Invention Grant
- Patent Title: Golf ball
- Patent Title (中): 高尔夫球
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Application No.: US12647127Application Date: 2009-12-24
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Publication No.: US08399564B2Publication Date: 2013-03-19
- Inventor: Satoko Okabe
- Applicant: Satoko Okabe
- Applicant Address: JP Kobe
- Assignee: SRI Sports Limited
- Current Assignee: SRI Sports Limited
- Current Assignee Address: JP Kobe
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2008-335262 20081226
- Main IPC: A63B37/00
- IPC: A63B37/00 ; A63B37/08 ; C08L77/00

Abstract:
An object of the present invention is to provide a golf ball providing a great distance. The present invention provides a golf ball comprising: a core consisting of a center and one or more intermediate layers covering the center; and a cover covering the core, wherein at least one of said intermediate layers is formed from a high fluidity intermediate layer composition that contains (A) a polyamide resin composition having a flexural modulus in a range from 500 MPa to 4,000 MPa and a melt flow rate (240° C., 2.16 kg) of 5.0 g/10 min or more, and (B) at least one member selected from the group consisting of an ethylene-(meth)acrylic acid binary copolymer, a metal-neutralized product of the binary copolymer, an ethylene-(meth)acrylic acid-(meth)acrylic acid ester ternary copolymer, and a metal-neutralized product of the ternary copolymer.
Public/Granted literature
- US20100167842A1 GOLF BALL Public/Granted day:2010-07-01
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