Back to results
US 2020/0047036 A1Published application
Multi-layer golf ball
AssigneeAcushnet Company
InventorMichael J. Sullivan
Life of this patent
Estimating the term…
Abstract
Multi-piece golf balls having a multi-layered solid core and multi-layered cover are provided.
Claims9
A golf ball consisting essentially of:
- an inner core layer formed from a thermoplastic composition and having a center hardness (Hcenter) of 60 Shore C or greater, and an outer surface hardness (Hcenter surface) of 80 Shore C or greater;
- an outer core layer formed from a highly neutralized polymer composition and having a material hardness (Houter core material) of 35 Shore D or greater;
- an inner cover layer formed from a thermoplastic composition having a material hardness (Hinner cover material) of 95 Shore C or less;
- an intermediate cover layer formed from a thermoplastic composition having a material hardness (Hintermediate cover material) of from 80 Shore C or greater;
- and
- an outer cover layer formed from a composition selected from the group consisting of ionomeric and non-ionomeric E/X- and E/X/Y-type acid copolymers of ethylene (E), a C3-C8 α,β-ethylenically unsaturated carboxylic acid (X), and an optional softening monomer (Y);
- and blends of two or more thereof.
4 more elements
Dependencies are inferred from the claim text.