Simulated wood composite ball bat

Details Simulated wood composite ball bat Simulated wood composite ball bat

1994-01-19

1995-03-07

Graham, Mark S.

Amusement devices: games

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

Target

A63B 5906

Patent

active

053951085

ABSTRACT:
An synthetic wood composite ball bat (10) having no wood components comprises a rigid shell of fiber reinforced composite material filled with expansible urethane foam to develop compressive stressed therebetween. The foam is locked to the shell during the manufacturing process by use of an intermediate dry woven fiber tube into which resin from the composite shell flows during curing of the composite shell and into which urethane foam flows during expansion of the urethane foam filler.

REFERENCES:
patent: 3697069 (1972-10-01), Merola
patent: 3830496 (1974-08-01), Reizer
patent: 4056267 (1977-11-01), Krieger
patent: 4541629 (1985-09-01), Witkowski
patent: 4848745 (1989-07-01), Bohannan et al.
patent: 5301940 (1994-04-01), Seki et al.

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