发明名称 Valved water container with seal
摘要 A combination sealing, venting, mounting and filter element is positioned between a replaceable inverted water bottle and a water reservoir from which the water is dispensed. The element is snugly fitted within the mouth portion of the reservoir or olla of plastic material into which a dispensing valve is threaded. The element includes a venting channel in communication with a filter housing which is releasably secured to such element adjacent to an upwardly extending flange portion, the flanged portion being apertured for venting and also shaped to provide a sealing portion engaging the bottle. Also the element has a downwardly extending portion near its periphery for engagement of a flat surface of a housing for the reservoir.
申请公布号 US4074986(A) 申请公布日期 1978.02.21
申请号 US19770777357 申请日期 1977.03.14
申请人 FRAHM, CARL E.;FRAHM, SHIRLEY E. 发明人 FRAHM, CARL E.;FRAHM, SHIRLEY E.
分类号 B01D46/00;F16K24/06;(IPC1-7):B01D46/10 主分类号 B01D46/00
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