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.)
Cornay Pena Y Xirgu Cabarrocas M Y J
Original Assignee
Cornay Pena Y Xirgu Cabarrocas M Y J
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Filing date
Publication date
Application filed by Cornay Pena Y Xirgu Cabarrocas M Y JfiledCriticalCornay Pena Y Xirgu Cabarrocas M Y J
Priority to ES1973193087UpriorityCriticalpatent/ES193087Y/en
Publication of ES193087UpublicationCriticalpatent/ES193087U/en
Application grantedgrantedCritical
Publication of ES193087YpublicationCriticalpatent/ES193087Y/en
"Liquid dosing apparatus" characterized in that it is constituted by a tank, provided with projections to allow it to be fixed in vertical position in a wall and an upper cover for filling, whose tank has a tubular extension open at the bottom and closed towards the inside of the tank by a check valve, whose body forms an annular housing for displacement of a hollow piston, provided with an internal step where a membrane seal that constitutes a check valve that closes a limited chamber rests. in its upper part with the valve body fixed to the tank, whose piston is screwed at its lower end in a piece that constitutes the outlet nozzle and drive command, said coupling forming a chamber where another membrane seal is housed which constitutes a lower check valve, further comprising a coil spring, which it ode to the piston and acts in an antagonistic direction to the upward displacement of the nozzle and piston. (Machine-translation by Google Translate, not legally binding)