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John Charlton
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Individual
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30,054. Charlton, J. Dec. 20. Pistons.-Consists of piston packing for steam engines and the like. The packing is made up of three or more separate rings A, B internally of conical form acted on by inner expanding rings C correspondingly coned. Between the latter are arranged spiral springs to keep them against the junk-ring and piston flange. The several rings are arranged so as to break joint.
GB189730054D1897-12-201897-12-20Piston Packing Rings for Steam Engines and the like.
ExpiredGB189730054A
(en)