发明名称 Molding footwear lasts
摘要 Footwear lasts are molded by preparing an oversized model of the last to be molded; isolating, applying mold release to, and covering with liquid ISP at least first and second surface portions of the model; allowing the ISP cure to form at least first and second mold portions; and using the mold portions to mold plastic lasts.
申请公布号 US4044417(A) 申请公布日期 1977.08.30
申请号 US19750645547 申请日期 1975.12.31
申请人 JONES & VINING, INCORPORATED 发明人 COHEN, ARNOLD
分类号 B29C33/12;B29C33/38;B29C33/40;B29C70/68 主分类号 B29C33/12
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