专利名称：Pneumatic actuation device for controlling
the gate of needle valve nozzles in aninjection molding apparatus
发明人：GOINSKI, MICHAEL, DIPL. ING.申请号：EP06017507.2申请日：20060823公开号：EP1762361B1公开日：20090318
摘要：The needle valve (4) for an injection nozzle (2) is moved by a pneumatic actuator(10). To move the piston (12), the cylinder volumes (13a, 13b) are alternately suppliedwith pressurized air by a reversing valve (13). The feed (24) and exhaust (25) air form aclosed circuit with a compressor (27), pressure tank (29) and return tank (26). The returntank (26) is fitted with a safety suction valve (30).
申请人：INCOE INTERNATIONAL, INC.,INCOE INT INC,INCOE INTERNATIONAL, INC.
地址：DE
国籍：DE
代理机构：Boecker, Joachim
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