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A '''pugmill''' or '''pug mill''' is a machine in which materials are simultaneously ground and mixed with a liquid. Industrial applications are found in [[pottery]], [[brick]]s, [[cement]] and some parts of the [[concrete]] and [[asphalt]] mixing processes.

In [[Ceramic|ceramics]] pug mills, or commonly just "pugs", are not used to grind or mix, rather they extrude clay bodies prior to shaping processes. Some can be fitted with a vacuum system that ensures the extruded clay bodies have no entrapped air. According to the 1913 edition of [[Webster's Dictionary]], a clay pug mill typically consists of an upright shaft armed with projecting knives, which is caused to revolve in a hollow cylinder, tub, or vat, in which the clay body is placed.


==External links==
*[http://www.thepotteries.org/jobs/pug_mill.htm Pug Mill page at potteries.org]


[[Category: Clay Terminology]]
[[Category: Clay Equipment]]


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