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Title:
METHOD FOR MANUFACTURING STRETCHED FILM AND DEVICE FOR MANUFACTURING STRETCHED FILM
Document Type and Number:
Japanese Patent JP2017185620
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a stretched film that is hardly broken in a manufacturing step, and to provide a device for manufacturing a stretched film.SOLUTION: The method for manufacturing a stretched film of slitting in a mechanically flowing direction of a raw material stretched film includes a slitting step of splitting the raw material stretched film in a width direction so as to have an interval of 0.5 mm or more.SELECTED DRAWING: Figure 4

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Inventors:
FURUYA TSUTOMU
HAYAKAWA NOBORU
KITAGAWA YUSUKE
Application Number:
JP2017063663A
Publication Date:
October 12, 2017
Filing Date:
March 28, 2017
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
B26D1/02; B26D3/00; B29C55/06; G02B5/30
Domestic Patent References:
JP2012173724A2012-09-10
JP2010058285A2010-03-18
JP2007260876A2007-10-11
JP2002103271A2002-04-09
JP2013244661A2013-12-09
JP2002052493A2002-02-19
JP2005306981A2005-11-04
JP2003240958A2003-08-27
JP2005212098A2005-08-11
JP2011186085A2011-09-22
JP2008239654A2008-10-09
JP2013159473A2013-08-19
JPS5916689A1984-01-27
JPS5937097A1984-02-29
JPS58173495U1983-11-19
Foreign References:
WO2013118186A12013-08-15
WO2013146145A12013-10-03
Attorney, Agent or Firm:
Fukami patent office



 
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