Method of making a continous fiber reinforced resin transfer molded frame for a game racquet
US5540877A · kind A · utility
30Cited by
23References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1994 |
| Grant date | Jul 30, 1996 |
| Priority date | — |
| Expiry date | Feb 24, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/5245
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A frame for a game racquet such as a tennis racquet is formed by winding a resin-free filament over a mandrel to form a tube, inserting the wound tube into a mold, and injecting resin into the mold. The resin cures in the mold to form a rigid racquet frame
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.