PACKAGE OF HEAT-BENT POLARIZING SHEET AND INJECTION-MOLDED POLARIZING LENS

WIPO Patent Application WO/2016/067937

A1

[Problem] To provide a package of a heat-bent polarizing sheet that requires no preliminary drying before injection molding even after storage (preservation, transportation, transfer and transportation), etc., and an injection-molded polarizing lens using the heat-bent polarizing sheet. [Solution] A package of a heat-bent polarizing sheet, said heat-bent polarizing sheet being to be used for producing an injection-molded polarizing lens by bonding, via adhesive layers, transparent plastic sheets to both surfaces of a polarizing film comprising a uniaxially stretched polyvinyl alcohol-based resin film, using the thus obtained laminated polarizing sheet as an individual laminated polarizing sheet for an individual negative plate for lens, heat-bending the laminated polarizing sheet under heating into a spherical or aspheric shape to give a heat-bent polarizing sheet, mounting the heat-bent polarizing sheet to a mold, and injection-molding a transparent resin for lens to the concave surface thereof, characterized in that the heat-bent polarizing sheet is stored or transported in a moisture-proof package and can be subjected to injection molding without performing preliminary drying as a pretreatment before injection molding.

YOSHIDA RYUJI (JP)
TAKANO TOSHIHIKO (JP)

PCT/JP2015/079328

May 06, 2016

October 16, 2015

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WINTEC INC (JP)
MITSUBISHI GAS CHEMICAL CO (JP)
MGC FILSHEET CO LTD (JP)

B65D85/38; B65D77/04; B65D81/24; B65D81/26; G02B5/30; G02C7/02; G02C7/12

WO2014030611A1

2014-02-27

JP2013044769A	2013-03-04
JP2010505662A	2010-02-25
JP2012006603A	2012-01-12
JP2002145372A	2002-05-22
JP2005306483A	2005-11-04
JP2007024998A	2007-02-01

See also references of EP 3214018A4

YAMASAKI, Yukuzo et al. (JP)
Yukuzo Yamazaki (JP)

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