Multi-piece solid golf ball
US6174247A · kind A · utility
48Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1998 |
| Grant date | Jan 16, 2001 |
| Priority date | — |
| Expiry date | Aug 10, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0035
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A multi-piece solid golf ball comprises a solid core and a cover of two inner and outer layers surrounding the core. The solid core has a distortion of at least 2.4 mm under an applied load of 100 kg. The inner cover layer is formed mainly of an ionomer resin to a Shore D hardness of 28-58, and the outer cover layer is formed mainly of a thermoplastic polyester elastomer to a Shore D hardness of 28-55.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.