Patent ReferencesMethod for the manufacture of a cycle or auto-cycle wheel rim Method for producing a wood-type golf club head Golf club head Construction of a club-head for a golf club Patent #: 4811949 InventorAssigneeApplicationNo. 514543 filed on 04/26/1990US Classes:264/513, Including injection156/152, With temporary disassembling and subsequent bonding of same laminae156/156, With fluid pressure to prevent collapse of hollow structure during assembly and/or joining473/345Hollow bodyExaminersPrimary: Knable, Geoffrey L.Attorney, Agent or FirmInternational ClassB29C 045/14Foreign Application Priority Data1989-11-01 KRAbstractA method of making a hollow golf club head that includes forming a core that has a thin wall about a cavity; filling liquid into the core cavity; forming the club head body about the core by injection molding; and removing liquid from the core cavity.Field of SearchProducing hollow work or a tubular articleIncluding injection By insertion or application of a preform With fluid pressure to prevent collapse of hollow structure during assembly and/or joining With temporary disassembling and subsequent bonding of same laminae In configured mold Forming a hollow article Using a core or mandrel | |