Ladle: Metal receptacle frequently lined with refractories used for transporting and pouring molten metal. Types include hand, bull, crane, bottom-pour, holding, teapot, shank, lip-pour.
Ladle, Bottom-Pour: Ladle from which metal, usually steel, flows through a nozzle in the bottom.
Ladle, Bull: A large ladle for carrying molten metal. Frequently used to designate a transfer ladle.
Ladle, Lip-Pour: Ladle in which the metal is poured over a lip, much as water is poured out of a bucket.
Ladle, Teapot: A ladle in which, by means of an external spout, metal is removed from the bottom rather than the too of the ladle.
Lance, Oxygen: A device, consisting of steel pipe, tubing, oxygen source and controls which uses the heat of burning steel pipe for melting. Frequently used to open frozen tap or slag holes.
Lining: Inside refractory layer of firebrick, clay, sand or other material in a furnace or ladle.
Lining, Monolithic: A lining made without the customary layers and joints of a brick wall. Usually made by tamping or casting refractory material into place, drying, and then burning in place on the job.
Loose Piece: 1. Core box: part of the core box which remains embedded in the core and is removed after lifting off the core box. 2. Pattern: laterally
projecting part of a ‘ pattern so attached that it remains in the mold until the body of the pattern is drawn. Back-draft is avoided by this means.
3. Permanent mold: part which remains on the casting and is removed after the casting is ejected from the mold.