Fluid or liquid filled non-wound golf ball
US5683312A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 1996 |
| Grant date | Nov 4, 1997 |
| Priority date | — |
| Expiry date | Mar 11, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/545
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A golf ball having a diameter of approximately 1.68 to 1.90 inches and comprising: PA1 a fluid mass at the center of the ball; PA1 a first, solid, non-wound mantle layer surrounding the fluid mass comprised of a polymer material selected from the group of thermoset rubber material, thermoplastic elastomeric material and plastic and having an inner diameter in the range of 30 to 70% of the ball diameter; PA1 a second, solid, non-wound mantle layer surrounding and abutting the first mantle layer and being a polymer material selected from the group of thermoset rubber material and thermoplastic elastomeric material and having an outer diameter in the range of 80 to 98% of the ball diameter, a hardness of approximately 30 to 95 Shore C and a resiliency greater than 40 bashore; and PA1 a cover surrounding the second mantle layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.