Extruder for the preparation of plastic material with the introd

Details Extruder for the preparation of plastic material with the introd Extruder for the preparation of plastic material with the introd

1991-05-20

1992-05-05

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Extrusion shaping means

366 76, 366 89, 425114, 425208, 4253761, 4253824, B29C 4700

Patent

active

051102757

ABSTRACT:
An extruder with at least one bore, in which an extruder shaft is arranged to be rotatingly driven, has a device for introducing a glass fibre strand. To this effect the shaft is provided with an adjustable throttling device, upstream of which starts out an impregnating channel which opens again into the bore downstream of the throttling device seen in conveying direction, i.e. into a mixing zone, in which the fibre strand is cut into fibre sections. An especially intense impregnating of the fibres of the fibre strand is thus achieved.

REFERENCES:
patent: 3409711 (1968-11-01), Pashak et al.
patent: 3453356 (1969-07-01), Kent, Jr. et al.
patent: 3746489 (1973-07-01), Rizzi et al.
patent: 4405399 (1983-09-01), Gibbons
patent: 4439387 (1984-03-01), Hawley
patent: 4848915 (1989-07-01), Fintel
patent: 4863363 (1989-09-01), Haring

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