Title:
METHOD FOR PRODUCING OPTICAL FILM, OPTICAL FILM, POLARIZER, AND LIQUID CRYSTAL DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2010/098044
Kind Code:
A1
Abstract:
A method for producing an optical film comprising a cutting step to form an optical film by cutting at least one end of a film (41) which is being transferred, in a direction perpendicular to the transferring direction, and separating an end film (46) which has been cut out; and a transferring step to introduce the separated end film (46) into a pipe (43) and transfer the end film in the pipe (43) by wind transportation, wherein in the transferring step, a wind velocity of the wind used in the wind transportation is increased from the upstream side toward the downstream side of the pipe.
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Inventors:
MIZOGUCHI, Keisuke (Inc. 2970, Ishikawa-machi, Hachioji-sh, Tokyo 05, 〒1928505, JP)
Application Number:
JP2010/000981
Publication Date:
September 02, 2010
Filing Date:
February 17, 2010
Export Citation:
Assignee:
KONICA MINOLTA OPTO, INC. (2970, Ishikawa-machi Hachioji-sh, Tokyo 05, 〒1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 〒1928505, JP)
コニカミノルタオプト株式会社 (〒05 東京都八王子市石川町２９７０番地 Tokyo, 〒1928505, JP)
International Classes:
B29C41/34; B26D7/18; B29C41/28; G02B5/30; G02F1/1335
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (Osaka Nakanoshima Building 2nd Floor, 2-2 Nakanoshima 2-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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