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US 12,714,918 B2Granted
Golf club head aft body construction
AssigneeAcushnet Company
InventorsPeter Larsen, Changting Lo, Richard L. Cleghorn, Ryuichi Sugimae, Hiroshi Kawaguchi
Life of this patent
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Abstract
An aft body of a golf club head and method of manufacturing the aft body is shown. The aft body has a composite crown and sole and separately formed skirt between the crown and sole. The method of manufacturing the aft body includes thermoforming the crown and sole and subsequently injection molding the skirt.
Claims19
An aft body of a golf club head comprising:
- a crown portion;
- a sole portion opposite said crown portion;
- a bridge portion connecting said crown portion and said sole portion at a rear end of said aft body;
- and
- a skirt portion formed between an outer perimeter portion of said crown portion and an outer perimeter portion of said sole portion,
- wherein said crown portion and said sole portion are made of a composite material,
- wherein said skirt portion is made of a polymer material, and
- wherein said polymer material of said skirt portion comprises at least one of polycarbonate, polysulfone, polyethersulfone, polyphenylsulfone, polyethylenimine, or polyether ether ketone.
5 more elements
An aft body of a golf club head comprising:
- a crown portion;
- a sole portion opposite said crown portion;
- a bridge portion connecting said crown portion and said sole portion at a rear end of said aft body;
- and
- a skirt portion formed between an outer perimeter portion of said crown portion and an outer perimeter portion of said sole portion,
- wherein said crown portion and said sole portion are made of a composite material,
- wherein said skirt portion is made of a polymer material, and
- wherein said crown portion and said sole portion have a thickness between 0.3 mm and 1.0 mm.
5 more elements
A method of manufacturing an aft body of a golf club head, the method comprising:
- providing a unitary shell portion made of composite material, said unitary shell portion including a crown portion, a sole portion opposite said crown portion, and a bridge portion connecting said crown portion to said sole portion;
- a step of thermoforming said unitary shell portion using a mold to shape said crown portion and said sole portion;
- and
- a step of overmolding a skirt portion between an outer perimeter portion of said crown portion and an outer perimeter portion of said sole portion.
1 more element
Dependencies are inferred from the claim text.