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Shuttle |
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shuttle: see loom loom, frame or machine used for weaving; there is evidence that the loom has been in use since 4400 B.C.
Modern looms are of two types, those with a shuttle (the part that carries the weft through the shed) and those without; the latter draw the weft from a ..... Click the link for more information. . shuttleIn the weaving of cloth, a spindle-shaped device used to carry the crosswise threads (weft) through the lengthwise threads (warp). Not all modern looms use a shuttle; shuttleless looms draw the weft from a nonmoving supply. Shuttle looms fall into two groups according to whether the shuttle is moved by hand or automatically. The second kind is often described as an automatic loom, but except for shuttle movement it is no more automatic in its operation than the hand-moved or so-called nonautomatic loom. See also flying shuttle. shuttle 1. a bobbin-like device used in weaving for passing the weft thread between the warp threads 2. a. a bus, train, aircraft, etc., that plies between two points, esp one that offers a frequent service over a short route b. short for space shuttle 3. a. the movement between various countries of a diplomat in order to negotiate with rulers who refuse to meet each other b. (as modifier): shuttle diplomacy 4. Badminton short for shuttlecock shuttle [′shəd·əl] (mechanical engineering) A back-and-forth motion of a machine which continues to face in one direction. (nucleonics) (textiles) A device on a loom that moves filling yarns between the warp yarns during weaving. Shuttle (1) In weaving, the working element of a loom that interlaces the weft yarns with the warp yarns to weave cloth. It is a streamlined body with a cavity, in which a bobbin for the weft is located. Shuttles may be made of hard wood (hornbeam, boxwood, and acacia), compressed wood, or plastic. In order to increase the durability and smoothness of the external walls, shuttles may be covered with vulcanized fiber 2 mm thick. The ends are clad with steel tips. The design of a shuttle depends on the design and purpose of the loom, the weight-to-length ratio of the weft yarn, and the size of the weft yarn package. (2) In sewing, the working element of a lockstitch sewing machine, which inserts the bottom thread into the stitch. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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