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
George Thompson
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 GB190224931ApublicationCriticalpatent/GB190224931A/en
24,931. Thompson, G. Nov. 13. Lift valves. - In order to ensure the proper closing of taps or cocks of the screw-down type, a loose cup-shaped valve is used, the annular edge of which is forced down upon a leather, rubber, or vulcanite washer fixed in an annular groove b<2> in the valve seat. The inner wall b<3> of the recess may be raised to form a guide for the valve. The annular recess may be made in the end of the valve - spindle, the loose cup-shaped valve being placed on the horizontal partition b of the tap body. The valve-stem e<2> and screw spindle d may be connected by a screw which passes through the spindle into a circumferential groove in the valve-stem.
GB190224931D1902-11-131902-11-13Improvements in Taps, Cocks and the like
ExpiredGB190224931A
(en)