发明名称 |
FORM ZUR FORMUNG VON VORGESCHAEUMTEM MATERIAL AUS THERMOPLASTISCHEM SYNTHETIKHARZ |
摘要 |
This invention relates to a mold for molding prefoamed material of thermoplastic synthetic resin, in which the foamed product is provided with a smoothened superficial skin layer on the overall surface thereof, a beautiful external appearance and a remarkable strength. The mold according to this invention consists of a pair of molds each of which is provided with an internal wall facing to a cavity and an external wall not facing to the cavity, and either one of or each of which is provided with at least one heating chamber including a steam inlet and a steam outlet both of which are mounted in the external wall. And either one of or each of the two molds is provided with a plurality of steam passages and a surface-heating chamber independent thereof both of which are mounted in the internal wall. |
申请公布号 |
DE2928119(A1) |
申请公布日期 |
1980.01.31 |
申请号 |
DE19792928119 |
申请日期 |
1979.07.12 |
申请人 |
MITSUBISHI PETROCHEMICAL CO. LTD.;DAISEN INDUSTRY CO. LTD. |
发明人 |
HAYASHI,TATSUO;ITHO,RYOUICHI;TSUJI,TATSUMI |
分类号 |
B29C44/00;B29C33/04;B29C44/44;B29C44/58;B29C59/00;B29C67/00 |
主分类号 |
B29C44/00 |
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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