Back to results
US 12,623,121 B1Granted
Golf ball
AssigneeTaylor Made Golf Company, Inc.
InventorsBen Raymond, Dana Ehyaei, Todd P. Beach, David Anderson, Balachandra Reddy Mettu, Joshua Dipert
Life of this patent
Estimating the term…
Abstract
A golf ball having contact time, CT143 of greater than or equal to about 400 microsecs, a Coefficient of Restitution, COR143 of greater than or equal to about 0.720, an Initial Velocity (IV) of greater than or equal to about 255 ft/sec and a relative ratio, RR80/127 or RR80/125 or RR80/123 each of greater than or equal to about 1.01, or a relative ratio, RR90/127 or RR90/125 or RR90/123 each of greater than or equal to about 1.03.
Claims9
A golf ball having;
- a core comprising a polybutadiene rubber, the core having a difference between a Shore D hardness measured at a center of the core and a Shore D hardness measured at a surface of the core of no greater than 2 Shore D units;
- an innermost intermediate layer disposed directly over the core, the innermost intermediate layer comprising a bimodal ionomer neutralized to at least 90% with magnesium cations and having a thickness of from 0.04 to 0.06 inches and a Shore D hardness of from 45 to 50;
- a center intermediate layer disposed over the innermost intermediate layer, the center intermediate layer comprising thermoplastic polyurethane and having a thickness of from 0.03 to 0.05 inches and a Shore D hardness of from 50 to 55;
- an outer intermediate layer disposed over the center intermediate layer, the outer intermediate layer comprising a modified unimodal ionomer and having a thickness of from 0.03 to 0.07 inches and a Shore D hardness of from 55 to 60;
- an outer cover layer disposed over the outer intermediate layer, the outer cover layer comprising thermoset polyurethane having a thickness of 0.022 inches and a Shore D hardness of 58, the outer cover layer having a dimple pattern comprising 375 dual-radius dimples, each dimple adjacent to a parting line having a depth of at least 0.155 mm, and wherein a dimple pattern of a southern hemisphere of the golf ball is rotated by 30 degrees relative to a dimple pattern of a northern hemisphere of the golf ball;
- a contact time measured using an impact speed of 143 ft/s (CT143) of greater than or equal to 400 microseconds;
- a coefficient of restitution measured using an impact speed of 143 ft/s (COR143) of greater than or equal to 0.720;
- an initial velocity (IV) of greater than or equal to 255 ft/sec, calculated by an equation;
- and
- a relative ratio, RR80/127 or RR80/125 or RR80/123 each greater than or equal to 1.01, where:
- RR80/127=(TDC80/HS80)/(TDC127/HS127),wherein TDC80 is the total distance calculated using a clubhead speed of 80 mph, TDC127 is the total distance calculated using a clubhead speed at 127 mph, HS80 is the clubhead speed at 80 mph, and HS127 is the clubhead speed at 127 mph;
- RR80/125=(TDC80/HS80)/(TDC125/HS125), wherein TDC125 is the total distance calculated using a clubhead speed of 125 mph, and HS125 is the clubhead speed at 125 mph;
- RR80/123=(TDC80/HS80)/(TDC123/HS123), wherein TDC123 is the total distance calculated using a clubhead speed at 123 mph, and HS123 is the clubhead speed at 123 mph;
- or
- a relative ratio, RR90/127 or RR90/125 or RR90/123 each greater than or equal to 1.03, where:
- RR90/127=(TDC90/HS90)/(TDC127/HS127) wherein TDC90 is the total distance calculated using a clubhead speed of 90 mph, HS90 is the clubhead speed at 90 mph;
- RR90/125=(TDC90/HS90)/(TDC125/HS125);
- RR90/123=(TDC90/HS90)/(TDC123/HS123).
15 more elements
A golf ball having;
- a core comprising a polybutadiene rubber, the core having a difference between a Shore D hardness measured at a center of the core and a Shore D hardness measured at a surface of the core of no greater than 2 Shore D units;
- an innermost intermediate layer disposed directly over the core, the innermost intermediate layer comprising a bimodal ionomer neutralized to at least 90% with magnesium cations and having a thickness of from 0.04 to 0.06 inches and a Shore D hardness of from 45 to 50;
- a center intermediate layer disposed over the innermost intermediate layer, the center intermediate layer comprising thermoplastic polyurethane and having a thickness of from 0.03 to 0.05 inches and a Shore D hardness of from 50 to 55;
- an outer intermediate layer disposed over the center intermediate layer, the outer intermediate layer comprising a modified unimodal ionomer and having a thickness of from 0.03 to 0.07 inches and a Shore D hardness of from 55 to 60;
- an outer cover layer disposed over the outer intermediate layer, the outer cover layer comprising thermoset polyurethane having a thickness of 0.022 inches and a Shore D hardness of 58, the outer cover layer having a dimple pattern comprising 375 dual-radius dimples, each dimple adjacent to a parting line having a depth of at least 0.155 mm, and wherein a dimple pattern of a southern hemisphere of the golf ball is rotated by 30 degrees relative to a dimple pattern of a northern hemisphere of the golf ball;
- a contact time measured using an impact speed of 143 ft/s (CT143) of greater than or equal to 400 microseconds;
- a coefficient of restitution measured using an impact speed of 143 ft/s (COR143) of greater than about 0.780;
- a relative ratio, RR80/127 or RR80/125 or RR80/123 each greater than or equal to 1.01, where:
- RR80/127=(TDC80/HS80)/(TDC127/HS127),wherein TDC80 is the total distance calculated using a clubhead speed of 80 mph, TDC127 is the total distance calculated using a clubhead speed of 127 mph, HS80 is the clubhead speed of 80 mph, and HS127 is the clubhead speed of 127 mph;
- RR80/125=(TDC80/HS80)/(TDC125/HS125), wherein TDC125 is the total distance calculated using a clubhead speed of 125 mph, and HS125 is the clubhead speed of 125 mph;
- RR80/123=(TDC80/HS80)/(TDC123/HS123), wherein TDC123 is the total distance calculated using a clubhead speed of 123 mph, and HS123 is the clubhead speed of 123 mph;
- or
- a relative ratio, RR90/127 or RR90/125 or RR90/123 each greater than or equal to 1.03, where:
- RR90/127=(TDC90/HS90)/(TDC127/HS127) wherein TDC90 is the total distance calculated using a clubhead speed of 90 mph, and HS90 is the clubhead speed of 90 mph;
- RR90/125=(TDC90/HS90)/(TDC125/HS125);
- RR90/123=(TDC90/HS90)/(TDC123/HS123).
13 more elements
A golf ball having;
- a core comprising a polybutadiene rubber, the core having a difference between a Shore D hardness measured at a center of the core and a Shore D hardness measured at a surface of the core of no greater than 2 Shore D units;
- an innermost intermediate layer disposed directly over the core, the innermost intermediate layer comprising a bimodal ionomer neutralized to at least 90% with magnesium cations and having a thickness of from 0.04 to 0.06 inches and a Shore D hardness of from 45 to 50;
- a center intermediate layer disposed over the innermost intermediate layer, the center intermediate layer comprising thermoplastic polyurethane and having a thickness of from 0.03 to 0.05 inches and a Shore D hardness of from 50 to 55;
- an outer intermediate layer disposed over the center intermediate layer, the outer intermediate layer comprising a modified unimodal ionomer and having a thickness of from 0.03 to 0.07 inches and a Shore D hardness of from 55 to 60;
- an outer cover layer disposed over the outer intermediate layer, the outer cover layer comprising thermoset polyurethane having a thickness of 0.022 inches and a Shore D hardness of 58, the outer cover layer having a dimple pattern comprising 375 dual-radius dimples, each dimple adjacent to a parting line having a depth of at least 0.155 mm, and wherein a dimple pattern of a southern hemisphere of the golf ball is rotated by 30 degrees relative to a dimple pattern of a northern hemisphere of the golf ball;
- a contact time measured using an impact speed of 143 ft/s (CT143) of greater than or equal to 400 microseconds;
- a coefficient of restitution measured using at an impact speed of 143 ft/s (COR143) of greater than or equal to 0.790;
- and
- a relative ratio, RR80/127 or RR80/125 or RR80/123 each greater than or equal to 1.02, where:
- RR80/127=(TDC80/HS80)/(TDC127/HS127),wherein TDC80 is the total distance calculated using a clubhead speed of 80 mph, TDC127 is the total distance calculated using a clubhead speed at 127 mph, HS80 is the clubhead speed of 80 mph, and HS127 is the clubhead speed of 127 mph;
- RR80/125=(TDC80/HS80)/(TDC125/HS125), wherein TDC125 is the total distance calculated using a clubhead speed of 125 mph, and HS125 is the clubhead speed of 125 mph;
- RR80/123=(TDC80/HS80)/(TDC123/HS123), wherein TDC123 is the total distance calculated using a clubhead speed at 123 mph, and HS1s is the clubhead speed of 123 mph.
9 more elements
Dependencies are inferred from the claim text.