Patent ID: 11897179
Assignee: BRÜCKNER MASCHINENBAU GMBH
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 14:
15. The ventilation module according to claim 1, wherein the following features:
the at least one first outlet nozzle arrangement comprises at least one or two or three or four or five additional outlet nozzles, which extend with their longitudinal direction transverse or perpendicular to the withdrawal direction of the plastic film web and are oriented in parallel to the transport plane, with the further outlet nozzle or the further outlet nozzles at the outlet region in each case having a separate nozzle opening area;
all outlet nozzles of the at least one first outlet nozzle arrangement are arranged distanced from one another in the withdrawal direction;
all outlet nozzles of the at least one first outlet nozzle arrangement are arranged on the same side of the transport plane;
the nozzle opening area of each further outlet nozzle is arranged between a first and a second further intake region, with the first and second intake region being connected via a first or second extraction channel to the at least one first return system;
the further first intake region is arranged in the withdrawal direction of the plastic film web exclusively before the further outlet nozzle, and the further second intake region is arranged in the withdrawal direction of the plastic film web exclusively after the outlet nozzle.