Title:
アイオノマー製内側カバー、堅固なＴＰＵ製中間カバー、および注型熱硬化性外側カバーを具備するゴルフボール
Document Type and Number:
Japanese Patent JP5749443
Kind Code:
B2
Abstract:
A golf ball includes a core and a cover disposed adjacent the core. The cover includes a thermoplastic inner cover layer having a hardness between 55 and 60 Shore D; an outer cover layer having a hardness between 55 and 60 Shore D; and a non-ionomeric thermoplastic polyurethane or polyurea intermediate cover layer disposed between the inner and outer cover layers. The intermediate cover layer has a hardness greater than the inner cover layer hardness and the outer cover layer hardness. The inner cover is formed from a partially- or fully-neutralized ionomer and the outer cover layer is formed from a polyurethane, a polyurea, or a urethane-urea blend.
Inventors:
Michael Jay Sullivan
Brian Como
Mark El. Vignette
David A. Bullpet
Brian Como
Mark El. Vignette
David A. Bullpet
Application Number:
JP2010055368A
Publication Date:
July 15, 2015
Filing Date:
March 12, 2010
Export Citation:
Assignee:
ACUSHNET COMPANY
International Classes:
A63B37/00
Domestic Patent References:
| JP11004916A | ||||
| JP2005046613A | ||||
| JP2004298626A | ||||
| JP2004237112A | ||||
| JP2009034509A | ||||
| JP2006326301A |
Attorney, Agent or Firm:
Toshio Sawada
Masaaki Miyata
Eiji Yamada
Masaaki Miyata
Eiji Yamada