STAMP Russian patent published in 1997 - IPC

FIELD: application of sign information on pieces with plat surface. SUBSTANCE: stamp has split body made of two parts, that are hinged by axis in their upper part and form rectangular cut-out on lower butt. In the body on above axis there are hinged mounted holders with closed flexible belts, that are loose set on longitudinal projections on the holders. Belts have teeth with applied on their outer surface relief signs. On side surfaces of teeth there are duplicating signs. One tooth of each belt is protruding outside through rectangular cut-out of body forming string, Both parts of body are joined by fixer and their lower butts have plates with relief signs. EFFECT: improved design. 4 cl, 5 dwg