Braid: Difference between revisions

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[[Image:Braid final rot.jpg|thumb|A braid]]
A '''braid''' refers to a rope created by inter[[weaving]] or twining three or more separate [[strand]]s of one or more materials in a diagonally overlapping pattern. Braids are commonly involved in [[rope]] making. Simple braids with more than three strands can be flat or [[tube|tubular]] and generally contain an odd number of strands. Complex braids have been used to create hanging fiber artworks. A braid is similar to a '''plait''', which covers any type of knot forming a repeated pattern.
[[Image:Braid StepBystep.jpg|thumb|Step by step creation of a basic braid using three strings]]
 
A '''braid''' refers to any object created by inter[[weaving]] or twining three or more separate [[strand]]s of one or more materials in a diagonally overlapping pattern. Braids are commonly involved in [[hairstyling]] and [[rope]] making. Simple braids with more than three strands can be flat or [[tube|tubular]] and generally contain an odd number of strands. Complex braids have been used to create hanging fiber artworks. A braid is similar to a '''plait''', which covers any type of knot forming a repeated pattern.
 
==Ropes and cables==
[[Image:RG-59.jpg|thumb|[[Coaxial cable]] with braided [[copper]] wire screen (B)]]


Braiding of fiber [[yarn]] creates a strand or [[rope]] that is thicker and stronger than the strands would have been separately.  Braided ropes are preferred by [[arborist]]s and [[rock climbing|rock climber]]s because they do not twist under load, as does an ordinary  twisted-strand rope. These ropes consist of one or more [[concentric]] tubular braided jackets surrounding a single untwisted yarn of straight fibers.
Braiding of fiber [[yarn]] creates a strand or [[rope]] that is thicker and stronger than the strands would have been separately.  Braided ropes are preferred by [[arborist]]s and [[rock climbing|rock climber]]s because they do not twist under load, as does an ordinary  twisted-strand rope. These ropes consist of one or more [[concentric]] tubular braided jackets surrounding a single untwisted yarn of straight fibers.


In [[fiber optics]] and electrical and electronic [[cable]]s, ''braid'' is a tubular sheath made of braided strands of metal placed around a central cable for mechanical protection or grounding purposes. Such braids are also used after flattening for bonding large components together. The numerous smaller wires comprising the braid are much more resistant to cracking under repeated motion and vibration than is a cable of larger wires.
[[Category:Arts and craft activities]]
 
Similar braiding is used on pressurised [[rubber]] [[hose]]s, e.g. in [[plumbing]] and [[hydraulic]] [[brake]] systems in [[automobiles]]. Braiding is also used for fibres for composite reinforcements.
 
==Other braids==
 
'''Gold braid''' and '''silver braid''' are components or trims of many kinds of [[formal dress]], including [[military uniform]] (in [[epaulette]]s, [[aiguillette]]s, on headgear).
 
==Metaphors==
[[Image:Braided_Stream_FairbanksTananaRiver.jpg|250px|right|thumb|Braided streams of the [[Tanana River]]]]
Braids are often used figuratively to represent interweaving or combination, such as in "He braided many different ideas into a new whole."
 
Braiding happens when a river is carrying vast amounts of eroded sediment. Sediment is deposited as islands in the channel, causing the river to split up into many winding channels.
 
In some river and stream systems, small streams join together and redivide in many places. Such stream systems are said to be [[Braided river|braided]]. These are often found in [[alluvial fan]]s at the outlet of [[canyon]]s. This is a result of heavy [[sediment]] deposition at high flows followed by re-erosion at low flows. See also [[river delta]].
 
In mathematics, [[braid theory]] is a special field of [[knot theory]].
 
==See also==
*[[French braid]]
 
{{Hairstyles}}
 
[[ja:組み紐]]
[[pl:Warkocz (fryzura)]]
[[Category:Braids| ]]
[[Category:Ropework]]
[[Category:Ropework]]
[[Category:Knot types]]
[[Category:Knot types]]

Revision as of 12:09, 14 December 2009

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A braid refers to a rope created by interweaving or twining three or more separate strands of one or more materials in a diagonally overlapping pattern. Braids are commonly involved in rope making. Simple braids with more than three strands can be flat or tubular and generally contain an odd number of strands. Complex braids have been used to create hanging fiber artworks. A braid is similar to a plait, which covers any type of knot forming a repeated pattern.

Braiding of fiber yarn creates a strand or rope that is thicker and stronger than the strands would have been separately. Braided ropes are preferred by arborists and rock climbers because they do not twist under load, as does an ordinary twisted-strand rope. These ropes consist of one or more concentric tubular braided jackets surrounding a single untwisted yarn of straight fibers.

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