One piece molded games racket

Details One piece molded games racket One piece molded games racket

1981-01-29

1984-04-03

Pinkham, Richard C.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 73D, 273DIG23, 2643289, 264317, A63B 4910

Patent

active

044403925

ABSTRACT:
The invention relates to games racket frames which are made from reinforced plastics material and have a hollow construction. The particular construction and method of the invention enable a satisfactory hollow product to be made by an injection moulding technique instead of the more laborious technique of building a suitable reinforced hollow construction around a mandrel.
The frame is a hollow injection moulding of reinforced thermoplastics material in which the walls (21A and 21B) at the outer and inner circumference of the head (21) are joined by supports (25) through which the stringing holes (23) pass. The supports are integrally formed during the moulding.

REFERENCES:
patent: 1401567 (1921-12-01), Stratford et al.
patent: 1472202 (1923-10-01), Aldrich
patent: 3664668 (1972-05-01), Held
patent: 3752478 (1973-08-01), Flak
patent: 3809402 (1974-05-01), Haines et al.
patent: 3892831 (1975-07-01), Robin et al.
patent: 3981504 (1976-09-01), Gugel
patent: 3998457 (1976-12-01), Dempsey et al.
patent: 4145047 (1979-03-01), Nagamoto et al.
patent: 4165071 (1979-08-01), Frolow
patent: 4194738 (1978-04-01), Inoue et al.

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