CA2730693A1 - Multilayer solid golf ball - Google Patents

Multilayer solid golf ball Download PDF

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Publication number
CA2730693A1
CA2730693A1 CA2730693A CA2730693A CA2730693A1 CA 2730693 A1 CA2730693 A1 CA 2730693A1 CA 2730693 A CA2730693 A CA 2730693A CA 2730693 A CA2730693 A CA 2730693A CA 2730693 A1 CA2730693 A1 CA 2730693A1
Authority
CA
Canada
Prior art keywords
golf ball
millimeters
ball
cover layer
core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2730693A
Other languages
French (fr)
Other versions
CA2730693C (en
Inventor
Hideyuki Ishii
Yutaka Kabeshita
Yasushi Ichikawa
Hsin Cheng
Chien-Hsin Chou
Chen-Tai Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nike International Ltd
Original Assignee
Nike International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nike International Ltd filed Critical Nike International Ltd
Publication of CA2730693A1 publication Critical patent/CA2730693A1/en
Application granted granted Critical
Publication of CA2730693C publication Critical patent/CA2730693C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/02—Special cores
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0038—Intermediate layers, e.g. inner cover, outer core, mantle
    • A63B37/004—Physical properties
    • A63B37/0046—Deflection or compression
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0004—Surface depressions or protrusions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0004—Surface depressions or protrusions
    • A63B37/0017—Specified total dimple volume
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0004—Surface depressions or protrusions
    • A63B37/0018—Specified number of dimples
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0023—Covers
    • A63B37/0029—Physical properties
    • A63B37/0031—Hardness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0038—Intermediate layers, e.g. inner cover, outer core, mantle
    • A63B37/0039—Intermediate layers, e.g. inner cover, outer core, mantle characterised by the material
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0038—Intermediate layers, e.g. inner cover, outer core, mantle
    • A63B37/004—Physical properties
    • A63B37/0043—Hardness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/0038—Intermediate layers, e.g. inner cover, outer core, mantle
    • A63B37/004—Physical properties
    • A63B37/0045—Thickness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/005—Cores
    • A63B37/0051—Materials other than polybutadienes; Constructional details
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/005—Cores
    • A63B37/006—Physical properties
    • A63B37/0061—Coefficient of restitution
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/005—Cores
    • A63B37/006—Physical properties
    • A63B37/0064—Diameter
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/005—Cores
    • A63B37/006—Physical properties
    • A63B37/0065—Deflection or compression
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/007—Characteristics of the ball as a whole
    • A63B37/0072—Characteristics of the ball as a whole with a specified number of layers
    • A63B37/0075—Three piece balls, i.e. cover, intermediate layer and core
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/007—Characteristics of the ball as a whole
    • A63B37/0072—Characteristics of the ball as a whole with a specified number of layers
    • A63B37/0076—Multi-piece balls, i.e. having two or more intermediate layers
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/0003—Golf balls
    • A63B37/007—Characteristics of the ball as a whole
    • A63B37/0077—Physical properties
    • A63B37/0092—Hardness distribution amongst different ball layers
    • A63B37/00922—Hardness distribution amongst different ball layers whereby hardness of the cover is lower than hardness of the intermediate layers
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B37/00—Solid balls; Rigid hollow balls; Marbles
    • A63B37/02—Special cores
    • A63B37/06—Elastic cores

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

A multilayer solid golf ball maintains performance characteristics after exposure to high ambient temperatures. A
core includes a thermoplastic material. The core is surrounded by an intermediate layer comprising a peroxide cross-linked polybutadiene. A single layer or double layer cover with dimples is also provided.

Claims (20)

1. A golf ball comprising:
a core, said core comprising a thermoplastic material;
an intermediate layer enclosing said core to form an inner ball, said intermediate layer comprising a thermoset material; and a cover enclosing said inner ball, wherein said golf ball satisfies the following requirements:
(1) said inner ball has a first deflection amount of 2.2 to 3.2 millimeters under a load of 10 to 130 kilograms when said inner ball is kept in an environment of 24 degrees Celsius for at least about eight hours, (2) said inner ball has a second deflection amount under a load of 10 to 130 kilograms when said inner ball is kept in an environment of about 50 degrees Celsius for at least about 8 hours, and wherein the ratio of the second deflection amount to the first deflection amount is between about 1.05 and about 1.15, and (3) said core has a coefficient of restitution at 40 meters per second falling between approximately 0.79 and 0.89 and higher than that of said golf ball.
2. The golf ball of claim 1, wherein said core has a diameter of 19 millimeters to 32 millimeters.
3. The golf ball of claim 1, wherein said intermediate layer has a thickness of 3 millimeters to 11 millimeters.
4. The golf ball of claim 1, wherein said intermediate layer has a thickness of 4 millimeters to 10 millimeters.
5. The golf ball of claim 1, wherein said thermoplastic material is selected from the group consisting of ionomer resin, highly neutralized acid polymer composition, polyamide resin, polyester resin, polyurethane resin, and any combinations thereof.
6. The golf ball of claim 1, wherein said cover comprises an inner cover layer enclosing said inner ball and an outer cover layer enclosing said inner cover layer;
said outer cover layer having a Shore D hardness lower than that of the inner cover layer.
7. The golf ball of claim 6, wherein said inner cover layer comprises an external surface having a Shore D hardness of 45 to 65; said outer cover layer comprises an external surface having a Shore D hardness of 40 to 60.
8. A golf ball comprising:
a core, said core comprising a thermoplastic material;
an intermediate layer enclosing said core to form an inner ball, said intermediate layer comprising a thermoset material; and a cover enclosing said inner ball and having a plurality of dimples on its outer surface, wherein said golf ball satisfies the following requirements:
(1) said inner ball has a first deflection amount of 2.2 to 3.2 millimeters under a load of 10 to 130 kilograms when said inner ball is kept in an environment of 24 degrees Celsius for at least about 8 hours, (2) said inner ball has a second deflection amount under a load of 10 to 130 kilograms when said inner ball is kept in an environment of 50 degrees Celsius for at least about 8 hours, and the ratio of the second deflection amount to the first deflection amount is between about 1.05 and about 1.15, and (3) said core has a coefficient of restitution at forty (40) meters per second falling between approximately 0.79 and 0.89 and higher than that of said golf ball, and (4) said dimples have a total volume of 550 cubic millimeters to 800 cubic millimeters.
9. The golf ball of claim 8, wherein said dimples have a total number of 250 to 500.
10. The golf ball of claim 8, wherein said dimples have a total number of 300 to 450.
11. The golf ball of claim 8, wherein said dimples have a total volume of 600 cubic millimeters to 800 cubic millimeters.
12. The golf ball of claim 8, wherein said dimples are provided with 3 to 6 kinds of different diameters.
13. The golf ball of claim 12, wherein the number of dimples with the largest diameter is greater than the respective number of any other dimples with smaller diameters.
14. The golf ball of claim 8, wherein said core has a diameter of 19 millimeters to 32 millimeters.
15. The golf ball of claim 8, wherein said intermediate layer has a thickness of 3 millimeters to 11 millimeters.
16. The golf ball of claim 8, wherein said intermediate layer has a thickness of 4 millimeters to 10 millimeters.
17. The golf ball of claim 8, wherein said thermoplastic material is selected from the group consisting of ionomer resin, highly neutralized acid polymer composition, polyamide resin, polyester resin, polyurethane resin, and any combinations thereof.
18. The golf ball of claim 8, wherein said cover comprises an inner cover layer enclosing said inner ball and an outer cover layer enclosing said inner cover layer;
said outer cover layer having a Shore D hardness lower than that of the inner cover layer.
19. The golf ball of claim 18, wherein said inner cover layer or outer cover layer comprises a material selected from the group consisting of ionomer resin, highly neutralized acid polymer composition, polyamide resin, polyester resin, thermoplastic polyurethane resin, thermoset polyurethane resin, and any combinations thereof.
20. The golf ball of claim 18, wherein said inner cover layer comprises an external surface having a Shore D hardness of 45 to 65; said outer cover layer comprises an external surface having a Shore D hardness of 40 to 60.
CA2730693A 2009-02-19 2011-02-09 Multilayer solid golf ball Expired - Fee Related CA2730693C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15395209P 2009-02-19 2009-02-19
US12/708800 2010-02-19
US12/708,800 US20110053707A1 (en) 2009-02-19 2010-02-19 Multilayer Solid Golf Ball

Publications (2)

Publication Number Publication Date
CA2730693A1 true CA2730693A1 (en) 2011-04-19
CA2730693C CA2730693C (en) 2012-01-10

Family

ID=43901194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2730693A Expired - Fee Related CA2730693C (en) 2009-02-19 2011-02-09 Multilayer solid golf ball

Country Status (8)

Country Link
US (1) US20110053707A1 (en)
EP (1) EP2361657B1 (en)
JP (1) JP2011167517A (en)
KR (1) KR101129150B1 (en)
CN (3) CN104368132A (en)
AU (1) AU2011100184B4 (en)
CA (1) CA2730693C (en)
TW (1) TWI490014B (en)

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Also Published As

Publication number Publication date
KR20110095828A (en) 2011-08-25
AU2011100184A4 (en) 2011-03-10
AU2011100184B4 (en) 2013-05-16
CN202199049U (en) 2012-04-25
CN102166405A (en) 2011-08-31
EP2361657A1 (en) 2011-08-31
CA2730693C (en) 2012-01-10
TW201129406A (en) 2011-09-01
JP2011167517A (en) 2011-09-01
US20110053707A1 (en) 2011-03-03
KR101129150B1 (en) 2012-03-23
EP2361657B1 (en) 2014-05-21
TWI490014B (en) 2015-07-01
CN104368132A (en) 2015-02-25

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