According to an embodiment, disclosed is a golf club head comprising a body comprising a shell and a face; the shell comprising a hosel, a first periphery, and a back made of a non-layered material; the face comprising a first layer comprising a Damascus Steel and a second layer comprising a bulk-solidifying amorphous alloy, and wherein the Damascus Steel comprises a plurality of layers of at least a first material and a second material; and wherein the second layer is formed in a geometric shape comprising one of a honeycomb structure, an X shaped band, a plus shaped band, a circular bullseye shape, and a wire mesh; the face comprising a second periphery, wherein the second periphery of the face is attached to the first periphery of the shell.

According to an embodiment, disclosed is a golf club head comprising a body comprising a shell and a face; the shell comprising a hosel, a first periphery, and a back made of a non-layered material; the face comprising a first layer comprising a Damascus Steel and a second layer comprising a bulk-solidifying amorphous alloy, and wherein the Damascus Steel comprises a plurality of layers of at least a first material and a second material; and wherein the second layer is formed in a geometric shape comprising one of a honeycomb structure, an X shaped band, a plus shaped band, a circular bullseye shape, and a wire mesh; the face comprising a second periphery, wherein the second periphery of the face is attached to the first periphery of the shell.

A co-forged iron type golf club is disclosed. More specifically, the present invention discloses a co-forged iron type golf club with the body portion made out of a first material and at least one weight adjustment portion monolithically encased within the body portion of the co-forged iron type golf club head without the need for secondary attachment or machining operations. The present invention creates of an iron type golf club head from a pre-form billet that already contains two or more materials before the actual forging process resulting in a multi-material golf club head that doesn't require any post manufacturing operations such as machining, welding, swaging, gluing, and the like.

A golf club head includes a metallic section, a polymeric section, and an adhesive material. The metallic section defines an opening and the polymeric section extends over the opening. The adhesive material is disposed between the metallic section and the polymeric section to form an adhesive joint therebetween. The adhesive joint has an adhesive retaining strength configured to inhibit the polymeric section from being detached from the metallic section when the adhesive material is at least partially cured. The metallic section and the polymeric section are also mechanically engaged with one another to form a mechanical joint therebetween having a mechanical retaining strength configured to inhibit the polymeric section from being detached from the metallic section. The adhesive retaining strength of the adhesive joint, alone, is greater than the mechanical retaining strength of the mechanical joint, alone, only when the adhesive material is at least partially cured.

A method is adapted to manufacture a club head with a bending portion, a hosel, and a head face. The method includes preparing a metal blank having an engagement segment, a head segment, and a neck segment. The method includes a bending and pressing step for pressing the head segment and the engagement segment, thereby forming a bending contour serving as the bending portion and forming a face region and a waste unit protruding therefrom. The method includes a punching step for punching the neck segment, thereby forming a peripheral wall with a trough which serves as the hosel. The method includes a trimming step for flattening the face region and removing the waste unit, thereby achieving the head face. The punching step is conducted before or after the bending and pressing step. The method is executed in a simplified manner and reduces production costs and defective products.

A method is adapted to manufacture a club head with a bending portion, a hosel, and a head face. The method includes preparing a metal blank having an engagement segment, a head segment, and a neck segment. The method includes a bending and pressing step for pressing the head segment and the engagement segment, thereby forming a bending contour serving as the bending portion and forming a face region and a waste unit protruding therefrom. The method includes a punching step for punching the neck segment, thereby forming a peripheral wall with a trough which serves as the hosel. The method includes a trimming step for flattening the face region and removing the waste unit, thereby achieving the head face. The punching step is conducted before or after the bending and pressing step. The method is executed in a simplified manner and reduces production costs and defective products.

A fishing line guide including an attachment foot having a thin thickness, a shorter length and a high strength. The fishing line guide includes at least one support leg, an attachment foot located at a distal end of the support leg, and a reinforcement groove formed in the attachment foot. The attachment foot has a lower surface making contact with a portion of a fishing rod, an upper surface located opposite the lower surface in a thickness direction, one end connected to the distal end of the support leg, and an opposite end located opposite the one end in a longitudinal direction. The reinforcement groove extends along the longitudinal direction of the attachment foot from the one end toward the opposite end in the lower surface of the attachment foot. A portion of the support leg and the attachment foot are made of a metallic material.

A fishing line guide including an attachment foot having a thin thickness, a shorter length and a high strength. The fishing line guide includes at least one support leg, an attachment foot located at a distal end of the support leg, and a reinforcement groove formed in the attachment foot. The attachment foot has a lower surface making contact with a portion of a fishing rod, an upper surface located opposite the lower surface in a thickness direction, one end connected to the distal end of the support leg, and an opposite end located opposite the one end in a longitudinal direction. The reinforcement groove extends along the longitudinal direction of the attachment foot from the one end toward the opposite end in the lower surface of the attachment foot. A portion of the support leg and the attachment foot are made of a metallic material.

A golf club head has a hollow therein and a head volume of not less than 350 cc. The head comprises a head main body and a substantially cup-shaped face member which are united with each other. The face member integrally includes a face portion having a club face for hitting a ball, and a turnback extending backwardly of the head from a peripheral edge of the club face. The inner surface of the face member is provided with a groove extending along the boundary of the turnback with the face portion. The face member is a press-formed part whose turnback is bent by press working.

A method for manufacturing a striking plate for a golf club head includes the steps of: providing a metal blank plate having a surface which includes a plurality of first machining zones displaced from each other by a corresponding one of a plurality of second machining zones, machining the first machining zones of the metal blank plate using a precise electrochemical machining device, and machining the second machining zones using the precise electrochemical machining device.