| Patent Number |
Title Of Patent |
Date Issued |
| RE38589 |
Three-piece solid golf ball |
September 14, 2004 |
| The present invention provides a three-piece solid golf ball having both excellent hit feeling and large flying distance. The three-piece solid golf ball comprises a core 1 and a cover 2 covering the core 1, and the core 1 has a two-layer structure comprising a center 1a and an outer she |
| RE35293 |
Solid golf ball |
July 9, 1996 |
| Disclosed is a solid golf ball containing at least one rubber portion formed from a rubber composition comprising a base rubber, a co-crosslinking agent and an organic peroxide; an improvement being present in that the base rubber is a mixture of(A) a solid polybutadiene rubber containin |
| 6790148 |
Multi-piece solid golf ball and method of making the same |
September 14, 2004 |
| The present invention provides a multi-piece solid golf ball comprising a core consisting of an inner core and an outer core, and one or more layers of cover, wherein the inner core has a diameter of 30 to 39.5 mm and a center hardness in JIS-C hardness of 55 to 70, and is formed from pr |
| 6608127 |
Golf ball |
August 19, 2003 |
| A golf ball exhibits a high spin and easily comes to a halt even when shot from the rough or when shot in a raining condition. The cover material of the golf ball is based on ionomer resin. The cover material has 5-50 parts by weight of a tackifier such as terpene resins, rosin ester res |
| 6575850 |
Golf ball |
June 10, 2003 |
| A golf ball which produces high spin rate and accordingly readily stops even when being shot from a rough or in the rain is provided. Such a golf ball is constituted of a core and a cover and the cover has a loss tangent of 0.15 to 0.70 at -10.degree. C. in a temperature distribution cur |
| 6561923 |
Colored golf ball |
May 13, 2003 |
| The present invention provides a colored golf ball having soft and good shot feel at the time of hitting, and having excellent discriminability when used in bad weather or the winter season because of its vivid and deep color tone. The present invention relates to a colored golf ball |
| 6525124 |
Golf ball |
February 25, 2003 |
| The present invention provides a golf ball having excellent durability, sufficient for use in driving ranges while maintaining sufficient flight distance and shot feel for use in playing a round of golf. The golf ball comprises a core and a cover covering the core, wherein the core is |
| 5981649 |
Rubber composition for grips of articles containing EPDM and grip made thereof |
November 9, 1999 |
| A rubber composition suitable for use in grips of articles such as golf clubs, tennis rackets, bicycles and tools, comprising (1) a rubber component containing an ethylene-propylene-diene rubber (EPDM), and (2) 5 to 100 parts by weight of a polyisobutylene having a viscosity average |
| 5957784 |
Multi-piece solid golf ball |
September 28, 1999 |
| A multi piece solid golf ball comprising:a core (1),at least one intermediate layer (2) formed on the core (1) anda cover (3) covering the intermediate layer (2) consists essentially of (I) 100 to 10% by weight of a polyurthane thermoplastic elastomer and (ii) o to 90% by weight of an ionome |
| 5780169 |
Golf ball |
July 14, 1998 |
| Disclosed is a golf ball comprising a core 1 composed of a center 1a and an outer shell 1b, and a cover 2 covering said core 1, wherein a specific gravity of said center 1a is 0.2 to 1. The golf ball has excellent flying distance and satisfies other performances of golf balls. |
| 5711723 |
Three-piece solid golf ball |
January 27, 1998 |
| A three-piece solid golf ball which attains a long flight distance with excellent controllability which comprises a core having a two-layer structure of a center and a shell covering the center, and a cover covering the core, whereinthe center has a diameter of 25 to 37 mm, a JIS-C hardn |
| 5697856 |
Solid golf ball and process for producing the same |
December 16, 1997 |
| A solid golf ball comprising a core and a cover, wherein the core has a trans structure content in polybutadiene of 10 to 30%. The core is produced by vulcanizing a rubber composition containing a butadiene rubber having cis structure content of not less than 90% before vulcanization, as |
| 5607366 |
Two-piece golf ball |
March 4, 1997 |
| A two-piece golf ball, comprising:a core having a surface hardness of 55 to 75 and a sectional hardness at the location other than the core surface layer of 65 to 88, said hardness value being determined by a JIS-C type hardness tester; anda cover covering said core and having a stiffness of |
| 5601502 |
Three-piece solid golf ball |
February 11, 1997 |
| The present invention provides a three-piece solid golf ball having both excellent hit feeling and large flying distance. The three-piece solid golf ball comprises a core 1 and a cover 2 covering the core 1, and the core 1 has a two-layer structure comprising a center 1a and an outer she |
| 5589546 |
Solid golf ball |
December 31, 1996 |
| The present invention provides a one-piece solid golf ball or a two or more piece solid golf ball which comprises an inner core and a cover covering the inner core. The one-piece solid golf ball is formed from a rubber composition which comprises:a base rubber,vulcanized rubber powder, a |
| 5574107 |
Solid golf ball |
November 12, 1996 |
| The present invention provides a one-piece solid golf ball or a two or more piece solid golf ball which comprises an inner core and a cover covering the inner core. The one-piece solid golf ball is formed from a rubber composition which comprises:a base rubber,vulcanized rubber powder, a |
| 5490674 |
Three-piece solid golf ball |
February 13, 1996 |
| The present invention provides a solid golf ball having excellent flying performances, stability upon iron shot and good hit feeling.A solid core 1 comprising an center 1a and an outer shell 1b is coated with a cover 2 to give a three-piece solid golf ball. The center 1a has a diameter o |
| 5490673 |
Golf ball |
February 13, 1996 |
| Disclosed is a golf ball having an excellent (soft) hit feeling and excellent durability, which is suitable for use on the driving range. The golf ball has a two-layer structure including a core and a cover for coating the core. A compressive strain of the core is 2.8 to 3.8 mm. A ha |
| 5482993 |
Rubber composition suitable for grips of articles and grip made thereof |
January 9, 1996 |
| A rubber composition suitable for use in grips of articles such as golf clubs, tennis rackets, bicycles and tools, comprising (1) a rubber component containing a blend of an ethylene-propylene-diene rubber (EPDM) and natural rubber, (2) 2 to 40 parts by weight of a transpolyoctenamer |
| 5482285 |
Three-piece solid golf ball |
January 9, 1996 |
| A three-piece solid golf ball comprising an inner core 1a, an outer core 1b, and a cover formed principally of an ionomer resin, wherein said inner core 1a has a diameter of 10 to 38 mm, said outer core 1b has a specific gravity of 0.2 to 0.79 and has a diameter of 37 to 40 mm and a tota |
| 5215308 |
Solid golf ball |
June 1, 1993 |
| Disclosed is a solid golf ball containing at least one rubber portion formed from a rubber composition comprising a base rubber, a co-crosslinking agent and an organic peroxide; an improvement being present in that the base rubber is a mixture of(A) a solid polybutadiene rubber containin |
| 5082285 |
Solid golf ball |
January 21, 1992 |
| The present invention provides a solid golf ball containing the ultra-high molecular weight polybutadiene which is formulated therein in a solution form. The golf ball has very improved impact resilience and durability. The present invention provides a solid golf ball having at least a |
| 4974852 |
One-piece solid golf ball |
December 4, 1990 |
| A one-piece golf ball exhibiting an increased flying distance and a high durability suitable for golf driving ranges, i.e. a solid golf ball having a central hardness (JIS-C hardness) of 60 to 75, a hardness at a position 10 mm from the center of 72 to 80 and a surface hardness of 70 to |
| 4929678 |
Rubber composition and a solid golf ball obtained therefrom |
May 29, 1990 |
| A rubber composition for a solid golf ball comprising a rubber component containing at least 40% by weight of a polybutadiene rubber which has a Mooney viscosity [ML.sub.1+4 (100.degree. C.)] of 45 to 90 and a cis-1,4 bond of at least 80%, a co-crosslinking agent and a peroxide. |
