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Title:
VARIABLE PRESSURE INJECTION MOLD, AND INJECTED SHOE MATERIAL AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/165639
Kind Code:
A1
Abstract:
Provided are a variable pressure injection mold (200), and an injected shoe material (410) and a method for manufacturing same. The variable pressure injection mold (200) for plastic injection molding comprises a mold body and a variable pressure air discharge layer (220), wherein the mold body has a foam molding space (210); and the variable pressure air discharge layer (220) is arranged on the mold body and is correspondingly exposed to the foam molding space (210), a plurality of variable pressure pores (221) are provided in the variable pressure air discharge layer (220), and the variable pressure pores (221) are in communication with the foam molding space (210). Thus, a variable pressure balance after an injection can be effectively realized, so that it is ensured that an injected shoe material is accurate in dimensions and does not tend to deform.

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Inventors:
WANG KUO-AN (CN)
Application Number:
CN2018/077874
Publication Date:
September 06, 2019
Filing Date:
March 02, 2018
Export Citation:
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Assignee:
CHANG YANG MAT CORP (CN)
International Classes:
B29C45/26; B29C44/18; B29C45/14
Foreign References:
CN206733490U2017-12-12
CN207014648U2018-02-16
CN101513765A2009-08-26
CN102975331A2013-03-20
CN201136271Y2008-10-22
US20080175942A12008-07-24
CN205033502U2016-02-17
CN2515008Y2002-10-09
Attorney, Agent or Firm:
LECOME INTELLECTUAL PROPERTY AGENT LTD. (CN)
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