Title:
HOLLOW SOLID GOLF BALL
Document Type and Number:
Japanese Patent JP3905593
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a golf ball which increases a carry, and gives excellent feeling at the time of hitting without decreasing repulsion characteristics by making a hollow solid golf ball comprising a hollow core and a core layer.
SOLUTION: This hollow solid golf ball is composed of a hollow cover 5 and a cover formed on the core, where the cover has two-layered cover constitution comprising an inner cover layer 3 and an outer cover layer 4. The hallow core 5 is composed of a hollow part 1 having a diameter of 5-22mm, and a hollow core outer layer 2 excluding the hollow part. The hollow core outer layer 2 is formed by vulcanized molding cis-1,4-polybutadiene rubber as base rubber, a metallic salt of a part or the whole unsaturated carboxylic acid, and a rubber composition containing an organic peroxide. The inner cover layer 3 contains a filler of high specific gravity and has specific gravity of 1-3.
Inventors:
Kiyoto Maruoka
Akihiro Nakahara
Kazuo Hochi
Masaya Tsunoda
Akihiro Nakahara
Kazuo Hochi
Masaya Tsunoda
Application Number:
JP4759097A
Publication Date:
April 18, 2007
Filing Date:
March 03, 1997
Export Citation:
Assignee:
sri sports corporation
International Classes:
A63B37/00; A63B37/04; A63B39/00; (IPC1-7): A63B37/00; A63B37/04; A63B39/00
Domestic Patent References:
| JP3063354U | ||||
| JP61290969A | ||||
| JP60145158A | ||||
| JP63056057U |
Attorney, Agent or Firm:
Aoyama Aoi
Muneo Yamamoto
Muneo Yamamoto
Previous Patent: REDUCTION GEAR AND SHEETS COUNTING DEVICE USING IT
Next Patent: FEED WATER PUMP WARMING UP METHOD
Next Patent: FEED WATER PUMP WARMING UP METHOD