Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1980-02-13
1981-09-29
Apley, Richard J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
A63B 4902
Patent
active
042918766
ABSTRACT:
A racket frame formed of a frame core and FRP sheets adhered to ball-striking faces of the frame core. The present racket frame is so constructed such that each of the FRP sheets is made by slicing a laminated body consisting of a plurality of FRP plate elements and protective plates which laminated body is molded into the same configuration as that of the ball-striking faces of the frame core, each of the FRP plate elements is formed by long, continuous reinforcing rovings extending from one end to the other end of the plate element and being uniformly impregnated into the thermosetting resin under uniform tension, and said protective plates are arranged at the innermost and outermost sides of the molded laminated body.
REFERENCES:
patent: 1831350 (1931-11-01), Hall
patent: 2029193 (1936-01-01), Reach
patent: 2178588 (1939-11-01), Kleinman
patent: 2665678 (1954-01-01), Bear
patent: 2878020 (1959-03-01), Robinson
patent: 3889951 (1975-06-01), Schaefer et al.
patent: 4023799 (1977-05-01), Van Auken
patent: 4070019 (1978-01-01), Segal et al.
Apley Richard J.
Hasegawa Chemical Industry Co., Ltd.
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