GB189704286A - Improvements in the Manufacture of Metallic Jointless Rims for the Wheels of Bicycles, Tricycles, and other Velocipedes and Wheel Carriages.
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Improvements in the Manufacture of Metallic Jointless Rims for the Wheels of Bicycles, Tricycles, and other Velocipedes and Wheel Carriages.
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Thomas Henry Woollen
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4286. Woollen, T. H. Feb. 17. Making wheels for vehicles.-Relates to means for the manufacture of metallic jointless rims, reference being made to Specifications Nos. 10,076 and 21,284, A.D. 1891, and No. 14,660, A.D. 1893. A thin sheet of ductile metal is pressed by dies a, b and a stamp c into the form of a narrow trough, shown in Figs. 7 and 8, the bottom of which is cut out by the first or a subsequent operation. The ring is made either flanged or flangeless and is introduced between a set of three rollers, Fig. 11, which as they rotate make the ring circular, and also may give any suitable cross-section.
GB189704286D1897-02-171897-02-17Improvements in the Manufacture of Metallic Jointless Rims for the Wheels of Bicycles, Tricycles, and other Velocipedes and Wheel Carriages.
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