SPOT WELDING METHOD Russian patent published in 1995 - IPC

FIELD: welding technique. SUBSTANCE: method comprises steps of placing an insert of a material, being welded with a material of a foil of a metallic composite, into a part of non-composite material before an operation of assembling a pack. The above mentioned insert has a profiled working surface in the form of annular ridges, whose height is no more, than a thickness of the foil of the metallic composite; upon compressing the parts embedding ridges of the insert into the foil of the metallic composite; melting materials of the foil and the insert along a diameter, being less, than maximum diameter of the ridges of the insert. EFFECT: enhanced reliability of welded joints. 1 cl, 5 dwg