NELSON PRECISION CASTING CO., LTD.
|NELSON PRECISION CASTING CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20100292025||GOLF CLUB HEAD - A golf club head includes a striking face having a plurality of grooves formed therein. At least one groove includes a first curved side surface, a second curved side surface opposite to the first curved side surface, and a bottom surface connecting the first and the second curved side surfaces. As viewed in the longitudinal direction of the at least one groove, the first and the second curved surfaces respectively have first and second involute profiles. A distance measured between the first and the second curved surfaces continuously increases from the bottom surface to the striking face.||11-18-2010|
|20090191979||GOLF CLUB HEAD - A golf club head is disclosed. The golf club head comprises a main body, a striking plate and a thermoplastic elastic vibration-absorbing material. The main body includes a chamber. The striking plate is disposed on the front side of the main body. The thickness of the striking plate is between 0.76 mm and 2.25 mm. The thermoplastic elastic shock absorber is formed in the chamber of the main body and touches the back of the striking plate, wherein the density of the thermoplastic elastic vibration-absorbing material is between 0.5 g/cm||07-30-2009|
|20090082133||Plating layer structure of golf club head and forming method thereof - A plating layer structure of a golf club head and a forming method thereof are disclosed. The forming method comprises: forming a medium layer on the surface of the golf club head; and electroplating a plating layer on the medium layer, wherein the material of the coating layer is electroplating-compatible with the material of the medium layer.||03-26-2009|
Patent applications by NELSON PRECISION CASTING CO., LTD.