A rivet is a mechanical fastener
consisting of a smooth cylindrical shaft
with heads on either end. The heads are
somewhat larger than the diameter of the
hole into which the rivet has been inserted.
Generally one head is
formed. The other is formed by flattening
out the metal after the rivet has been inserted.
This can either be done by applying force
to both sides of the rivet (as in a solid
rivet), or by pulling a mandrel out of one
side of the rivet causing the other side
to deform (blind rivet).
There are a number
of types of rivets: solid rivets, blind
rivets, multi-grip rivets, grooved type
rivets, Peel Type Blind Rivets, plastic
drive rivets, tubular rivets, etc.
Before welding techniques and bolted
joints were developed, metal framed buildings
and structures such as the Eiffel Tower
and the Sydney Harbour Bridge were generally
held together by riveting. Riveting is still
widely used in applications where light
weight and high strength are critical, such
as in airplanes.
Common but more exotic uses of rivets
are to reinforce
to produce the distinctive sound of a sizzle
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