Method and apparatus for making nodule filament fibers

Details Method and apparatus for making nodule filament fibers Method and apparatus for making nodule filament fibers

1980-01-10

1981-09-22

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Unconfined drawing or extending of a plastic mass to make...

164130, 264 8, 264311, 425 8, B29C 504

Patent

active

042909937

ABSTRACT:
A method for producing "dogbone" filament fibers having nodules at each end comprising rotating a heat extracting disk having an edge tapering to a narrow peripheral surface and having the peripheral surface notched at intervals with each notch comprising a leading edge, connected to a trailing flat surface, the trailing flat surface supporting an expanded land on the peripheral edge; introducing the rotating disk into the surface of a pool of molten material to form a film of the material on the edge; and removing heat from the film and at least partially solidifying the film on the edge. By the method, the segmented filament fiber products which are produced have a nodule formed on the leading end, a nodule formed on the trailing end, and continuous fiber inbetween, with the general appearance of a dogbone.

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patent: 3838185 (1974-09-01), Maringer et al.
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patent: 4242069 (1980-12-01), Maringer
New Trend in Material Processing by Pond et al., (Papers presented at a Seminar of Am. Soc. of Metals), Oct. 19 & 20, 1974, pp. 128-164.

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