Flexible composite material and process for producing same
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United States of America Patent
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Sep 30, 1986
Grant Date -
N/A
app pub date -
Jun 25, 1984
filing date -
Jun 28, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Composite material comprising a flexible sheath covering a roving of fibers impregnated to the core with a finely powdered thermoplastic, the melting point of which thermoplastic is equal to or greater than that of the sheathing material, together with process and apparatus for producing same by using an extrusion coating technique, the coating die being mounted on a leakproof powder fluidization tank via a blowing chamber thermally insulated from the tank.
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