发明名称 METHOD OF MAKING A MOLD AND MOLDED ARTICLE
摘要 The present invention is directed to a method of forming a mold for use in making molded articles having a plurality of microprojections. Additionally, the present invention provides a method of forming a molded article having a plurality of microprojections. In one aspect, a mold workpiece is provided, a tool having a tip with a shape corresponding to the microprojection, wherein the hardness of the tool is greater than that of the mold workpiece, is pressed into the mold workpiece and removed, thereby creating a mold with a microprojection cavity suitable for use in making the molded article.
申请公布号 US2010193997(A1) 申请公布日期 2010.08.05
申请号 US20060916468 申请日期 2006.06.08
申请人 FREDERICKSON FRANKLYN L;FERGUSON DENNIS E 发明人 FREDERICKSON FRANKLYN L.;FERGUSON DENNIS E.
分类号 B29C33/42;B29C35/08;B29C59/02 主分类号 B29C33/42
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