Bat and method of manufacturing

作者: Mark A. Fritzke , Michael D. Eggiman

DOI:

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摘要: A bat having an elongate impact portion includes a first tubular metal member and second substantially concentric with the member. The members have close fitting cylindrical surface throughout majority of length lubricating material is interposed between facing surfaces.

参考文章(14)
Kevin A. Schullstrom, Aluminum bat with improved core insert ,(1999)
Larry A. Mcneely, Ball bat with rebound core ,(1994)
Bliss Allen D, Moore Nicholas R, Hollow ball bat with dampening means ,(1973)
Dan S. Pitsenberger, Softball bat with exterior shell ,(2000)
Martin DiSieno, Stickball bat construction ,(1986)
Harold L. Heussi, Susan M. Abkowitz, Stanley Abkowitz, Miles A. Abkowitz, Paul F. Weihrauch, Titanium/aluminum composite bat ,(1996)
Masatoyo Okitsu, Toshiyuki Arisato, Masao Kubo, Katsuji Kitagawa, Metal bat for use in baseball ,(1990)
Charles Teixeira, Roger Souders, James L. Easton, Gary W. Filice, Tubular metal ball bat internally reinforced with fiber composite ,(1991)