US2002055399A1PendingUtilityA1

Multi-piece solid golf ball

44
Priority: Sep 12, 2000Filed: Sep 12, 2001Published: May 9, 2002
Est. expirySep 12, 2020(expired)· nominal 20-yr term from priority
Inventors:Akira Kato
A63B 37/00621A63B 2209/00A63B 37/00622A63B 37/0031A63B 37/06A63B 37/0043A63B 37/0064A63B 37/0075A63B 37/0003
44
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Claims

Abstract

The present invention provides a multi-piece solid golf ball, of which flight performance and shot feel are improved. The present invention relates to a multi-piece solid golf ball comprising a core composed of a center and an intermediate layer formed on the center, and at least one layer of a cover formed on the core, wherein the center has a diameter of 20 to 35 mm and a center point hardness in Shore A hardness of 10 to 70, the intermediate layer has a thickness of 2.5 to 10.0 mm and a surface hardness in Shore D hardness of 40 to 65.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A multi-piece solid golf ball comprising a core composed of a center and an intermediate layer formed on the center, and at least one layer of a cover formed on the core, wherein 
 the center has a diameter of 20 to 35 mm and a center point hardness in Shore A hardness of 10 to 70,    the intermediate layer has a thickness of 2.5 to 10.0 mm and a surface hardness in Shore D hardness of 40 to 65.    
     
     
         2 . The multi-piece solid golf ball according to  claim 1 , wherein the cover has a Shore D hardness of 45 to 60.  
     
     
         3 . The multi-piece solid golf ball according to  claim 1 , wherein the center is formed from a vulcanized molded article mainly comprising silicone rubber composition.  
     
     
         4 . The multi-piece solid golf ball according to  claim 1 , wherein the cover has a single-layered structure.

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