发明名称 |
PURASUTEITSUKUSEKISOBUTSUNO SEIZOHOHO OYOBI SONOSEIZOSOCHI |
摘要 |
<p>This invention relates to a method for the manufacture of plastic sandwich element in which a first extruder is charged with essential ingredients for productions of foamed cellular plastic at a predetermined temperature. A second extruder is charged with essential ingredients for production of solid plastic at a temperature of at least 25 degrees farenheit from the predetermined temperature. The resulting sandwich is extruded through an extrusion die forming an integral plastic sandwich with the solid plastic layer controlling to a desired extent further foaming of the cellular plastic.</p> |
申请公布号 |
JPS51578(A) |
申请公布日期 |
1976.01.06 |
申请号 |
JP19750057879 |
申请日期 |
1975.05.14 |
申请人 |
JOSEFU DATSUKESU |
发明人 |
JOSEFU DATSUKESU |
分类号 |
B32B5/18;B29B7/00;B29C44/22;B29C47/00;B29C47/06;B29C47/20;B29C47/30;B29C47/56 |
主分类号 |
B32B5/18 |
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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