A golf club head comprising a body and a hollow stiffening structure is disclosed herein. The body comprises a face section, a sole section, and a crown section, and defines a hollow interior. The hollow stiffening structure extends within the hollow interior from the crown section to the sole section to reduce stresses placed on the face section during impact with a golf ball. The hollow stiffening structure creates stiffness in a vertical, crown-sole direction of the body, while reducing stiffness in the horizontal, front-rear direction, and is filled with a weighted dampening insert that extends the entirety of the length of the stiffening structure and blocks entry into the stiffening structure.
Golf club components with complex structures such as lattice structures, beam structures, and complex surface-based structures, are described herein. A binder jet machine is used create complex structures within these golf club components to optimize weighting, sound, and performance of golf club heads. These components may be manufactured using a method that includes the steps of designing a golf club head component in CAD using optimization software, printing the component from a powdered material, and then removing excess powder from the component via port holes that extend into an external surface of the component and communicate with interior voids within the component.
JACK WOLFSKIN AUSRÜSTUNG FÜR DRAUSSEN GMBH & CO. KGAA (Allemagne)
CALLAWAY GOLF COMPANY (USA)
Inventeur(s)
Lin, Yuwei
Xu, Yingbo
Zeng, Donghui
Yan, Zhijian
Grasso, Daniele
Wong, Wai Hing Imen
Abrégé
Disclosed in the present invention are a film prepared from a waste thermoplastic elastomer and a laminate thereof. Compositions for forming the film comprise: 0.5%-99.8% of a waste thermoplastic elastomer, 0.01%-3% of a viscosity modifier, 0.01%-10% of a slipping agent for preventing the prepared film from being bonded when the film is rolled, and 0%-99% of a fresh thermoplastic elastomer; the thermoplastic elastomer is a polyester elastomer, a nylon elastomer, a biologically sourced nylon elastomer and/or a biologically sourced polyester elastomer, and a graft thereof; the viscosity modifier is a reactive viscosity modifier and/or a non-reactive viscosity modifier; and the slipping agent is a fatty acid and esters thereof, fatty acid amide, a metallic soap, hydrocarbons, an organosilicon compound, stearic acid, butyl stearate and/or ethylene bis stearamide. A thermally-stitched seam of the present invention has the characteristics of having excellent waterproof and vapor permeable performance, being capable of blocking viruses and liquids, being smooth in appearance without wrinkles and soft in touch feeling and the like. The film prepared in the present invention has good moisture permeability, washing performance, tensile strength, and required touch feeling softness.
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
C08L 67/00 - Compositions contenant des polyesters obtenus par des réactions créant une liaison ester carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/12 - Produits stratifiés composés essentiellement de résine synthétique adjacente à une couche fibreuse ou filamenteuse
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
B32B 27/36 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyesters
6.
FILM FORMED FROM WASTE THERMOPLASTIC ELASTOMER AND RECYCLED POLYESTER, AND LAMINATE
JACK WOLFSKIN AUSRÜSTUNG FÜR DRAUSSEN GMBH & CO. KGAA (Allemagne)
CALLAWAY GOLF COMPANY (USA)
Inventeur(s)
Lin, Yuwei
Xu, Yingbo
Zeng, Donghui
Yan, Zhijian
Grasso, Daniele
Wong, Wai Hing Imen
Abrégé
Disclosed are a film prepared from a waste thermoplastic elastomer and recycled polyester, and a laminate thereof. The composition for forming the film comprises: 0.5%-90% of a waste thermoplastic elastomer, 0.5%-90% recycled polyester having an intrinsic viscosity of between 0.5-2, 0.01%-3% of a viscosity modifier, 0.01%-10% of a slipping agent for preventing adhesion when the prepared film is rolled, and 0%-98% of a fresh thermoplastic elastomer. The recycled polyester is a recycled polyester bottle, a polyester fishing net, a polyester packaging material, an electronic product polyester injection molded part, a polyester building product, polyester home textiles, and the like. The thermoplastic elastomer is a terylene elastomer, a nylon elastomer, a biologically derived nylon elastomer, and/or a biologically derived terylene elastomer. The prepared film has good moisture permeability, washing performance, tensile strength, and desired hand feel softness.
C08L 67/02 - Polyesters dérivés des acides dicarboxyliques et des composés dihydroxylés
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principaleCompositions contenant des dérivés de tels polymères
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/06 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique
B32B 27/12 - Produits stratifiés composés essentiellement de résine synthétique adjacente à une couche fibreuse ou filamenteuse
B32B 27/36 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyesters
7.
Process for incorporating nanofiller masterbatch into a core of a golf ball
A method for forming a golf ball core with a nanofiller masterbatch is disclosed herein. The method includes mixing the nanofiller masterbatch, a graphene masterbatch material with other materials to form a core mixture, wherein the masterbatch preferably comprises 1-80% by weight of nanofillers and 20-99% by weight of a carrier polymer.
Golf club components with complex such as lattice structures, beam structures, and complex surface-based structures, are described herein. A binder jet machine is used create complex structures within these golf club components to optimize weighting, sound, and performance of golf club heads. These components may be manufactured using a method that preferably includes the steps of designing a golf club head component in CAD using optimization software, printing the component from a powdered material, and then removing excess powder from the component via port holes that extend into an external surface of the component and communicate with interior voids within the component.
A golf ball with improved durability is disclosed herein. The golf ball has a core comprising a polybutadiene material and methyl methacrylate, butadiene, styrene (MBS) with a weight percentage of MBS ranging from 0.5 to 5 weight percent of the core.
A golf club head comprising at least one structural support member is disclosed herein. The structural support member has a smooth, organic-looking aesthetic and connects unsupported portions of the golf club head to improve the acoustics of the golf club head upon impact with a golf ball. Where the support member connects to other portions of the golf club head, the surfaces of the member have a curvature that changes smoothly and continuously, lacking any sharp corners.
A process for manufacturing a putter with a bi-material shaft is disclosed herein. The putter comprises a putter head, the bi-material shaft, a mass member and a grip. The bi-material shaft comprises a body with a tip end and a butt end. The body comprises a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection point. The mass member is positioned within an opening at the butt end of the shaft. Mass from the shaft is transferred to the club head and the mass member in the butt end of the shaft.
F16B 11/00 - Assemblage d'éléments structuraux ou parties de machines par collage ou en les pressant l'un contre l'autre, p. ex. soudage sous pression à froid
B29C 35/04 - Chauffage ou durcissement, p. ex. réticulation ou vulcanisation avec des liquides, des gaz ou de la vapeur d'eau
C09J 11/04 - Additifs non macromoléculaires inorganiques
A golf ball with improved durability is disclosed herein. The golf ball has a mantle layer comprising a blend of ionomers and methyl methacrylate, butadiene, styrene (MBS) with a weight percentage of MBS ranging from 5 to 15 weight percent of the mantle layer.
A golf ball (10) comprising layers that have from 0.05% to 70% by weight of a radio-opaque filler, and wherein the concentration of the radio-opaque filler is measurably different in each layer is disclosed herein. The radio-opaque filler is preferably a compound based on barium, bismuth, tungsten, iodine, or reduced iron.
A golf club head with an adjustable weight assembly that includes a pair of stacked, rotatable circular plates with through-slots and a slidable weight that can move within the slots and clamp the plates together so that they are reversibly fixed to a body portion is disclosed herein. The plates are preferably composed of a lightweight material such as composite, and are located on the sole so that the weight assembly is visible to a user. The plate and slidable weight combination and allows for an increased range of personal performance customization by way of adjustability and interchangeability without using up available discretionary mass in the golf club head.
A golf ball with a center core comprising 1,4 polybutadiene with a cis content more than 50% and containing a metal salt of acrylate, wherein the 1,4 polybutadiene has 5 to 60 weight percent of a metal salt of acrylate, is disclosed herein. The metal salt of acrylate is preferably selected from zinc, magnesium, sodium, and calcium.
A grip for a golf club is disclosed herein. The grip comprises an inner layer, an outer layer, a primer layer and a topcoat layer. At least one layer comprises a thermochromic pigment or a thermochromic paint.
A63B 60/08 - Poignées caractérisées par le matériau
A63B 60/10 - Poignées avec indication des positions correctes de tenue
A63B 71/06 - Dispositifs indicateurs ou de marque pour jeux ou joueurs
B32B 15/06 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de caoutchouc
A method of manufacturing golf club heads, and particularly putter heads, using metal injection molding and plasma polishing is disclosed herein. The metal injection molding process is facilitated with a base tool having a golf club head shaped cavity and interchangeable hosel core tools. The use of interchangeable hosel core tools allows a manufacturer to quickly and easily alter the overall shape of the putter head, and greatly reduces the number of base tools needed to create an entire line of putter heads with different hosel designs. This plasma polishing process yields a glossy cosmetic shine appearance, increases corrosion and rust resistance, and provides a smoother surface to which post process operations can adhere.
B22F 3/22 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet pour la fabrication de pièces par coulée en moule poreux ou absorbant, c.-à-d. par coulée d'une suspension de poudre métallique dans un moule poreux, d'une façon analogue au coulage de la barbotine
A laser mandrel system that self-centers within a hosel bore of a golf club head to allow for precision adjustment of lie and loft is disclosed herein. The mandrel includes a one-piece housing with upper and lower portions, a laser centered within the upper portion of the housing, and a plurality of o-rings extending around an exterior or interior surface of a lower portion of the housing.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A golf club head comprising a channel, a slidable weight that can be reversibly fixed at any point within the channel, and a pocket to store a portion of the slidable weight is disclosed herein. The slidable weight comprises first and second weight plates, each made of materials having different densities, a lightweight retainer, a screw, and a nut. The second weight plate has the same dimensions as, and is interchangeable with, the first weight plate and is disposed in a pocket in the sole proximate the face of the golf club head. The retainer and nut have snap-fit features that allow them to remain loosely attached to one another during adjustment of the assembly and when one weight plate is swapped with the other.
A process for manufacturing a putter with a bi-material shaft is disclosed herein. The putter comprises a putter head, the bi-material shaft, a mass member and a grip. The bi-material shaft comprises a body with a tip end and a butt end. The body comprises a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection point. The mass member is positioned within an opening at the butt end of the shaft. Mass from the shaft is transferred to the club head and the mass member in the butt end of the shaft.
A golf club head with an adjustable weight assembly that includes a pair of stacked, rotatable circular plates with through-slots and a slidable weight that can move within the slots and clamp the plates together so that they are reversibly fixed to a body portion is disclosed herein. The plates are preferably composed of a lightweight material such as composite, and are located on the sole so that the weight assembly is visible to a user. The plate and slidable weight combination and allows for an increased range of personal performance customization by way of adjustability and interchangeability without using up available discretionary mass in the golf club head.
A golf club head comprising a body and a stiffening structure is disclosed herein. The body comprises a face section, a sole section, and a crown section, and defines a hollow interior. The stiffening structure extends within the hollow interior from the crown section to the sole section to reduce stresses placed on the face section during impact with a golf ball. The stiffening structure is entirely located within 0.500 inch of a rear surface of the face section measured along a plane normal to the center of the face, and within 1 inch of the center of the face section along a horizontal axis parallel to the face section, and comprises heel and toe connectors connected to one another by a middle connector, such that the stiffening structure has an approximately X- or H-overall shape.
A golf ball comprising a core composed of a fully neutralized polymer material is disclosed herein. The golf ball also preferably has multiple mantle layers and a cover.
A face insert for a golf club head, preferably a putter head, is disclosed herein. The face insert comprises a pair of stacked plates, each with a plurality of hinge features. The hinge features of the lower plate extend through openings in the upper plate so that the plates are locked together, and the edge surfaces of the hinge features combine to create a striking surface that increases topspin of a golf ball.
A golf club head comprising a body with a heel-side sole opening in communication with a hosel bore, a removable shaft sleeve with a tip sized to fit within the hosel bore, and a weight plug sized to fit within, and at least partially fill, the heel-side opening is disclosed herein. The weight plug, which has a base end with a through-opening, a tip end with a flange, and a side opening in communication with the through-opening, is connected to the shaft sleeve with a screw. When the golf club head is fully assembled, a hosel flange is trapped between the weight plug and the tip end of the shaft sleeve, and tightening the screw causes the weight plug and the shaft sleeve to move towards one another.
A golf club head, preferably a putter head, comprising at least one structural support member is disclosed herein. The structural support member has a smooth, organic-looking aesthetic, with a continuously changing curvature along its spline and at least one surface, and preferably connects one portion of the golf club head to another portion. Where the support member connects to other portions of the golf club head, the surfaces of the member have a curvature that changes smoothly and continuously, lacking any sharp corners.
A multiple material golf club head made of different metals that, when combined via additive manufacturing, transmit tensile or compressive force, shear force, bending moment, and torsional moment as if the different metal parts were a single piece of material is disclosed herein. In particular, the golf club head is a putter head with a body piece made of a first metal material that is in direct contact with a face piece made of a second metal material, and applied via additive manufacturing, such that load conditions are transmissible at a boundary between these two pieces. The second metal material forms at least a portion of the striking surface and a lower region of the hosel, and the interface between the two materials is contiguous from the face to the hosel.
B22F 7/06 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés
B33Y 80/00 - Produits obtenus par fabrication additive
29.
Method for printing an image at multiple locations on a golf ball
A method and system for printing an image at multiple locations on a golf ball is disclosed herein. The printing station comprises a plurality of stamping stations, each of the plurality of stamping stations comprising a pad carousel comprising a plurality of pads, a plurality of curing stations, and a plurality of reorienting stations.
B41M 1/40 - Impression sur des objets de forme particulière
B41F 17/30 - Appareils ou machines à imprimer de type particulier ou pour emploi particulier, non prévus ailleurs pour l'impression des surfaces courbes d'objets essentiellement ou partiellement sphériques
A golf club head having an adjustable hosel assembly and a plug assembly that can reversibly secure the hosel assembly in a chosen configuration within the club head is disclosed herein. In particular, the hosel assembly includes a shaft sleeve that is trapped within a hosel opening with a screw that extends through an interior flange. The plug assembly includes a wedge-shaped flange that is inserted into an opening in the body and fits between the interior flange and the head of the screw to temporarily immobilize the shaft sleeve. The plug assembly preferably completely fills the opening in the body so as to preserve a smooth outer mold line of the club head and allow graphics or decorations to extend across the exterior surface without disruption.
A golf club head comprising a body and a plurality of stiffening members, the tension or compression of which can be adjusted, is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members is at least partially disposed within the hollow interior, and extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The compression or tension of the stiffening members may be adjusted to affect the stresses experienced by the golf club head upon impact with a golf ball.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A63B 60/00 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues
A face insert for a golf club head, preferably a putter head, is disclosed herein. The face insert comprises a pair of stacked plates, each with a plurality of hinge features. The hinge features of the lower plate extend through openings in the upper plate so that the plates are locked together, and the edge surfaces of the hinge features combine to create a striking surface that increases topspin of a golf ball.
A golf club head comprising a body cast from a combination material comprising a titanium alloy and a graphene material is disclosed herein. The titanium alloy preferably is 6-4, and the graphene material may be graphene or graphene oxide, and may comprise 0.01-5.0% by weight of the combination metal alloy.
A golf club head, preferably a putter head, comprising a replaceable face insert is disclosed herein. The golf club head comprises a body with face cavity and a secondary cavity in communication with, and disposed behind, the face cavity, and at least one opening extending through a top or sole portion into the secondary cavity. The replaceable face insert comprises a striking portion and a support structure extending from a rear surface of the striking portion. The support structure is received within the secondary cavity and the striking portion is received within the face cavity, and then a rod or bolt is inserted through the opening and through the support structure to reversibly secure the face insert to the body. A linear bearing may be disposed within the support structure to receive the rod or bolt.
A golf club head comprising a channel, a slidable weight that can be reversibly fixed at any point within the channel, and a pocket to store a portion of the slidable weight is disclosed herein. The slidable weight comprises first and second weight plates, each made of materials having different densities, a lightweight retainer, a screw, and a nut. The second weight plate has the same dimensions as, and is interchangeable with, the first weight plate and is disposed in a pocket in the sole proximate the face of the golf club head. The retainer and nut have snap-fit features that allow them to remain loosely attached to one another during adjustment of the assembly and when one weight plate is swapped with the other.
A golf ball with a center core comprising 1,4 polybutadiene with a cis content more than 50% and containing a metal salt of acrylate, wherein the 1,4 polybutadiene has 5 to 60 weight percent of a metal salt of acrylate, is disclosed herein. The metal salt of acrylate is preferably selected from zinc, magnesium, sodium, and calcium.
An golf club head with a structure that improves the sound and reduces stress placed on the face upon impact with a golf ball is disclosed herein. In particular, the golf club head is an iron with a face having a rear protrusion, also referred to as a piston, with both forward and rearward facing surfaces. The piston is at least partially received within a receptacle provided in the body of the golf club head. The receptacle also includes a pair of bumpers, one of which interacts with the piston to improve the sound of the face upon impact with a golf ball at speeds at which an average golfer would swing the club head, and the other of which reduces the stress placed on the face when the club makes impact with a golf ball at high speeds.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A63B 60/54 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues avec moyens d’amortir les vibrations
A golf club head, preferably a putter head, comprising at least one structural support member is disclosed herein. The structural support member has a smooth, organic-looking aesthetic, with a continuously changing curvature along its spline and at least one surface, and preferably connects one portion of the golf club head to another portion. Where the support member connects to other portions of the golf club head, the surfaces of the member have a curvature that changes smoothly and continuously, lacking any sharp corners.
A golf club head with an adjustable weight assembly that includes a pair of stacked, rotatable circular plates with through-slots and a slidable weight that can move within the slots and clamp the plates together so that they are reversibly fixed to a body portion is disclosed herein. The plates are preferably composed of a lightweight material such as composite, and are located on the sole so that the weight assembly is visible to a user. The plate and slidable weight combination and allows for an increased range of personal performance customization by way of adjustability and interchangeability without using up available discretionary mass in the golf club head.
A multiple material golf club head made of different metals that, when combined via additive manufacturing, transmit tensile or compressive force, shear force, bending moment, and torsional moment as if the different metal parts were a single piece of material is disclosed herein. In particular, the golf club head is a putter head with a body piece made of a first metal material that is in direct contact with a face piece made of a second metal material, and applied via additive manufacturing, such that load conditions are transmissible at a boundary between these two pieces. The second metal material forms at least a portion of the striking surface and a lower region of the hosel, and the interface between the two materials is contiguous from the face to the hosel.
B22F 7/06 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés
B33Y 80/00 - Produits obtenus par fabrication additive
A golf club head comprising at least one part manufactured via a metal injection molding process, and attached to another part of the golf club head via electrical resistance welding or electrical resistance brazing, is disclosed herein. The present invention is also directed to a method of making said golf club head, the method comprising the steps of providing a first golf club head part made from a first metal material, metal injection molding a second golf club head part from a second, different metal material, and electrical resistance welding or electrical resistance brazing the second golf club head part to the first golf club head part to form a combined part.
B23K 11/00 - Soudage par résistanceSectionnement par chauffage par résistance
B22F 3/22 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet pour la fabrication de pièces par coulée en moule poreux ou absorbant, c.-à-d. par coulée d'une suspension de poudre métallique dans un moule poreux, d'une façon analogue au coulage de la barbotine
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 7/06 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés
A grip for a golf club is disclosed herein. The grip comprises an inner layer, an outer layer, a primer layer and a topcoat layer. At least one layer comprises a thermochromic pigment or a thermochromic paint.
A63B 60/08 - Poignées caractérisées par le matériau
A63B 60/10 - Poignées avec indication des positions correctes de tenue
B32B 15/06 - Produits stratifiés composés essentiellement de métal comprenant un métal comme seul composant ou comme composant principal d'une couche adjacente à une autre couche d'une substance spécifique de caoutchouc
A63B 71/06 - Dispositifs indicateurs ou de marque pour jeux ou joueurs
43.
Golf ball having indentations in a lattice structure
A golf ball (20) approaching zero land area is disclosed herein with a plurality of indentations positioned on the lattices of a plurality of multi-faceted polygons. The golf ball (20) has an innersphere with a plurality of lattice members (40). Each of the plurality of lattice members (40) has an apex and the golf ball (20) of the present invention conforms with the 1.68 inches requirement for USGA-approved golf balls.
A golf club head having an adjustable hosel assembly and a plug assembly that can reversibly secure the hosel assembly in a chosen configuration within the club head is disclosed herein. In particular, the hosel assembly includes a shaft sleeve that is trapped within a hosel opening with a screw that extends through an interior flange. The plug assembly includes a wedge-shaped flange that is inserted into an opening in the body and fits between the interior flange and the head of the screw to temporarily immobilize the shaft sleeve. The plug assembly preferably completely fills the opening in the body so as to preserve a smooth outer mold line of the club head and allow graphics or decorations to extend across the exterior surface without disruption.
A golf club head comprising a body and a stiffening structure is disclosed herein. The body comprises a face section, a sole section, and a crown section, and defines a hollow interior. The stiffening structure extends within the hollow interior from the crown section to the sole section to reduce stresses placed on the face section during impact with a golf ball. The stiffening structure is entirely located within 0.500 inch of a rear surface of the face section measured along a plane normal to the center of the face, and within 1 inch of the center of the face section along a horizontal axis parallel to the face section, and comprises heel and toe connectors connected to one another by a middle connector, such that the stiffening structure has an approximately X- or H- overall shape.
A golf ball with improved durability is disclosed herein. The golf ball has a mantle layer comprising a blend of ionomers and methyl methacrylate, butadiene, styrene (MBS) with a weight percentage of MBS ranging from 5 to 15 weight percent of the mantle layer.
A resilient face insert for a golf club head, preferably a putter head, is disclosed herein. In particular, the face insert comprises a plurality of hinge features spaced from a striking surface to ensure consistent ball speed across the striking surface. Each hinge feature comprises a tab portion that is spaced from the striking surface by a stem portion and that extends parallel to the striking surface, and is angled with respect to a horizontal y-axis. The orientation of hinge features with respect to the y-axis varies across the face, which reduces sidespin from mishits and produces consistent topspin regardless of impact location of a golf ball on the face insert.
The disclosure is directed to a golf club head having an adjustable tension cable disposed proximate the face. The body has a face, a sole, and a return section, and defines a hollow interior. The cable extends between the return section and the sole within the hollow interior near the face to reduce stresses placed on the face during impact with a golf ball. The cable preferably forms a woven structure, with multiple connections between the return section and sole, and the tension in the cable is adjustable via a screw connected to one end of the cable that engages a threaded bore disposed near the hosel.
A process for manufacturing a putter with a bi-material shaft is disclosed herein. The putter comprises a putter head, the bi-material shaft, a mass member and a grip. The bi-material shaft comprises a body with a tip end and a butt end. The body comprises a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection point. The mass member is positioned within an opening at the butt end of the shaft. Mass from the shaft is transferred to the club head and the mass member in the butt end of the shaft.
A golf ball with a coating disposed on a cover that is infused with graphene in an amount ranging from 0.01% to 5% based on a dry weight of the paint film is disclosed herein. The coating is preferably based on polyurethane chemistry where hydroxyl functional polymers are cured with polyisocyanate-based hardeners. The coating is preferably applied in a dipping process or a spraying process.
A golf ball comprising a core comprising an inner core center and an outer core layer disposed over the inner core center. The inner core center has a deflection of greater than 0.210 inch under a load of 100 kilograms, and the entire the core has a deflection ranging from 0.130 inch to 0.105 inch under a load of 100 kilograms. A mantle layer is disposed over the core and a cover is disposed over the mantle.
A multiple-material golf club head with a resilient crown structure and an improved, graphene-infused coating is disclosed herein. The crown comprises a metal support structure that is attached to the body of the golf club head and supports a composite outer layer. The golf club head is also at least partially coated with a paint film that is infused with graphene particles.
A golf ball with a center core comprising 1,4 polybutadiene with a cis content more than 50% and containing a metal salt of acrylate, wherein the 1,4 polybutadiene has 5 to 60 weight percent of a metal salt of acrylate, is disclosed herein. The metal salt of acrylate is preferably selected from zinc, magnesium, sodium, and calcium.
A putter head comprising a novel alignment structure is disclosed herein. In particular, the putter comprises an alignment sphere attached to an upper surface of a lower flange and an alignment ring suspended over the lower flange and vertically aligned with the alignment sphere. When a golfer has oriented the putter properly in front of a golf ball at address, the alignment sphere will appear to the golfer to be encircled by the alignment ring.
An golf club head with a structure that improves the sound and reduces stress placed on the face upon impact with a golf ball is disclosed herein. In particular, the golf club head is an iron with a face having a rear protrusion, also referred to as a piston, with both forward and rearward facing surfaces. The piston is at least partially received within a receptacle provided in the body of the golf club head. The receptacle also includes a pair of bumpers, one of which interacts with the piston to improve the sound of the face upon impact with a golf ball at speeds at which an average golfer would swing the club head, and the other of which reduces the stress placed on the face when the club makes impact with a golf ball at high speeds.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A63B 60/54 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues avec moyens d’amortir les vibrations
A golf club head having a hosel, a hollow interior, and a support structure disposed within the hollow interior proximate a flange region is disclosed herein. In particular, the present invention is directed to a fairway wood head comprising a body with a front wall, an upper opening, a return portion between the front wall and the upper opening, a hosel, an interface between the hosel and the heel side of the body, and a hosel support ring or support rod, and a composite crown affixed to the body to close the upper opening and define a hollow interior. The support structure reduces the stresses placed on, for example, the crown during hosel bending processes.
A golf club head with a face stress-reduction structure disposed proximate a rear surface of a striking face is disclosed herein. In particular, the structure is an adjustable tension cable assembly extending from an upper portion of the golf club head, preferably a return section, to a lower portion of the golf club head, preferably a sole portion, approximately parallel with the rear surface of the striking face. The cable assembly comprises a cable portion, a hollow sleeve, and a screw plug.
A golf ball (20) approaching zero land area is disclosed herein with a plurality of multi-faceted polygons and each of the plurality of multi-faceted polygons has a protrusion extending outward from a surface of the multi-faceted polygon. The golf ball (20) has an innersphere with a plurality of lattice members (40). Each of the plurality of lattice members (40) has an apex and the golf ball (20) of the present invention conforms with the 1.68 inches requirement for USGA-approved golf balls.
A golf ball with an outer core comprising a polybutadiene material and a carbon black material in an amount ranging from 0.1 to 10.0 weight percent of the outer core is disclosed herein. The golf ball may have multiple layers. A preferred embodiment of a golf ball comprises a dual core, a mantle layer and a cover.
A golf club head having an adjustable hosel assembly and a plug assembly that can reversibly secure the hosel assembly in a chosen configuration within the club head is disclosed herein. In particular, the hosel assembly includes a shaft sleeve that is trapped within a hosel opening with a screw that extends through an interior flange. The plug assembly includes a wedge-shaped flange that is inserted into an opening in the body and fits between the interior flange and the head of the screw to temporarily immobilize the shaft sleeve. The plug assembly preferably completely fills the opening in the body so as to preserve a smooth outer mold line of the club head and allow graphics or decorations to extend across the exterior surface without disruption.
A golf ball comprising a core composed of a fully neutralized polymer material is disclosed herein. The golf ball also preferably has multiple mantle layers and a cover.
A golf club head comprising at least one part manufactured via a metal injection molding process, and attached to another part of the golf club head via electrical resistance welding or electrical resistance brazing, is disclosed herein. The present invention is also directed to a method of making said golf club head, the method comprising the steps of providing a first golf club head part made from a first metal material, metal injection molding a second golf club head part from a second, different metal material, and electrical resistance welding or electrical resistance brazing the second golf club head part to the first golf club head part to form a combined part.
B23K 11/00 - Soudage par résistanceSectionnement par chauffage par résistance
B22F 3/22 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet pour la fabrication de pièces par coulée en moule poreux ou absorbant, c.-à-d. par coulée d'une suspension de poudre métallique dans un moule poreux, d'une façon analogue au coulage de la barbotine
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B22F 7/06 - Fabrication de couches composites, de pièces ou d'objets à base de poudres métalliques, par frittage avec ou sans compactage de pièces ou objets composés de parties différentes, p. ex. pour former des outils à embouts rapportés
A resilient face insert for a golf club head, preferably a putter head, is disclosed herein. In particular, the face insert comprises a plurality of hinge features spaced from a striking surface to ensure consistent ball speed across the striking surface. At least a portion of each hinge feature extends parallel to the striking surface without making contact with the striking surface. In the preferred embodiment, each hinge feature comprises a tab portion that is spaced from the striking surface by a stem portion and that extends parallel to the striking surface. The hinge features may be co-molded with a polymeric backing material having a plurality of parallel grooves in order to further improve performance of the face insert.
A golf club head having an adjustable assembly comprising a weight arm that is at least partially suspended within an interior cavity of the body of the golf club head is disclosed herein. The weight arm, which comprises a bar with a weighted portion affixed to one end of the bar, can be moved within the interior cavity to change the golf club head center of gravity, thereby adjusting the bias of the club head.
A resilient face insert for a golf club head, preferably a putter head, is disclosed herein. In particular, the face insert comprises a plurality of hinge features spaced from a striking surface to ensure consistent ball speed across the striking surface. Each hinge feature comprises a tab portion that is spaced from the striking surface by a stem portion and that extends parallel to the striking surface, and is angled with respect to a horizontal y-axis. The orientation of hinge features with respect to the y-axis varies across the face, which reduces sidespin from mishits and produces consistent topspin regardless of impact location of a golf ball on the face insert.
A golf club head, preferably a putter head, comprising a replaceable face insert is disclosed herein. The golf club head comprises a body with face cavity and a secondary cavity in communication with, and disposed behind, the face cavity, and at least one opening extending through a top or sole portion into the secondary cavity. The replaceable face insert comprises a striking portion and a support structure extending from a rear surface of the striking portion. The support structure is received within the secondary cavity and the striking portion is received within the face cavity, and then a rod or bolt is inserted through the opening and through the support structure to reversibly secure the face insert to the body. A linear bearing may be disposed within the support structure to receive the rod or bolt.
A golf ball (10) with a core (12) comprising polybutadiene and graphene, and a soft cover (16) is disclosed herein. The golf ball (10) has a dual core (12) with an outer core (l2b) comprising polybutadiene and graphene. The soft cover (16) is preferably composed of a highly neutralized polymer, a first ionomer, a second ionomer, and an impact modifier.
A golf club head comprising at least one part manufactured via a metal injection molding process, and attached to another part of the golf club head via electrical resistance welding, is disclosed herein. The present invention is also directed to a method of making said golf club head, the method comprising the steps of providing a first golf club head part made from a first metal material, metal injection molding a second golf club head part from a second, different metal material, and electrical resistance welding the second golf club head part to the first golf club head part to form a combined part.
B22F 3/22 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet pour la fabrication de pièces par coulée en moule poreux ou absorbant, c.-à-d. par coulée d'une suspension de poudre métallique dans un moule poreux, d'une façon analogue au coulage de la barbotine
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
B23K 11/00 - Soudage par résistanceSectionnement par chauffage par résistance
The disclosure is directed to a golf club head having an adjustable tension cable disposed proximate the face. The body has a face, a sole, and a return section, and defines a hollow interior. The cable extends between the return section and the sole within the hollow interior near the face to reduce stresses placed on the face during impact with a golf ball. The cable preferably forms a woven structure, with multiple connections between the return section and sole, and the tension in the cable is adjustable via a screw connected to one end of the cable that engages a threaded bore disposed near the hosel.
A golf ball with a core comprising polybutadiene and graphene is disclosed herein. The golf ball has a single core comprising polybutadiene and graphene. Alternatively, the golf ball has a dual core with an inner core comprising polybutadiene and graphene. Alternatively, the golf ball has a dual core with an outer core comprising polybutadiene and graphene.
A golf ball with a mantle layer comprising an ionomer material and a graphene material in an amount ranging from 0.1 to 5.0 weight percent of the mantle layer is disclosed herein. The golf ball may multiple layers. A preferred embodiment of a golf ball comprises a core, a mantle layer and a cover.
An golf club head with a structure that improves the sound and reduces stress placed on the face upon impact with a golf ball is disclosed herein. In particular, the golf club head is an iron with a face having a rear protrusion, also referred to as a piston, with both forward and rearward facing surfaces. The piston is at least partially received within a receptacle provided in the body of the golf club head. The receptacle also includes a pair of bumpers, one of which interacts with the piston to improve the sound of the face upon impact with a golf ball at speeds at which an average golfer would swing the club head, and the other of which reduces the stress placed on the face when the club makes impact with a golf ball at high speeds.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A63B 60/54 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues avec moyens d’amortir les vibrations
A putter with a bi-material shaft is disclosed herein. The golf ball may multiple layers. The putter comprises a putter head, the bi-material shaft, a mass member and a grip. The bi-material shaft comprises a body with a tip end and a butt end. The body comprises a metal section extending from the tip end to a connection point, and a composite section extending from the butt end to the connection point. The mass member is positioned within an opening at the butt end of the shaft. Mass from the shaft is transferred to the club head and the mass member in the butt end of the shaft.
A golf club head having an adjustable assembly comprising a weight arm that is at least partially suspended within an interior cavity of the body of the golf club head is disclosed herein. The weight arm, which comprises a bar with a weighted portion affixed to one end of the bar, can be moved within the interior cavity to change the golf club head center of gravity, thereby adjusting the bias of the club head.
A golf club head with a face stress-reduction structure disposed proximate a rear surface of a striking face is disclosed herein. In particular, the structure is an adjustable tension cable assembly extending from an upper portion of the golf club head, preferably a return section, to a lower portion of the golf club head, preferably a sole portion, approximately parallel with the rear surface of the striking face. The cable assembly comprises a cable portion, a hollow sleeve, and a screw plug.
A golf club head comprising a body with a heel-side sole opening in communication with a hosel bore, a removable shaft sleeve with a tip sized to fit within the hosel bore, and a weight plug sized to fit within, and at least partially fill, the heel-side opening is disclosed herein. The weight plug, which has a base end with a through-opening, a tip end with a flange, and a side opening in communication with the through-opening, is connected to the shaft sleeve with a screw. When the golf club head is fully assembled, a hosel flange is trapped between the weight plug and the tip end of the shaft sleeve, and tightening the screw causes the weight plug and the shaft sleeve to move towards one another.
A golf club head having a hosel, a hollow interior, and a support structure disposed within the hollow interior proximate a flange region is disclosed herein. In particular, the present invention is directed to a fairway wood head comprising a body with a front wall, an upper opening, a return portion between the front wall and the upper opening, a hosel, an interface between the hosel and the heel side of the body, and a hosel support ring or support rod, and a composite crown affixed to the body to close the upper opening and define a hollow interior. The support structure reduces the stresses placed on, for example, the crown during hosel bending processes.
An golf club head with a structure that improves the sound and reduces stress placed on the face upon impact with a golf ball is disclosed herein. In particular, the golf club head is an iron with a face having a rear protrusion, also referred to as a piston, with both forward and rearward facing surfaces. The piston is at least partially received within a receptacle provided in the body of the golf club head. The receptacle also includes a pair of bumpers, one of which interacts with the piston to improve the sound of the face upon impact with a golf ball at speeds at which an average golfer would swing the club head, and the other of which reduces the stress placed on the face when the club makes impact with a golf ball at high speeds.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A63B 60/54 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues avec moyens d’amortir les vibrations
ballnorm≥0.0356x+140.82, is disclosed herein. The body comprises a face, a sole, and a return section, and defines a hollow interior. Each of the rods extends from the return section to the sole within the hollow interior proximate the face to reduce stresses placed on the face during impact with a golf ball. The rods are all located within 1 inch of a rear surface of the face measured along a plane normal to the center of the face, and are spaced a distance of 0.500 to 2.00 inch from one another within the hollow interior. The variable face thickness pattern preferably comprises a plurality of concentric rings, with a center ring having a thickness that is less than a thickness of an intermediary ring.
The present invention is directed to a body for a golf club head that includes structural columns or connectors, also referred to as stiffening members, and particularly a pair of solid rods, that extend between a return section and a sole section approximately parallel with a rear surface of a striking face section and parallel with each other without touching the rear surface or one another, even during impact with a golf ball. Each of the solid rods preferably is cylindrical, has a diameter of 0.050 inch to 0.200 inch, and has a length of 1 to 2.5 inches. Each of the rods has an upper end and a lower end. The solid rods preferably have a variable diameter to reduce their overall mass, such that the upper ends and lower ends have diameters that are larger than, and taper towards, a midpoint of the solid rods so that the solid rods each has an approximate hourglass shape.
B22C 9/24 - Moules pour pièces de forme particulière pour pièces évidées
A63B 60/52 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues avec fentes
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A polyurethane coating that is based on polyol mixture containing acrylic polyol and BEPD based caprolcatone polyol is disclosed herein. The polyurethane coating comprises a part A component and a part B component, with the part A component comprising an acrylic polyol, a BEPD polyol, a 3-Oxazolidineethanol, a fluorosurfactant, a hindered amine light stabilizer, a UV-absorber, an optical brightener, a dibutyltin dilaurate catalyst, and an organic solvent, and the part B component comprising an aliphatic polyisocyanate and an organic solvent.
A golf ball with a center core comprising polybutadiene and a clay material in an amount ranging from 0.4 to 2.5 weight percent of the center core is disclosed herein. Alternatively, the golf ball has a mantle layer with a blend of ionomer materials and a clay material in an amount ranging from 0.4 to 2.5 weight percent of the mantle layer.
A multiple-material golf club head with an improved scarf joint between the crown and the body, and a method of finishing said golf club head is disclosed herein. The golf club preferably has a metal body comprising a striking face, a sole, a return portion, a bond flange, and a rear flange, and a composite crown having a scarf region, a step portion, and a constant thickness region directly behind the scarf region. The golf club is manufactured by providing a club head with a bond flange, providing a composite crown with a scarf region delineated by a front edge and a step portion and/or groove, bonding the scarf region to the bond flange to form an upper golf club head surface, and grinding the upper golf club head surface only from a location proximate the front edge to a location proximate the step portion and/or groove.
A golf club head with at least one cavity including a weight that is co-molded with a fill material comprising a polymer and a plurality of microscopic bubbles, and methods of manufacturing such golf club heads, are disclosed herein. The plurality of microscopic bubbles constitutes at 5-70% of the volume of the fill material, and more preferably approximately 20-30% of the volume of the fill material. The polymer material preferably is a polyurethane having a Poisson's ratio of 0.40-0.50. The weight is preferably composed of a metal alloy with a density greater than 4 g/cc, such as steel or tungsten alloy.
A putter head comprising a novel alignment structure is disclosed herein. In particular, the putter comprises an alignment sphere attached to an upper surface of a lower flange and an alignment ring suspended over the lower flange and vertically aligned with the alignment sphere. When a golfer has oriented the putter properly in front of a golf ball at address, the alignment sphere will appear to the golfer to be encircled by the alignment ring.
A golf club head with a face stress-reduction structure disposed proximate a rear surface of a striking face is disclosed herein. In particular, the structure is an adjustable tension cable assembly extending from an upper portion of the golf club head, preferably a return section, to a lower portion of the golf club head, preferably a sole portion, approximately parallel with the rear surface of the striking face. The cable assembly comprises a cable portion, a hollow sleeve, and a screw plug.
A golf club head comprising a body and a stiffening structure is disclosed herein. The body comprises a face section, a sole section, and a crown section, and defines a hollow interior. The stiffening structure extends within the hollow interior from the crown section to the sole section to reduce stresses placed on the face section during impact with a golf ball. The stiffening structure is entirely located within 0.500 inch of a rear surface of the face section measured along a plane normal to the center of the face, and within 1 inch of the center of the face section along a horizontal axis parallel to the face section, and comprises heel and toe connectors connected to one another by a middle connector, such that the stiffening structure has an approximately X- or H-overall shape.
A resilient face insert for a golf club head, preferably a putter head, is disclosed herein. In particular, the face insert comprises a plurality of hinge features spaced from a striking surface to ensure consistent ball speed across the striking surface. At least a portion of each hinge feature extends parallel to the striking surface without making contact with the striking surface. In the preferred embodiment, each hinge feature comprises a tab portion that is spaced from the striking surface by a stem portion and that extends parallel to the striking surface. The hinge features may be co-molded with a polymeric backing material having a plurality of parallel grooves in order to further improve performance of the face insert.
A golf club head having elevated internal weighting that improves ball speed, reduces backspin, and increases launch angle is disclosed herein. In particular, the golf club head comprises a hollow body with a face, sole, and elevated weight bar, which is disposed inside the body and is fixed to heel and toe sides of the body, preferably with mechanical fasteners such as screws or bolts. The weight bar bridges a central portion of the sole, and a central section of the weight bar, which preferably comprises at least 50% of the overall mass of the weight bar, extends towards the face without actually making contact with the face. The sole also includes at least one slot extending perpendicular to the face and underneath the central section of the weight bar, the slot having a front-to-back length that is greater than a maximum front-to-back length of the weight bar.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A63B 60/52 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues avec fentes
A63B 60/00 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues
A golf club head comprising a body and a plurality of adjustable stiffening members is disclosed herein. The body comprises a face section, a sole section, and a crown section or a return section, and also defines a hollow interior. Each of the plurality of stiffening members is at least partially disposed within the hollow interior, and extends from the crown section or return section to the sole section to reduce stresses placed on the face during impact with a golf ball. The stiffening members, each of which comprises a rod and a tube, may be adjusted to be in compression or tension, thereby preloading the body and affecting the stresses experienced by the golf club head upon impact with a golf ball.
A63B 60/42 - Dispositifs de mesure, de vérification, de correction ou de personnalisation des caractéristiques inhérentes aux clubs de golf, battes, raquettes ou analogues, p. ex. mesure du couple de torsion maximale que le manche d'une batte peut supporter
A63B 60/00 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues
A63B 60/50 - Détails ou accessoires des clubs de golf, des battes, des raquettes ou analogues avec trous traversants
91.
Golf ball having core composed of a highly neutralized polymer
A golf ball comprising a core composed of a fully neutralized polymer material is disclosed herein. The golf ball also preferably has multiple mantle layers and a cover.
A golf ball comprising a core comprising an inner core center and an outer core layer disposed over the inner core center. The inner core center has a deflection of greater than 0.210 inch under a load of 100 kilograms, and the entire the core has a deflection ranging from 0.130 inch to 0.105 inch under a load of 100 kilograms. A mantle layer is disposed over the core and a cover is disposed over the mantle.
A golf club providing improved golf ball launch conditions is disclosed herein. The golf club includes a face component and a sole comprising an elongated recess disposed proximate the face component. The elongated recess preferably is tube shaped, and preferably has an opening with a smaller width than an innermost surface of the elongated recess. The elongated recess may be a separate piece that is permanently affixed within an opening in the sole. Some embodiments of the golf club also comprise a cover affixed to the sole and at least partially covering the opening of the elongated recess, while other embodiments comprise a filler material disposed within the elongated recess or between the elongated recess and an internal surface of the face.
A golf club head comprising a conformal weight sized to fit within a recess or channel disposed in a crown or sole is disclosed herein. In some embodiments, the crown or sole itself is a conformal weight, and is removably affixed to a base structure comprising a striking face and a skeletal support structure. In other embodiments, the golf club head comprises a conformal weight in the form of a sole cap that is removably affixed to the golf club head and covers small weight ports disposed in the sole.
A golf club head comprising at least one part manufactured via a metal injection molding process, and attached to another part of the golf club head via electrical resistance welding, is disclosed herein. The present invention is also directed to a method of making said golf club head, the method comprising the steps of providing a first golf club head part made from a first metal material, metal injection molding a second golf club head part from a second, different metal material, and electrical resistance welding the second golf club head part to the first golf club head part to form a combined part.
B23K 11/00 - Soudage par résistanceSectionnement par chauffage par résistance
B22F 3/22 - Fabrication de pièces ou d'objets à partir de poudres métalliques, caractérisée par le mode de compactage ou de frittageAppareils spécialement adaptés à cet effet pour la fabrication de pièces par coulée en moule poreux ou absorbant, c.-à-d. par coulée d'une suspension de poudre métallique dans un moule poreux, d'une façon analogue au coulage de la barbotine
B22F 1/00 - Poudres métalliquesTraitement des poudres métalliques, p. ex. en vue de faciliter leur mise en œuvre ou d'améliorer leurs propriétés
A golf club head, preferably a putter head, comprising a replaceable face insert is disclosed herein. The golf club head comprises a body with face cavity and a secondary cavity in communication with, and disposed behind, the face cavity, and at least one opening extending through a top or sole portion into the secondary cavity. The replaceable face insert comprises a striking portion and a support structure extending from a rear surface of the striking portion. The support structure is received within the secondary cavity and the striking portion is received within the face cavity, and then a rod or bolt is inserted through the opening and through the support structure to reversibly secure the face insert to the body. A linear bearing may be disposed within the support structure to receive the rod or bolt.
A golf club head comprising a body with a heel-side sole opening in communication with a hosel bore, a removable shaft sleeve with a tip sized to fit within the hosel bore, and a weight plug sized to fit within, and at least partially fill, the heel-side opening is disclosed herein. The weight plug, which has a base end with a through-opening, a tip end with a flange, and a side opening in communication with the through-opening, is connected to the shaft sleeve with a screw. When the golf club head is fully assembled, a hosel flange is trapped between the weight plug and the tip end of the shaft sleeve, and tightening the screw causes the weight plug and the shaft sleeve to move towards one another.
A putter head comprising a novel alignment structure is disclosed herein. In particular, the putter comprises an alignment sphere attached to an upper surface of a lower flange and an alignment ring suspended over the lower flange and vertically aligned with the alignment sphere. When a golfer has oriented the putter properly in front of a golf ball at address, the alignment sphere will appear to the golfer to be encircled by the alignment ring.
A multiple-material golf club head with an improved scarf joint between the crown and the body, and a method of finishing said golf club head is disclosed herein. The golf club preferably has a metal body comprising a striking face, a sole, a return portion, a bond flange, and a rear flange, and a composite crown having a scarf region, a step portion, and a constant thickness region directly behind the scarf region. The golf club is manufactured by providing a club head with a bond flange, providing a composite crown with a scarf region delineated by a front edge and a step portion and/or groove, bonding the scarf region to the bond flange to form an upper golf club head surface, and grinding the upper golf club head surface only from a location proximate the front edge to a location proximate the step portion and/or groove.
A golf club head, preferably a putter head, comprising a replaceable face insert is disclosed herein. The golf club head comprises a body with face cavity and a secondary cavity in communication with, and disposed behind, the face cavity, and at least one opening extending through a top or sole portion into the secondary cavity. The replaceable face insert comprises a striking portion and a support structure having an elongated, vertical through bore extending from a rear surface of the striking portion. The support structure is received within the secondary cavity and the striking portion is received within the face cavity, and then a rod or bolt is inserted through the opening and into the elongated, vertical through bore to reversibly secure the face insert to the body. A linear bearing may be disposed within the elongated through bore to receive the rod or bolt.
brevets
