Apparatus for making a non-woven fabric

Details Apparatus for making a non-woven fabric Apparatus for making a non-woven fabric

1990-03-07

1990-11-27

Reynolds, W. C.

Textiles: fiber preparation

Working

Carding

191457, 19302, D01G 1526

Patent

active

049725513

ABSTRACT:
An apparatus for making a non-woven fabric comprises a plurality of tooth-carrying carding drums, which rotate in the same sense and succeed each other in the direction of travel of the preliminary web. Each carding drum which succeeds another in the direction of travel of the preliminary web constitutes a worker roller for the next preceding carding drum. The fibers flow off from the carding drums in discharge ducts and are deposited on a collecting surface, to which suction is applied. In order to ensure a uniform deposition of the fibers on the collecting surface, each discharge passage is provided adjacent to its boundary walls with an air inlet opening, which extends throughout the width of the collecting surface and is constituted by an air-entraining injector nozzle, which is directed toward the collecting surface and discharges an air stream which is parallel to the boundary wall.

REFERENCES:
patent: 3058169 (1962-10-01), Joa
patent: 4130915 (1978-12-01), Gotchel et al.
patent: 4475271 (1984-10-01), Lovgren et al.
patent: 4534086 (1985-08-01), Fehrer
patent: 4583267 (1986-04-01), Fehrer
patent: 4637104 (1987-01-01), Mante
patent: 4833758 (1989-05-01), Sano et al.

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