Process of producing fibre-reinforced shaped articles

Details Process of producing fibre-reinforced shaped articles Process of producing fibre-reinforced shaped articles

1983-08-15

1984-10-30

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428303, 428338, B29C 500, B29D 2700, C08F 4714

Patent

active

044799985

ABSTRACT:
A process of producing a fibre-reinforced shaped article comprising extruding a composition comprising a settable fluid as a carrier for fibres at least 5 mm in length through a die so that relaxation of the fibres causes the extrudate to expand to form an open fibrous structure with randomly dispersed fibres as the extrudate leaves the die characterized in that the porous extrudate is compressed while the carrier is in a fluid condition into a shaped article. The process enables moulded articles to be formed having a random distribution of fibres the majority of which are at least 5 mm long.

REFERENCES:
patent: 3382302 (1968-05-01), Marzocchi
patent: 3383272 (1968-05-01), Gluck
patent: 3916060 (1975-10-01), Fish et al.
patent: 4163824 (1979-08-01), Saidla
patent: 4284683 (1981-08-01), Hipchen et al.

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