Patent ID: 6112509
Filing Date: 2000-09-05
Classification: D01H

Abstract:
A device for spinning machines for bundling together a fiber sliver, said device comprising:a pair of output rollers and a pair of delivery rollers defining a fiber bundling zone therebetween wherein said fiber sliver is bundled together in its travel from said output rollers to said delivery rollers;a compression device operably disposed in said fiber bundling zone, said compression device further comprising a belt cage disposed between said output and delivery rollers and a perforated belt disposed in a running path around one of said delivery rollers and said belt cage and along which the fiber sliver is conveyed; anda suction device disposed on a side of said perforated belt away from said fiber sliver, said suction device defining a suction zone along said running path of said perforated belt that is less than about one-half of the length of said fiber bundling zone between said output and delivery rollers; andwherein said suction device comprises a groove disposed within said belt cage and connected to a suction channel, said groove defining said suction zone and extending longitudinally about half way along said belt cage.