Download Knitting Technology by David J. Spencer (Auth.) PDF

By David J. Spencer (Auth.)

ISBN-10: 0080247636

ISBN-13: 9780080247632

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11 New loop Face loop stitch and notation Old loop New loop Reverse loop stitch and notation Fig. 8. 12 This is the opposite side of the stitch to the face loop-side and shows the new loop meshing away from the viewer as it passes under the head of the old loop. Reverse stitches show the sinker loops in weft knitting and the underlaps in warp knitting most prominently on the surface. The reverse loop-side is the nearest to the head of the needle because the needle draws the new loops downwards through the old loops (cf.

In the warp knitting cycle it is always understood that the overlap precedes the underlap. 4 The Overlap The overlap (Fig. 3) is a shog usually across one needle hook by a warp guide which forms the warp yarn into the head of the loop. The swinging movement of the guide to the hook side and the return swing after the overlap produce the two side limbs of the loop which has a very similar appearance on the face side of the fabric to a needle loop produced by weft knitting. Only exceptionally rarely are overlaps taken across two needles as this produces severe tension on the warp yarn and the knitting elements because the needles knock-over in unison.

2 "" 5 In warp knitting, laying-in is achieved, even on single needle bar machines, by omitting the overlap movement and merely underlapping on the inlay guide bar. Provided the inlay guide bar is always BEHIND a guide bar which is knitting normally with overlaps, the front guide bar overlaps and underlaps will trap the inlay underlaps into the technical back of the structure. (Fig. 1). In weft knitting on machines with a single needle bed it is not possible to lay-in a yarn by merely traversing a yarn carrier across the backs of the needles because the yarn will not be trapped by the sinker loops of the knitted loops, the inlaid yarn must occasionally pass across the hooks of the needles to form a tuck stitch and thus hold itself into the structure (Fig.

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