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Patent Searching and Data


Title:
OPTICAL FILM MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2013/111559
Kind Code:
A1
Abstract:
The present invention relates to a method for manufacturing optical films having a film thickness of 10 - 50 µm. The method is characterized in that a pair of slitting devices (11, 12), which are respectively located above the two edges in the width direction of a conveyed film (F), is provided in the film conveyance line prior to the film winding process, and the first slitting device (11) and the second slitting device (12) are offset from each other with an interval (D) of 1 - 20 m in the longitudinal direction of the film.

Inventors:
MIZOGUCHI KEISUKE (JP)
Application Number:
PCT/JP2013/000263
Publication Date:
August 01, 2013
Filing Date:
January 21, 2013
Export Citation:
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Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B29C41/34; B26D3/00; B29C41/28; G02B5/30; B29L7/00; B29L11/00
Foreign References:
JP2011051160A2011-03-17
JP2003089093A2003-03-25
JP2005238801A2005-09-08
JP2002220153A2002-08-06
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
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Claims: