Golf Club Heads and Methods to Manufacture Golf Club Heads

Abstract

Embodiments of golf clubs, golf club heads and methods to manufacture golf club heads are generally described herein. According to certain embodiments, an example golf club head comprises (i) a body portion made from a first material that includes a perimeter portion, (ii) a face portion coupled to the body portion, which is made from a second material that is less dense than the first material, and (iii) a support portion disposed in a cavity located in the backside of the golf club head. In certain embodiments, the support portion is formed as a secondary cavity in the backside of the golf club head.

1 . A golf club head comprising:
 (a) a body portion made from a first material, wherein the body portion comprises a perimeter portion;   (b) a face portion coupled to the body portion, wherein the face portion is made from a second material that is less dense than the first material; and   (c) a support portion disposed in a first cavity located in a backside of the body portion, wherein the support portion forms a second cavity.   
     
     
         2 . The golf club head of  claim 1 , wherein the first material comprises a steel material or a steel-based material. 
     
     
         3 . The golf club head of  claim 1 , wherein the second material comprises a titanium material or a titanium-based material. 
     
     
         4 . The golf club head of  claim 1 , wherein the perimeter portion protrudes rearwardly away from the face portion to form the first cavity. 
     
     
         5 . The golf club head of  claim 1 , wherein the support portion is formed separate from the perimeter portion and is not integrally connected thereto. 
     
     
         6 . The golf club head of  claim 1 , wherein the second cavity comprises a weight member disposed therein. 
     
     
         7 . The golf club head of  claim 1 , wherein the second cavity comprises a weight member disposed therein, wherein the weight member comprises a tungsten material or a tungsten-based material. 
     
     
         8 . The golf club head of  claim 1 , wherein a backside of the perimeter portion comprises a third cavity. 
     
     
         9 . The golf club head of  claim 8 , wherein the third cavity is located near a toe end of the golf club head. 
     
     
         10 . The golf club head of  claim 8 , wherein the third cavity comprises a weight member disposed therein. 
     
     
         11 . The golf club head of  claim 10 , wherein the weight member comprises a tungsten material or a tungsten-based material. 
     
     
         12 . A golf club comprising a shaft that is disposed in and connected with a hosel, wherein the hosel is connected to or integrally formed with a golf club head, wherein the golf club head comprises:
 (a) a body portion made from a first material, wherein the body portion comprises a perimeter portion;   (b) a face portion coupled to the body portion, wherein the face portion is made from a second material that is less dense than the first material; and   (c) a support portion disposed in a first cavity located in a backside of the body portion) wherein the support portion forms a second cavity.   
     
     
         13 . The golf club of  claim 12 , wherein the first material comprises a steel material or a steel-based material. 
     
     
         14 . The golf club of  claim 12 , wherein the second material comprises a titanium material or a titanium-based material. 
     
     
         15 . The golf club of  claim 12 , wherein the perimeter portion protrudes rearwardly away from the face portion to form the first cavity. 
     
     
         16 . The golf club of  claim 12 , wherein the support portion is formed separate from the perimeter portion and is not integrally connected thereto. 
     
     
         17 . The golf club of  claim 12 , wherein the second cavity comprises a weight member disposed therein. 
     
     
         18 . The golf club of  claim 12 , wherein the second cavity comprises a weight member disposed therein, wherein the weight member comprises a tungsten material or a tungsten-based material. 
     
     
         19 . The golf club of  claim 12 , wherein a backside of the perimeter portion comprises a third cavity. 
     
     
         20 . The golf club of  claim 19 , wherein the third cavity is located near a toe end of the golf club head. 
     
     
         21 . The golf club of  claim 19 , wherein the third cavity comprises a weight member disposed therein. 
     
     
         22 . The golf club of  claim 21 , wherein the weight member comprises a tungsten material or a tungsten-based material. 
     
     
         23 . A method for manufacturing a golf club head, which comprises:
 (a) casting a body portion using a first material, wherein the body portion comprises (i) a perimeter portion that forms a first cavity located in a backside of the body portion and (ii) and a support portion that forms a second cavity disposed in the first cavity;   (b) casting a face portion using a second material that is less dense than the first material; and   (c) coupling the face portion to the body portion.   
     
     
         24 . The method of  claim 23 , wherein the first material comprises a steel material or a steel-based material. 
     
     
         25 . The method of  claim 23 , wherein the second material comprises a titanium material or a titanium-based material. 
     
     
         26 . The method of  claim 23 , which comprises casting the support portion to be separate from the perimeter portion and not integrally connected thereto. 
     
     
         27 . The method of  claim 23 , which comprises disposing a weight member in the second cavity. 
     
     
         28 . The method of  claim 23 , which further comprises casting a backside of the perimeter portion to comprise a third cavity located near a toe end of the golf club head. 
     
     
         29 . The method of  claim 28 , which further comprises disposing a weight member in the third cavity.