US2025360377A1PendingUtilityA1
Golf ball
Est. expiryMay 24, 2044(~17.8 yrs left)· nominal 20-yr term from priority
A63B 37/004A63B 37/0065A63B 37/0043A63B 37/0077A63B 37/0006A63B 37/0045A63B 37/0033A63B 37/0096A63B 37/0012A63B 37/0021A63B 37/002A63B 37/0075A63B 37/009A63B 37/008A63B 37/0017A63B 37/0083A63B 37/0084A63B 37/0018A63B 37/0089A63B 37/0087A63B 37/0078
61
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Claims
Abstract
A golf ball is disclosed herein that has at least one modified aerodynamic characteristic or performance trait. More specifically, the golf ball disclosed herein can include a dimple pattern having a specific drag coefficient and/or specific integrated drag area.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A golf ball comprising at least a core, a casing layer, and a cover formed from urethane,
the golf ball having a weight of 1.600 ounces-1.620 ounces, a diameter of 1.680 inches-1.700 inches, a compression of at least 90, a coefficient of restitution of at least 0.805, and an initial velocity of at least 250 feet/second; the core having a weight of at least 1.245 ounces, a diameter of at least 1.525 inches, and a coefficient of restitution of at least 0.785; the cover comprising a plurality of dimples comprised of 360-420 dimples arranged in a dimple pattern having a drag coefficient (C D ) and a lift coefficient (C L ), such that 0.230≤C D ≤0.240 at a Reynolds number of 220,000 and a spin ratio of 0.070, 0.230≤C D ≤0.240 at a Reynolds number of 160,000 and a spin ratio of 0.095, and 0.230≤C D ≤0.240 at a Reynolds number of 120,000 and a spin ratio of 0.100; wherein the dimple pattern has an integrated drag area (DA) defined by:
DA
=
∫
225
,
TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]]
000
160
,
TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]]
000
C
D
(
Re
)
dRe
where C D (Re) is established at a launch condition of a golf ball speed of 182.0 mph, a launch angle of 10.0 degrees, and a spin rate of 2,700 rpm, such that 14,750≤DA≤15,500;
wherein C L ≥0.115 at a Reynolds number of 240,000 and a spin ratio of 0.060; and
wherein the drag coefficient and the lift coefficient at a Reynolds number of 225,000 and a spin ratio of 0.070 have the following relationship: 1.700≤C D /C L ≤1.900.
2 . The golf ball according to claim 1 , wherein the golf ball compression is at least 92.
3 . The golf ball according to claim 1 , wherein the golf ball coefficient of restitution is 0.805-0.815.
4 . The golf ball according to claim 1 , wherein the golf ball coefficient of restitution is at least 0.810.
5 . The golf ball according to claim 1 , wherein the casing has a thickness of 0.045 inches-0.055 inches.
6 . The golf ball according to claim 1 , wherein the casing has a thickness of 0.035 inches-0.045 inches.
7 . The golf ball according to claim 1 , wherein the cover has a thickness of 0.020 inches-0.030 inches.
8 . The golf ball according to claim 1 , wherein the core has a weight of at least 1.255 ounces.
9 . The golf ball according to claim 1 , wherein the core has a weight of at least 1.280 ounces.
10 . The golf ball according to claim 1 , wherein the core has a diameter of at least 1.530 inches.
11 . The golf ball according to claim 1 , wherein the core has a diameter of at least 1.545 inches.
12 . The golf ball according to claim 1 , wherein the core has a coefficient of restitution of 0.790-0.805.
13 . The golf ball according to claim 1 , wherein the golf ball is a three-layer golf ball.
14 . The golf ball according to claim 1 , wherein the dimple pattern has 370-400 dimples.
15 . The golf ball according to claim 1 , wherein a dimple volume is 0.0380 in 3 -0.0400 in 3 .
16 . The golf ball according to claim 1 , wherein the dimple pattern has a surface coverage of 83.5%-85.5%.
17 . The golf ball according to claim 1 , wherein the dimple pattern comprises at least seven different dimple diameters.
18 . The golf ball according to claim 1 , wherein an average dimple diameter is 0.150 inches-0.165 inches.
19 . The golf ball according to claim 1 , wherein a minimum dimple diameter disparity is 0.005 inches-0.015 inches.
20 . The golf ball according to claim 1 , wherein a maximum dimple diameter disparity is 0.020 inches-0.030 inches.
21 . The golf ball according to claim 1 , wherein a minimum dimple diameter is 0.105 inches-0.115 inches.
22 . The golf ball according to claim 1 , wherein a maximum dimple diameter is 0.175 inches-0.185 inches.
23 . The golf ball according to claim 1 , wherein C L ≤0.170 at a Reynolds number of 185,000 and a spin ratio of 0.105.
24 . A three layer golf ball comprising a core, a casing layer, and a cover formed from urethane,
the golf ball having a weight of 1.600 ounces-1.620 ounces, a diameter of 1.680 inches-1.700 inches, a compression of at least 92, a coefficient of restitution of at least 0.808, and an initial velocity of at least 250 feet/second; the core having a weight of at least 1.275 ounces, a diameter of at least 1.545 inches, and a coefficient of restitution of at least 0.792; the cover comprising a plurality of dimples comprised of 360-420 dimples arranged in a dimple pattern having a drag coefficient (C D ) and a lift coefficient (C L ), such that 0.230≤C D ≤0.240 at a Reynolds number of 220,000 and a spin ratio of 0.070, 0.230≤C D ≤0.240 at a Reynolds number of 160,000 and a spin ratio of 0.095, and 0.230≤C D ≤0.240 at a Reynolds number of 120,000 and a spin ratio of 0.100; wherein the dimple pattern has an integrated drag area (DA) defined by:
DA
=
∫
225
,
TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]]
000
160
,
TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]]
000
C
D
(
Re
)
dRe
where C D (Re) is established at a launch condition of a golf ball speed of 182.0 mph, a launch angle of 10.0 degrees, and a spin rate of 2,700 rpm, such that 14,750≤DA≤15,500;
wherein C L ≥0.115 at a Reynolds number of 240,000 and a spin ratio of 0.060; and
wherein the drag coefficient and the lift coefficient at a Reynolds number of 225,000 and a spin ratio of 0.070 have the following relationship: 1.700≤C D /C L ≤1.900.
25 . A three layer golf ball comprising a core, a casing layer, and a cover formed from urethane,
the golf ball having a weight of 1.600 ounces-1.620 ounces, a diameter of 1.680 inches-1.700 inches, a compression of at least 92, a coefficient of restitution of at least 0.805, and an initial velocity of at least 250 feet/second; the core having a weight of at least 1.245 ounces, a diameter of at least 1.530 inches, and a coefficient of restitution of at least 0.792; the cover comprising a plurality of dimples comprised of 360-420 dimples arranged in a dimple pattern having a drag coefficient (C D ) and a lift coefficient (C L ), such that 0.230≤C D ≤0.240 at a Reynolds number of 220,000 and a spin ratio of 0.070, 0.230≤C D ≤0.240 at a Reynolds number of 160,000 and a spin ratio of 0.095, and 0.230≤C D ≤0.240 at a Reynolds number of 120,000 and a spin ratio of 0.100; wherein the dimple pattern has an integrated drag area (DA) defined by:
DA
=
∫
225
,
TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]]
000
160
,
TagBox[",", "NumberComma", Rule[SyntaxForm, "0"]]
000
C
D
(
Re
)
dRe
where C D (Re) is established at a launch condition of a golf ball speed of 182.0 mph, a launch angle of 10.0 degrees, and a spin rate of 2,700 rpm, such that 14,750≤DA≤15,500;
wherein C L ≥0.115 at a Reynolds number of 240,000 and a spin ratio of 0.060; and
wherein the drag coefficient and the lift coefficient at a Reynolds number of 225,000 and a spin ratio of 0.070 have the following relationship: 1.700≤C D /C L ≤1.900.Join the waitlist — get patent alerts
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