Textiles: fiber preparation – Working – Carding
Patent
1982-09-07
1984-07-31
Rimrodt, Louis
Textiles: fiber preparation
Working
Carding
406181, D01G 1540
Patent
active
044621400
ABSTRACT:
The leveling device comprises a rectangular duct connected at its inlet end to a pneumatic fiber supply and at its outlet end to the upper end of a feed chute for a carding machine. A pair of opposed accelerator plates are adjustably mounted adjacent the duct's inlet end to accelerate the incoming stream of fibers, which then passes between two deflector nozzles that are mounted with their discharge ends opening on opposite sides of the duct, and with their outer or inlet ends connected to opposite ends of a flexible, generally U-shaped tube. Downstream from the nozzles the opposed sidewalls of the duct curve outwardly and away from each other to form a diffusion section, the enlarged end of which is connected to the upper end of the feed chute. In use the air pressure at the outlet end of each nozzle alternately rises and falls causing the stream of fibers to be deflected alternately toward one and then the other of the opposed, curved sidewalls of the duffusion chamber. The stream adheres briefly to each curved sidewall before being directed back toward the other, thereby directing fibers to the opposite side of the chute. The U-shaped tube has corrugated legs which permit the tube to be increased or decreased in length, thereby to increase or decrease, respectively, the frequency with which the stream of fibers is directed back and forth toward opposite sides of the chute.
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Rando Machine Corporation
Rimrodt Louis
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