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Flexible multiply towpreg tape from powder fusion coated towpreg

  • US 5,409,757 A
  • Filed: 11/10/1993
  • Issued: 04/25/1995
  • Est. Priority Date: 04/17/1989
  • Status: Expired due to Term
First Claim
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1. An improved flexible towpreg tape of a known geometry comprising a plurality of towpreg plies, said towpreg plies comprising reinforcing filaments and matrix forming material;

  • said reinforcing filaments being substantially wet-out by said matrix forming material such that said towpreg plies have fewer voids than said towpreg tape, said towpreg plies having an average thickness less than 100 microns.

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