Three-piece solid golf ball
US4848770A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 20, 1986 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Oct 20, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0084
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A non-wound three piece golf ball which includes a spherical center, an intermediate mantle of elastomeric material covering the center and a molded cover forming the outside surface of the ball. The golf ball has the performance and feel of a three-piece ball. The golf ball has physical specifications which include diameter, 1.680-1.695 inches; hardness (Shore C) 60-95; and coefficient of restitution 0.695-0.810. The center comprises 90-100 parts by weight cis-1, 4 polybutadiene, 20-35 parts by weight cross linking agent, and 10-30 parts by weight filler. The mantle comprises from 90-100 parts by weight cis-1, 4 polybutadiene, 0-10 parts by weight natural rubber, 35-40 parts by weight cross-linking agent and 1-4 parts by weight filler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.