Multi-layer golf ball
US6638185B2 · kind B2 · utility
12Cited by
162References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2001 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Nov 5, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L101/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed herein is a multi-layer golf ball having a soft outer cover. The golf ball has an inner cover layer with a Shore D hardness of 60 or more, and an outer cover with a Shore D hardness of 55 or less, and more preferably 50 or less. In a particularly preferred form of the invention, the outer cover comprises one or more polyurethane materials. The golf ball of the invention has exceptionally soft feel and high spin rates on short shots of 80 yards or less and, particularly, 40 yards or less, while maintaining good distance and average spin on full shots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.