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Title:
INJECTION MOLD AND MANUFACTURING METHOD FOR INJECTION-MOLDED PRODUCT
Document Type and Number:
Japanese Patent JP2004148572
Kind Code:
A
Abstract:

To provide an injection mold capable of realizing highly efficient low cost production when one or more kinds of injection-molded products are formed, and a manufacturing method for an injection-molded product.

The injection mold 1 is equipped with a pair of molds 2 and 3, which form cavities 4 and 5 between them and are provided so as to be separated and allowed to approach mutually, and a supply part 80 for supplying a molten resin into the cavities 4 and 5. The cavities 4 and 5 are independently provided within the mold on-off surfaces of a pair of the molds 2 and 3, and the supply part 80 has runners 39 and 63 separately communicating with the respective cavities 4 and 5 and a sprue bush 30 having the sprue 36, which communicates with the runners 39 and 63, formed thereto. The sprue bush 30 is equipped with an opening/closing mechanism 37 capable of selectively supplying the molten resin to the cavities 4 and 5.


Inventors:
TAKEISHI ATSUSHI
YAMAMOTO KUNIO
Application Number:
JP2002314069A
Publication Date:
May 27, 2004
Filing Date:
October 29, 2002
Export Citation:
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Assignee:
MITSUBISHI MATERIALS CORP
International Classes:
B29C45/28; (IPC1-7): B29C45/28
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Masakazu Aoyama
Akihiko Eguchi
Hideyuki Sugiura
Yasuhiko Murayama
Noriko Yanai