Method for forming fiber-reinforced composite material

Details Method for forming fiber-reinforced composite material Method for forming fiber-reinforced composite material

1977-12-12

1980-10-21

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264114, 264115, 264121, 264122, D04H 116

Patent

active

042293979

ABSTRACT:
A method for forming a uniformly mixed fibrous mat which comprises feeding a continuous high tensile modulus reinforcing fibrous material and a pre-cut thermoplastic fibrous material with a lower melting point or softening point than the temperature at which the reinforcing fibrous material melts or is damaged to a rotating rotor which is provided with projections to thereby cut the continuous fibrous material and pluck the pre-cut fibrous material, dispersing the thus treated fibrous materials into an air flow to mix the same and thereafter collecting the resulting mixed materials on a net to yield the mat. The product can thereafter optionally be compressed under heat to melt only the thermoplastic fibrous material to thereby consolidate the mat.

REFERENCES:
patent: 3010161 (1961-11-01), Duvall
patent: 3328383 (1967-06-01), Roscher et al.
patent: 3928693 (1975-12-01), Rudloff

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