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Sydney Asline Ward
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21,068. Ward, S. A. Oct. 1. Stuffing- boxes.-Metallic packing for the stuffing- boxes of pumps, steam hammers, &c. comprises a gun-metal ring A with internal ribs C inclined to a radius. White metal B is cast into this ring and prevented from adhering to the faces C<2>; after being turned, the ring is parted at E. The parts are held together by a coned ring H which is pressed up by a coiled spring I as described in Specification No. 16,671, A.D. 1902.
GB190421068D1904-10-011904-10-01Improvements in Metallic Packings for Piston Rods and the like
ExpiredGB190421068A
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