发明名称 Method of making EVA shoe midsole
摘要 A method of making EVA shoe midsole includes a compound containing in percentage by weight the substancessuch as 100% of ethylene vinyl acetate (EVA) into which 5-40% of filling agent, 1-10% of foaming agent, 0.5-3% of bridging agent, 0.5-5% of finishing aid, 0.1-1% of foaming aid and coloring agent are added. Such compound is made into particles to be injected into the primary mold in which the preliminary blank of midsole is formed. The preliminary blank is made to foam to take shape of a molded blank under heat and pressure so as to ensure that the size of the molded blank corresponds to that of the midsole intended to be made. The molded blank is then treated in the secondary mold under heat and pressure and is subsequently cooled to take form of the midsole intended to be manufactured.
申请公布号 US5177824(A) 申请公布日期 1993.01.12
申请号 US19910805750 申请日期 1991.12.12
申请人 OU, YANG-CHIU 发明人 OU, YANG-CHIU
分类号 B29D35/00;B29D35/12;C08J9/06 主分类号 B29D35/00
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