Abstract: A wood-style golf club head having a variable thickness face, a plurality of linear face markings including at least one above and below face center, and face permanent indicia including at least two letters located at least partially on a face toe portion of the face, along with unique relationships to emphasize the contrast of some elements and reduce the contrast of other elements, including a significant contrast between the linear face markings and the face, and a controlled contrast between the face and the face permanent indicia.

Abstract: A method of selecting a golf club head for a specific user, includes: (a) receiving first data comprising impact location of each of a plurality of golf swings taken by the user using a test golf club; (b) generating an impact probability map specific to the user; (c) providing second data comprising correlations between striking face location and coefficient of restitution (COR) for each of a plurality of golf clubs; (d) calculating a user-specific expected COR value for each of the plurality of golf clubs based on the first data, the impact probability map, and the second data for each of the plurality of golf clubs; and (e) outputting and displaying golf club preference information based on the calculated user-specific expected COR.

Abstract: Some embodiments include club heads having reinforced club head faces. In one example, the club face comprises a reinforcement element such as a looped rib positioned on a rear surface of the club face to provide reinforcement. The club head further comprises an undercut that extends along the entire perimeter of the club face to provide increased club face bending. The combination of the reinforcement element and the undercut reinforces the club head while permitting the club face to bend. Other embodiments of related club heads and methods are also disclosed.

Abstract: A cast cup can include a forward portion of a golf club head, including a hosel, forward portions of a crown, sole, heel, and toe, and a face portion or an opening to receive a face insert. A rear ring can be formed separately from the cast cup and coupled to heel and toe portions of the cast cup to form a rigid club head body, such that the club head body defines a hollow interior region, a crown opening, a sole opening, and/or face opening. The cast cup and rear ring can be made of different materials, including various metals, composites, and polymers. Composite crown, sole, and/or face inserts can be coupled to the crown, sole, and/or face openings. Weights can be coupled to the cast cup and to the rear ring. The face can have a complex variable thickness geometry.

Abstract: A golf club head including a striking face, a sole extending aft from the striking face, a crown extending aft from the striking face, a skirt extending between the sole and the crown, an interior cavity defined by the striking face, the sole, the crown, and the skirt, an aperture formed through the sole, the aperture having an aperture length and an aperture width, wherein the aperture length is substantially larger than the aperture width, and a stiffening member affixed to the sole, wherein a portion of the stiffening member resides within the aperture, wherein the sole is constructed of a first material having a first density, the stiffening member is constructed of a second material having a second density, and wherein the second density is at least 30% less than the first density.

Abstract: Embodiments of golf club heads having transition profiles to reduce aerodynamic drag during a swing are described herein. In some embodiments, a golf club head includes a crown transition profile having a first crown radius of curvature, a sole transition profile having a first sole radius of curvature, and a rear transition profile having a rear radius of curvature.

Abstract: 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.

Abstract: A method of manufacturing a forged iron type golf club head with a cavity. The method of manufacturing comprises forming a billet into an intermediate club head body with a strike face comprising an upper region and a lower region; hot pressing a cavity into the rear portion of the intermediate body; and bending the strike face of the intermediate club head body to form a golf club head with a cavity and a planar strike face. Other embodiments are disclosed.

Abstract: A golf club head comprises a body having a face, a crown and a sole together defining an interior cavity. The body having a channel located on the sole and extending generally from a heel end of the body to a toe end of the body. A weight member movably positioned within the channel such that a position of the weight member within the channel is able to be adjusted, thereby adjusting a location of a center of gravity of the body. Additionally, adjustment of the weight member provides a maximum x-axis adjustment range of the position of the center of gravity (Max ?CGx) that is greater than 2 mm and a maximum z-axis adjustment range of the center of gravity (Max ?CGz) that is less than 2 mm.

Abstract: A consumable material configured for use in an additive manufacturing system includes a polymeric matrix having polyetherersulfone (PES) in a range of between about 30 wt % and about 85 wt % of the polymeric matrix and polyphenylene sulfide (PPS) in a range between about 15 wt % and about 70 wt % of the polymeric matrix, wherein the polymeric matrix is in a media form suitable for processing in the additive manufacturing system and having a Tg that is about 190° C. or greater and a coefficient of thermal expansion of less than about 30 ?m/(m·° C.). The consumable material is suitable for use in 3D printing of composite mold tools.

Abstract: A ball striking device, such as a golf club head, has a face with a striking surface configured for striking a ball; an elongated channel extending across a portion of the sole, wherein the sole has an elongated channel recessed from adjacent surfaces of the sole that has a plurality of troughs within the channel to help improve the efficiency of the impact with a golf ball.

Abstract: 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.

Abstract: A high forgiveness wood-type golf club head comprises a body and a face. The body comprises a sole that forms a bottom portion of the golf club head, a crown that forms a top portion of the golf club head and a skirt that forms a periphery of the golf club head between the sole and the crown. The face place is positioned at a front portion of the golf club head opposite a rear portion of the golf club head. The body defines an outer periphery having a generally triangular shape in plan.

Abstract: Described herein is a golf club head that includes a body with a sole portion, a crown portion, a skirt portion, a forward region, and a rearward region. The golf club head also includes a face portion including a striking face with a maximum height from the ground plane of at least about 50 mm. A volume of the golf club head is at least about 370 cm3. The golf club head has a total club head mass between 190 grams and 210 grams, and the mass of the club head located above half of the peak crown height is less than or equal to 77 grams, and the percentage of the mass above half of the peak crown height is less than or equal to 39% of the total mass of the golf club head.

Abstract: A method for manufacturing a golf club head having a weight member includes: providing a weight block made of a metal material; disposing an isolation layer on the weight block to form the weight member; delivering a wax material to form a wax pattern covering a portion of the weight member; coating the weight member and the wax pattern with a shell mold plaster to form a shell mold covering the same; performing a de-waxing process which leaves a mold cavity in the shell mold; and casting a molten metal material in the mold cavity to form a club head main body, and removing the shell mold to form the golf club head having the weight member embedded in the club head main body. A golf club head manufactured by the method is also disclosed.

Abstract: A golf club having unique mass properties and all the benefits afforded therefrom.

Abstract: 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.

Abstract: Embodiments of golf club heads having adjustable weighting systems with a plurality of discrete attachment locations capable of receiving one or more weights are described herein. The golf club heads described herein provide user adjustability of club head center of gravity to adjust ball flight while maintaining a high moment of inertia and low and back center of gravity position.

Abstract: In one embodiment the golf club head includes three main components, a frame component, a rear cap component, and a striking plate. In another embodiment the club head may also comprise a front component, which is manufactured as a single unitary piece, and a rear cap component. The front component may also be overmolded by a thermoplastic polymeric outer portion which may or may not cover the striking face and which provides additional reinforcement at the load bearing sections of the club head and allows a more facile connection to the rear cap component. In another embodiment, a club head having a main body, crown insert, sole insert and metal face plate frame is formed by forming the sole insert and crown insert from a polymeric material using a thermoforming or thermosetting process and then injection molding the main body over the sole insert, crown insert and metal face plate frame.

Abstract: A golf club head includes a body having a face plate having a strike surface and an opposing interior surface, a rear end, and a sole connecting the faceplate with the rear end. The face plate, the rear end, and the sole partially define a cavity. An insert is positioned within the cavity, the insert presenting an insert surface facing the interior surface of the face plate and spaced therefrom.

Abstract: A ball striking device, such as a golf club head, includes a face having a ball striking surface, an inner surface opposite the ball striking surface, and a thickness defined between the ball striking surface and the inner surface, and a body connected to the face and extending rearward from the face. The face has a modulus gradient across the thickness of the face, such that the modulus of the face varies at different distances from the ball striking surface. The face may also include at least one of an insert, a composite material, a multi-layered structure, and/or a portion treated by a surface treatment to contribute to the modulus gradient.

Abstract: A golf club with a multi-material face is disclosed herein. More specifically, the golf club head in accordance with the present invention has a striking face portion that is backed by a composite layer. The multi-material face disclosed in accordance with the present invention may generally be manufactured via a bladder molding process that applies hydrostatic forces to the composite layer to create a more consistent bond between the composite material and the metallic material.

Abstract: A golf club having unique mass properties and all the benefits afforded therefrom.

Abstract: A golf club head comprising a plurality of internal and/or external ribs are described herein. The golf club head comprises a ribbed region comprising at least a part of at least one of the heel portion, the toe portion, the sole, or the crown; wherein the ribbed region comprises a ribbed wall including: a ribbed wall interior surface, a ribbed wall exterior surface and one or more ribs protruding from the ribbed wall, wherein the one or more external ribs comprise a first rib including: a first rib exterior section and a first rib interior section, wherein the first rib interior section extends substantially parallel to the faceplate.

Abstract: A golf club head includes a metal body, a metal strike plate connected to the metal body, and a composite shell that is adhesively bonded to a crown portion of the body via corresponding abutment surfaces. A method for forming a golf club head comprises placing an uncured composite material between a core and a mold that comprises a first piece and a second piece. The second piece is moved towards the first piece such that the uncured composite material is compressed between the core and at least a portion of the mold. The uncured composite material is heated. A first portion of the golf club head is removed from the mold. A second portion of the golf club head is provided. The first portion is attached to the second portion. In certain arrangement, the second portion is formed from a metallic material.

Abstract: A golf club head with an improved sole profile is disclosed herein. More specifically, the present invention discloses a wedge type golf club head wherein the sole is formed from continuously variable radius of curvature from the leading edge to the trailing edge, without any identifiable inflection points. The resulting golf club head improves performance, as this new sole profile allows specific portions of the sole to have a profile that meets the needs at that location.

Abstract: A golf club head includes a body defining an interior cavity. The body includes a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion, and a skirt positioned around a periphery between the sole and crown. The body has a forward portion and a rearward portion. The club head includes a face positioned at the forward portion of the body. In some embodiments, the crown includes a lattice-like structure having thin regions surrounded by a web of relatively thicker regions. In some embodiments, the club head includes one or more stiffening tubes attached between the sole and the crown to improve the acoustic performance of the golf club head.

Abstract: A golf club head is described having a body defining an interior cavity and comprising a heel portion, a toe portion, and a sole portion positioned at a bottom portion of the golf club head, and a crown positioned at a top portion. The body has a forward portion and a rearward portion. A face is positioned at the forward portion of the body. The face has a center face location and includes a center face characteristic time. An off-center location on the face is located at about ?40 mm in a heel direction away from the center face location. The off-center location has an off-center characteristic time of at least 80% of the center face characteristic time.

Abstract: An iron-type golf club head includes a striking face; a base surface opposite the striking face; and a perimeter weighting element surrounding the base surface and including a top-line portion, a sole portion, a heel portion, and a toe portion. A first auxiliary cavity is delimited by the perimeter weighting element and a first perimeter wall, the first perimeter wall coupled to the sole portion and to the heel portion of the perimeter weighting element. A second auxiliary cavity is delimited by the perimeter weighting element and a second perimeter wall, the second perimeter wall coupled to the sole portion and to the toe portion of the perimeter weighting element. A central cavity is at least partially delimited by the base surface, the perimeter weighting element, the first perimeter wall, and the second perimeter wall, and an insert is within the central cavity.

Abstract: A golf club having unique mass properties and all the benefits afforded therefrom.

Abstract: A golf club head comprises a body and at least one self-extracting pressed weight assembly. The body comprises a face plate positioned at a forward portion of the golf club head, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head and a skirt positioned around a periphery of the golf club head between the sole and the crown. The body defines an interior cavity. The weight assembly comprises at least three components and is configured for a press fit engagement with the golf club head. The assembly has a drive portion and a threaded portion.

Abstract: A ball striking device, such as a golf club, includes a head with a face having an outer surface configured for striking a ball, a body connected to the face, and a channel located in the body. The channel is configured to influence the characteristics of the impact of a ball on the face, such as by flexing or compressing in response to the force of the impact, exerting a response or reaction force on the face, changing the motion or behavior of the face, and other manners. The head may also include a pair of channels that have a gap between them.

Abstract: In one embodiment the golf club head includes three main components, a frame component, a rear cap component, and a striking plate. In another embodiment the club head may also comprise a front component, which is manufactured as a single unitary piece, and a rear cap component. The front component may also be overmolded by a thermoplastic polymeric outer portion which may or may not cover the striking face and which provides additional reinforcement at the load bearing sections of the club head and allows a more facile connection to the rear cap component. In another embodiment, a club head having a main body, crown insert, sole insert and metal face plate frame is formed by forming the sole insert and crown insert from a polymeric material using a thermoforming or thermosetting process and then injection molding the main body over the sole insert, crown insert and metal face plate frame.

Abstract: Method of depositing an atomic layer on a substrate. The method comprises supplying a precursor gas from a precursor-gas supply of a deposition head that may be part of a rotatable drum. The precursor gas is provided from the precursor-gas supply towards the substrate. The method further comprises moving the precursor-gas supply by rotating the deposition head along the substrate which in its turn is moved along the rotating drum.

Abstract: A powder metal compact is disclosed. The powder metal compact includes a cellular nanomatrix comprising a nanomatrix material. The powder metal compact also includes a plurality of dispersed particles comprising a particle core material that comprises an Mg—Zr, Mg—Zn—Zr, Mg—Al—Zn—Mn, Mg—Zn—Cu—Mn or Mg—W alloy, or a combination thereof, dispersed in the cellular nanomatrix.

Abstract: Embodiments of golf club heads and methods to manufacture golf club heads are generally described herein. In one example, a golf club head may include a hollow body portion having a front portion, a rear portion, a toe portion, a heel portion, a bottom portion, a top portion, a plurality of ports on the bottom portion and a plurality of inner wall portions in the hollow body portion. Other examples and embodiments may be described and claimed.

Abstract: Embodiments of golf club heads and methods to manufacture such a golf club heads are generally described herein. In some embodiments, the golf club head may include a ball-striking face and a protective aluminum oxide layer coupled to the ball-striking face of the golf club head. The protective aluminum oxide layer is associated with a hardness that is greater than that of the ball-striking face. In further embodiments, golf club heads may include a top portion and at least one of a plurality of interchangeable alignment indicia coupled thereto, which are configured to guide the golf club head relative to a golf ball.

Abstract: A golf club head and a removable weight that is received in a receptacle of the golf club head. The weight includes a cap and a slug. The cap is removably coupled to the receptacle and includes a recess that receives a portion of the slug so that the cap and slug are able to rotate relative to each other. The slug includes an anti-rotation feature that prevents relative rotation between the slug and the receptacle and a lead-in portion.

Abstract: A golf club having a forwardly located center of gravity and all the benefits afforded therefrom.

Abstract: A ball striking device, such as a golf club, includes a head that includes a face having a ball striking surface configured for striking a ball and a body connected to the face and extending rearward from the face. A face member formed primarily of a metallic material forms the face, and a body member is connected to the face member and extends rearward from the face member to form at least a portion of the body. The body member is formed at least partially of a polymer material, and has a doped portion containing a doping material dispersed within the polymer material. The doping material may have a different density than the polymer material, such that the doped portion has a different density than the portions of the body member not containing the doping material. A co-molding method may be used to form the ball striking device.

Abstract: A golf club having a long blade length, large transfer distance, and low forwardly located center of gravity, and all the benefits afforded therefrom.

Abstract: A high forgiveness wood-type golf club head comprises a body and a face. The body comprises a sole that forms a bottom portion of the golf club head, a crown that forms a top portion of the golf club head and a skirt that forms a periphery of the golf club head between the sole and the crown. The face place is positioned at a front portion of the golf club head opposite a rear portion of the golf club head. The body defines an outer periphery having a generally triangular shape in plan.

Abstract: In a member having a hydrogen-containing, amorphous carbon coating having a relatively smooth surface, similarly amorphous, fine carbon particles are dispersed in the hydrogen-containing, amorphous carbon coating to have improved cracking resistance while keeping smoothness on the surface and hardness in the entire coating. Specifically, fine particles discharged from a carbon cathode of an arc evaporation source by arc discharge are introduced into the coating, so that similarly amorphous, fine carbon particles are dispersed in the hydrogen-containing, amorphous carbon coating.

Abstract: Disclosed is a coating for inhibiting the formation of scales on one or more surfaces of a component used in the production of subsurface fluids. The coating comprises a diamond-like carbon structure doped with a dopant, such as silicon, titanium, fluorine, oxygen, or chromium. The dopant comprises between about 10% and about 40% of the coating by atom.

Abstract: A golf club head includes a club body including a heel portion, a sole portion, a toe portion, a top-line portion, and a face portion. In some embodiments, the face portion has an ideal striking location and at least one channel defined in the face. In some embodiments, the golf club head has a striking face and at least one channel defined in the striking face. In some embodiments, the golf club head has an ideal striking location and at least one non-ideal striking location.

Abstract: A hollow golf club head comprises a face portion with a face for hitting a ball on its front and a crown portion forming a top surface of the head, wherein the head comprises a face member including the face portion and made of a metallic material and a crown member attached to the face member to form the crown portion at least partially, the crown member includes a first member made of a metal material and a second member made of a fiber reinforced resin for supporting the first member so that the first member does not directly contact with the face member, the head has a primary natural frequency of from 3800 to 6500 Hz and an antinode when the head vibrates in the primary natural mode appears in the first member.

Abstract: Methods of bifurcating the material properties of golf club heads, and wedges in particular, are disclosed herein. The methods of the present invention preserve the bendability and feel of certain parts of the club heads, such as hosel regions, while selectively hardening and increasing the durability of other features, such as scorelines and texturing on the face.

Abstract: A golf club head is described, in one embodiment, including a body with an exterior surface defining a first body volume of at least about 400 cm3. The body has a bottom portion, a top portion, a front portion, and a back portion. A face positioned at the front portion of the body and is configured to receive an impact. A top portion silhouette profile located along a perimeter of the top portion is further described. The top portion silhouette profile defines the outer bounds of the top portion in an X-direction and Y-direction. At least one indentation is located on the bottom portion below the crown silhouette profile. The removal of the at least one indentation from the bottom portion creates a second body volume that is at least 12 cm3 larger than the first body volume.

Abstract: A golf club head comprising a slidable weight for adjusting the location of the golf club head center of gravity, as well as the golf club head bias, is disclosed herein. In particular, the golf club head, which may be a wood or iron-type head, comprises a pair of rails extending along at least one surface, such as a rear surface of an iron type head or a channel disposed in a wood-type head, and a slidable weight comprising a pair of grooves sized to receive the rails. In some embodiments, an applique or one or more clips are applied over or to the rails to prevent the weight from disengaging from the golf club head.

Abstract: The golf club head has a body comprising a crown portion, a sole portion, a toe portion, heel portion, hosel portion, rear portion, and a front portion including a striking face. At least one or more portions of the body of the golf club head is made out of at least one or more mid-density materials. The at least one mid-density material or composite of mid-density materials have a density within a range from about 4.5 g/cm3 to 7.9 g/cm3. The mid-density material or composite of mid-density materials provide sufficient stiffness at a reduced weight to optimize the center of gravity and moment of inertia of the golf club head. Also, by using mid-density materials, discretionary weight of the golf club head is increased which can be used to position higher density weights at selective portions of the golf club head.