发明名称 |
Double-walled shaped plastic articles |
摘要 |
What is disclosed is a double-walled shaped plastic article comprising a first sheet of a synthetic resin having a geometrically regular depression therein, the depressed portions of which are connected to surrounding planar portions of said sheet by a side wall, a circumferential groove in said side wall, and a second sheet of synthetic resin having edge portions pressure fitted into said circumferential groove.
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申请公布号 |
US4188425(A) |
申请公布日期 |
1980.02.12 |
申请号 |
US19780896618 |
申请日期 |
1978.04.14 |
申请人 |
ROHM GMBH |
发明人 |
HANSTEIN, FRIEDRICH;MOENCH, THEODOR P;SCHREYER, GUNTER |
分类号 |
B32B3/12;B29C55/00;B29C65/00;B29C65/56;E06B3/66;(IPC1-7):B32B17/00;B32B27/06;C03C27/12;E06B3/24 |
主分类号 |
B32B3/12 |
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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