Patent ID: 9682284
Date: 2017-06-20
CPC Classifications: A63B

Claim:
1. A golf ball comprising a core, a mid layer positioned outside the core, and a cover positioned outside the mid layer, wherein the mid layer includes a first mid layer, a second mid layer positioned outside the first mid layer, and a third mid layer positioned outside the second mid layer, and when: a volume (mm a Shore D hardness of the first mid layer is defined as Hinm; a volume (mm a Shore D hardness of the second mid layer is defined as Hm; a volume (mm a Shore D hardness of the third mid layer is defined as Houm; a volume (mm a Shore D hardness of the cover is defined as Hc; and a volume of an entirety of the golf ball is defined as V, the golf ball meets the following relational expressions (a) to (f): wherein the Shore D hardness Hc of the cover is equal to or greater than 10 but equal to or less than 29, the volume Voum of the third mid layer is greater than the volume Vinm of the first mid layer, the volume Vinm of the first mid layer is equal to or greater than 2700 mm the volume Vm of the second mid layer is equal to or greater than 3900 mm the volume Voum of the third mid layer is equal to or greater than 3500 mm the volume Vc of the cover is equal to or greater than 1500 mm