Cyclopedia of textile work : a general reference library on cotton, woollen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects (1907)
Chicago : American school of correspondence · leaf 209
AND WORSTED SPINNING 163 their use, but onfortuntaely they soon wear out. This is due to tworeasons: first, to the severe bending strain to which they are subjectedevery time they pass through the drawing off rolls; and second, to thewear caused by the action of drawing the fibers through the pins… … Fig. 108. Drawing-off Rolls. effect traverse motions are used, which increase the wearing surfaceof the apron. This motion is driven from a shaft above the bed-plate and carries cams which raise and lower the aprons as the shaftrevolves. The illustration shown in Fig. 108 shows a pair of drawingoff…
Textile industry · Textile fabrics
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