Patent ID: 11866853
Assignee: AUTEFA SOLUTIONS GERMANY GMBH
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  B | IPC B  D

Claim 0:
1. A crosslapper comprising:
a machine frame with a lateral cladding being present in at least some areas;
a plurality of main carriages including a displaceable upper main carriage;
a discharge belt;
a laying belt guided over the displaceable upper main carriage and driven continuously to feed a formed fabric web on the laying belt in a web traveling direction to the displaceable upper main carriage, wherein the formed fabric web has a bottom side, a top side and side surfaces located at longitudinal edges of the formed fabric web, and the bottom side of the formed fabric web is disposed on the laying belt in a use state of the crosslapper, the main carriages being displaceable over the discharge belt and laying the formed fabric web on the discharge belt with formation of a single-layer or multi-layer nonwoven; and
a shielding device comprising a housing arranged in the crosslapper and configured to cover the side surfaces of the formed fabric web which is located on the laying belt and is fed to the displaceable upper main carriage, the side surfaces of the formed fabric web extending along the web traveling direction, and configured to shield the side surfaces of the formed fabric web against external environmental effects by defining an air flow barrier adjacent to the side surfaces of the formed fabric web located at the longitudinal edges of the formed fabric web, wherein, the housing is configured to mesh with the laying belt when the laying belt is running in a sealing manner.