Patent ID: 9003608
Filing Date: 2015-04-14
Classification: D01G

Abstract:
1. A working assembly for machines for opening fibers and/or preparation to carding, comprising: a hollow drum or cylinder, rotatable in operation, having a cylindrical wall at the ends of which there are coupled respective transverse header walls, and provided with a central longitudinal shaft; clothing means, the external lateral surface of said cylindrical wall being provided with the clothing means intended to interact with the fibers being carded; first and second support uprights which are fixed in operation, and adapted to support the ends of the shaft of the drum or cylinder for rotation about an axis; a cooling system to cause cooling of the lateral cylindrical wall of the drum or cylinder, wherein: at least one pumping device coupled with said fluid path and adapted to induce therein said flow of refrigerating fluid, wherein the support uprights are provided with a plurality of respective openings or passages communicating with the plurality of corresponding openings of the adjacent header walls.