Safety applianceºplicable to the water supply network, to avoid flooding (Machine-translation by Google Translate, not legally binding)

摘要

"SAFETY DEVICE APPLICABLE TO THE WATER SUPPLY NETWORK TO AVOID FLOODING" characterized by a vessel or container that, laterally and vertically, comprises a liquid outlet tube, with discharge orifice; the bottom of the container has a screw as a lifter of a float and, as a consequence, constitutes the means for opening a valve for the entry of liquid, arranged in the upper central part; also this container on the lower part and externally, has a threaded hole with stopper for emptying. (Machine-translation by Google Translate, not legally binding)