Plasticizing unit supplying a prescribed amount of fiber material pieces to heating cylinder using a vacuum or blower fiber transfer device
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United States of America Patent
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Sep 22, 2020
Grant Date -
Apr 12, 2018
app pub date -
Apr 7, 2016
filing date -
Apr 22, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
In order to be capable of reliably supplying a prescribed amount of fiber materials into a heating cylinder for each cycle and continuously manufacturing a homogeneous composite material, a plasticizing unit is provided with a fiber supply device 3 that supplies prescribed amount of fiber materials A2 having a prescribed length into the heating cylinder 1. The fiber supply device 3 is provided with: a cutting section 12 that cuts off a long fiber material A1 pulled out from a reel 11 into a prescribed length; a pressure-feeding section 13 that presses the fiber materials A2 having the prescribed length cut off by the cutting section 12 into the heating cylinder 1; and a fiber transfer device 45 that forcibly transfers the fiber materials A2 accumulated in the cutting section 12 to the pressure-feeding section 13. The pressure-feeding section 13 is constituted by a press cylinder 41 and a press piston 42, and the fiber transfer device 45 is constituted by a vacuum device.
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