Title:
METHOD FOR PRODUCING MOLDED RESIN ARTICLE, AND MOLDED RESIN ARTICLE
Document Type and Number:
WIPO Patent Application WO/2017/146203
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a method for producing a molded resin article, by which a molded article can be advantageously released from a transfer mold. Provided is a method for producing a molded resin article 90 by transferring a shape to a photocurable resin using a lower mold 30 and an upper mold 20, which is a transfer mold that includes a transfer part 22 formed from a silicone resin, wherein a curing step is carried out in a state whereby the outer edge side of the transfer mold is open, the transfer part 22 has, on the outside thereof, an easy release transfer surface 22j that is more withdrawn than a functional transfer surface 22a corresponding to a functional portion of the molded resin article 90, and after the photocurable resin is cured, the molded resin article 90 formed from the cured photocurable resin is released by using a portion having the easy release transfer surface 22j as a starting point.
Inventors:
HIRATA KENICHIRO (JP)
FURUTA KATSUKI (JP)
FURUTA KATSUKI (JP)
Application Number:
PCT/JP2017/007065
Publication Date:
August 31, 2017
Filing Date:
February 24, 2017
Export Citation:
Assignee:
KONICA MINOLTA INC (JP)
International Classes:
B29C33/38; B29C39/02; B29C39/26; G02B1/04
Foreign References:
| JP2004042493A | 2004-02-12 | |||
| JP2002187135A | 2002-07-02 | |||
| JP2012232449A | 2012-11-29 |
Attorney, Agent or Firm:
FUKUDA, Mitsuhiro (JP)
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