The colour printing of carpet yarns; a useful manual for colour-chemists and textile printers . SCOURING OF YAENS. 15 Methods of Scouring.—The yarn is usually scoured in batchesof 100 lb. each, each hank being treated individually on theswifts or reels of the scouring machine; or they may bescoured by the chain method. Chain Scouring.—Instead of treating each hank individually,they are linked together by means of pieces of cord, one hankheiiig tied to another in chain fashion. This chain of hanksis then scoured by running continuously through the scouringtrough. What is rather an objection to
The colour printing of carpet yarns; a useful manual for colour-chemists and textile printers . SCOURING OF YAENS. 15 Methods of Scouring.—The yarn is usually scoured in batchesof 100 lb. each, each hank being treated individually on theswifts or reels of the scouring machine; or they may bescoured by the chain method. Chain Scouring.—Instead of treating each hank individually,they are linked together by means of pieces of cord, one hankheiiig tied to another in chain fashion. This chain of hanksis then scoured by running continuously through the scouringtrough. What is rather an objection to this method is that,at those points where the hanks are attached to each otherby the cord, the yarn is apt to become tight and has a tendency to prevent the scouring liquid fromacting so freely at those points of contact as in the body ofthe hank where the yarn is free. The scouring has a chanceof not being so well performed as when each hank is loose-and receives individual treatment. For the finer classes of wools the following proportionsnaay be given for scouring 100
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