发明名称 |
Apparatus for continuously producing foamed sheets |
摘要 |
A plastic foamed sheet of excellent quality is produced by using an apparatus comprising a preheating chamber including a conveyor means for continuously conveying a thermoplastic resin sheet containing a heat-decomposable blowing agent in the horizontally supported state and a heating means for heating the sheet to a temperature lower than the decomposition temperature of the blowing agent, and a foaming chamber connected to the preheating chamber and including a heating means for heat-foaming the sheet as it is continuously conveyed while being perpendicularly suspended from the terminal end portion of the conveyor means.
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申请公布号 |
US4124344(A) |
申请公布日期 |
1978.11.07 |
申请号 |
US19770785293 |
申请日期 |
1977.04.06 |
申请人 |
SEKISUI KAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
KIYONO, HIROSHI;ISHIMOTO, AKIO;NODA, YOICHIRO;YADA, KOZO |
分类号 |
B29C35/00;B29C35/02;B29C39/00;B29C44/00;B29C44/56;B29C59/00;B29C67/00;(IPC1-7):B29D27/00 |
主分类号 |
B29C35/00 |
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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