Two piece solid golf ball
US4570937A · kind A · utility
178Cited by
0References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 13, 1983 |
| Grant date | Feb 18, 1986 |
| Priority date | — |
| Expiry date | Sep 13, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0084
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A two piece solid golf ball having a high impact resilience and an excellent durability, comprising a solid core and a cover, said solid core having a particular hardness distribution such that the hardnesses measured by a JIS-C hardness tester are from 72 to 78 at the surface, from 77 to 83 at the position "A", 5 mm. apart from the surface, from 72 to 80 at the position "B", 10 mm. apart from the surface, from 67 to 75 at the position "C", 15 mm. apart from the surface, and not more than 75 at the residual center portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.