Title:
MULTI-LAYER CORE GOLF BALL
Document Type and Number:
Japanese Patent JP2005111242
Kind Code:
A
Abstract:
To provide a multi-layer core golf ball which enables the optimization of the distribution of rigidity and specified weight while having the improved playing features having a moisture barrier function.
This multi-core golf ball comprises a center, a cover and at least two core layers which are formed by surrounding the center to form an internal ball. The outermost side layer is relatively hard as compared with the center. One outermost side layer is filled heavily with a density intensifying material and at least one core layer functions as a steam barrier. One core layer may perform all functions available in a single layer.
Inventors:
SULLIVAN MICHAEL J
LADD DEREK A
DESIMAS ANTONIO U
LADD DEREK A
DESIMAS ANTONIO U
Application Number:
JP2004005458A
Publication Date:
April 28, 2005
Filing Date:
January 13, 2004
Export Citation:
Assignee:
ACUSHNET CO
International Classes:
A63B37/00; A63B37/04; (IPC1-7): A63B37/00; A63B37/04
Attorney, Agent or Firm:
Toshio Sawada
Masaaki Miyata
Eiji Yamada
Masaaki Miyata
Eiji Yamada