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
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James Cracroft Haller
Robert Hope Machell
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Individual
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Individual
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Publication of GB190424729ApublicationCriticalpatent/GB190424729A/en
24,729. Haller, J. C., and Machell, R. H. Nov. 15. Spigot-and-socket joints; sleeve joints.-In earthenware pipes, the socket a has a groove b, while the spigot has a groove e and an aligning-bead i. The reduced part f of the spigot corresponds in diameter to the inner ring g of the socket, so that the canvas ring p can be inserted to prevent cement poured in through a top hole from entering the inside of the pipe. The ring p is formed from a strip inserted by the flexible rod k which is passed around the groove b.
GB190424729D1904-11-151904-11-15A New or Improved Pipe Joint
ExpiredGB190424729A
(en)