| Patent Number |
Title Of Patent |
Date Issued |
| 7244384 |
Method for manufacturing two and three piece golf balls constructed from polyurethane material |
July 17, 2007 |
| A novel method of manufacturing a golf ball. A golf ball made with this invention exhibits the characteristic feel and playability of a balata cover with superior durability characteristics (cut and shear resistance) which exceed those of a balata or ionomer cover. |
| 7223181 |
Polyurethane material for two and three piece golf balls and method |
May 29, 2007 |
| A novel composition useful for golf ball covers that comprises a blend of a dilsocyanate/polyol polyurethane prepolymer with a curing agent comprising a blend of slow-reacting diamine with a fast-reacting diamine such as dimethylthio 2,4-toluenediamine and diethyl 2,4-toluenediamine, |
| 6793864 |
Polyurethane material for two and three piece golf balls |
September 21, 2004 |
| A novel composition useful for golf ball covers that comprises a blend of a diisocyanate/polyol polyurethane prepolymer with a curing agent comprising a blend of slow-reacting diamine with a fast-reacting diamine such as dimethylthio 2,4-toluenediamine and diethyl 2,4-toluenediamine, |
| 6511388 |
Golf ball with polyurethane cover |
January 28, 2003 |
| A golf ball having a cover composed of a polyurethane formed from a p-phenylene diisocyanate (PPDI) based polyurethane prepolymer is disclosed herein. The PPDI-based polyurethane prepolymer is formed from a PPDI and a polyol such as polycaprolactone. The PPDI-based polyurethane prepolyme |
| 6499983 |
System for forming a thermoset golf ball cover |
December 31, 2002 |
| A method and system for casting a thermoset layer over a golf ball precursor product is disclosed herein. The system includes multiple stations connected by a conveyor system. The thermoset flowable material is dispensed into a plurality of cavities on each of the mold halves. A plur |
| 6482345 |
Method of fabricating a golf ball with polyurethane cover |
November 19, 2002 |
| A golf ball having a cover composed of a polyurethane formed from a p-phenylene diisocyanate (PPDI) based polyurethane prepolymer is disclosed herein. The PPDI-based polyurethane prepolymer is formed from a PPDI and a polyol such as polycaprolactone. The PPDI-based polyurethane prepolyme |
| 6478690 |
Multiple material golf club head with a polymer insert face |
November 12, 2002 |
| The present invention is a golf club (30) having a club head main body (34) with a recess (38), an polymer insert (40) in the recess (38), an isolation layer (52) and a weight body (50). The polymer insert (40) is composed of a thermosetting polyurethane material having a Shore D har |
| 6435987 |
Golf ball having a polyurethane cover |
August 20, 2002 |
| A golf ball having a thermosetting polyurethane cover composed of a blend of polyurethane prepolymers is disclosed herein. The blend may be a dual blend with a TDI-based polyurethane prepolymer blended with a second diisocyanate polyurethane prepolymer, typically a PPDI-based polyurethan |
| 6422954 |
Golf ball having a polyurethane cover |
July 23, 2002 |
| A golf ball having a polyurethane cover composed of a blend of polyurethane prepolymers is disclosed herein. The blend may be a dual blend with a TDI-based polyurethane prepolymer blended with a second diisocyanate polyurethane prepolymer, typically a PPDI-based polyurethane prepolymer. |
| 6395218 |
Method for forming a thermoset golf ball cover |
May 28, 2002 |
| A method and system for casting a thermoset layer over a golf ball precursor product is disclosed herein. The system includes multiple stations connected by a conveyor system. The thermoset flowable material is dispensed into a plurality of cavities on each of the mold halves. A plur |
| 6390937 |
Method for verifying the concentricity of a multiple-layer golf ball |
May 21, 2002 |
| A method for determining the concentricity of a golf ball having a barium or bismuth doped boundary layer or cover is disclosed herein. The method uses an X-ray imaging machine to determine the thickness of the cover at various locations to ensure concentricity of the golf ball. The boun |
| 6328661 |
Multiple material golf club head with a polymer insert face |
December 11, 2001 |
| The present invention is a golf club (30) having a club head main body (34) with a recess (38), an polymer insert (40) in the recess (38), an isolation layer (52) and a weight body (50). The polymer insert (40) is composed of a thermosetting polyurethane material having a Shore D har |
| 6213892 |
Multi-layer golf ball |
April 10, 2001 |
| A multiple layer golf ball having a high compression core and a soft boundary layer is disclosed herein. The multiple layer golf ball may also have a hard cover. The soft boundary layer allows the multiple layer golf ball to mimic the properties of a lower compression core while providin |
| 6200512 |
Method of manufacturing a golf ball |
March 13, 2001 |
| A method of manufacturing golf balls is disclosed that prevents the cover from cracking due to thermal expansion of the core during the cover formation process. The method includes the forming a core. One or more optional boundary layers can be applied to the surface of the core. The |
| 6190268 |
Golf ball having a polyurethane cover |
February 20, 2001 |
| A golf ball having a polyurethane cover composed of a blend of polyurethane prepolymers is disclosed herein. The blend may be a dual blend with a TDI-based polyurethane prepolymer blended with a second diisocyanate polyurethane prepolymer, typically a PPDI-based polyurethane prepolymer. |
| 6117024 |
Golf ball with polyurethane cover |
September 12, 2000 |
| A golf ball having a cover composed of a polyurethane formed from a p-phenylene diisocyanate (PPDI) based polyurethane prepolymer is disclosed herein. The PPDI-based polyurethane prepolymer is formed from a PPDI and a polyol such as polycaprolactone. The PPDI-based polyurethane prepolyme |
