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1. 发明申请

WO2008020863A3 METHOD TO SEAL REACTIVE MATERIALS UNDER VACUUM 审中-公开
标题翻译：在真空下密封反应性材料的方法
公开(公告)号：WO2008020863A3
公开(公告)日：2008-11-06
申请号：PCT/US2006043707
申请日：2006-11-08
申请人： UCHICAGO ARGONNE LLC
发明人： WIENCEK THOMAS C
IPC分类号： B21D33/00 , B23P11/00
CPC分类号： H05H6/00 , G21F1/125 , G21G1/06 , Y10T29/301 , Y10T29/49826 , Y10T29/49915 , Y10T29/49947 , Y10T29/49968
摘要： A method of sealing a low enriched uranium (LEU) foil (102) in a vacuum is provided. The LEU foil (102) is inserted into a stainless steel foil pouch (104). Sealing components (108) are assembled with the stainless steel foil pouch with a vacuum pump connection extending through an opening in the pouch. Then an open end of the pouch (104) is folded over and welded to form a vacuum tight bond. A vacuum pump (112) is attached to the connection outside the pouch and the stainless steel foil pouch (104) is evacuated. Then the stainless steel foil pouch (104) is folded and welded to seal the LEU foil (102) within a welded pouch portion. The remaining pouch portion including the vacuum sealing components is cut and separated from the welded pouch portion containing the LEU foil (102). The method uses on inexpensive readily available equipment, eliminating the need for electron beam welding equipment.
摘要翻译：提供了一种在真空中密封低浓铀（LEU）箔（102）的方法。将LEU箔（102）插入不锈钢箔袋（104）中。密封组件（108）与不锈钢箔袋组装，真空泵连接件延伸穿过袋中的开口。然后将袋（104）的开口端折叠并焊接以形成真空紧固结合。将真空泵（112）附接到袋外的连接处，并且将不锈钢箔袋（104）抽真空。然后折叠并焊接不锈钢箔袋（104）以将焊接的小袋部分内的LEU箔（102）密封。将包括真空密封部件的剩余袋部分从包含LEU箔（102）的焊接袋部分切割并分离。该方法用于廉价易用的设备，消除了对电子束焊接设备的需要。

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