Patent attributes
A golf club head containing a hollow main frame and a face plate; the hollow main frame is composed of a main body and a crown plate welded to the main body, the main body containing a hosel part, a sole part and a side part extending upwards from the periphery of the sole part except for a front edge of the sole part thereby providing an open top and an open front, and the crown plate covers said open top, whereby the main frame has an opening on the front thereof. The face plate is welded to the main frame to cover the front opening of the main frame; the face plate includes a face part defining a clubface, and a flange part extending backward from at least the upper edge of the face part; the main frame further including eaves extending from an upper edge of the opening to the inside of the flange part, wherein the thickness of crown plate is in the range of 0.3 to 1.5 mm.