专利名称：Two-piece valve
发明人：Robert P. Benjey可爱颂翻译
申请号：US11223569
申请日：20050909npr
公开号：US20070056648A1
谢谢你们英语怎么说公开日：
gotv
fact
20070315去新加坡留学怎么样
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专利附图：
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摘要：A valve has a flexible flap with a neck that engages with a slot on a spud to clo a passage in the spud. When an object is inrted into the passage, the flap bends to an open position to allow flow through the passage. When the object is removed from the passage, the resiliency of the flap caus the flap to return to the clod position
usually的音标without any external biasing device. The flexibility of the flap material eliminates the need for a parate hinge mechanism or flap biasing mechanism in the valve.
申请人：Robert P. Benjey
地址：Dexter MI US
kiddle国籍：US
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