Title:
GOLF SHAFT
Document Type and Number:
WIPO Patent Application WO/2020/129387
Kind Code:
A1
Abstract:
Provided is a golf shaft that can provide a good feeling at impact with a ball and guarantee bending rigidity for a golf club with a composite shaft of 50g to 130g. This golf shaft comprises a metal tube 3, a fiber reinforced plastic outer layer 7 that covers the outer circumference of the tube 3 over the entire area of the tube 3 in the axial direction, and an adhesive layer 9 that is interposed between the tube 3 and the outer layer 7 and bonds the tube 3 and the outer layer 7. The entire weight including the tube 3, the outer layer 7, and the adhesive layer 9 is 50g to 130g, and the weight of the tube 3 is 50% to 90% of the entire weight.
Inventors:
FUJIWARA KOSUKE (JP)
INOUE AKIHISA (JP)
INOUE AKIHISA (JP)
Application Number:
PCT/JP2019/041117
Publication Date:
June 25, 2020
Filing Date:
October 18, 2019
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
A63B53/12; A63B53/10; A63B102/32
Foreign References:
| JPS5894867A | 1983-06-06 | |||
| JPS62128563U | 1987-08-14 |
Attorney, Agent or Firm:
SUDO Yuichi et al. (JP)
Download PDF:
Previous Patent: SIDE AIRBAG DEVICE, VEHICLE SEAT PROVIDED WITH SAME, AND METHOD FOR MANUFACTURING SIDE AIRBAG DEVICE
Next Patent: ACCELERATION DEVICE
Next Patent: ACCELERATION DEVICE