TELESCOPIC CONSTRUCTION BRAZING METHOD Russian patent published in 1998 - IPC

FIELD: mechanical engineering; brazing. SUBSTANCE: copper and silver hard solders are placed in place of joint to be. Workpieces are heated to temperature higher than solder melting temperature and then cooled. Bushing with inner face b in its upper part is placed on iron alloy workpiece. Deformable belt is made on workpieces in zone of contact of bushing and iron alloy workpiece. Zone of heating of copper alloy workpiece is limited by deformable belt. Bushing is made of material with thermal expansion coefficient close to that of copper alloy workpiece. EFFECT: provision of reliable and tight connected of different material small size articles, such as electric connectors. 6 cl, 4 dwg