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Title:
RESIN PELLET CLEANING METHOD
Document Type and Number:
WIPO Patent Application WO/2010/052872
Kind Code:
A1
Abstract:
A method of manufacturing a resin film or a resin sheet includes a step of cleaning resin pellets and a step of forming the resin film or the resin sheet by using the resin pellets.  The step of cleaning the resin pellets includes a step of introducing the resin pellets and water into a first tube body, and also includes a step of cleaning the resin pellets by removing foreign matter from the surfaces of the resin pellets by flow of the water while conveying the resin pellets and the water toward a discharge opening in the first tube body.

Inventors:
SASAI IZUMI (JP)
Application Number:
PCT/JP2009/005772
Publication Date:
May 14, 2010
Filing Date:
October 30, 2009
Export Citation:
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Assignee:
MITSUI DU PONT POLYCHEMICAL (JP)
SASAI IZUMI (JP)
International Classes:
B29B13/00; B29C45/17; B29C48/08; B29C48/285; B29L7/00
Domestic Patent References:
WO2008018404A12008-02-14
Foreign References:
JPH09263629A1997-10-07
JP2000193822A2000-07-14
JP2001150435A2001-06-05
JP2008002037A2008-01-10
JPH09302037A1997-11-25
JPH11291247A1999-10-26
JP2008222826A2008-09-25
JP2008238751A2008-10-09
JPH0541730U1993-06-08
JP2003170428A2003-06-17
JP2006142814A2006-06-08
JP2007031475A2007-02-08
JPH09263629A1997-10-07
JP2002003606A2002-01-09
JPH07216115A1995-08-15
JPH08132541A1996-05-28
JP2005161779A2005-06-23
Attorney, Agent or Firm:
HAYAMI, Shinji et al. (JP)
Shinji Hayami (JP)
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