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Patent Searching and Data


Title:
PRODUCTION METHOD FOR POLARIZING PLATE WITH PROTECTIVE FILM
Document Type and Number:
WIPO Patent Application WO/2016/203947
Kind Code:
A1
Abstract:
Provided is a production method for a polarizing plate having a protective film, said production method including a step in which a protective film is laminated on one surface of a polarizing plate and pressed by passing same between a pair of bonding rolls. In the pair of bonding rolls, the surface hardness H1 of the bonding roll that comes in contact with the protective film and the surface hardness H2 of the bonding roll that comes in contact with the polarizing plate, as measured by a type A durometer hardness tester specified under JIS K 6253, fulfil the relationship H1 > H2.

Inventors:
FURUYA TSUTOMU (JP)
MUTO KIYOSHI (JP)
Application Number:
PCT/JP2016/066166
Publication Date:
December 22, 2016
Filing Date:
June 01, 2016
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
G02B5/30; G02F1/1335
Domestic Patent References:
WO2014178325A12014-11-06
Foreign References:
JP2012053078A2012-03-15
JP2014119502A2014-06-30
JP2011095560A2011-05-12
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
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