FIELD: packaging industry.
SUBSTANCE: invention is related to counter-element intended for application of pressure to the first part of packaging material together with heating of packaging material so that to seal the first part of packaging material together with the second part of packaging material. Element has adjacent surface adjusted to at least adjoin to the first part of packaging material. Adjoining surface has multiple indents arranged with the possibility to capture liquid or gas near adjoining surface and the first part of packaging material. Invention is also related to method for manufacture of above described counter-element.
EFFECT: increased service life of rubber part that creates contact surface of counter-clamp.
12 cl, 8 dwg
