Patent ID: 8052815

Claim:
Combined set comprising a device for manufacturing foam cushions, in particular for packaging purposes, and a film material, the said device having a film feed station ( 2 ) and a foam feed station ( 3 ), the said film feed station being equipped to feed the film material to the foam feed station, the said film material having a first ( 9 - 1 ) and second ( 9 - 2 ) side wall which are each attached to a common first edge ( 16 - 1 ), the said first and side walls being arranged such that they demarcate an inner space which is accessible via an opening made in a second edge ( 16 - 2 ), the said foam feed station having guiding devices ( 8 ) for guiding the second edge, the said foam feed station also having a delivery device ( 12 ) to enter the said opening and put a foaming substance into the said inner space, the said device also having conveyor devices ( 17 ) which are equipped to carry the said film material through the foam feed station to a first welding station ( 4 ), the said first welding station having a first welding device ( 5 ) which is equipped to make a seam weld in the said film material, the said film material being equipped with a series of characters ( 60 ) which are applied on one or more of the side walls each at a preset distance from one another, the said device having a reading device ( 18 ) for reading the said characters and generating a read pulse whenever it reads a character, characterised in that the device has a control device ( 22 ) which is connected to the read device and conveyor devices, the said control device being equipped to generate a length information which indicates the length of the foam cushions to be made, the said control device being equipped, based on the said length information, to determine a value which indicates the number of consecutive read pulses to which the said length corresponds, the said control device also being equipped to receive the said read pulses and to control the conveyor device as a function of those values.