. Technology of textile design. Being a practical treatise on the construction and application of weaves for all textile fabrics, with minute reference to the latest inventions for weaving. Containing also an appendix showing the analysis and giving the calculations necessary for the manufacture of the various textile fabrics. 28. 2nd slackener to lower its whip-threads on picks 44, 45, 46—50,51,52—56, 57, 58—62,63,64. In the beginning of our chapter on gauze we gave the princi-ple of a slackener or easer. We would only state now that forevery set of doups which operate the whip-threads at dif
. Technology of textile design. Being a practical treatise on the construction and application of weaves for all textile fabrics, with minute reference to the latest inventions for weaving. Containing also an appendix showing the analysis and giving the calculations necessary for the manufacture of the various textile fabrics. 28. 2nd slackener to lower its whip-threads on picks 44, 45, 46—50,51,52—56, 57, 58—62,63,64. In the beginning of our chapter on gauze we gave the princi-ple of a slackener or easer. We would only state now that forevery set of doups which operate the whip-threads at differentpicks when done on any previous set of doups in the same fabric,we must use a separate slackener; thus in the examples explainedas constructed on two sections, we must use two slackeners. Thismethod of using more than one slackener is increased in practical work, when required, up tothree but seldom to four. Diagrams Figs. 970^ and 970*5 illustrate figured gauze effects as produced by harness work. I-!?? ? B IBGBl IIJBGBi jbgbgbHarness-chain for 14-harness;?72 picks. Fig. 969. 237 Gauze Weaving Mechanism for Open-Shed Looms. Until lately gauze fabrics, as thus far explained, have been produced only upon loomsconstructed after the principle known as the single-acting method, which is characterized by. Fig. 970a. leveling the entire warp at every pick, and at this leveling point cross the warps so as to producethe twist. It will be proper to mention that this single-acting method for operating the warp-threads only allows a moderate speed which at the present time is insufficient for the requirementsof a loom; hence every manufacturer of this class of fabrics has been anxiously awaiting for I I
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