Method and means for producing disks of tightly packed on-end aligned fibers
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United States of America Patent
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Jan 19, 1993
Grant Date -
N/A
app pub date -
Feb 25, 1992
filing date -
Feb 25, 1992
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and means for producing disks of tightly packed on-end aligned fibers wherein side-by-side filament tows are surrounded and pulled by a Chinese-finger type gripper sleeve which tightens about the tows and compacts the filaments as it is pulled. The gripper sleeve and filament assembly is further compacted by being pulled through a draw-down die and into a tube surrounded by a backup casing. The highly compacted mass of filaments with the surrounding portion of the sleeve within the tube are cut free from the external portion of the portion of the puller sleeve and the loaded tube is removed from the casing. A plurality of disks of predetermined thickness containing the desired highly compacted on-end aligned fibers are then formed by cross-sectionally cutting the filament loaded tube segment by segment.
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