| 摘要 |
Release chimneys in correspondence of a plurality of intersection cuts 6 in a membrane-island (4) of film (tape) carrier (C) with cuts (3) made in the overlying self- adhesive label (2) made of polymeric film (E) with adhesive layer, all inscribed (i.e. inside) the perimeter of the membrane-island (4), destined to overlie so as to occlude pre-formed release openings in the packaging film of heatable food, ensure in an outstandingly reliable manner a gradual release of vapors while heating, without causing an undesirable collapse of the packaging film. |
