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Patent Searching and Data


Title:
EXTRUDER AND METHOD FOR PRODUCING STRANDS
Document Type and Number:
WIPO Patent Application WO/2021/075081
Kind Code:
A1
Abstract:
An extruder (1) according to one embodiment is equipped with: a screw (13) that rotates around a rotational axis extending in one direction; a cylindrical cylinder (12) that extends in the one direction and houses the screw (13); a drive unit (10) that rotates the screw (13) and is positioned on one end of the cylinder (12); a die (20) that is positioned on the other end of the cylinder (12) and extrudes, as a strand (18), a starting material (16) that has been kneaded by rotating the screw (13); an adjustment unit (30) that adjusts the flow velocity distribution of the starting material (16) flowing into the die (20), and is positioned between the cylinder (12) and the die (20); a detection unit (40) for detecting the discharge amount of the strand (18) that is discharged from the die (20); and a control unit (50) for feedback-controlling the flow velocity distribution on the basis of the discharge amount.

Inventors:
TAKEUCHI TAKAHIDE (JP)
MORISHITA KOUKI (JP)
Application Number:
PCT/JP2020/022061
Publication Date:
April 22, 2021
Filing Date:
June 04, 2020
Export Citation:
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Assignee:
JAPAN STEEL WORKS LTD (JP)
International Classes:
B29B9/06; B29C48/345; B29C48/92
Foreign References:
JP2019072920A2019-05-16
JP5753006B22015-07-22
JPS6318209U1988-02-06
Attorney, Agent or Firm:
IEIRI Takeshi (JP)
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