Multi-piece solid golf ball
US6248028A · kind A · utility
43Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1998 |
| Grant date | Jun 19, 2001 |
| Priority date | — |
| Expiry date | Aug 7, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0075
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A multi-piece solid golf ball featuring an increased flight distance, superior control, good feeling, and improved durability is provided. A multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers surrounding the core is characterized in that the solid core has a distortion of at least 2.7 mm under an applied load of 100 kg, the inner cover layer is formed mainly of a thermoplastic polyester elastomer to a Shore D hardness of 28-58, and the outer cover layer is formed mainly of a thermoplastic polyurethane elastomer to a Shore D hardness of 30-55.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.