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Franz Fritz
Konrad Suchanek
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Publication of GB190222472ApublicationCriticalpatent/GB190222472A/en
22,472. Fritz, F., and Suchanek, K. Oct. 15. Lift valves; repairing, facilitating. -A lift valve a has a downwardlyextended spindle b with a square end, which engages with an auxiliary valve c mounted on a screwed sleeve e. The auxiliary valve is closed by overscrewing the spindle, and a stop i on the spindle indicates that the main valve can then be removed for repairs.
GB190222472D1902-10-151902-10-15Improvements in Double Seat Valves.
ExpiredGB190222472A
(en)