SHEET LAMINATE CONSTRUCTION MATERIAL Russian patent published in 1999 - IPC

FIELD: manufacture of products containing metallic parts for example by rolling, powder metallurgy or welding process including explosion welding, possibly in building, machine engineering and other industry branches. SUBSTANCE: sheet laminate construction material includes in cross section at least two layers. On boundaries of front and back faces at least of one layer and at least on one apex at least of one layer of cross section, at least a part of line of boundary of cross section is in the form of fragment of cone section of straight round cone. It provides constructionally involved thickness change at least of one layer of sheet laminate material at shaping operations. EFFECT: enhanced technological effectiveness and lowered material consumption at making products of such sheet laminate construction material. 24 cl, 21 dwg