44 (#85) ############################################## CARDING AND CONDENSING balls, say 48, to obtain the right weight of sliver to feed into the next machine. In both these cases, and in that of the Blamire's feed the second and subsequent machines will have to stand until the necessary number of laps or balls have been produced by the first machines, and the later ma- chines will have to work a considerable time after the first machines have completed their work. The "ball “ and creel" feed, however, possesses certain advantages for making what are known as "random" effects (see p. 87), and in addition is supposed to keep the fibres straight in the sliver and hence from any given material to yield a stronger sliver and thread. This feed will be understood on referring to Fig. 13. (4) The film doffed from the scribbler may be car- ried by means of a "floor" or of an overhead" lattice to a convenient position in proximity to the feed-sheet of the next machine, and by a suitable device laid on this feed-sheet in the required thickness and with the required regularity. In Fig. 14 the action of the . Scotch” feed is shown. It will be noticed that the Scotch feed lays the sliver of material only slightly diagonally upon the feed-sheet. Another suitable type of feeding mechanism-the Apperley lays the sliver much more diagonally upon the feed-sheet. This, of course, necessitates a longer feed-sheet, but turning the fibres in the sliver more to- wards the feed rollers may possibly prevent a certain amount of fibre break at the sacrifice of some of the mixing efficiency of the Scotch feed. The Scotch and the Apperley feeds are continuous, so that the material once automatically fed into the carding set by the hopper feed is not further interfered with until it emerges from the condenser as condensed sliver. In this case as in the previous cases there will be at least one waste thread 66 45
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