Textile Manufacturing Volume 3

Textile Manufacturing Volume 3

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 edition. Excerpt: ...than that of rolls on fine work, it is evident that the thicker skin and the heavier cloth should beused on rolls for coarse work. 12. Selection of Skins.--The skin from which the largest number of roll coverings can be obtained is the most economical to use, and the number of coverings that can be obtained from a skin should be estimated when purchasing. A cot is the piece of leather intended to cover one boss of a roll, cut to a rectangular shape with two of its edges afterwards joined together so that the leather will form a tube. The skin should be purchased by the minimum measurement; that is, it should be measured at its shortest parts. The diagram shown in Fig. 5 will serve to illustrate this point. A parallelogram aaaa, which indicates the area of the number of leather tubes, or cots, that may be cut, is placed on the skin and, if the skin is shorter than the distance bb or narrower than the distance cc, the skin is below the minimum measurement. The neck should not be measured, as it is not suitable for roll covering. The shape of the skin shown in Fig. 5 is the best for roll skins. If there are any defects, such as knife cuts, or any evidence of overshaving on the flesh side, the skin is not of the first quality and can only be used on coarse work. Another serious defect is the presence of fine hairs, and if such are detected the skin should be condemned. A hard-grained skin, in which the firmness is introduced by the method of finishing the skin, will not act successfully as a cushion. The grain side of the skin should feel smooth and firm, yet be pliable and capable of expansion and compression, while the flesh side should have a nap as fine as cloth. The effect of handling the whole skin should be the same as handling a kid...
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Product details

  • Paperback | 114 pages
  • 189 x 246 x 6mm | 218g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236738543
  • 9781236738547