What is sprue?

  • (noun): A chronic disorder that occurs in tropical and nontropical forms and in both children and adults; nutrients are not absorbed; symptoms include foul-smelling diarrhea and emaciation.
    Synonyms: tropical sprue

Some articles on sprue, sprues:

Sprue (manufacturing) - Casting - Function
... Sprues can serve as filters, heat sinks, and as feeders ... particular has a high shrinkage rate as it is cooling a sprue can continue to provide molten metal to the casting, provided it is large enough to retain its heat and stay liquid, as metal in the ... The design of the sprue and runner system can be also utilized to trap unwanted dross and sand from continuing into the main cavity this may include adding porous material to the runners ...
Foundryman - Process - Degating
... metal types, and with some gating system designs, the sprue, runners and gates can be removed by breaking them away from the casting with a sledge hammer or specially designed knockout machinery ... a mold yields leftover metal, including heads, risers and sprue, sometimes collectively called sprue, that can exceed 50% of the metal required to pour a full mold ... schemes, to minimize the cost of excess sprue, and thus melting costs ...
Coeliac Disease
... disease in North America and often celiac sprue) is an autoimmune disorder of the small intestine that occurs in genetically predisposed people of all ages from middle infancy onward ... disease (with œ ligature), c(o)eliac sprue, non-tropical sprue, endemic sprue, gluten enteropathy or gluten-sensitive enteropathy, and gluten intolerance ...
Sprue (manufacturing) - Casting
... In casting, a sprue is the passage through which a molten material is introduced into a mold, and the term also refers to the excess material which solidifies in the ... In sand casting, the sprue is formed by a dowel which is removed from the sand to make the hole into which the metal is poured ...
Sprue (manufacturing) - Injection Molding - Gates and Runners
... make a distinction between three separate entities the gate, the runner, and the sprue ... The sprues are large-diameter channels through which plastic flows, usually around the edges of the part or along straight lines ... in this naming scheme, the runner represents only the smaller channels that divert from the sprue to the individual part ...