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Title:
プラスチック成形品の成形方法、プラスチック成形システム、プラスチック成形システムによる光学素子
Document Type and Number:
Japanese Patent JP5864873
Kind Code:
B2
Abstract:
A molding method of a plastic molded product includes preparing at least one mold including a high-precision surface; preparing a plurality of molds having a low-precision surface; sequentially supplying molten resin to one of the plurality of molds having low-precision surface; sequentially cooling, for a predetermined length of time, the molds supplied with the molten resin while applying pressure, taking out a molded member from the cooled mold, setting the molded member which has been taken out in the mold having the high-precision surface, and melting only a surface of the molded member while pressing the high-precision surface against the surface to form a plastic molded product.

Inventors:
Masanobu Ogane
Atsushi Takada
Application Number:
JP2011055084A
Publication Date:
February 17, 2016
Filing Date:
March 14, 2011
Export Citation:
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Assignee:
Canon Inc
International Classes:
B29C33/38; B29C45/04; B29C45/73
Domestic Patent References:
JP61112621A
JP200945816A
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa