Method of manufacturing a golf club shaft
US5178711A · kind A · utility
Inventor
Key dates
| Filing date | Dec 31, 1991 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Dec 31, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/5227
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a method of manufacturing a golf club shaft and in particular to one including steps of prefabricating a conical tubular member having a larger end and a smaller end, connecting a handle grip with the larger end of the conical tubular member, and inserting a blowing tube into the handle grip and the conical tubular member for blowing pressurized gas into the handle grip and conical tubular member to harden the connection between the conical tubular member and the handle grip, whereby the golf club shaft is of sturdy strength and the handle grip will not be detached from the golf club shaft inadvertently.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.