Process of making a golf club shaft
US5814268A · kind A · utility
27Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1996 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Dec 23, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/5227
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Process for manufacturing a golf club shaft made of composite materials, including the successive steps of fitting a tubular, flexible impermeable bladder around a rigid mandrel whose length is at least equal to the length of the shaft to be produced, dressing the mandrel with a composite structure comprising fibers impregnated with a synthetic resin matrix, placing the mandrel in the mold, and then carrying out a mold operation by applying at least one internal pressure exerted by feeding a fluid inside the bladder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.