Multi-core, multi-cover golf ball
US5779562A · kind A · utility
338Cited by
28References
18Claims
0Family size
Inventors
Key dates
| Filing date | Apr 29, 1997 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Apr 29, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/04
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A solid golf ball comprising a solid core and a cover enclosing the core. The core includes a center core layer and an outer core layer enclosing the center core layer, the center core layer having a specific gravity that differs from the specific gravity of the outer core layer by more than 0.1. The cover includes an inner cover layer formed over the core and an outer cover layer enclosing the inner cover layer, the outer cover layer having a Shore D hardness less than that of the inner core layer and no more than 55.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.