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Title:
MOLD FOR SYNTHETIC-RESIN FOAM MOLDING, PROCESS FOR PRODUCING FOAM-MOLDED SYNTHETIC RESIN USING SAID MOLD, AND FOAM-MOLDED SYNTHETIC RESIN PRODUCED BY SAID PRODUCTION PROCESS
Document Type and Number:
WIPO Patent Application WO/2017/002676
Kind Code:
A1
Abstract:
Provided are: a mold for synthetic-resin foam molding which is capable of preventing large voids from occurring; a process for producing a foam-molded synthetic resin using the mold; and a foam-molded synthetic resin produced by the production process. The mold (10), which is for molding a synthetic-resin foaming material, has a cavity 29 formed by an upper mold 16 and a lower mold 12 and further has a parting line 22 (communication part) through which the cavity 29 communicates with the outside air. The mold (10) is equipped with a rod-shaped object 24 which protrudes from a cavity wall somewhere in a passage through which the synthetic-resin foaming material flows into the parting line 22.

Inventors:
MUTA Yousuke (3348-1, Oaza Hongyo Ejima-machi, Tosu-sh, Saga 73, 〒8410073, JP)
MIZUTA Kouhei (3348-1, Oaza Hongyo Ejima-machi, Tosu-sh, Saga 73, 〒8410073, JP)
IBI Norihito (3348-1, Oaza Hongyo Ejima-machi, Tosu-sh, Saga 73, 〒8410073, JP)
Application Number:
JP2016/068474
Publication Date:
January 05, 2017
Filing Date:
June 22, 2016
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
B29C33/10; B29C39/26
Attorney, Agent or Firm:
ETOH Toshiaki (Nihombashi Nichigin-dori Bldg. 6F, 6-7 Nihombashihongoku-cho 4-chome, Chuo-k, Tokyo 21, 〒1030021, JP)
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