Method and apparatus for production of bias fabrics

Textiles: manufacturing – Textile product fabrication or treatment – Cross laying by divergent thread conveying members

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Details

112403, 156181, 156440, 156 93, 156177, 66 84A, D04H 300, B32B 526

Patent

active

RE0334189

ABSTRACT:
Non-woven, bias laid fabrics, where the various fabric layers are held together by external means, such as stitching, and wherein, preferably, at least two of the layers are formed at an angle of from 30.degree. to 150.degree. relative to the long axis of the fabric, are formed by directing at least two pluralities of yarns back and forth across the width of the forming fabric, to be wrapped around or mounted on a series of needles formed on a moving conveyor, one conveyor being placed on either side and moving in the direction of the long axis of the fabric. Speed of movement of the yarns can be determined by the speed of movement of the mechanism for the machine operated to hold the various fabric layers together; preferably said machine mechanism moves more slowly near the ends of each cycle, so that yarn carriers are similarly slowed at either end of the forming fabric width, aiding in making successive courses of yarn lie parallel to each other without the necessity for extra equipment. In one embodiment of the invention, the yarn carriers are provided with means to propel them in a direction generally away from the bonding portion of the machine to further assure the parallelism of successive courses of yarn. It is not necessary that the number of needles correspond to the number of yarns.

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"New Fabrics Without Weaving"; pp. 51-53; Modern Textiles Magazine, Nov. 1965.

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