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Method of forming composite tubular structure

  • US 4,930,204 A
  • Filed: 09/18/1989
  • Issued: 06/05/1990
  • Est. Priority Date: 02/01/1989
  • Status: Expired due to Fees
First Claim
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1. A method of forming a composite shaft construction, comprising the steps of forming a tubular member of fibrous material bonded with a cured thermosetting resin, forming a plurality of spaced openings in an end of said tubular member, positioning said end in overlapping contacting relation to a cylindrical sleeve portion of a metal yoke to provide an overlapping joint, positioned a continuous cylindrical metal collar around said joint, and applying electromagnetic energy to said collar of sufficient intensity to deform spaced portions of said collar through said openings and into contact with said sleeve portion.

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