Centrifugal molding apparatus for manufacturing composite materi

Details Centrifugal molding apparatus for manufacturing composite materi Centrifugal molding apparatus for manufacturing composite materi

1981-03-18

1982-11-09

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Female mold including tamping means or means utilizing mold...

264311, 425436R, 425441, 425460, B29C 504, B29D 2308

Patent

active

043582648

ABSTRACT:
A centrifugal molding apparatus for manufacturing composite material pipes comprising a rotary mold and operating arm means extensible into and retractable from the rotary mold; the operating arm means having, in sequence from the front end thereof, a press roll portion for uniformalizing the interior of a pipe being molded, a first resin-liquid supply portion, a second resin-liquid supply portion, a chopped-strand supply portion, a third resin-liquid supply portion, a sand smoothing portion for smoothing sand supplied on to resin liquids, a sand supply portion, and a roving supply portion.
According to the invention, the operating arm means have various functions, and by causing them to extend into and retract from the rotary mold one or more times it is possible to mold various kinds of composite material pipes efficiently.

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