CORRUGATED BENT SHAPE Russian patent published in 1996 - IPC

FIELD: production of cold-bent shapes of special usage rolling, in particular - for covering of railway passengers carriages. SUBSTANCE: aim is to produce corrugated bent shape made of corrosion-resistant steel and other marks of steel and used for railway carriages covering. Bent shape of S thick, that has corrugations of different width and height, is made of corrosion-resistant steel and other marks of steel. In the case base of big corrugation has steps of height hs = S and width equal to 0.09 - 0.11 of the corrugation width. Radiuses values of roundings at base of corrugations are taken from ratio R : r (H - 2S) : (h - 2 S), with R and r - radiuses of roundings correspondingly of small and big corrugations, H and h - height of big and small corrugations correspondingly. EFFECT: production of corrugated bent profile made of corrosion resistant steel and other marks of steel. 2 dwg