发明名称 |
HOT RUNNER HAVING REDUCED VALVE-STEM DROOL |
摘要 |
Disclosed is a valve-gated hot-runner system (100; 200; 300; 400), having: (i) a back-up sealing arrangement (117), including: (i) a plurality of radial gaps (116A; 116B; 116C) associated with a valve stem (106) of a valve actuator (108), and (ii) a cooling system (114) being positioned relative to the plurality of radial gaps (116A; 116B; 116C), the cooling system (114) being configured to freeze a drool (109) being made to enter, under pressure, into the plurality of radial gaps (116A; 116B; 116C), so that the drool (109) that becomes frozen substantially reduces flow of the drool (109) along the valve stem (106) and toward the valve actuator (108).
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申请公布号 |
CA2698375(A1) |
申请公布日期 |
2009.05.07 |
申请号 |
CA20082698375 |
申请日期 |
2008.09.15 |
申请人 |
HUSKY INJECTION MOLDING SYSTEMS LTD. |
发明人 |
BAUMANN, MICHAEL;HONTHEIM, DANIEL;LACOME, GILLES |
分类号 |
B29C45/18;B29C45/23;B29C45/74 |
主分类号 |
B29C45/18 |
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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