A film of plastic material mono - oriented for the manufacture of a heat-shrinkable sleeve a tearable, and the sleeve produced from such a film

摘要

The present invention relates to a plastic film stretched to have a privileged direction of retraction, the film comprising at least one line of weakening mechanical (11,21), and at least one zone of local extra thickness (12,22) extending along the line of weakening the border that - ci, the line of weakness and the region of extra thickness which is adjacent, together defining a line of tearing.