Textiles: fiber preparation – Working – Carding
Patent
1983-02-07
1984-10-09
Rimrodt, Louis
Textiles: fiber preparation
Working
Carding
19150, 19151, 19288, D01G 1546
Patent
active
044752725
ABSTRACT:
A cylindrical condenser screen is mounted to rotate adjacent a fiber supply, and around a pair of vacuum plenums, one of which has a generally rectangularly shaped slot extending axially of the screen adjacent its inside surface. A low suction in said slot draws fibers from the supply and onto the screen in the form of a nonwoven web. A cover that overlies the screen and the low suction slot has thereon at least one tapered projection, which extends in the direction of the travel of the web and over at least one high suction slot formed in the other plenum. Atmospheric air, which is drawn into the high suction slot along the tapered side edges of the cover projection, causes the fibers in the web to be rolled or shifted inwardly beneath the projection, thereby to form the web into one or more slivers which are drawn from beneath the discharge end of the projection by conventional takeoff rolls. The screen can be mounted adjacent the lower end of a fiber feed chute or adjacent the takeoff roll of a carding machine.
REFERENCES:
patent: 3018521 (1962-01-01), Harmon
patent: 3135023 (1964-06-01), Kalwaites
patent: 3230584 (1966-01-01), Kalwaites
patent: 3256569 (1966-06-01), Draving
patent: 3787930 (1974-01-01), Allen
patent: 4274178 (1981-06-01), Hotta
Rando Machine Company
Rimrodt Louis
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