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

Claim 6:
7. A crosslapper comprising:
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, 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;
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 to shield the side surfaces of the formed fabric web against external environmental effects by defining an air flow barrier adjacent to the formed side surfaces of the fabric web located at the longitudinal edges of the formed fabric web; and
one or more auxiliary carriages that are displaceable and are coupled with at least one of the plurality of main carriages, the one or more auxiliary carriages being displacebly arranged with a belt loop above the shielding device and/or the one or more auxiliary carriages being displacebly arranged with a belt loop below the shielding device.