/005

摘要： Various embodiments of a two-piece golf shaft are provided, which include a hollow upper section, a hollow or solid lower section formed from an injection-molded chopped carbon fiber/thermoplastic material, and a coupling insert configured to join the lower section to the upper section (and, optionally, to the golf club head as well).