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Bernhard Schaeffer Harlow
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Individual
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Individual
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Publication of GB190714416ApublicationCriticalpatent/GB190714416A/en
14,416. Harlow, B. S. June 22. Lift valves; seats.-A removable valve seat is adapted to be screwed into the valve casing by a tool engaging with a small non - circular hole E in a part F supported by arms G from the seat A. The total area of the spaces between the arms and the hole E is made at least equal to the maximum opening of the valve. Fig. 1 shows the seating applied to a screw-down valve of ordinary construction.
GB190714416D1907-06-221907-06-22Improvements in Valves.
ExpiredGB190714416A
(en)