| 摘要 |
An apparatus for forming reclosable bags, wherein said bags are formed from a continuously film ( 12 ) fitted with at least one closure tape ( 60 ), wherein the apparatus comprises a set of heat-sealed jaws ( 30 ) provided transversely relative to the travel direction of the film ( 12 ), at least one sensor ( 100 ) that if the tape ( 60 ) is present or not on the film in a predetermined position relative to the heat-sealed jaws, and means suitable to reposition correctly the film in regard of the heat-sealed jaws when the sensor detects a default in the position of the tape, so as to eliminate drift due to the elasticity of the film. |
