发明名称 |
MEJORAS A DADO DE EXTRUSION CON CONTROL DE FLUJO FUNDIDO PARA PRODUCIR LAMINAS TERMOPLASTICAS |
摘要 |
An extrusion die block providing a useful means of obtaining a polymer sheet with a highly efficient degree of gauge control comprises an extrusion passage defined by opposed surfaces and terminating in an extrusion orifice, at least one of said surfaces being provided with heating means comprising a plurality of elongated heater elements located within the die block at a distance of not more than 10 mm from the surface to be heated thereby, said elements being oriented in parallel with the major axis of each in the direction of extrusion. |
申请公布号 |
MX154052(A) |
申请公布日期 |
1987.04.10 |
申请号 |
MX19810189166 |
申请日期 |
1981.09.14 |
申请人 |
MONSANTO COMPANY |
发明人 |
JOHN LESTER FULTON;HAROLD HERBERT HOPFE |
分类号 |
B29B7/00;B29C47/00;B29C47/14;B29C47/32;B29C47/86;B29C47/92 |
主分类号 |
B29B7/00 |
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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