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pliers
plier (n.)
1.someone who plies a trade
pliers (n.)
1.any of various devices for taking hold of objects; usually have two hinged legs with handles above and pointed hooks below
2.a gripping hand tool with two hinged arms and (usually) serrated jaws
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Merriam Webster
PliersPli"ers (?), n. pl. [From Ply to bend, fold.] A kind of small pinchers with long jaws, -- used for bending or cutting metal rods or wire, for handling small objects such as the parts of a watch, etc.
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⇨ definition of Wikipedia
plier (n.)
pliers (n.)
pair of pliers, pair of tongs, pincers, plyers, tongs, peg (British)
See also
⇨ adjustable-joint pliers • combination slip joint pliers • lock-grip pliers • locking pliers • needlenose pliers • pair of pliers • pump-type pliers • punch pliers • rib joint pliers • slip joint pliers • slip-joint pliers • wire stripping pliers
⇨ Breaker-grozier pliers • Chaka Demus and Pliers • Crimping pliers • Diagonal pliers • Don't Crush That Dwarf, Hand Me the Pliers • Lineman's pliers • Locking pliers • Needle-nose pliers • Operation Pliers • Pliers (singer) • Slip joint pliers • The Pair of Pliers
plier (n.)
worker, workman[Hyper.]
pliers (n.)
outil du forgeron (fr)[ClasseParExt.]
appareil chirurgical (fr)[ClasseParExt.]
outil de la dentelle (fr)[Classe]
pliers; pincers; peg; tongs; pair of tongs[ClasseHyper.]
pliers (n.)
compound lever - hand tool[Hyper.]
plural, plural form[Domaine]
Wikipedia - see also
Wikipedia
This article needs additional citations for verification. (April 2009) |
Pliers are a hand tool used to hold objects firmly, for bending, or physical compression. Generally, pliers consist of a pair of metal first-class levers joined at a fulcrum positioned closer to one end of the levers, creating short jaws on one side of the fulcrum, and longer handles on the other side. This arrangement creates a mechanical advantage, allowing the force of the hand's grip to be amplified and focused on an object with precision. The jaws can also be used to manipulate objects too small or unwieldy to be manipulated with the fingers.
There are many kinds of pliers made for various general and specific purposes.
Contents |
As pliers in the general sense are an ancient and simple invention, no single point in history, or inventor, can be credited. Early metal working processes from several millennia BCE would have required plier-like devices to handle hot materials in the process of smithing or casting. Development from wooden to bronze pliers would have probably happened sometime prior to 3000 BCE.[1] Among the oldest illustrations of pliers are those showing the Greek god Hephaestus in his forge. Today, pliers intended principally to be used for safely handling hot objects are usually called tongs. The number of different designs of pliers grew with the invention of the different objects which they were used to handle: horseshoes, fasteners, wire, pipes, electrical, and electronic components.
The basic design of pliers has changed little since their origins, with the pair of handles, the pivot (often formed by a rivet), and the head section with the gripping jaws or cutting edges forming the three elements. In distinction to a pair of scissors or shears, the plier's jaws always meet each other at one pivot angle.
The materials used to make pliers consist mainly of steel alloys with additives such as vanadium or chromium, to improve strength and prevent corrosion. Often, pliers have insulated grips to ensure better handling and prevent electrical conductivity. In some lines of fine work (such as jewellery or musical instrument repair), some specialized pliers feature a layer of comparatively soft metal (such as brass) over the two plates of the head of the pliers to reduce pressure placed on some fine tools or materials. Making entire pliers out of softer metals would be impractical, reducing the force required to bend or break them.
Much research has been undertaken to improve the design of pliers, to make them easier to use in often difficult circumstances (such as restricted spaces). The handles can be bent, for example, so that the load applied by the hand is aligned with the arm, rather than at an angle, so reducing muscle fatigue. It is especially important for factory workers who use pliers continuously, and prevents carpal tunnel syndrome.
Diagonal pliers or side cutters
Lineman's pliers or combination pliers
Electrical wire stripping and terminal crimping pliers
Heavy duty crimping pliers with interchangeable RJ heads
Plier for installing and removing retaining rings
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Look up pliers in Wiktionary, the free dictionary. |
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