Importance

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Abstract

Apparatus for removing excess fibers from the doffer of a sliver high pile fabric knitting machine and returning the fibers to the main cylinder for refeeding to the doffer. During the return of the fibers to the main cylinder, they are combed and aligned into a thin uniform film of parallel fibers for uniform redistribution on the main cylinder and uniform mixture with fresh, incoming fibers fed to the main cylinder by the sliver feed elements. The invention includes pneumatic suction for drawing fibers from the doffer into a substantially closed suction chamber, a flat perforated filter sheet fixed within the chamber to separate the fibers from the air currents in the chamber and a rubber covered sealing roll permitting the fibers to be discharged from the chamber to the ambient atmosphere without impairing the integrity of the vacuum in the chamber. Fiber feeding elements composed of a rotatable wire-covered fiber transfer roller and a rotatable wire-covered fiber return feed roller return the recovered fibers to the main cylinder.

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First Claim