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Title:
射出成形方法
Document Type and Number:
Japanese Patent JP6923359
Kind Code:
B2
Abstract:
To realize an injection molding method capable of suppressing occurrence of warping of a molded article.SOLUTION: The injection molding method includes steps of: moving a movable mold 4 and fix a distance between the movable mold 4 and a reaction plate 3 so that an approaching position of the movable mold 4 with respect to a stationary mold 2 becomes a position where the material M is placed in an initial position where it becomes in an overpacked state when the material M having a preset injection amount is injected into a cavity 9; and injecting the material M into the cavity 9 and, while the material M is used to push the movable mold 4 in a direction away from the stationary mold 2 to elastically deform a tie bar 7, filling the expanded cavity 9 with the material M having a preset injection amount.SELECTED DRAWING: Figure 1

Inventors:
Kiyono
Motoaki Ogoshi
Hideyuki Kato
Kazuaki Miyamoto
Yuichiro Fukuda
Akio Okamoto
Application Number:
JP2017098290A
Publication Date:
August 18, 2021
Filing Date:
May 17, 2017
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
Ube Industries, Ltd.
International Classes:
B29C45/76; B29C33/00
Domestic Patent References:
JP8238655A
JP2147224A
JP3038319A
JP2008155503A
JP2017061149A
Attorney, Agent or Firm:
Ken Ieiri