VI. The Straight-Through Tie-up in Two Sections.
A.—Using machine and comber-board in two equal sections.
Fig. LIV.
This tie-up, [Fig. LIV.], is used on fabrics having two different kinds of warp, which, as a rule, are of different colors. One of these warps is shown working at B in the comber-board, and also at the bottom-board. The other warp employed for the figure effect is shown working at A. Fabrics that are made on this tie-up can also be made on the common straight-through; but the work of designing and card stamping will be largely increased. In the illustration all the figure-threads, and also all the threads used for the weave (binder-threads) can be designed without interruption to each other. The breaking off of the figures is thus avoided, a thing quite impossible where the regular straight-through tie-up is used. The drawing given herewith represents this straight-through tie-up in sections applied to a 200 Jacquard machine. The reserve rows are omitted. The machine and the comber-board, it will be observed, are divided into two even parts. In one part, the rear of A, of the comber-board we thread only in the leashes from needles 1 to 100, and in the other part, front of B, from needles 101 to 200. Hence, the first row of the comber-board contains leashes 1 to 4 and 101 to 104; the second row will contain leashes 5 to 8 and 105 to 108; the third row will contain leashes 9 to 12 and 109 to 112, and so on, each division finishing on the last row (25th) with leashes 97 to 100 and 197 to 200.
The leasing of the threads is always done by alternately threading the harness-cords of section A with section B. Hence, first thread of the warp draws in first mail of leash No. 1; second thread of the warp draws in first mail of leash No. 101; third thread of the warp draws in first mail of leash No. 2; fourth thread of the warp draws in first mail of leash No. 102.
Fig. LV.