| 摘要 |
<p>PCT No. PCT/SE97/00988 Sec. 371 Date Feb. 12, 1998 Sec. 102(e) Date Feb. 12, 1998 PCT Filed Jun. 5, 1997 PCT Pub. No. WO97/47905 PCT Pub. Date Dec. 18, 1997A valve device is adapted to be provided on top of a container (1) to prevent the flow of a liquid from said container. Said container may form a part of a cleaning device. The valve device comprises a passage (10) extending in a direction (x) being essentially vertical when the valve device is in a normal working position and having an orifice (11) at one end. The orifice is surrounded by a surface (14). Moreover, the valve device comprises a disk (15) having a disk diameter exceeding the diameter of said orifice and support means (17, 18) to support the disk (15) beneath said orifice (11) at a distance from said surface such that the disk is movable to abut said surface when said direction (x) deviates from said vertical direction by a predetermined angle.</p> |
