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Basic pattern of warp knitting. Parallel yarns zigzag lengthwise along the fabric, each loop securing a loop of an adjacent strand from the previous row. Warp knitting is defined as a loop-forming process in which the yarn is fed into the knitting zone, parallel to the fabric selvage. It forms vertical loops in one course and then moves ...
The sizing machine improved the process by sizing a warp before putting it into the loom. The warp threads are first wound onto a large beam, which is then placed at one end of the sizing machine. Then the warp is drawn off the beam and passes through a bath of boiling size, between sets of rollers and cooled, dried and rewound onto another beam.
By contrast, in warp knitting, one yarn is required for every wale. [5] Since a typical piece of knitted fabric may have hundreds of wales, warp knitting is typically done by machine, whereas weft knitting is done by both hand and machine. [6] Warp-knitted fabrics such as tricot and milanese are resistant to runs, and are commonly used in ...
A modern industrial knitting machine in action industrial circular knitting fabric machines. A knitting machine is a device used to create knitted fabrics in a semi or fully automated fashion. There are numerous types of knitting machines, ranging from simple spool or board templates with no moving parts to highly complex mechanisms controlled ...
In 1855, Redgate in Leicester combined a circular loom RIB 1x1 point for ourelar with a warp knitting machine, resulting in a loom with two rows of needles arranged at right angle allowing to produce warp knitting one or both sides. At this point, the rage of Paris was inspired by the famous actress comedy costumes française, Elisbeth Rachel ...
The machines can produce a variety of topologies that were more difficult or impossible to create with knitting machines before, including: connected tubes, circles, open cuboids, and even spheres (for helmet shells and other preforms). Complete garment knitting requires two needle beds for three-dimensional structures (such as clothing).
The word dobby is a corruption of "draw boy," which refers to the weaver's helpers who used to control the warp thread by pulling on draw threads. A dobby loom is an alternative to a treadle loom. Both are floor looms in which every warp thread on the loom is attached to a single shaft using a device called a heddle. A shaft is sometimes known ...
A Ruti Rapier Loom at The Silk Museum, with a Jacquard machine above it. A rapier loom is a shuttleless weaving loom in which the filling yarn is carried through the shed of warp yarns to the other side of the loom by finger-like carriers called rapiers. [1] A stationary package of yarn is used to supply the weft yarns in the rapier machine ...