Fabrication of a hollow composite-material shaft having an integ

Details Fabrication of a hollow composite-material shaft having an integ Fabrication of a hollow composite-material shaft having an integ

1997-09-30

1999-08-31

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Assembling or joining

473318, 264257, 156172, B23P 1100

Patent

active

059437588

ABSTRACT:
A hollow golf club shaft is prepared by flag rolling a base layer of composite material pieces over a mandrel having a larger-diameter region and a reduced-diameter region. The base layer is optionally precompacted. A collar is slid along he length of the mandrel having the reduced-diameter region and base layer to lie adjacent to the larger-diameter region, and at least one overlayer composite material piece is flag rolled overlying the base-layer composite material pieces onto that portion of the mandrel having the reduced diameter. The overlayer piece is compacted, preferably along with the base pieces, and all of the composite material is cured

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