Plastic baseball bat and method of making the same

Details Plastic baseball bat and method of making the same Plastic baseball bat and method of making the same

1984-06-29

1985-09-17

Pinkham, Richard C.

Amusement devices: games

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

Target

264 451, 273DIG1, 273DIG2, 273DIG4, 273DIG12, A63B 5906

Patent

active

045416290

ABSTRACT:
An injection molded baseball bat with a core of thermoplastic plus a blowing agent and a solid skin of thermoplastic per se injected into the mold at one and the same time. The skin and core may be of the same or of different thermoplastic. The baseball bat is a unitary structure of superior strength and finish with the foamed core and solid skin fused together.

REFERENCES:
patent: 3025062 (1962-03-01), Duffin
patent: 3306960 (1967-02-01), Weissman et al.
patent: 3479030 (1969-11-01), Merola
patent: 4014966 (1977-03-01), Hanning
patent: 4104353 (1978-08-01), Monnet
patent: 4340990 (1982-07-01), Seynhaeve
patent: 4457511 (1984-07-01), Witkowski

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