Golf device comprising lightweight material

Abstract

The invention is directed to a golf club, golf club head, golf club device, golf ball, and/or golf accessory that comprises one or more lightweight materials. The golf materials can include the lightweight material(s) as a core, coating, inner layer, outer layer, blend, or combinations thereof. In some embodiments, the entire item or a portion thereof comprises the lightweight materials.

What is claimed is: 
     
         1 . A golf club head comprising a base defined by an exterior surface and an interior, wherein the interior comprises one or more lightweight materials selected from rubber, aerogel, Airloy, polybutadiene, ionomer resin, polyamide, polyester, or combinations thereof. 
     
     
         2 . The golf club head of  claim 1 , wherein the golf club head is a putter head. 
     
     
         3 . The golf club head of  claim 1 , wherein the interior comprises about 100 weight percent of the one or more lightweight materials based on the total weight of the interior. 
     
     
         4 . The golf club head of  claim 1 , wherein the interior comprises about 50-90 weight percent of the lightweight materials and about 10-50 weight percent of one or more core materials selected from polymeric material, metal, metal alloy, wood, or combinations thereof. 
     
     
         5 . The golf club head of  claim 4 , wherein the one or more lightweight materials are positioned in a central portion of the interior and the one or more core materials surround the central portion. 
     
     
         6 . The golf club head of  claim 4 , wherein the one or more core materials are positioned in a central portion of the interior and the one or more lightweight materials surround the central portion. 
     
     
         7 . The golf club head of  claim 4 , wherein the one or more lightweight materials and the one or more core materials are blended together in the interior. 
     
     
         8 . The golf club head of  claim 1 , wherein the one or more lightweight materials comprise a gel. 
     
     
         9 . The golf club head of  claim 1 , further comprising an outer coating layer that surrounds the exterior surface, wherein the outer layer comprises one or more lightweight materials selected from rubber, aerogel, Airloy, polybutadiene, ionomer resin, polyamide, polyester, or combinations thereof. 
     
     
         10 . The golf club head of  claim 1 , wherein the one or more lightweight materials are selected from aerogel, Airloy, or both. 
     
     
         11 . A golf club head comprising a base defined by an exterior surface and an interior, wherein the exterior surface comprises one or more lightweight materials selected from rubber, aerogel, Airloy, polybutadiene, ionomer resin, polyamide, polyester, or combinations thereof. 
     
     
         12 . The golf club head of  claim 11 , wherein the exterior surface comprises about 100 weight percent of the lightweight materials. 
     
     
         13 . The golf club head of  claim 11 , wherein the exterior surface comprises a blend of about 10-90 weight percent of the one or more lightweight materials and about 90-10 weight percent of one or more of polymeric material, metal, wood, or combinations thereof. 
     
     
         14 . The golf club head of  claim 11 , further comprising a coating surrounding the exterior surface, wherein the coating comprises about 100 weight percent of one or more lightweight materials. 
     
     
         15 . The golf club head of  claim 11 , wherein the one or more lightweight materials is selected from Airloy, aerogel or both. 
     
     
         16 . A method of hitting a golf ball, the method defined by:
 swinging a golf club, the golf club comprising the club head of  claim 1 ;   contacting a face of the golf club head with a golf ball;   wherein the golf ball is hit by the golf club.   
     
     
         17 . The method of  claim 16 , wherein the golf club head is a putter head. 
     
     
         18 . The method of  claim 16 , wherein the interior of the club head comprises about 100 weight percent of the one or more lightweight materials based on the total weight of the interior. 
     
     
         19 . The method of  claim 16 , wherein the interior of the club head comprises about 50-90 weight percent lightweight materials and about 10-50 weight percent of one or more core materials selected from polymeric material, metal, metal alloy, wood, or combinations thereof. 
     
     
         20 . A golf club comprising the golf club head of  claim 1 .