Invention Grant
- Patent Title: Golf ball with negative hardness gradient core
- Patent Title (中): 高尔夫球具有负硬度梯度核心
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Application No.: US13108069Application Date: 2011-05-16
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Publication No.: US08157675B2Publication Date: 2012-04-17
- Inventor: Michael J. Sullivan , Brian Comeau , Douglas S. Goguen , David A. Bulpett
- Applicant: Michael J. Sullivan , Brian Comeau , Douglas S. Goguen , David A. Bulpett
- Applicant Address: US MA Fairhaven
- Assignee: Acushnet Company
- Current Assignee: Acushnet Company
- Current Assignee Address: US MA Fairhaven
- Agent Margaret C. Barker
- Main IPC: A63B37/06
- IPC: A63B37/06

Abstract:
A golf ball comprising a single layer core and a cover layer disposed about the single layer core, the single layer core being formed from a substantially homogenous formulation and comprising a geometric center and an outer surface, the single layer core further comprising an inner core region disposed about the geometric center, an outer core region adjacent the outer surface, and an intermediate core region disposed between the inner and outer core regions and extending radially from about 8 mm to about 18 mm from the geometric center. The single layer core has first, second and third hardnesses disposed within the inner core region, outer core region, intermediate core region, respectively, wherein the third hardness is greater than the first hardness and the second hardness, and a hardness of the outer surface is substantially the same as or lower than a hardness of the geometric center.
Public/Granted literature
- US20110218057A1 GOLF BALL WITH NEGATIVE HARDNESS GRADIENT CORE Public/Granted day:2011-09-08
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