VARIABLE THICKNESS GOLF CLUB HEAD AND METHOD OF MANUFACTURING THE SAME

摘要

A method of forming a crown of a golf club head including casting the crown of the golf club head, the crown including an internal surface adjacent a hollow interior of the golf club head, and an external surface opposite the internal surface, the crown including a first region and a second region adjacent the first region, the first region including a recess formed in the internal surface, the first region including a sacrificial protrusion on the external surface extending outwards beyond the second region; applying a mask to the external surface of the second region; exposing the crown of the golf club head to an etching chemical, wherein the etching chemical removes the sacrificial protrusion from the external surface of the crown; removing the etching chemical from the crown of the golf club head; and removing the mask from the second region.

主权项

1. A method of forming a crown of a golf club head, comprising:
casting said crown of said golf club head, said crown of said golf club head comprising an internal surface adjacent a hollow interior of said golf club head, and an external surface opposite said internal surface, said crown of said golf club head comprising a first region and a second region adjacent said first region, said second region substantially surrounding said first region, said first region comprising a recess formed in said internal surface, said first region comprising a sacrificial protrusion on said external surface extending outwards beyond said second region, wherein said first region of has an as-cast thickness T1, and thickness T1 is greater than or equal to 0.48 mm; applying a mask to said external surface of said second region; exposing said crown of said golf club head to an etching chemical, wherein said etching chemical removes said sacrificial protrusion from said external surface of said crown; removing said etching chemical from said crown of said golf club head; and removing said mask from said second region.