Hollow composite body having an axis of symmetry
Method of manufacturing fiber-reinforced resin pipe
Fabrication method of a hollow racket made of carbon fiber Patent #: 4931247
ApplicationNo. 112656 filed on 08/27/1993
US Classes:473/567, Of plastic composition264/258Joining a plurality of superposed fibrous or textile layers
ExaminersPrimary: Graham, Mark S.
Attorney, Agent or Firm
Foreign Patent References
International ClassA63B 059/06
Foreign Application Priority Data1990-11-15 JP
AbstractA baseball bat having a fiber reinforced outer layer which is formed by a resin injection technique employing a continuous reinforcing fiber and a molding material which cures to provide a crosslinked polyaminoamide resin, a crosslinked epoxy-modified polyaminoamide resin or a crosslinked polyesteramide resin and method for manufacturing such baseball bat.