Abstract: A method for cutting and connecting two bands end to end and which are at a stop, namely a first band ensuring the feed, and a second replacement band, in an unrolling machine including a cutting and connecting device including two connection assemblies arranged symmetrically with respect to a cutting and connection plane is provided. Utilizing the unrolling machine the method includes preparation of the second band, then immobilization of the bands in the plane, of simultaneous and transverse cutting of the latter, of disengagement of the cut portions not to be connected, and of end-to-end connecting of the cut portions thereof to be connected. A cutting and connecting device and a machine enabling the implementation of the method is also provided.

Abstract: The method involves preparing an end of a new band of a new bobbin (6), and fitting a gluing joint on a connection assembly (4). Another gluing joint to be transferred is mounted on the connection assembly corresponding to a bobbin (8) unrolling a completed band. The bobbin (8) is stopped, and a junction is formed by gluing the new band with a section of the completed band using connections of the connection assembly. The unrolling of the new bobbin is started. An independent claim is also included for an end-to-end cutting and gluing device for an unrolling machine.

Abstract: A continuous rolling machine for web materials includes two independent driving rolls (4 and 5) co-operating with a take-up reel (3A, 3B). A winding method with controlled application load of the driving rolls is also disclosed. At least one of the driving rolls of the winding device (2) is in contact with the take-up reel (3A, 3B), from the start of the phase for preparing a new reel (3A) until the finished reel has completely stopped, one (4) of the driving rolls being in contact with the reel soon after the start of the latter's (3A) formation and until the finished reel has completely stopped (3B), the other driving roll (5) being in contact with the reel from the start of the latter's (3B) formation until its release (3B), prior to connecting a new reel.

Abstract: A method and device for positioning strips and rolls in order to connect same to an unwinding machine. The method is characterised in that it consists in physically representing the position at which the side of the roll (3) must be positioned in relation to the longitudinal axis of the machine, on the outside diameter of the roll with the aid of a light beam emitter (6) that emits light that is visible to the operator and without the use of an active receiver. The invention is especially suitable for machines used for the continuous unwinding of strips of material and, in particular, for machines used to unwind rolls of paper or card in order to feed a downstream machine.

Abstract: A continuous rolling machine for web materials includes two independent driving rolls (4 and 5) co-operating with a take-up reel (3A, 3B). A winding method with controlled application load of the driving rolls is also disclosed. At least one of the driving rolls of the winding device (2) is in contact with the take-up reel (3A, 3B), from the start of the phase for preparing a new reel (3A) until the finished reel has completely stopped, one (4) of the driving rolls being in contact with the reel soon after the start of the latter's (3A) formation and until the finished reel has completely stopped (3B), the other driving roll (5) being in contact with the reel from the start of the latter's (3B) formation until its release (3B), prior to connecting a new reel.

Abstract: The present invention relates to a device for end to end connecting for a machine for continuously unrolling, with end to end connection between two strips, an ending strip (1) and a new strip (2), comprising at least means (3) for unrolling two spools, an accumulator for the strip (4) and a device for connecting and cutting.