Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0034017UpriorityCriticalpatent/ES34017Y/en
Publication of ES34017UpublicationCriticalpatent/ES34017U/en
Application grantedgrantedCritical
Publication of ES34017YpublicationCriticalpatent/ES34017Y/en
Aeration Devices For Treatment Of Activated Polluted Sludge
(AREA)
Biological Treatment Of Waste Water
(AREA)
Abstract
Improved valve that is characterized in being formed by a piece equipped with one or more through holes and a cylindrical tubular ridge of suitable height that surrounds the holes serving as seat to the periphery of a membrane that is fixed by its center, to a stem, which passes through the base part of the valve through a central hole, a nut or stop piece being threaded on the projecting end. (Machine-translation by Google Translate, not legally binding)