| 发明名称 |
FREMGANGSMAATE FOR TERMOFORMING AV ET TOSJIKTARK HVIS ENE SJIKT BESTAAR AV POLYETYLEN |
| 摘要 |
<p>A method of thermoforming a thermo-plastics sheet carrying a protective layer of polyethylene on at least one of the surfaces of the sheet comprising heating the assembly of sheet together with its protective layer to above the softening point of the thermoplastic and subsequently stretching the assembly to a desired shape.</p> |
| 申请公布号 |
NO144161(C) |
申请公布日期 |
1981.07.08 |
| 申请号 |
NO19770001223 |
申请日期 |
1977.04.05 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES LTD, |
发明人 |
BARKER, PETER JOHN,;CHEAL, GERALD ROBERT, |
| 分类号 |
B29C51/00;B29C51/14;(IPC1-7):29C17/03 |
主分类号 |
B29C51/00 |
| 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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