Listing

1. An undesirable uneven dyeing effect consisting of a variation in colour between selvedges and the centre of a dyed fabric, often caused in jig dyeing through difference of temperature between the selvedges and the centre of the batclied-up fabric on the jig roller, or by uneven hatchingup of the cloth on the rollers.
2. See selvedge, woven.

Lively yarn

Yarn that shows an excessive tendency to twist round itself if held with insufficient tension. (See also twist liveliness.)

Living Ring

See REVOLVING SPINNING RING.

Load at specified elongation

The force required to produce a specified percentage elongation.

Load-Deformation Curve

A graphical representation of the relationship between the change in dimension (in the direction of the applied force) of the specimen resulting from the application of an external load and the magnitude of that load. The load may be expressed in units of weight (such as pounds or kilograms) and the deformation in either units of length (such as inches or millimeters) in tension or compression tests or degrees in shear tests. In a tension test a load-deformation curve becomes a load-elongation curve. © 2001 Celanese Acetate LLC

Load-Elongation Curve

See STRESS-STRAIN CURVE.

Loading

Increasing the weight of fabrics by the addition of deliqueseent salts, starch, China clay, etc.
Note: This term is not restricted to anyone class of textile fabric but is used loosely in connection with the finishing of wool, cellulosic, or silk goods. (See also filling I.)

Locker bar (lace machines)

A bar running the net-making width of the double locker bobbinet machine, to which are attached two blades. There are two locker bars, one each side of the well of the machine, under the combs. The rocking action of these bars causes the blades to engage with the tails of the carriages and, with the driving bars, controls the motion of the carriages through the combs and the well.

Locking course (knitting)

A sequence of knitting performed in various ways on rib or purl machines before the stitches are cast off from one bank of needles at the end of a garment or garment part. Locking courses are designed to prevent the dropped stitches from running back through the previous garment.

Locknit (warp knitting)

A fabric made on a warp-knitting machine with one needle bar and two full-set guide bars which make closed lap movements in opposition to each other. The front guide bar makes a two needle underlap and the back guide bar makes a single needle underlap. The guide bar lapping movements are:Front guide bar: 2-3, 1 -0, and repeat. Back guide bar: 1-0, 1-2, and repeat.

Locks

A term used in wool-sorting for short oddments of wool which fall from the skirting tables or are swept up from the boards. In some countries it can include soiled tufts and pieces from near the rumps of sheep.

Loden

Coarse woollen milled water-repellent fabric used for jackets, coats, and capes.

Loft

The properties of firmness resilience and bulk of a fiber batting yarn fabric or other textile material.

Lofty

A term applied to an assemblage of fibres to denote a relatively high degree of openness and resilience, or a large volume for a given mass.

LOI

The minimum concentration of oxygen in a mixture of oxygen and nitrogen that will just support combustion of a material under specified test conditions.