Title:
METHOD AND APPARATUS FOR MOLDING HOLLOW RESIN LONG OBJECT
Document Type and Number:
Japanese Patent JP2002283406
Kind Code:
A
Abstract:
To provide a method and apparatus for molding a hollow resin long object capable of enhancing the accuracy of a molded object uniformizing the flow velocity of the molten resin in a mold at the time of injection molding.
The mold 1 having a shaft 2 at the center thereof to form an annular space part 3, the annular flat plate-shaped film gate 14 communicating with one end part in the axial center direction (c) of the annular space part 3, the expanded annular empty chamber-shaped resin sump 13 communicating with the film gate 14 and a plurality of sprues 11 for supplying the molten resin to the resin sump 13 from an injection molding machine 7 are provided in the center direction of the mold 1.
Inventors:
FUJIWARA SATORU
YAMAMOTO AKIHIRO
OHORI ATSUSHI
YAMAMOTO AKIHIRO
OHORI ATSUSHI
Application Number:
JP2001092176A
Publication Date:
October 03, 2002
Filing Date:
March 28, 2001
Export Citation:
Assignee:
MITSUBISHI CABLE IND LTD
International Classes:
B29C45/26; B29C45/14; (IPC1-7): B29C45/26; B29C45/14
Attorney, Agent or Firm:
Takeshi Nakatani
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