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

Claim 15:
16. The ventilation module according to claim 1, wherein the following features:
at least one second outlet nozzle arrangement and at least one second return system are provided, the at least one second outlet nozzle arrangement having one or more outlet nozzles, each with a nozzle opening area, the one outlet nozzle or the plurality of outlet nozzles extending with its longitudinal direction transverse or perpendicular to the withdrawal direction of the plastic film web and being oriented in parallel to the transport plane, and the at least one second return system having a plurality of intake regions, which extend with their longitudinal direction transverse or perpendicular to the withdrawal direction of the plastic film web, and the nozzle opening area of the one outlet nozzle or the plurality of outlet nozzles of the at least one second outlet nozzle arrangement being arranged between a first and a second intake region of the at least one second return system;
the at least one first outlet nozzle arrangement and the at least one first return system are arranged on a first side of the transport plane, whereas the at least one second outlet nozzle arrangement and the at least one second return system are arranged on a second side of the transport plane which is opposite the first side.