Vorrichtung zum Verbinden eines Aufreißstreifens mit einer Materialbahn

摘要

2.1. In packaging technology, tear-off strips (10) are applied to film webs to form a tear-off aid for packages made of or using the film. The tear-off strip (10) is joined to the web material (11) by the application of heat and pressure while the web material (11) with the tear-off strip (10) is conveyed over a deflector roll or heat-sealing roll (12). The heat-sealing roll (12) in this process forms a heating ring (17) which is heated for the transfer of heat and pressure to the web material (11), but is heat-insulated with respect to the remaining part of the heat-sealing roll. 2.2. The heat-sealing roll (12) is of multi-part design and consists namely of two partial rolls (15, 16) and of the heating ring (17) arranged between these with a gap (38, 39).