Title:
KNEADING DISK, SCREW ELEMENT, AND EXTRUDER
Document Type and Number:
WIPO Patent Application WO/2018/012046
Kind Code:
A1
Abstract:
The purpose of the present invention is to improve the kneading performance of a resin material in the rotational direction of a screw. A kneading disk 7 is fitted onto a rotatable shaft 3 and disposed in a cylinder 2. An outer circumferential surface 8 of this kneading disk 7, opposing the cylinder 2, has a belt-shaped section 9 which extends between both ends 7a, 7b of the kneading disk 7 in the X-axis direction of the shaft 3 and which has the smallest gap from the cylinder 2. The belt-shaped section 9 has at least one bent section 10.
Inventors:
TAKEUCHI TAKAHIDE (JP)
NAKAMURA MOTOI (JP)
NAKAMURA MOTOI (JP)
Application Number:
PCT/JP2017/012575
Publication Date:
January 18, 2018
Filing Date:
March 28, 2017
Export Citation:
Assignee:
JAPAN STEEL WORKS LTD (JP)
International Classes:
B29B7/42; B29C48/47
Foreign References:
| JP2005035212A | 2005-02-10 | |||
| JP2003211440A | 2003-07-29 | |||
| JP2002210731A | 2002-07-30 | |||
| JP2001205625A | 2001-07-31 |
Other References:
See also references of EP 3486059A4
Attorney, Agent or Firm:
MIYAZAKI Teruo et al. (JP)
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