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James Ashworth
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Publication of GB190227811ApublicationCriticalpatent/GB190227811A/en
27,811. Ashworth, J. Dec. 16. Pistons.-Relates to packing for hydraulic rams, pump buckets, pistons, &c, The packing consists of an outer split band A, Fig. 1, of leather, guttapercha, or similar material, which is expanded by an inner split band B of a springy material, such as steel. Fig. 1 shows the packing applied to a hydraulic ram Y, and confined between collars Z. The band may have overlapping ends a, b, Fig. 1, or a tongue and slot a, b<2>, Fig. 4.
GB190227811D1902-12-161902-12-16Improvements in Packings for Hydraulic Rams, Pump Buckets, Pistons and the like.
ExpiredGB190227811A
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