Title:
CONTINUOUS EXTRUSION DEVICE BASED ON TWIN SCREW EXTRUDER
Document Type and Number:
WIPO Patent Application WO/2014/148553
Kind Code:
A1
Abstract:
According to the present invention, a twin screw extruder is continuously operated even during filter replacement by using a pair of filters. This continuous extrusion device based on a twin screw extruder has a pair of filters (6, 6a) provided to a degassing device (5), and a partition valve (24) having a valve (34) for establishing or terminating communication between the filters (6, 6a) and the screw hole (16) of a cylinder (1). When the first filter (6) is being replaced, degassing is performed using the other, second filter (6a). The twin screw extruder is continuously operated even during filter (6, 6a) replacement.
Inventors:
TAKAMOTO SEIJI (JP)
ISHIKAWA MAKOTO (JP)
KAKIZAKI JUN (JP)
FUJITA REO (JP)
YATA KYOHEI (JP)
ISHIKAWA MAKOTO (JP)
KAKIZAKI JUN (JP)
FUJITA REO (JP)
YATA KYOHEI (JP)
Application Number:
PCT/JP2014/057545
Publication Date:
September 25, 2014
Filing Date:
March 19, 2014
Export Citation:
Assignee:
JAPAN STEEL WORKS LTD (JP)
International Classes:
B29B7/48; B29C48/40; B29C48/69; B29C48/76; B29C48/92; B29C48/295; B29C48/54; B29C48/57
Foreign References:
| JPH09262830A | 1997-10-07 | |||
| JP2585280Y2 | 1998-11-18 | |||
| JPH11216353A | 1999-08-10 | |||
| JP2585280Y2 | 1998-11-18 | |||
| JP2008254444A | 2008-10-23 |
Other References:
See also references of EP 2929998A4
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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