Method of producing a badminton racket frame

Details Method of producing a badminton racket frame Method of producing a badminton racket frame

1990-06-28

1991-04-09

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

156191, 156194, 156245, 264 85, 264523, 273 67R, 273 73F, 273 73G, B29C 4920, B29C 4922, B29C 4946, A63B 4910

Patent

active

050062980

ABSTRACT:
A method of producing a badminton racket frame includes the following steps. Prepare a mold cavity. Wrap a number of layers of graphite fibers so as to form a shell shaped in the form of the racket frame. Insert solvent material into the shell. Arrange the shell within the mold cavity. Heat the solvent material to cause expansion and to generate pressure within the mold cavity so as to press against the layers of graphite fibers and thereby provide intimate bonding of the layers. Remove the shell as an integral composite badminton racket frame.

REFERENCES:
patent: 2743483 (1956-05-01), Parini
patent: 4192505 (1980-03-01), Tabickman et al.
patent: 4292101 (1981-09-01), Reichert
patent: 4360202 (1982-11-01), Lo
patent: 4389269 (1983-06-01), Cooper et al.
patent: 4393024 (1983-07-01), You
patent: 4575084 (1986-03-01), Yoneyama
patent: 4931247 (1990-06-01), Yeh

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