Casings Linings Walls Roofs

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F27Furnaces F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE

F27D1/00Casings Linings Walls Roofs

F27D1/0003Linings or walls F27D1/0006Linings or walls formed from bricks or layers with a particular composition or specific characteristics F27D1/0009Comprising ceramic fibre elements F27D1/0013the fibre elements being in the form of a folded blanket or a juxtaposition of folded blankets F27D1/0016Interleaved multiple folded blankets F27D1/002the fibre elements being composed of adjacent separate strips F27D1/0023Linings or walls comprising expansion joints or means to restrain expansion due to thermic flows F27D1/0026the expansion joint being a resilient element F27D1/003Linings or walls comprising porous bricks F27D1/0033Linings or walls comprising heat shields F27D1/0036Linings or walls comprising means for supporting electric resistances in the furnace F27D1/004Linings or walls comprising means for securing bricks F27D1/0043Floors, hearths F27D1/02Crowns Roofs F27D1/021Suspended roofs F27D1/022Parts thereof F27D1/024having an anchored layer of lining F27D1/025Roofs supported around their periphery F27D1/027Skew backs F27D1/028Means to prevent deformation of the arch F27D1/04characterised by the form F27D1/042Bricks shaped for use in regenerators F27D1/045Bricks for lining cylindrical bodies F27D1/06Composite bricks or blocks F27D1/063Individual composite bricks or blocks F27D1/066Individual composite bricks or blocks made from hollow bricks filled up with another material F27D1/08Bricks or blocks with internal reinforcement or metal backing F27D1/10Monolithic linings Supports therefor F27D1/12incorporating cooling arrangements F27D1/14Supports for linings F27D1/141Anchors therefor F27D1/142Anchors made from ceramic material F27D1/144Supports for ceramic fibre materials F27D1/145Assembling elements F27D1/147for bricks F27D1/148Means to suspend bricks F27D1/16Making or repairing linings increasing the durability of linings or breaking away linings F27D1/1621Making linings by using shaped elements F27D1/1626Making linings by compacting a refractory mass in the space defined by a backing mould or pattern and the furnace wall F27D1/1636Repairing linings by projecting or spraying refractory materials on the lining F27D1/1642using a gunning apparatus F27D1/1647the projected materials being partly melted F27D1/1652Flame guniting; Use of a fuel F27D1/1668Plasma guniting F27D1/1673applied centrifugally F27D1/1678Increasing the durability of linings; Means for protecting F27D1/1684by a special coating applied to the lining F27D1/1694Breaking away the lining or removing parts thereof F27D1/18Door frames Doors, lids, removable covers F27D1/1808Removable covers F27D1/1816Removable covers specially adapted for arc furnaces F27D1/1858Doors F27D1/1866Door-frames