Abstract: A method for manufacturing a striking plate of a golf club head includes the steps of: a sewing step, in which at least one roving material is sewn onto a base material so as to form a laminate blank with an uneven thickness in a normal direction of the base material; and a forming step, in which the laminate blank is placed in a mold cavity of a mold and is formed into the striking plate with an uneven thickness.

Abstract: A wheel includes a spoke having a mounting hole that extends in a radial direction, and a blind hole that extends in an axial direction and that is in spatial communication with the mounting hole. The wheel includes a rim having a second through hole that is aligned with the mounting hole. The wheel further includes a connecting unit connecting the spoke with the rim. The connecting unit includes a rod extending through the through hole into the mounting hole and having an engaging hole that is aligned with the blind hole. The connecting unit further includes a fastener extending through the blind hole into the engaging hole and engaging with the engaging hole.

Abstract: A golf club head includes a club head main body and a crown. The club head main body includes a main portion, and a receiving portion connected to the main portion. The main portion has an outer shell surface, and an upright side wall surface interconnecting the outer shell surface and the receiving portion. The crown includes a covering portion, and a protrusion protruding upwardly from an outer periphery of the covering portion, adjoining the side wall surface, and having a to-be-ground surface flushing with the outer shell surface. A height difference between the protrusion and the covering portion prevents the covering portion from being ground.

Abstract: A method for manufacturing a golf club head part includes the steps of: sewing at least one roving material onto a base material, so as to form a laminate blank; placing the laminate blank into a cavity of a mold assembly; vacuuming the cavity, and then impregnating a resin material into the laminate blank that is placed in the cavity under vacuum; and thermoforming the laminate blank and the resin material in the cavity into the golf club head part.

Abstract: A process for manufacturing a golf club head includes steps of: placing a patterned release film on a lower mold half, making the patterned release film intimately contact an upward pressed region of the lower mold half, laminating a carbon fiber composite sheet on the patterned release film to form a laminate, hot-pressing the laminate by pressing a downward pressing region of an upper mold half toward the upward pressed region of the lower mold half to thereby form a decorative piece, and fitting the decorative piece into a depressed region of a club head body to obtain the golf club head.

Abstract: A method includes: providing a mold assembly includes lower and upper molds; placing a release film on the lower mold and vacuuming a lower cavity of the lower mold; attaching a first molding member to the release film, and moving the release film and the first molding member into an upper cavity of the upper mold; placing a transfer film on the lower mold and vacuuming the lower cavity; attaching a second molding member to the transfer film; hot molding the first and second molding member into a golf club head part having a patterned surface formed by a transfer surface of the transfer film; and connecting the golf club head part to a golf head shell to obtain a 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 head includes a shell including a main body, a sealing cap, and a mounting receptacle, and an insertion unit. The main body defines an inner chamber and a chamber opening communicating with the inner chamber. The sealing cap is made of an electromagnetic-wave-penetrable material and covers the chamber opening. The mounting receptacle protrudes into the inner chamber from an inner surface of the main body and defines an installation space, and faces the sealing cap in such a manner that a normal projection of the mounting receptacle falls on an inner surface of the sealing cap. The insertion unit is detachably received in the installation space and includes an intelligent unit for measuring and transmitting data.

Abstract: A golf club head includes a head unit, and an insertion unit including a housing body, an intelligent unit and an encapsulant. The housing body defines a receiving space, and has a base wall, a surrounding wall, an external thread for engaging an internal thread of the head unit, a recess formed in the base wall, and multiple hollow portions formed in and extending between the base wall and the surrounding wall. The intelligent unit is received in the receiving space, and includes a first circuit board, two charging electrodes disposed on the first circuit board, and a capacitor connected to the first circuit board and the charging electrodes. The encapsulant is received in the receiving space, partially covers the first circuit board, and exposes the charging electrodes.

Abstract: A golf ball head includes a head unit and an insertion unit. The insertion unit includes a housing body, an intelligent unit and an encapsulant. The housing body is threaded into an installation hole of the head unit, defines a receiving space, and has a base wall, a surrounding wall, an external thread for threadedly engaging the internal thread, and a recess formed in the base wall. The intelligent unit is received in the receiving space, and includes a circuit board, two charging electrodes disposed on the first circuit board, and a capacitor connected to the first circuit board and the charging electrodes. The encapsulant is received in the receiving space and exposes the charging electrodes.

Abstract: A lightweight composite material includes a substrate and a carbon fiber layer. The substrate has a first surface and a second surface opposite to each other, and is prepared by impregnating glass fibers with a resinous matrix which is formed by mixing hollow glass microspheres with a thermosettable resin material. The carbon fiber layer is bonded to one of the first and second surfaces of the substrate by thermosetting the thermosettable resin material.

Abstract: A method for making a molded composite article includes the steps of: providing a sleeve body on a pressing portion of a male mold body, the sleeve body being made of a heat-expansible material and having a primary engaging segment and an abutting segment; disposing a composite laminate material on a female mold body; moving the male mold body provided with the sleeve body toward the female mold body while the male mold body and the female mold body are heated; continuing to move the male mold body so that the pressing portion extends into the abutting segment and presses the composite laminate material to form the molded composite article; and separating the male mold body from the female mold body and removing the molded composite article.

Abstract: A golf club head includes a head body and a weight-balancing device. The head body is formed with a weighting recess. The weight-balancing device includes a coupling unit having a surrounding wall threadedly engaging the weighting recess, and an intelligent monitoring unit disposed inside the coupling unit. The intelligent monitoring unit includes a shell that is made of a signal-transmittable material and that is partially exposed form the surrounding wall, an intelligent monitoring element that is disposed in the shell and that is operable to detect data related to performance characteristics of a golf swing, and a wireless transmitter that is coupled to the monitoring element and that is operable to output the data.

Abstract: A striking plate of a golf club head includes roughened textured surface portions and scoring line portions. The roughened textured surface portions are spaced apart from each other. Each roughened textured surface portion includes ridges. The scoring line portions are arranged alternatingly with the roughened textured surface portions. Each scoring line portion includes a sunken surface, a surrounding surface surrounding the sunken surface, and two connecting surface segments each extending from one end of the surrounding surface to connect to a respective adjacent roughened textured surface portion. The sunken surface cooperates with the surrounding surface to define a groove that extends along a line.

Abstract: A method for forming a case of an electronic device with a wireless communication function includes: (a) providing a pair of outer prepreg layers, each containing a fiber that permits permeation of an electromagnetic wave; (b) providing a plurality of inner prepreg layers, each of which includes: a first prepreg sheet that contains a first fiber, which permits permeation of an electromagnetic wave; and a second prepreg sheet containing a second fiber that prevents permeation of an electromagnetic wave and that has a strength higher than that of the first fiber; (c) stacking and pressing the inner prepreg layers to obtain an inner laminate; (d) disposing the inner laminate between the outer prepreg layers; and (e) forming the outer prepreg layers and the inner laminate in a mold. A case for an electronic device with a wireless communication function is also disclosed.

Abstract: A method for producing composite articles includes: (a) advancing continuously a lower mold release sheet; (b) disposing prepreg articles in a spaced-apart manner on the lower mold release sheet; (c) advancing continuously an upper mold release sheet above the lower mold release sheet so that each of the prepreg articles is sandwiched between the lower and upper mold release sheets; and (d) thermoforming the prepreg articles that are sandwiched between the lower and upper mold release sheets.

Abstract: A method includes the steps of: (a) wrapping a stack of composite prepregs around a plate-shaped mold core to obtain a bag-like preform; (b) removing the mold core from the preform so that a receiving space is left in the preform; (c) inserting an airbag into the receiving space; (d) placing the preform together with the airbag in a mold; (e) inflating the airbag and hot pressing the preform within the mold until the preform is cured so that the receiving space is formed into a motherboard receiving space with a size sufficient to receive a motherboard of the notebook computer and so that the preform is formed into a one-piece flat housing body for the base of the notebook computer; and (f) removing the flat housing body from the mold and the airbag.

Abstract: A method for forming a case of an electronic device with a wireless communication function includes: (a) providing a pair of outer prepreg layers, each containing a fiber that permits permeation of an electromagnetic wave; (b) providing a plurality of inner prepreg layers, each of which includes: a first prepreg sheet that contains a first fiber, which permits permeation of an electromagnetic wave; and a second prepreg sheet containing a second fiber that prevents permeation of an electromagnetic wave and that has a strength higher than that of the first fiber; (c) stacking and pressing the inner prepreg layers to obtain an inner laminate; (d) disposing the inner laminate between the outer prepreg layers; and (e) forming the outer prepreg layers and the inner laminate in a mold. A case for an electronic device with a wireless communication function is also disclosed.

Abstract: A method includes the steps of: (a) wrapping a stack of composite prepregs around a plate-shaped mold core to obtain a bag-like preform; (b) removing the mold core from the preform so that a receiving space is left in the preform; (c) inserting an airbag into the receiving space; (d) placing the preform together with the airbag in a mold; (e) inflating the airbag and hot pressing the preform within the mold until the preform is cured so that the receiving space is formed into a motherboard receiving space with a size sufficient to receive a motherboard of the notebook computer and so that the preform is formed into a one-piece flat housing body for the base of the notebook computer; and (f) removing the flat housing body from the mold and the airbag.

Abstract: A method of making an armrest that is mountable between adjacent left and right passenger seats includes: separately forming two receptacle parts by molding a prepreg in a first mold assembly, the receptacle parts being adapted to hold personal objects and each having a looped wall surrounding a slot; forming an armrest frame by molding a prepreg in a second mold assembly, the armrest frame including a lower frame portion having a plurality of downwardly extending legs, and an upper frame portion disposed on top of and bridging the legs; and positioning the receptacle parts within the second mold assembly and combining the receptacle parts with the upper frame portion during the forming of the armrest frame in the second mold assembly, thereby providing a one-piece unitary structure having the receptacle parts and the armrest frame.