| Patent Number |
Title Of Patent |
Date Issued |
| 6406381 |
Composite golf club head and method of manufacturing |
June 18, 2002 |
| A golf club having a club head with a striking plate composed of a composite material and having a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The golf club head also has a coefficient of restitution greater than 0.8 under test conditions such as the USGA test |
| 6406378 |
Sound enhanced composite golf club head |
June 18, 2002 |
| A golf club having a club head composed of a composite material and having an enhanced sound during impact with a golf ball. The golf club head also has a coefficient of restitution greater than 0.8 under test conditions such as the USGA test conditions specified pursuant to Rule 4-1e, A |
| 6402634 |
Instrumented golf club system and method of use |
June 11, 2002 |
| An instrumented golf club system having an instrumented golf club, an interface means and a computing means is disclosed herein. The instrumented golf club includes a plurality of sensors, an internal power supply, an angular rate sensor and an internal ring buffer memory for capturi |
| 6398668 |
Golf ball with an oxygen barrier |
June 4, 2002 |
| A golf ball having an oxygen barrier layer to protect an oxygen sensitive core is disclosed herein. The preferred oxygen barrier film is an EVOH film. The core is preferably polybutadiene and a cover is preferably polyurethane. The oxygen barrier film reduces the loss of resilience over |
| 6398666 |
Golf club striking plate with variable thickness |
June 4, 2002 |
| A golf club head having a striking plate with regions of varying thickness is disclosed herein. A central region has a first thickness range that is thicker than the thickness range of any of the other regions. The thickness of the regions decreases outward from the center. The striking |
| 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 |
| 6390933 |
High cofficient of restitution golf club head |
May 21, 2002 |
| A golf club having a club head having with a coefficient of restitution greater than 0.845 and a durability to withstand 2000 impacts with a golf ball at 110 mile per hour is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces |
| 6390932 |
Compliant polymer face golf club head |
May 21, 2002 |
| A golf club head having a face section with a polymer surface can provide a more efficient impact between a golf ball and the golf club head. By utilizing a polymer surface with desired material properties of stress, strain and damping levels, the face section will incur higher strain an |
| 6387316 |
Method of casting a thermoset layer on a golf ball precursor product |
May 14, 2002 |
| A method and system for inserting a golf ball precursor product into a cavity of a mold half for precision centering is disclosed herein. The precision centering allows for the concentricity of core in relation to the cover of a golf ball. The system includes an insertion mechanism that |
| 6386991 |
Dual density polymer putter |
May 14, 2002 |
| A golf club head (22) composed of an interior body (42) having a first density and an outer shell (40) having a second density is disclosed herein. The golf club head (22) is preferably a putter. A method (100) for forming the golf club head (22) is also disclosed herein. The interior |
| 6386990 |
Composite golf club head with integral weight strip |
May 14, 2002 |
| A golf club head composed of a composite material and having a metal weight strip in a ribbon section is disclosed herein. The metal strip may be composed of copper, tungsten or a similar metal. The composite golf club head may also have a sole plate composed of stainless steel attached |
| 6383092 |
Golf ball with pyramidal protrusions |
May 7, 2002 |
| A golf ball approaching zero land area is disclosed herein. The golf ball has an innersphere with a plurality of pyramidal projections. Each of the plurality of projections has an apex that extends to a height to conform with the 1.68 inches requirement for USGA approved golf balls. The |
| 6381828 |
Chemical etching of a striking plate for a golf club head |
May 7, 2002 |
| A method for chemically etching a forged striking plate for a golf club to uniformly remove 0.002 inch to 0.015 inch of material therefrom. The forged striking plate is placed in an acidic bath to uniformly remove material from all surfaces of the striking plate. The forging process, |
| 6379266 |
Four piece golf ball |
April 30, 2002 |
| A four-piece golf ball is disclosed herein. The golf ball has a core with an oxygen barrier boundary layer, a wound layer and a polyurethane cover. The core is preferably composed of polybutadiene material. The boundary layer is preferably composed of a blend of ionomers. The cover is |
| 6379263 |
Golf club and weighting system |
April 30, 2002 |
| A golf club head having a defined internal cavity, and a golf club head containing a bi-material weight having a nonhomogeneous structure. A method to add the bi-material weight to the golf club entails heating, vibration and cooling to produce the nonhomogeneous structure. |
| 6371868 |
Internal off-set hosel for a golf club head |
April 16, 2002 |
| A golf club having an interior hosel that is disposed inward from a striking plate to allow for compliance of the striking plate during impact with a golf ball. The present invention also includes a method for producing the golf club in which the interior hosel is attached to a later |
| 6368234 |
Golf club striking plate having elliptical regions of thickness |
April 9, 2002 |
| A golf club head having a striking plate with concentric elliptical regions of varying thickness ranges is disclosed herein. A central elliptical region has a base thickness range that is thicker than the thickness range of any of the other elliptical regions. The thickness of the ellipt |
| 6368230 |
Golf club fitting device |
April 9, 2002 |
| A golf club fitting device (20) is disclosed herein. The fitting device (20) includes a club head (22) with an internal hosel (38) that has a bore (39) that extends from a crown opening (52) to a sole opening (62). A removable insert (51) is disposed within the internal hosel (38), and a |
| 6365679 |
Two component polyurethane clear coat for golf balls |
April 2, 2002 |
| A two component polyurethane clear coat for use with golf balls includes a polyol component and a polyisocyanate component. The polyol component includes a polyester polyol resin containing a neopentyl glycol resin. A mixture of silane and aziridine is also preferably included in the pol |
| 6364789 |
Golf club head |
April 2, 2002 |
| A golf club having a club head with a striking plate and an annular deflection enhancement member isolating the striking plate from the body of the golf club head. The annular deflection enhancement member is composed of a material having a Young's Modulus lower than that of the mate |
| 6364788 |
Weighting system for a golf club head |
April 2, 2002 |
| A golf club head has a weight compartment within a hollow interior, and a weight member that is injected into the weight compartment subsequent to formation of the body of the golf club head. The preferred weight member is bismuth. The golf club head has a body that has a volume between |
| 6354962 |
Golf club head with a face composed of a forged material |
March 12, 2002 |
| A golf club having a club head with a striking plate having a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The club head may be composed of three pieces, a face, a sole and a crown. Each of the pieces may be composed of a titanium material. The striking plate of t |
| 6352662 |
Integral molded grip and shaft |
March 5, 2002 |
| A composite shaft having an integral grip. The shaft comprises a plurality of plies of pre-preg composite sheet molded into a tubular shaft body. The shaft body has a grip directly molded on one end which may include a grip geometry and/or an ornamental pattern. To manufacture the shaft, |
| 6352482 |
Golf club with hosel liner |
March 5, 2002 |
| A golf club (20) with an internal hosel (38), a shaft (40) and a hosel liner (50) is disclosed herein. The hosel liner (50) reduces axial stress on the shaft (40) during impact of the golf club (20) with a golf ball. The hosel liner (50) is preferably composed of a polycarbonate material |
| 6348015 |
Golf club head having a striking face with improved impact efficiency |
February 19, 2002 |
| A compliant golf club head permits a more efficient impact between a golf ball and the golf club head. Material and geometry constraints of a striking plate of the golf club head can reduce energy losses caused by large strain and strain rate values of the golf ball, these constraints on |
| 6348013 |
Complaint face golf club |
February 19, 2002 |
| A compliant golf club head permits a more efficient impact between a golf ball and the golf club head. By allowing a face section of the golf club head to flex rearwardly during impact with the golf ball internal stresses within the golf ball are reduced to yield a more efficient impact. |
| 6348012 |
Golf club and weighting system |
February 19, 2002 |
| A golf club head having a defined internal cavity, and a golf club head containing a bi-material weight having a nonhomogeneous structure is disclosed herein. A method to add the bi-material weight to the golf club entails heating, vibration and cooling to produce the nonhomogeneous |
| 6348011 |
Texture coating for golf club |
February 19, 2002 |
| A texture coating for golf club heads provides a durable and aesthetically pleasing exterior for wood, iron or putter golf club heads. The texture coating is a combination of a medium material, resin particles and a coupling agent. In a preferred embodiment the medium is a paint, the res |
| 6338683 |
Striking plate for a golf club head |
January 15, 2002 |
| A golf club having a club head with a striking plate that has an aspect ratio in excess of 0.575. The golf club head has a thin striking plate with a high aspect ratio in order to increase the deflection of the striking plate during impact with a golf ball. The striking plate may be |
| 6336869 |
Multiple material golf club head with a polymer insert face |
January 8, 2002 |
| The present invention is a golf club (30) having a club head main body (34) with a hollow interior (49), a support layer 41 defining a depth of a recess (38), a polymer insert (40) in the recess (38), an isolation layer (52) and a weight body (50). The polymer insert (40) is composed of |
| 6332945 |
Method for assembling a shaft to a golf club head |
December 25, 2001 |
| The method and apparatus of the present invention includes an alignment base for receiving a golf club head, an injector for injecting an adhesive material into a bore of the golf club head, and a rotating mechanism for holding and rotating a shaft for attachment to the golf club head. T |
| 6332847 |
Integral sole plate and hosel for a golf club head |
December 25, 2001 |
| A golf club head having a sole plate and hosel integral piece is disclosed herein. The integral piece may be composed of a metal material for with a golf club head having a composite body. The integral piece also improves the consistency of the loft and lie parameters of a golf club head |
| 6331150 |
Golf ball dimples with curvature continuity |
December 18, 2001 |
| A golf ball having a surface thereon with a plurality of dimples on the surface is disclosed herein. The contour of each of the dimples is continuous from a first edge of each of the dimples to a second opposing edge of each of the dimples. The contour at the first edge may be equal to |
| 6328921 |
De-molding method and apparatus for a golf ball |
December 11, 2001 |
| A method and system for de-molding golf balls having a casted layer is disclosed herein. The invention includes exerting a first lateral force against a top mold half of a mold assembly and exerting a second lateral force against a bottom mold half of the mold assembly to separate the mo |
| 6325728 |
Four faceted sole plate for a golf club head |
December 4, 2001 |
| A four faceted sole for a high performance, large volume golf club head is disclosed herein. The sole has a central facet, a heel facet, a toe facet and a rear facet. The central facet occupies 50 to 70 percent of the total sole surface area. The toe facet, the heel facet and the rear fa |
| 6319563 |
Golf ball painting method |
November 20, 2001 |
| A system and method for finishing a series of golf balls is disclosed herein. The system automatically transfers each of the golf balls from station to station on the system. The system has at least one coating station that has at least one spray gun that moves in relation to a golf |
| 6319446 |
Method of producing replaceable mold cavities and mold cavity inserts |
November 20, 2001 |
| A replaceable mold cavity for use in the production of golf balls is disclosed herein. The mold cavity has a plastic insert with an inverse dimple pattern thereon that is formed from a plastic molding material, and a support cup in which the plastic insert is placed for the golf ball |
| 6299547 |
Golf club head with an internal striking plate brace |
October 9, 2001 |
| A golf club having a club head with a thin, flexible striking plate for improved energy transfer to a golf ball also has a means for limiting the deflection of the striking plate during high speed impacts with the golf ball. A brace is positioned within the interior of the golf club head |
| 6290615 |
Golf ball having a tubular lattice pattern |
September 18, 2001 |
| A golf ball approaching zero land area is disclosed herein. The golf ball has an innersphere with a plurality of tubular projections. Each of the plurality of projections has an apex that extends to a height to conform with the 1.68 inches requirement for USGA approved golf balls. The tu |
| 6279637 |
Apparatus for automatically installing a grip on a golf club shaft |
August 28, 2001 |
| An automated apparatus for installation of a handgrip on a golf club shaft is disclosed herein. The handgrip is installed on the golf club shaft in a dry state. The present invention does not utilize solvents, lubricants or the like for the installation of the handgrip onto the golf club |
| 6277326 |
Process for liquid-phase sintering of a multiple-component material |
August 21, 2001 |
| The use of liquid phase sintering for manufacturing a high density multiple component material is disclosed herein. The preferred weighting material is a multiple component material that includes a high-density component, a binding component and an anti-oxidizing component. A preferred m |
| 6273832 |
Combination golf club with an insert and golf ball |
August 14, 2001 |
| A combination golf club with an insert and golf ball in which the cover of the golf ball and the insert are composed of substantially the same material. The preferred material is a thermoset polyurethane. An alternative material is an ionomer material. The golf club is preferably a p |
| 6273831 |
Golf club head with a polymer insert |
August 14, 2001 |
| The present invention is a golf club head having a club head body with a recess and an insert therein. The insert is composed of a thermoset polyurethane material having a shore D hardness in the range of 42 to 55, and a Bayshore rebound in the range of 51 to 60. The preferred thermoset |
| 6260250 |
Apparatus for use in adjusting the lie and/or loft angel of a golf club head |
July 17, 2001 |
| A bending plate for use in adjusting a lie and/or loft of a golf club head. The bending plate comprises means for minimizing or reducing mechanical stresses within a face region and face insert plate of the golf club head, when the golf club head is placed in a clamping apparatus. Thus, |
| 6248974 |
Method and apparatus for laser treatment of a golf ball |
June 19, 2001 |
| A laser is positioned relative to a rotating golf ball to remove any excess material, and if necessary to impart an aerodynamic pattern on particular areas of the golf ball, including the parting line. A preferred laser is a carbon dioxide laser. The laser beam may be de-focused to form |
| 6248025 |
Composite golf club head and method of manufacturing |
June 19, 2001 |
| A golf club having a club head with a striking plate composed of a composite material and having a thickness in the range of 0.010 to 0.250 inches is disclosed herein. The golf club head also has a coefficient of restitution greater than 0.8 under test conditions such as the USGA test |
| 6245386 |
Method and system for finishing a golf ball |
June 12, 2001 |
| A method and system for finishing a golf ball to prevent tip marks is disclosed herein. The present invention includes whitening a portion of a golf ball, then positioning the golf ball in such manner that the tips of a carrier engage the whitened portion. The whitening may be accomplish |
| 6245178 |
Method and apparatus for automatically installing a grip on a golf club shaft |
June 12, 2001 |
| An automated process and apparatus for installation of a handgrip on a golf club shaft is disclosed herein. The handgrip is installed on the golf club shaft in a dry state. The present invention does not utilize solvents, lubricants or the like for the installation of the handgrip onto t |
| 6244976 |
Integral sole plate and hosel for a golf club head |
June 12, 2001 |
| A golf club head having a sole plate and hosel integral piece is disclosed herein. The integral piece may be composed of a metal material for with a golf club head having a composite body. The integral piece also improves the consistency of the loft and lie parameters of a golf club head |