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
Frederick William Baker
James Samuel Foley
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 GB190801295ApublicationCriticalpatent/GB190801295A/en
1295. Baker, F. W., and Foley, J. S. July 20. Check valves; casings. - In tyres with double airtubes, the valves are arranged one within the other. The inner valve comprises a spring- pressed spigot 7, which, after inflation of the primary tube, is screwed against the opening 9 by the nozzle 8. The outer ball valve 12 is attached either direct to the valve stem 3 or to a cap 10 screwed on the stem.
GB190801295D1908-07-201908-07-20Improvements in Tyres of Road Vehicles.
ExpiredGB190801295A
(en)