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Francis Thomas Harrington
Frederick Goodhand Jennings
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Publication of GB190726595ApublicationCriticalpatent/GB190726595A/en
26,595. Harrington, F., and Jennings, F. G. Dec. 2. No Patent granted (Sealing fee not paid). Stopping pipes and tubes.-A d e v i c e for stopping pipes comprises a tube A provided with end disks B, B' which carry soft-metal packing- rings C, C<1> ; bearing against these rings are two dished steel washers D, D<1> carried by a bolt E passing through the tube A. When the nut F is tightened up, the dished washers flatten and press the packing - rings outwards, thereby stopping the pipe at each end.
GB190726595D1907-12-021907-12-02Improvements in Stoppers for Tubes of Steam Boilers & the like.
ExpiredGB190726595A
(en)