Title:
EXTRUSION PELLETIZER FOR POLYCARBONATE RESIN AND METHOD FOR EXTRUSION-PELLETIZING POLYCARBONATE RESIN
Document Type and Number:
WIPO Patent Application WO/2014/119187
Kind Code:
A1
Abstract:
This extrusion pelletizer (1) for polycarbonate resins is equipped with an extruder (2), a cooler (3), and a cutter (4). The extruder (2) is equipped, at the cylinder fore end part (21), with a first adaptor (22), a polymer filter unit (23), a second adaptor (24), and a die head (25). The polymer filter unit (23) is equipped inside with a plurality of rod-shaped filter elements. The temperature of the second adaptor (24) is set so as to be lower than the temperature of the polymer filter unit (23). The cooler (3) and the cutter (4) are disposed in an atmosphere which has an air cleanliness as provided for in JIS B 9920 of any one of class 1 to class 7.
Inventors:
WATANABE NOBUHIRO (JP)
TANAKA TAKAYOSHI (JP)
TANAKA TAKAYOSHI (JP)
Application Number:
PCT/JP2013/084562
Publication Date:
August 07, 2014
Filing Date:
December 25, 2013
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
B29B9/06; B29C48/05; B29C48/345; C08J3/12; B29C48/04
Foreign References:
| JP2004137455A | 2004-05-13 | |||
| JP2002316316A | 2002-10-29 | |||
| JP2008201113A | 2008-09-04 | |||
| JPH11291237A | 1999-10-26 | |||
| JP2011183817A | 2011-09-22 | |||
| JP2003512944A | 2003-04-08 | |||
| JP2001138321A | 2001-05-22 | |||
| JP2010017948A | 2010-01-28 | |||
| JP2001240667A | 2001-09-04 | |||
| JPH05239334A | 1993-09-17 | |||
| JP2009052027A | 2009-03-12 |
Other References:
See also references of EP 2952313A4
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
Bottom intellectual property office of patent business corporation Tatsuyuki (JP)
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