. Textile raw materials and their conversion into yarns : (the study of the raw materials and the technology of the spinning process) a text-book for textile, trade and higher technical schools, as also for self-instruction ; based upon the ordinary syllabus and curriculum of the Imperial and Royal Austrian weaving schools. rroller, c, whence it passes to the breast cylinder, /, and maincylinder, T. Any burrs and fragments of wood, straw, etc.,are knocked off the burr roller by the roller, g, into the burrbox, h, which is emptied at intervals, whilst the fly roller, /,takes up any fibres or lo
. Textile raw materials and their conversion into yarns : (the study of the raw materials and the technology of the spinning process) a text-book for textile, trade and higher technical schools, as also for self-instruction ; based upon the ordinary syllabus and curriculum of the Imperial and Royal Austrian weaving schools. rroller, c, whence it passes to the breast cylinder, /, and maincylinder, T. Any burrs and fragments of wood, straw, etc.,are knocked off the burr roller by the roller, g, into the burrbox, h, which is emptied at intervals, whilst the fly roller, /,takes up any fibres or locks dropped by the burr roller andpresents them to the breast cylinder. The main cylindertakes the wool up to the workers and strippers, A\ W^ . .A*^, W, where it is treated, as already described, until thefibres are completely isolated. The very fast fancy roller, V,then raises the wool out of the card clothing on the cylinderready for easy removal by the doffer, P. The doffer comb, H,strips it from the latter as a filmy fleece, k, which is condensedto a firm sliver by drawing it through the trumpet condenser,n, under the influence of the rollers, /, ui, and is wound in spiralcoils on the bobbin, q, by the revolving and reciprocatingwinding roller, 0. This method of winding prevents the TEXTILE RAW MATERIALS. 405. 406 TEXTILE RAW MATERIALS. superimposed coils from sticking together, and also greatlyfacilitates subsequent unwinding. Fig. 253 shows a vertical longitudinal section of a com-bined breaker and finisher worsted card. The wool passesfrom the lattice creeper, a, through the feed rollers, b, c (d isa cleaning roller) to the burr roller, c, from the surface of whichthe burrs are removed by the fast beater roller, g, and forcedinto the burr box, /. The first stripper, W^ delivers the woolto the breaker cylinder, T, which is fitted with the workersand strippers, A^ Wj . . A3, W .^. The doffer, U, transfers the wool to the second cylinder,To, which carries four sets of work
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttextile, bookyear1901
