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Patent Searching and Data


Title:
METHOD FOR PRODUCING PLASTIC LENS AND DEVICE FOR PRODUCING PLASTIC LENS
Document Type and Number:
WIPO Patent Application WO/2016/204111
Kind Code:
A1
Abstract:
This method for producing a plastic lens comprises: a step for stirring and mixing a solution containing a polymerization reactive compound in a blending tank (20); a step for feeding the polymerizable composition obtained in the preceding step from the blending tank (20) to a lens-casting mold (30); a step for curing the polymerizable composition; and a step for releasing the cured resin from the lens-casting mold (30) to obtain a plastic lens mold body. The step for feeding the polymerizable composition includes a step for remixing the polymerizable composition discharged from the blending tank (20) and injecting the composition into the lens-casting mold (30).

Inventors:
ITO SHINSUKE (JP)
SUESUGI KOUJI (JP)
FURUYA MASAYUKI (JP)
NISHIMURA TAKESHI (JP)
TANAKA MAMORU (JP)
Application Number:
PCT/JP2016/067508
Publication Date:
December 22, 2016
Filing Date:
June 13, 2016
Export Citation:
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Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
B29C39/24; B29C39/02; G02B1/04; G02B3/00; B29L11/00
Domestic Patent References:
WO2010047168A12010-04-29
WO2015060260A12015-04-30
Foreign References:
JP2010214754A2010-09-30
JPS5394964U1978-08-02
JP2012071556A2012-04-12
JPH0955119A1997-02-25
JPS5277975U1977-06-10
JPH0381320A1991-04-05
JP2007301776A2007-11-22
Other References:
See also references of EP 3308928A4
Attorney, Agent or Firm:
HAYAMI SHINJI (JP)
Shinji Hayami (JP)
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