Ferrule

	Email		Print
	Bookmark		Link

Ferrule

A ferrule (a corruption of Latin

Latin

Latin is an Italic language, historically spoken in Latium and Ancient Rome. Through the Military history of the Roman Empire, Latin spread throughout the Mediterranean and a large part of Europe....
viriola "small bracelet," under the influence of ferrum "iron.") is a name for types of metal objects, generally used for fastening, joining, or reinforcement. They are often narrow circular rings of metal, or less commonly, plastic.

Most ferrules consist of a circular clamp

Clamp (tool)

A clamp is a fastener to hold or secure objects tightly together to prevent movement or separation through the application of inward pressure. In the United Kingdom and Australia, the term clamp is often used instead when the tool is for temporary use for positioning components during construction and woodworking; thus a C clamp or a sa...
used to hold together and attach fiber

Fiber

Fiber or fibre is a class of materials that are continuous filaments or are in discrete elongated pieces, similar to lengths of yarn. They are very important in the biology of both plants and animals, for holding tissue s together....
s, wire

Wire

A wire is a single, usually cylinder , elongated string of metal. Wires are used to bear mechanical Structural loads and to carry electricity and telecommunications Wiktionary:signal....
s or posts, generally by crimping, swaging, or otherwise deforming the ferrule to permanently tighten it onto the parts that it holds.

Examples of such ferrules:

Discussion

Ask a question about 'Ferrule'

Start a new discussion about 'Ferrule'

Answer questions from other users

Full Discussion Forum

Encyclopedia

A ferrule (a corruption of Latin

Latin

Clamp (tool)

Fiber

Wire

On a two-piece kayak paddle, the part that connects the two ends together.
In a brush
Brush

The term brush refers to devices with bristles, wire or other filaments, used for cleaning, Personal grooming hair, cosmetics making painting, deburring and other kinds of surface finishing, and for many other purposes....
the ferrule binds the bristles or hair to the handle.
On an ice axe
Ice axe

An ice axe is a multi-purpose ice and snow tool employed by mountaineering both ascending and descending routes involving frozen conditions....
, the metal spike at the end of the shaft
The metal ring which is crimped to hold the eraser
Eraser

An eraser or rubber is an article of stationery that is used for removing pencil and sometimes pen writings. Erasers have a rubbery consistency and are often white, brown or pink, although modern materials allow them to be made in any color....
in place on pencil
Pencil

A pencil is a writing or drawing instrument consisting of a thin stick of pigment and clay, usually encased in a thin wood cylinder, though paper and plastic sheaths are also used....
s with an attached eraser
The metal ring which holds a chisel
Chisel

A chisel is a tool with a characteristically shaped cutting edge of blade on its end, for carving or cutting a hard material such as wood, Rock , or Metalworking....
blade's tang
Tang (weaponry)

The tang of a sword or fixed-blade knife is that part of the blade extending into and usually through the Hilt#grip that is fastened to it.A full tang means that the grip conforms to the shape and follows the outline of the tang, which is a solid piece of metal ....
to the handle
In fiber optic terminations, glass or plastic fibers are bonded to precision ferrules and polished for splitting or connecting two fibers together
In restorative dentistry, margin of a cast crown that stabilizes root-canal treated teeth
In golf, a plastic sleeve that adorns the bottom of most steel and graphite shafts just above the club head hosel. Originally designed to protect the shaft from damaging vibrations, it is now used mainly for aesthetic purposes
In musical instruments, a metal band used to prevent the ends of wooden instruments from splitting. Also the semi-circular metal band that holds the fibers in place on the frog
Frog

Frogs are amphibians in the order Anura , formerly referred to as Salientia . The name frog derives from Old English language frogga, , cognate with Sanskrit plava , probably deriving from Proto-Indo-European language praw = "to jump"....
s of bows
Bow (music)

In music, a bow is moved across some part of a musical instrument, causing vibration which the instrument emits as sound. The vast majority of bows are used with string instruments, although some bows are used with musical saws and other bowed idiophones....
for violin family
Violin family

The Violin family of musical instruments was developed in Italy in the sixteenth century. The modern violin family consists of the violin, viola and cello, along with the double bass....
instruments.
Compression fitting
Compression fitting

Physical compression fittings are used in plumbing and electrical conduit systems to join two tubing or thin-walled pipe together. In instances where two pipes made of dissimilar materials are to be joined , the fittings will also be made of one or more compatible materials appropriate for the connection....
s for attaching tubing (piping) commonly have ferrules in them.
A swaged termination
Wire rope

Wire rope consists of several strands laid together like a helix. Each strand is likewise made of metal wires laid together like a helix. Initially wrought iron wires were used, but today steel is the main material used for wire ropes....
type for wire rope
Cap at the end of a cane or umbrella.
In pool, billiards and snooker, the portion of a cue
Cue stick

A cue stick , is an item of sporting equipment essential to the games of Pocket billiards, snooker and carom billiards. It is used to strike a Billiard ball, usually the ....
that tops the and to which the is bonded; historically made of ivory
Ivory

File:Ivory decoration.jpgIvory is formed from dentine and constitutes the bulk of the teeth and tusks of animals such as the elephant, hippopotamus, walrus, mammoth and narwhal....
, now typically made of fiberglass
Fiberglass

Fiberglass, , is material made from extremely fine fibers of glass. It is used as a reinforcing agent for many polymer products; the resulting composite material, properly known as fiber-reinforced polymer or glass-reinforced plastic , is called "fiberglass" in popular usage....
, phenolic resin
Phenolic resin

Phenolic resin can include any of various synthetic thermosetting resins such as Bakelite, obtained by the reaction of phenols with simple aldehydes and used to make molded products, including billiards balls, laboratory countertops, and as coatings and adhesives....
or brass
Brass

Brass is any alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. In comparison, bronze is principally an alloy of copper and tin....
(or weak plastic, in cheaper models).
In fishing, the male and female joints that join one section of a rod to the next is known as the ferrule.
In bicycles, a metal cap at the end of cable housing with a hole for the cable