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What is "Loom" - Definition & Explanation

A machine used for weaving fabrics.
The Loom is a machine used for weaving fabric.
A machine on which the weaving is done. The warp (lengthwise) threads are secured on the loom through the eyes of heddles and attached to the loom beam at the front of the loom. The filling (crosswise) thread darts between the warp threads as they are alternately lifted and lowered. sometimes carried by a shuttle, sometimes propelled by air pressure, or other methods in shuttless looms.

a. The Plain Weave: Consists of one thread over and one thread under. This type is found in sheeting.

b. The Twill Weave: Has each warp thread passing over two or more filling threads, with the interlacing advancing one thread on successive warps. This type, with its "diagonal line", is found in denims.

c. The Satin Weave: Has few interlacings widely but regularly spaced, resulting in a a lustrous "right" side and dull back. This type is found in dress goods.

d. Jacquaid Design: A woven design made with the aid of a jacquard head (this constitutes a jacquard loom) and may vary from simple, self-colored, spot effects to elaborate, multicolored, all over effects.

A machine for producing fabric by weaving.

a) Automatic Loom

A loom on which the shuttles or pirns are changed automatically.

b) Circular Loom

A loom on which the shuttles travel simultaneously on a circular path through a wave shed (q.v.)

c) Shuttle Loom

A loom that uses a shuttle (q.v.) to insert the weft.

d) Shuttleless Loom

A loom in which the weft is drawn from a stationary supply and is inserted by means other than a shuttle.

There are three main types of shuttleless looms:

1. Gripper-Projectile loom in which the weft thread is taken through the shed by a projectile fitted with a jaw that grips the end of the weft thread during insertion of the pick.

2. Jet Loom in which the weft thread is taken through the shed by a jet of liquid or air.

NOTE:

Because of the nature of these weft insertion methods, the weft yarn in the fabric is in lengths of one or two picks.Consequently, means are usually provided for forming acceptable edges.

3. Rapier Loom in which the means for carrying the weft thread through the shed is fixed in the end of a rigid rod or of a flexible ribbon, that (in both cases) is positively driven. Rapier looms may have a single rapier to carry the weft across the full width, or two rapiers that operate from opposite sides of the loom.

An apparatus or a machine used in weaving.
A loom is a machine or device for weaving thread or yarn into textiles. Looms can range from very small hand-held frames, to large free-standing hand looms, to huge automatic mechanical devices.
A machine for weaving WARP and FILLING YARNS to produce cloth.

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