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A manufacturing method for multi-fiber-layer baseball bat, mainly by rolling carbon fiber or other complex fiber materials around an iron bar, and sequeezing the bar into a hardened inner carbon layer of the bat; rolling foaming material around the upper(hitting) part of the inner carbon layer, and a rudimentary form of bat shaped up by heating foaming material; rolling glass fiber or other complex fibers around the said rudimentary bat from the hitting part to the gripping part; heating again and taking out the iron bar to create a bat having cavity inside; and making up the two opennings of the bat, and finishing the bat by paint spraying.
TW84106361A1995-06-211995-06-21Manufacturing method for multi-fiber-layer baseball bat
TW273518B
(en)
A method of making a fiber preform of varying thickness for manufacturing a part made of composite material of the type having a ceramic or a carbon matrix