用于儿童饮水,防止液体泄漏。
专利摘要
一种防漏饮水杯,具有用于通常封闭杯的液体容器的开口顶部的隔膜密封件。当从杯中饮水的人(通常是小孩)施加真空压力时,密封件可被打开以允许液体流过它并流出杯子。隔膜密封件具有外围边缘,该外围边缘可被真空压力向上偏转以打开离开饮水杯的路径。可采用压紧肋来控制允许外围边缘偏转的位置。
Original abstractA leak resistant drinking cup has a diaphragm seal for normally closing an open top of a liquid container of the cup. The seal can be opened to permit liquid to flow past it and out of the cup upon application of a vacuum pressure by the person, typically a small child, drinking from the cup. The diaphragm seal has a peripheral edge margin that can be deflected upward by the vacuum pressure to open a path out of the drinking cup. A hold down rib may be employed to control the locations where the peripheral edge margin is permitted to deflect.
专利附图(8)








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