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1. 发明授权

US5891355A Self-sealing, bottom pouring system 失效
标题翻译：自密封，底部浇注系统
公开(公告)号：US5891355A
公开(公告)日：1999-04-06
申请号：US870774
申请日：1997-05-16
申请人： Long Wei , Su-Hui Chang
发明人： Long Wei , Su-Hui Chang
IPC分类号： B22D41/48 , B22D35/06
CPC分类号： B22D41/48
摘要： A pouring system comprises a crucible having an opening formed on a bottom thereof, and a self-sealing member blocking the opening. The self-sealing member is made of material which is the same as the raw material received within the bottom of the crucible. The crucible is supported on an inner distributor supported on a driving rod. The self-sealing member, inner distributor, driving rod are substantially located in a mold heating zone above which a smelting zone is disposed. When the raw material in the crucible is heated in the smelting zone by a first heat source to melt, the driving rod pushes the bottom of the crucible upward into the smelting zone. The self-sealing member is thus molten in the bottom of the crucible, un-blocking the opening to allow the melt to flow therethrough. The melt then flows through an inner distributor and flow pipes into a turnport and reaches a level condition after about 10 seconds. The driving rod is then lowered down to open pouring holes formed on the bottom of the turnport to allow the melt to flow therethrough into molds located directly under the pouring holes.
摘要翻译：一种浇注系统包括具有在其底部上形成的开口的坩埚和一个阻挡该开口的自密封构件。自密封构件由与坩埚底部的原料相同的材料制成。坩埚被支撑在支撑在驱动杆上的内部分配器上。自密封构件，内部分配器，驱动杆基本上位于模具加热区域中，在该加热区域内设置有冶炼区域。当坩埚中的原料通过第一热源在熔炼区中加热熔化时，驱动杆将坩埚的底部向上推入冶炼区。因此，自密封构件在坩埚的底部熔化，从而阻止开口以使熔体流过。然后，熔体流过内部分配器并将管道流入转向管，并在约10秒后达到水平状态。然后将驱动杆下降以打开形成在转口的底部上的倾倒孔，以允许熔体流过其中直接位于浇注孔下方的模具中。

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