Metal wood golf club with permanently attached internal gates
US5346218A · kind A · utility
76Cited by
10References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1993 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Sep 28, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/08
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A metal wood golf clubhead is formed from a mold which includes an external gate into which molten metal is poured and internal gates in the mold cavity which facilitate flow of the molten metal into all portions of the mold cavity. The internal gates are located in the portion of the mold cavity which forms the interior surface of the top of the clubhead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.