This invention relates to composite materials formed by thermoplastic materials reinforced by fibers, and to methods and apparatus for forming such materials, where the thermoplastic and fiber components are such as to impart to the composite materials enhanced strength as compared with materials made...http://www.google.fr/patents/US5176775?utm_source=gb-gplus-shareBrevet US5176775 - Apparatus and method for forming fiber filled thermoplastic composite materials
Apparatus and method for forming fiber filled thermoplastic composite materials
