Patent ID: 6817851
Filing Date: 2004-11-16
Classification: B29B,B29C,B29K,Y02W

Abstract:
An apparatus for the manufacture of fiber-reinforced plastic compositions, comprising:a plastic fusion extruder; and a plasticizing extruder, including a housing with two bores of varying diameter and two extruder shafts driven in rotation, one of the extruder shafts being a feed shaft, a discharge and transport section in the housing, a feed and impregnation section in the housing, including a slot-like infeed opening provided in the housing above the feed shaft for the introduction of endless fiber fleeces or fiber mats into at least one of the bores, wherein the infeed opening has a slot length of approximately the width of the fiber fleece or fiber mat and is parallel to the extruder shafts and is approximately tangental to one of the extruder shafts, and wherein the bores have wrap-arounds enlarged by 2-20 mm with respect to a diameter of the bores in the discharge and transport section, and a discharge nozzle placed over the infeed opening wherein strippers are arranged on at least one of the extruder shafts.