发明名称 |
Method for producing integral skin polyurethane foam |
摘要 |
Disclosed herein is a process for producing an integral skin polyurethane foam which comprises expanding a reacting mixture containing substantially no blowing agent in an evacuated mold cavity. Disclosed also herein is an apparatus for producing said an integral skin polyurethane foam which comprises a mold having a cavity and a vent hole, a vacuum chamber communicating with the cavity through the vent hole, a vacuum pump to evacuate the cavity through the vacuum chamber, and a sight glass attached to the vacuum chamber so as to make the vicinity of the vent hole visible from the outside of the vacuum chamber. <IMAGE> |
申请公布号 |
EP0534358(B1) |
申请公布日期 |
1996.12.04 |
申请号 |
EP19920116164 |
申请日期 |
1992.09.22 |
申请人 |
TOYODA GOSEI CO., LTD. |
发明人 |
MABUCHI, AKIRA;YAMANAKA, OSAMU;KUMAGAI, NAOYUKI;ONO, SATORU;MATSUURA, MOTOSHI |
分类号 |
B29C39/42;B29C39/10;B29C44/00;B29C44/06;B29C44/34;B29C44/60;B29K105/04;B29L31/58;C08G18/08 |
主分类号 |
B29C39/42 |
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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