Patent ID: 9011273
Filing Date: 2015-04-21
Classification: A63B,C08G,C08L

Abstract:
1. A multi-piece solid golf ball comprising a core, an envelope layer, an intermediate layer and a cover, wherein the core, the envelope layer, the intermediate layer and the cover have respective surface hardnesses which satisfy the relationship: the core surface hardness and the envelope layer surface hardness, expressed as Shore D hardnesses, satisfy the relationship: the core and the ball have respective initial velocities which satisfy the relationship: a sphere composed of the core covered peripherally by the envelope layer and the intermediate layer (intermediate layer-encased sphere) and the ball have respective initial velocities which satisfy the relationship: a sphere composed of the core covered peripherally by the envelope layer (envelope layer-encased sphere) and the intermediate layer-encased sphere have respective initial velocities which satisfy the relationship: