Golf ball with dual cover
US6793593B2 · kind B2 · utility
16Cited by
25References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2003 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Feb 27, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed herein is a multi-layer golf ball having a core, an inner cover layer comprising an ionomer and having Shore D hardness of about 65 or less, and an outer cover layer comprising an ionomer and having a Shore D hardness of at least 60. The outer cover layer is harder than the inner cover layer. The core preferably comprises a high molecular weight polybutadiene that exhibits an ultra high Mooney viscosity. The sum of the thickness of the inner cover layer and the thickness of the outer cover layer is greater than 0.090 inches. A method of making the golf ball also is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.