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Expired
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Robert Twentyman Napier
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Individual
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Individual
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Publication of GB189915116ApublicationCriticalpatent/GB189915116A/en
15,116. Napier, R. T. July 22. Feedwater, purifying, filters for. The filtering-medium consists of a long conical bag G of woven fabric, folded alternately inwards and outwards over a series of concentric conical suppotting-shells H of wire gauze or perforated metal. The shells are held between gratings J, K secured by nuts on a central rod L. The edge of the upper grating is pressed against a flange on the outer casing, to make joint therewith by means of a screw V in the cover.
GB189915116D1899-07-221899-07-22Improvements in Apparatus for Filtering Water or other Liquids for Feeding Boilers or other purposes.
ExpiredGB189915116A
(en)