Multi-layer golf ball with reaction injection molded polyurethane component
US6663508B1 · kind B1 · utility
13Cited by
157References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2000 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Dec 3, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed herein is a multi-layer golf ball having a soft outer cover. The golf ball has a core, one or more mantle or inner cover layers with a Shore D hardness of 60 or more, and an outer cover with a Shore D hardness of 53 or less. In a particularly preferred form of the invention, the inner and/or outer cover layers comprise a reaction injection molded polyurethane. 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.