Easy opening of film wrapper

摘要

A film wrapper (99) comprises a tear tape (30) and at least one weakening line (10, 12) next to the tear tape (30), the longitudinal axis of the at least one weakening line (10, 12) being substantially perpendicular to the tear tape (30) (perpendicular weakening lines (10, 12)). An article is wrapped into the film wrapper. A multi-bladed knife (100) used for producing the film wrapper comprises a U-shaped or V-shaped first blade (110) and a second linear blade (112) parallel to the longitudinal axis of said first blade (110) and a third linear blade (111) perpendicular to the longitudinal axis of the first blade (110).

主权项

1. A film wrapper comprising:
a tear tape having a pull tab, which is a longitudinal extension of the tear tape; at least one perpendicular weakening line next to and neither in contact with the tear tape nor a weakening line, the longitudinal axis of the at least one perpendicular weakening line being substantially perpendicular to the tear tape; and a single parallel weakening line next to and neither in contact with the tear tape nor another weakening line, the longitudinal axis of the parallel weakening line being substantially parallel to the tear tape, and wherein the at least one perpendicular weakening line and the single parallel weakening line are located on opposite sides of the tear tape, and wherein the single parallel weakening line is located adjacent to an end of the tear tape without the pull tab.