发明名称 |
Method for manufacturing molded foam |
摘要 |
An object of the invention is to provide a method for manufacturing a molded foam which is lightweight and excellent in strength. According to the invention, a method for manufacturing a molded foam from a foamed parison includes: an extruding step of extruding a resin blend containing a foaming agent and a thermoplastic resin to form a foamed parison; an attaching step of closely attaching facing portions of an inner wall surface of the foamed parison to each other to form a foamed parison laminated body; a mold clamping step of sealing and mold clamping the foamed parison laminated body by clamping the foamed parison laminated body by split mold blocks; and a sucking step of sucking air between the split mold blocks to reduce a pressure between the split mold blocks, after the attaching step and the mold clamping step.
|
申请公布号 |
US8343413(B2) |
申请公布日期 |
2013.01.01 |
申请号 |
US20100913003 |
申请日期 |
2010.10.27 |
申请人 |
KYORAKU CO. LTD.;ONODERA MASAAKI;TAMADA TERUO;FUKUDA TATSUYA;IGARASHI YU;OHNO YOSHINORI |
发明人 |
ONODERA MASAAKI;TAMADA TERUO;FUKUDA TATSUYA;IGARASHI YU;OHNO YOSHINORI |
分类号 |
B29C44/50;B29C44/34 |
主分类号 |
B29C44/50 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|