. 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. ked and delivered in the form of a longer fleece. Thisis passed to the finisher card, which turns it into a delicatefilm of lap, and this is fed to the lap divider and condenser,which converts it into rove. As already stated, rotary cards alone are used for diffe
. 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. ked and delivered in the form of a longer fleece. Thisis passed to the finisher card, which turns it into a delicatefilm of lap, and this is fed to the lap divider and condenser,which converts it into rove. As already stated, rotary cards alone are used for differ, however, from those employed for cotton, inas-much as they furnish a fleece or lap equal in breadth to themachine, and not a sliver as is the case with cotton cards. The Scribbler. To explain the disposition and working of the variousparts of a scribbling machine, the older form of construction,with five pairs of rollers, as. shown in Fig. 217, will now bereferred to. The wool is weighed out and spread uniformlyby hand on the lattice creeper, a, which conveys it to the feedrollers, b, c, which in turn present it to the burr roller, d. Thisis a quick-running roller covered with coarse clothing andprovided with two sharp-edged burr knives, e, /, which knockoff any solid impurities (such as burrs, fragments of wood,. %D| t u I Z TEXTILE RAW MATERIALS. 343 straw, etc.) adhering to the wool, and thus prevent these fronngetting into and damaging the cyHnder clothing. The cylinder, T, is covered with spirally-wound strips ofordinary card clothing, and in the course of its rapid rotationcarries the wool upwards and presents it to the action of theiirst pair of worker and stripper rollers, A\ W\ Of these theworker, A\ revolves slowly in the direction of the arrow, thestripper, W^, moving at a higher speed in the same are covered with ordinary card clothing (though thestripper may have fine licker-in clothing), and are set so closeto the cylinder as to leave only a slig
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Keywords: ., bookcentury1900, bookdecade1900, booksubjecttextile, bookyear1901
