Process of making a golf club shaft

Details Process of making a golf club shaft Process of making a golf club shaft

1996-12-23

1998-09-29

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

156156, 156175, 156191, 156194, 156285, 156287, 264257, 264258, 264314, B29C 4900, B29C 7044

Patent

active

058142681

ABSTRACT:
Process for manufacturing a golf club shaft made of composite materials, including the successive steps of fitting a tubular, flexible impermeable bladder around a rigid mandrel whose length is at least equal to the length of the shaft to be produced, dressing the mandrel with a composite structure comprising fibers impregnated with a synthetic resin matrix, placing the mandrel in the mold, and then carrying out a mold operation by applying at least one internal pressure exerted by feeding a fluid inside the bladder.

REFERENCES:
patent: 3755037 (1973-08-01), Erwin et al.
patent: 4202856 (1980-05-01), Frikken et al.
patent: 4397048 (1983-08-01), Brown et al.
patent: 4555113 (1985-11-01), Shimazaki et al.
patent: 4876049 (1989-10-01), Aoyama et al.
patent: 4931247 (1990-06-01), Yeh
patent: 5071506 (1991-12-01), Nelson et al.

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