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    • 22. 发明公开
    • SHUT-OFF DEVICE AND DRAIN SHAFT ASSEMBLY
    • 断路装置,排水轴装置
    • EP2872702A1
    • 2015-05-20
    • EP13745599.4
    • 2013-07-11
    • Planet Patent S.A.
    • The designation of the inventor has not yet been filed
    • E03F5/04E03F5/042
    • E03F5/0405E03F5/042E03F2005/0416E03F2005/0417Y02A30/68
    • The invention relates to a shut-off device (100) especially for sewage drains, characterised in that the device has an inlet fitting piece (4, 167) and a dual valve system (200), the inlet fitting piece (4, 167) comprises a valve seat (10, 178), the first valve of the dual valve system (200) is a clack valve (9, 168) that is rotateably mounted on the inlet fitting piece (4, 167) above the valve seat (10, 178) such that the clack valve (9, 16) rests in an inclined or vertical position against the valve seat (10, 178) in the rest position, the dual valve system (200) further comprises a flexible shut-off valve (11, 169) comprising a flexible material (11 a) having a larger surface than an upper surface (9a) of the clack valve (9), a lower side (11d) of the flexible material (11a) is provided with auxiliary weight (18) and the upper side (11 b) of the flexible material (11 a) is affixed to the inlet fitting piece (4, 167) above the clack valve (9, 168) whereby the lower side (11 d) of the flexible material (11 a) provided with the auxiliary weight (18) hangs down from the clack valve (9, 168) and biases the clack valve (9, 168) towards the rest position. The invention further relates to a drain shaft assembly (300) comprising a drain shaft (302) being in communication with a sewage drain (304) and an upper drain shaft opening (306) being in communication with the outside (308), characterised by comprising a shut-off device (100) according to the invention.
    • 27. 发明公开
    • Water-trap
    • 污水池
    • EP0486954A3
    • 1992-10-14
    • EP91119489.2
    • 1991-11-15
    • AB SJÖBO BRUK
    • Spanberg, Bengt
    • E03F5/042E02D29/14E03F11/00
    • E03F5/042
    • The present invention relates to a cesspool, including an upwardly open cup (16) and an inlet member (7) protruding thereinto from above in such a way that water (17) flowing through said inlet member (7) through said cup (16) can pass into a drainage system to which the cesspool (1) is connected and whereby water (17) in said cup (16) forms an odour lock between the drainage system and the inlet member (7). In order to provide a cesspool which forms an odour lock also if the odour lock in the cup (16) ceases to function and which prevents animals, bacteria and waste water from the drainage system from finding their way up and into the cup (16), said cup (16) is movably mounted relative to a seat (19) and cooperates with at least one power generating means (20) for bringing the cup (16) to close engagement with the seat (19) such that said cup (16) and seat (19) with each other define an odour lock if the water (17) defining the odour lock in the cup (16) is sinking.