Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 350
1420. SEAMLESS TUBE MAK-ING. — Rolling a solid bar between apair of angular-axled disc rollers opensa cavity within the bar which is furtherexpanded by a second pair of disc rollers.The rolling of the tube between the discspushes the tubular bar over a revolvingconical mandrill. 1421. WIRE-BENDING… … .A 1422. Samples ofwire bending. 342 MILL AND FACTORY APPLIANCES. 1423. SEAMLESS TUBE MAKING.—The Mannesmann process. A, a, conical corrugated rolls: B, guide tube; B, hot bar of iron or steel being pushed throughthe rolls; D, mandrill for wideningthe inside of the tube, the hollow be-ing started…
Mechanical movements
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