发明名称 Vacuum forming apparatus for forming a three-dimensional surface article
摘要 A vacuum forming process and related apparatus are disclosed. The vacuum forming process and apparatus can be used for molding a thin sheet of thermoformable plastic into an accurate three-dimensional relief reproduction of an original artwork such that the plastic sheet carries a permanent image of the original work.
申请公布号 US5958470(A) 申请公布日期 1999.09.28
申请号 US19970842332 申请日期 1997.04.23
申请人 HALLMARK CARDS, INCORPORATED 发明人 HARDING, GLENN T.;HARDING, WILLIAM D.;LIDDLE, WILLIAM
分类号 B29C33/38;B29C33/42;B29C35/08;B29C35/16;B29C51/10;B29C51/36;B29C51/42;B29C59/00;B44F11/02;(IPC1-7):B29C51/10 主分类号 B29C33/38
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