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' United States 'Atent -Office ' UNITED STATES ‘ATENT -OFFICE,, PETER LUDWVIG KLEIN, OF DUSSELDORF, PRUSSIA, GERMANY. METHOD OF PREPARING‘ WOOL FOR SPINNING. SQ’ECTFECATION forming part of Letters Patent; No. 357,486, dated February 8, 1887. Application filed January 30, 1886. Serial No. 190,367. (No specimens.) Patented in France December 8, 1884, No. 163,461; in Bc'gium November 30, 1885. No. 70,800, and in England June 18, 1886, No.1,584. T0 aZZ whom, it may concern. ' each drawing-frame areunited by fours, threes, Be it known that I, PETER Lnnwrc KLEIN, and gradually by twos, and thinned out on the of Dusseldorf, in the Kingdom of Prussia and next following one, until they reach the ?n‘ ,Empire of Germany, have invented a new and isher and ?ne ?nisher, on both of which only Improved Method of Preparing Wool for two slivers are united and drawn out into one, Spinning; and'I do hereby declare that the the ?ne ?nisher delivering the roving yarn following is a full, clear, and exact description ready for the spinning-machine. The entire of the invention, which will enable others operation is a very tedious and expensive one, skilled in the art to which it apperiains to each frame having to be attended by at least '10 use the same. one person, and it requires considerable time 60 The manufacture of combed wool yarns con to pass a given quantity of material through sists of three distinct and‘ separate operations. all of these frames. _ ' The ?rst consists of carding ‘and combing the By my improved method the operation "of wool on the carding-engine and combing-ma preparation is greatly simpli?ed, the time re chine, on which the burrs are removed, the quired for the same greatly reduced-—-to about wool equalized and combed, and the combed one-half~and its expense lessened in about the wool formed into a sliver. The second oper same’proportion. - ation—-called the “preparation”-—is that of For all the drawing-frames mentioned above thinning out and parallelizing this sliver and as being now used-with the exception of the preparing it for the spinning-machine by form ?nisher and ?ne ?nisher, which I retain-—-I sub‘ 70 ing it into roving yarn, which is then passed stitute two carding-engines, the ?rst of which onto the third operation of spinning on the I call the “ preparing-card,” while I term the ‘ spinning-machine. second the “ thinning-card,” \Vhile, in the My invention relates to the second opera method as now used, the material coming from . 25 tion, called the ‘,‘ preparation,” being thetreat» the combing-machine has to be formed into a 75 ment of the combed wool coming from the sliver by the latter or by a gill-box, in order combing-machine until it is formed into rov to be passed through the drawing-frames, I ing yarn ready for the spinning-machine; and bring the combed wool either in shape of loose it consists in substituting carding-engines for ?akes or of slivers or pieces of slivers onto 1 a certain number of the ‘drawing-frames now the feed-table of the preparing-card, which is used in this operation of preparation,whereby arranged to equalize and parallelize the combed not onlya great saving in the machinery nec wool ?bers, the material leaving the delivery essary for this operation is effected, but also end of the preparing-card in the shape of a its cost materially reduced. , sliver, which, being brought to the thinning 35 As 110w practiced, the operation of prepa card, is, while passing through the same and .85 ' ration is as follows: The combed wool coming being further equalized and parallelized, from the combing-machine is passed through‘ thinned out to such a degree that the quantity a number of drawing- frames varying from of material delivered by this thinning-card, seven to thirteen, according to the material which is wound upon bobbins and then passed ' used, the two last of these frames being called to the ?nisher, is exactly equal to that which ; the “?nisher” and the “fine ?nisher,” re in the old method passed through the entire spectively The combed wool coming from train of gill-boxes and drawing-frames previ the combing-machine is passed through agili ous to reaching the ?nisher. box and formed .into slivers, which are then In the old method the bobbins prepared on 45 passed to the ?rst drawing-frame, on which one gill-box or drawing-frame have to be ar- 9 three or four slivers are united and thinned ranged on the next frame, and the latter out into a single one. Of’ these latter, three stopped meanwhile, as also when one bobbin, or four are again united on the second draw having run off, has to be replaced by a fresh ing-frame and thinned out into a single one, one, which causes a great loss of time. In my 50 and in this way the single slivers coming from improved method any given quantity of combed Iuu 19 357,486 wool can be run through the two cards which What I claim as new, and desire to secure I employ, in a continuous operation, deliver by Letters Patent, 1's—— _ 25 ing the bobbins to the ?nisher in about one 1. The improved method, substantially as half the time required therefor in the old herein described, for the preparation of wool, method, while also only one hand is required which'consists in carding and combing it, for attending the two carding-engines, thereby again subjecting the wool thus carded and saving greatly in actual wages. combed to the action of a carding-engine, and There is no novelty in the construction of then drawing it, as and for the purpose set either the preparing or the thinning card,both forth. IO being carding-engines of well~known construc 2. The method, substantially as herein de tion 5 butnever heretofore have carding-engines scribed, for the preparation of wool, which been employed in the preparation of combed consists in ?rst carding it, then combing it, 35 wool for use in fine spinning, whereby roving then again subjecting it to the action of card yarn for the spinning-frame is produced from ing-engines, and then subjecting it to the ac d combed wool coming from the combing-ma tion of the ?nishing and ?ne-?nishing draw chine. I do not therefore claim any novelty in iug'fraines, as set forth. the construction of the carding‘eugines which I employ in the operation of preparation; but PETER LU DVVIG KLEIN. neither do I con?ne myself to the number of them, as I may, according to the material, ?nd \Vitnesses: one oi'them sufficient for my purpose; or I may ALEXR. A. O. KLAUCKE, employ more than two, a saving of time and act P. H. MULLER. - ual expense resulting in any case; but .
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