Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COLOR GOLF BALL
Document Type and Number:
Japanese Patent JP2012035037
Kind Code:
A
Abstract:

To provide a golf ball which has weatherability and prevents color change, has reassuring and psychologically calming effect on a golfer during play, and has suitable feel.

The golf ball is two-piece structure composed of a core and a cover, the surface of the ball is coated with a coating comprising a pearlescent pigment, and the ball satisfies the following conditions (i-viii): (i) a color difference ΔE* between the core and the ball of at least 30; (ii) the core has a transparency which is up to 10% in terms of total transmittance and up to 1.0% in terms of parallel transmittance; (iii) the core has a lightness L* value, expressed in the L*a*b* color system based on JIS Z8729, of at least 82; (iv) the ball has a lightness L* value of at least 50; (v) the lightness L* value of the ball≤the lightness L* value of the core; (vi) the cover has a thickness of from 0.1 to 2.1 mm; (vii) the cover has a transparency which is at least 50% in terms of total transmittance and at least 1.0% in terms of parallel transmittance; and (viii) the cover has a haze (H), mentioned in JIS K7105 (1981), of up to 98.


Inventors:
KOMATSU ATSUSHI
NASU DAISHI
Application Number:
JP2010201719A
Publication Date:
February 23, 2012
Filing Date:
September 09, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BRIDGESTONE SPORTS CO LTD
International Classes:
A63B43/06; A63B37/00; A63B37/14
Domestic Patent References:
JPS58218977A1983-12-20
JPS6088567A1985-05-18
JP2007021205A2007-02-01
JP2010012250A2010-01-21
Attorney, Agent or Firm:
Takashi Kojima
Saori Shigematsu
Katsunari Kobayashi
Takeshi Ishikawa