Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1985-06-13
1986-08-26
Rutledge, L. Dewayne
Metal working
Method of mechanical manufacture
Assembling or joining
29460, 266196, 266286, 52227, B23P 1100
Patent
active
046074279
ABSTRACT:
A lightweight, warp-resistant cover for use on runners in steel mills which covers employs a steel exoskeleton on which an expanded metal walls are affixed. The cover is of an overall inverted U-channel shape to which layers of ceramic batting material are laid in planes at right angles to the walls of the cover and are affixed by means of L-shaped hangers attached to the metal mesh and its framework with impalers parallel to the expanded metal walls. The ceramic batting is impaled on the hangers and completely lines the interior of the cover and is preferably sealed by a final coating of ceramic insulation at its inner surface. A plurality of covers may be joined end-to-end to span the full length of a runner with any particular one being easily removable and replaced because of its lightweight. The construction covers are made by the process of forming a U-shaped channel rectilinear skeleton frame, welding expanded mesh walls to the frame, and affixing hangers at one end, with impalers pointed toward the other end. Rectangular layers of ceramic batting sized to span the back wall are then impaled thereon in layers perpendicular to the expanded metal wall until the impalers are covered and the additional hangers bolted to and through the expanded metal wall and repeating the impaling process until the entire interior surface is covered, and then coating the inner surface of the batting with ceramic insulating cement.
REFERENCES:
patent: 3854262 (1974-12-01), Brady
patent: 3892396 (1975-07-01), Monaghan
patent: 3990203 (1976-11-01), Greaves
patent: 4300753 (1981-11-01), LaBate
patent: 4355788 (1982-10-01), LaBate
Crisman Sand Company, Inc.
Kastler S.
Kinney Richard G.
Rutledge L. Dewayne
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