Method of making golf clubs of thermoplastic composite material

Details Method of making golf clubs of thermoplastic composite material Method of making golf clubs of thermoplastic composite material

1998-10-14

2000-10-31

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156191, 156245, 425393, 473316, 473319, B31C 100, B31C 300

Patent

active

061396702

ABSTRACT:
A method of making golf clubs of thermoplastic composite material is disclosed. The present method is characterized in that the composite material wound around a mandrel is consolidated by using a metal sheet. This method comprises the steps of: (a) providing a tapered mandrel, and wrapping the mandrel with at least a sheet of thermoplastic prepreg to form a laminated outer shell; (b) heating the thermoplastic prepreg to a molten state; (c) enclosing the laminated outer shell with at least a metal sheet, and heating the metal sheet and the laminated outer shell while constricting said metal sheet to thereby consolidate the molten prepreg to form a tubular body; and (d) releasing the metal sheet and withdrawing the mandrel from the tubular body.

REFERENCES:
patent: 3579400 (1971-05-01), Kanyok et al.
patent: 3656732 (1972-04-01), St. John
patent: 5456793 (1995-10-01), Myers
patent: 5484498 (1996-01-01), Hogarth et al.

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