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US 12,685,904 B2Granted
Coating free, finished golf ball with polyurethane cover
AssigneeAcushnet Company
InventorsMichael Michalewich, Manjari Kuntimaddi, Derek Ladd, Courtney N. Engle, Michael R. Madson, Shawn Ricci
Life of this patent
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Abstract
A coating free, finished golf ball and a method of forming a coating free, finished golf ball are disclosed herein. The golf ball has an outermost surface defined exclusively via the cover. The cover disclosed herein can be formed from a polyurethane, polyurea, or hybrid of polyurethane-polyurea, in some examples.
Claims22
A coating free, finished golf ball comprising:
- a core;
- and
- a cover defining an outermost surface of the coating free, finished golf ball, such that the cover is bare, the cover being formed from a composition comprising polyurethane, polyurea, or hybrid of polyurethane-polyurea, and at least one of:
- (i) a silicone-based cleaning additive or a siloxane-based cleaning additive;
- or
- (ii) a polydimethylsiloxane based soft segment.
3 more elements
A coating free, finished golf ball consisting essentially of:
- a core;
- a casing surrounding the core;
- and
- a cover defining an outermost surface of the coating free, finished golf ball, such that the cover is bare, the cover being formed from a composition comprising:
- polyurethane, polyurea, or hybrid of polyurethane-polyurea,
- a silicone-based cleaning additive or a siloxane-based cleaning additive, and
- an ultraviolet absorbing additive;
- wherein the cover has a dimple pattern comprising a plurality of dimples, and an average edge radius among all of the plurality of dimples is 0.030 inches-0.050 inches, and
- the cover includes at least one marking formed via at least one of:
- integral molding with the cover, hot stamping, UV pad printing, or nitrocellulose ink pad printing.
7 more elements
A method of forming a coating free, golf ball, the method comprising:
- providing a golf ball sub-assembly comprising a core and a casing;
- forming a cover around an outermost surface of the golf ball sub-assembly, the cover being formed from a composition comprising polyurethane, polyurea, or hybrid of polyurethane-polyurea, and at least one of a silicone-based cleaning additive or a siloxane-based cleaning additive;
- and
- forming at least one marking directly on the cover via hot stamping, UV pad printing, or nitrocellulose ink pad printing.
1 more element
Dependencies are inferred from the claim text.