A baseball bat or the like comprises a tube formed with an outer layer of wood-like veneer covering a layer of fiber reinforced resin, with the tube layers being impregnated with and bonded to one another with a cured resin. The ends of the tube are closed off with caps adhered to the tube and preferably...http://www.google.es/patents/US5533723?utm_source=gb-gplus-sharePatente US5533723 - Composite baseball bat with cavitied core
