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.)
Expired
Application number
Inventor
Robert Harvey
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
Application grantedgrantedCritical
Publication of GB190506389ApublicationCriticalpatent/GB190506389A/en
6389. Harvey, R. March 25. Liquid-seal valves. - A combined siphon and valve is described in connexion with apparatus for discharging filter beds. The siphon G is attached to a bent tube H, the outlet I of which is covered by a bell J so as to form a water seal L. When the bell is raised by the tilting-tray A, through which the liquid is supplied to the bed, and the connexion N. the pipe I is opened to the air tube K and the conduit P<x>, the sewage being discharged through the latter.
GB190506389D1905-03-251905-03-25A Means for Discharging Effluent from Filter Beds.
ExpiredGB190506389A
(en)