Apparatus for laying a film web in Z-shaped folds or for depositing portions of film web in overlapped configuration

Claim 1

Device for laying a film web in Z-shaped folds and optionally for the overlapped positioning of sections cut from said film web, or for inserting sections of film, comprising: a first conveyor means conveying at a high speed; a second gripping conveyor means with clamping capacity operating at a conveying speed slower than that of the first conveyor means disposed to convey at an angle to the conveying direction of said first conveyor means and said angle having its intercept on the first conveyor means, the second conveyor means having an entry nip located at a distance from the first conveyor means and opening toward the first conveyor means; an extendable pusher means adapted to pass through the conveyor plane of the first conveyor means and reach as far as the opening of the entry nip of the second conveyor means, the first conveyor means having adhering means for adhering said film web to the first conveyor means in at least the region of its travel which is opposite the opening of the entry nip, the adhering means causing the film web to be held firmly on the first conveyor means until drawn away by the action of introducing the forward fold edge of the Z-shaped fold into the entry nip.