Textile Dictionary

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A warp-knitting measure consisting of 480 courses. Tricot fabric quality is judged by the number of inches per rack

A knitting stitch that produces a herringbone effect with a ribbed back. It is employed in sweaters for decorative purposes or to form the edge of garments. The racked stitch is a variation of the half-cardigan stitch; it is created when one set of needles is displaced in relation to the other set.

A term referring to the side-to-side movement of the needles of the needle bed of a knitting machine. Racking results in inclined stitches and reduced elasticity

See FLAMMABILITY TESTS

Use of radio-frequency electromagnetic radiation for drying textiles. The application of RF to wet goods results in the selective heating of the water, which has a partial polarity, because the molecule must do work to align in the RF field causing heat generation within the water droplets. Non-polar materials, i.e., fabrics, are unaffected. RF drying in very uniform and energy efficient when airflow patterns through the dryer are properly designed and controlled.

The metal bars on which the spindles of a downtwister are mounted

See NAPPING

A bast fiber similar to flax obtained from the stalk of a plant grown in China, the U.S., and Japan.

A pile carpet with a textured face produced by shearing some of the loops and leaving others intact

Looms in which either a double or single rapier (thin metallic shaft with a yarn gripping device) carries the filament through the shed. In a single rapier machine, the yarn is carried completely across the fabric by the rapier. In the double machine, the yarn is passed from one rapier to the other in the middle of the shed. (Also see WEFT INSERTION.)

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