摘要:
In a double-gripper weaving machine, intended for weaving plain velvet and carpets, a pile feeder and a combined pile warp beam let-off motion are equipped with a computer in order to calculate the necessary pile warp feed of each operating cycle of the weaving machine and use said calculation as a reference value, both functions pile feeder and pile warp beam let-off motion, being performed directly. The pile warp beam let-off motion has a regulating system consisting of a multi-axis control system provided for one or more pile warp beams.
摘要:
A device is provided for separating and tensioning warp threads in a face-to-face weaving machine of the type used for weaving at least a first fabric and a second fabric that are linked to each other, the first fabric including at least a plurality of first binding warp threads and first tension warp threads and the second fabric including at least a plurality of second binding warp threads and second tension warp threads. The device comprises a first set of rollers for separating the first binding warp threads from the first tension warp threads, a second set of rollers for causing the separated first binding warp threads to cross each other between the rollers in the second set, a third set of rollers, structurally similar to the first set, for separating the second binding warp threads from the second tension warp threads, and a fourth set of rollers, structurally similar to the second set, for causing the separated second binding warp threads to cross each other between the rollers in the fourth set. The first binding warp threads in the first fabric attain substantially the same tension as the second binding warp threads in the second fabric.
摘要:
A process by which rugs and other pile fabrics can be woven to incorporate large uninterupted areas of a single color without a streaking appearance. As a fabric is being woven and a yarn end is woven into the face of a fabric, before the distance of the yarn end on the face of the fabric reaches a significant length, the yarn end is pulled from the face of the rug to float on the back of the rug as the weaving process continues. Meanwhile another end of identical color takes the place of the floating yarn end, and is woven into the face of the rug along the same longitudinal row, also for no more than a significant length. By this technique an off-color yarn will not travel far enough in a continuous line to manifest itself to the human eye as a streak. By pulling the same color yarn from two creel positions in every longitudinal row of a single colored area, and alternating between the two positions in every longitudinal row streaks do no appear in any part of the rug.
摘要:
An improved apparatus for manufacturing a double connecting fabric having an upper ground construction, a lower ground construction, and pile yarns connecting both ground constructions by withdrawing the double connecting fabric by a plurality of spiked rollers arranged at positions downstream of a reed of a double velvet loom and contacting the upper ground construction and the lower ground construction.