发明名称 Molding process for manufacturing a tubular molded article
摘要 A molding process for manufacturing a tubular molded article includes the steps of (a) preparing a mold that defines a mold cavity and that is formed with at least a protrusion protruding into the mold cavity, (b) placing a supporting member in the mold cavity, (c) introducing a first molding material into the mold cavity around the supporting member so as to form a first molded part around the supporting member and a decorating indentation in the first molded part, and (d) filling the decorating indentation in the first molded part with a second molding material so as to form a second molded part therein.
申请公布号 US2005084639(A1) 申请公布日期 2005.04.21
申请号 US20040785294 申请日期 2004.02.23
申请人 ALVIN LEE JEWELRY, INC. 发明人 LEE YEOU-CHING
分类号 B22C9/00;B29C33/00;B29C39/02;B29C39/10;B29C70/74;B32B1/08;(IPC1-7):B32B1/08 主分类号 B22C9/00
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