Method and apparatus for producing a pipe of fiber-reinforced, h

Details Method and apparatus for producing a pipe of fiber-reinforced, h Method and apparatus for producing a pipe of fiber-reinforced, h

1985-04-11

1987-11-10

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Orienting or aligning solid particles in fluent matrix material

264114, 2642092, 264311, 425292, 4253051, 425310, 425402, 425435, B29C 4104

Patent

active

047056606

ABSTRACT:
To produce a pipe in a centrifugal molding process in a rotating mold, axially parallel oriented fibers are fed in parallel to the axis of the mold, decelerated in the mold, and accelerated, without a change in their orientation, transversely to their feeding direction. A device for performing this process comprises a chamber (3) which can be introduced into a rotating mold (14) and has an outlet opening (10) for cut fibers. In the chamber (3), a rotatable vane (5) is provided which is connected a disk (9) oriented transversely to the axis of rotation (8) of the vane, this disk lying in opposition to the feed conduit (1) for fiber material (2) terminating in the chamber (3). The surfaces of the vane are parallel to its axis of rotation, and so the orientation of the fibers parallel to that axis is maintained.

REFERENCES:
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patent: 3150219 (1964-09-01), Schmidt
patent: 3475532 (1969-10-01), Guldenfels et al.
patent: 3506752 (1970-04-01), Varnell et al.
patent: 3679337 (1972-07-01), Fuselier
patent: 3700764 (1972-10-01), Tago
patent: 3714312 (1973-01-01), Nitta et al.
patent: 3768943 (1973-10-01), Maihart
patent: 4448742 (1984-05-01), Kromrey

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