Prevention of fibers from entering the pinch point between a rot

Details Prevention of fibers from entering the pinch point between a rot Prevention of fibers from entering the pinch point between a rot

1976-10-14

1977-12-27

Newton, Dorsey

Textiles: fiber preparation

Assembling

Formed silvers

19 96, 19105, D04H 100

Patent

active

040645975

ABSTRACT:
A compressed batt of fibers is fed against a rotating toothed roll for dispersion of the fibers from the batt and this dispersion of fibers is fed through the point of closest clearance between the toothed roll and a feed roll rotating in the opposite direction. Downstream of this point of closest clearance, a stationary shoe is provided spaced from the surface of the toothed roll to permit the dispersion of fibers to follow the surface of the toothed roll. The shoe is closely fitted to the surface of the feed roll which has the effect of forming a pinch point where the feed roll enters beneath the shoe. In accordance with the invention, the shoe is equipped with passages for the flow of air to exit at the pinch point to prevent fibers from entering the pinch point, i.e., between the feed roll and shoe.

REFERENCES:
patent: 3797074 (1974-03-01), Zafiroglu
patent: 3844097 (1974-10-01), Bobkowicz et al.
patent: 3863296 (1975-02-01), Buell

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