(19)
(11) EP 3 683 606 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
16.09.2020 Bulletin 2020/38

(43) Date of publication:
22.07.2020 Bulletin 2020/30

(21) Application number: 18857272.1

(22) Date of filing: 07.09.2018
(51) International Patent Classification (IPC): 
G02B 5/30(2006.01)
B29C 45/26(2006.01)
B65D 81/20(2006.01)
 B29C 45/14(2006.01)
B65D 77/04(2006.01)
(86) International application number:
PCT/JP2018/033214
(87) International publication number:
WO 2019/054295 (21.03.2019 Gazette 2019/12)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 12.09.2017 JP 2017174891

(71) Applicants:
  • Wintec, Inc.
    Nishinomiya-city, Hyogo 651-1411 (JP)
  • Mitsubishi Gas Chemical Company, Inc.
    Tokyo 100-8324 (JP)
  • MGC Filsheet Co., Ltd.
    Tokorozawa-city, Saitama 359-1164 (JP)

(72) Inventors:
  • KIMURA, HIDEAKI
    Tokorozawa-city Saitama 359-1164 (JP)
  • AKAKI, MASAYUKI
    Tokorozawa-city Saitama 359-1164 (JP)
  • FUJII, TAKASHI
    Tokorozawa-city Saitama 359-1164 (JP)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


(54) PACKAGE OF A HEAT-BENT POLARISING SHEET PACKAGE AND INJECTION-MOULDED POLARISING LENS


(57) [Object] To provide a package of a heat-bent polarizing sheet that does not require preliminary drying before injection molding nor substantial protective-film removal work even after preservation (storage, transfer, or transportation) and an injection-molded polarizing lens that uses this heat-bent polarizing sheet.
[Solution] A package of a heat-bent polarizing sheet for producing an injection-molded polarizing lens and an injection-molded polarizing lens that uses said sheet, in which a laminated polarizing sheet prepared by bonding a transparent plastic sheet onto each of two sides of a polarizing film formed of a uniaxially stretched polyvinyl alcohol resin film with an adhesive layer interposed therebetween is used as an individual laminated polarizing sheet that has an original plate shape for individual lenses, the individual laminated polarizing sheet is heat-bent to form a spherical surface or an aspherical surface under heating to prepare a heat-bent polarizing sheet, the heat-bent polarizing sheet is set onto a mold, and a transparent resin for lenses is injection-molded onto a concave surface of the heat-bent polarizing sheet,
in which the heat-bent polarizing sheet is a heat-bent polarizing sheet that is cumulatively packaged by means of a non-adhesive isolation film so as to withstand moisture and then stored or transported and can be used in injection molding without performing preliminary drying as a pretreatment of injection molding and without substantial protective-film removal work.