| 摘要 |
PURPOSE:To carry out replenishment of film without delay by detecting a magnetic metallic tape stuck to the part close to the winding end of a film. CONSTITUTION:A synthetic resin film 1 is supplied, through a guide roller 5, to units for, such as, slit, printing, automatic packing, etc. and is processed. When the part 2 close to the winding end of the film 1 comes to a detector 6, a magnetic metallic tape 4 stuck to the part 2 close to the winding end is detected by this detector 6, notifying the user of the need of replenishment of the film. |
