发明名称 |
METHOD AND APPARATUS FOR FEEDING AN EXPANDING AGENT |
摘要 |
Method and apparatus (11) for feeding an expanding agent into a machine (1) for the extrusion of polymeric material. By varying the difference between the pressure of an expanding agent in a line (13) for the feeding of the same expanding agent and the pressure at a discharge nozzle (10) of the machine for extrusion it is possible to vary the density of the extruded polymer in a desired manner.
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申请公布号 |
WO2004022303(A8) |
申请公布日期 |
2004.07.22 |
申请号 |
WO2003IT00531 |
申请日期 |
2003.09.05 |
申请人 |
CGR SYSTEM S.R.L.;FARABOLINI, PAOLO;RIVI, GIULIANO |
发明人 |
FARABOLINI, PAOLO;RIVI, GIULIANO |
分类号 |
B29C44/34;B29C44/60;(IPC1-7):B29C44/34 |
主分类号 |
B29C44/34 |
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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