发明名称 |
Extrusion system and process for minimizing color change times in extrusion of thermoplastics |
摘要 |
An extrusion system includes a main extruder and a secondary injection extruder. Both extruders are connected via a three-way valve. The main extruder has a mixing section downstream of the junction point with the secondary injection extruder. An accelerated switch between molding masses with different colors can be made by switching the three way valve.
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申请公布号 |
US5980098(A) |
申请公布日期 |
1999.11.09 |
申请号 |
US19970965036 |
申请日期 |
1997.11.05 |
申请人 |
ROEHM GMBH CHEMISCHE FABRIK |
发明人 |
MEIER-KAISER, MICHAEL |
分类号 |
B29C47/10;B29C47/58;B29C47/64;(IPC1-7):B29B7/24 |
主分类号 |
B29C47/10 |
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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