Weaving; a practical guide to the mechanical construction, operation, and care of weaving machinery, and all details of the mechanical processes involved in weaving (1909) (14591243900)

Identifier: weavingpractical00amer (find matches)

Title: Weaving; a practical guide to the mechanical construction, operation, and care of weaving machinery, and all details of the mechanical processes involved in weaving

Year: 1909 (1900s)

Authors: American School of Correspondence Nelson, H. William (Hector William), b. 1869

Subjects: Weaving

Publisher: Chicago, American School of Correspondence

Contributing Library: The Library of Congress

Digitizing Sponsor: Sloan Foundation

Text Appearing Before Image:

Fig. 28. (See also Fig. 38.) quicker than with the jacketed vat, thus effecting a considerablesaving; and that the size vat can be more readily cleansed. SeeFig. 28. Immersion Roller. The yarn passes under an immersionroller, which is made of copper and arranged so that it can beraised or lowered, according to the amount of size desired on theyarn. If the roller is low in the vat, thereby having more of itssurface in the size, it will take longer for the yarn to pass throughthe size, and it will absorb more. 42

Text Appearing After Image:

WARP PREPARATION. 35 Squeeze Rolls. The yarn on leaving the size box passesthrough two sets of squeeze rolls. There are some instancesAvhere only one set of rolls is used, but this method does not givegood results, even with fine yarn, while with coarse yarn theresults are very poor. The two lower rolls of each set are copper;the roll on the top of each copper roll is solid iron. The solidrolls should be covered with an especially prepared flannel cloth,which is almost a felt. These coverings should be taken off onceevery week and allowed to soak in water for a day or two, fromSatui-day until Monday morning, for instance. Flannel clothsmake the best coverings, because they allow the yarn to sink intothe cloth to a slight extent, whereas cotton cloths become hardand glazed with the size, and not only tend to flatten the yarn,Joiit cause it to be drawn through the rolls before it is thoroughlysqueezed of unnecessary size. It is beneficial, also, to wash therolls every time the machine i

american school of correspondence weaving book illustrations high resolution images from internet archive library of congress

1909

Library of Congress

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