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Expired
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Albert Ernest Jenks
John Henry Cattell
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Publication of GB190927505ApublicationCriticalpatent/GB190927505A/en
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
B21K1/00—Making machine elements
B21K1/64—Making machine elements nuts
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Mechanical Engineering
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Finger-Pressure Massage
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Massaging Devices
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Abstract
27,505. Jenks, A. E., and Cattell, J. H., [trading as Jenks & Cattell, A. E.]. Nov. 26. B r o a c h i n g.- Cold - pressed nut blanks after perforation are driven through a tapering die A with a sharp cutting-edge a', which scrapes and trues up the sides of the blank.
GB190927505D1909-11-261909-11-26Improvements in the Manufacture of Cold Pressed Nut Blanks.
ExpiredGB190927505A
(en)