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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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