Process for preparation of discontinuous filament bundles and sh

Details Process for preparation of discontinuous filament bundles and sh Process for preparation of discontinuous filament bundles and sh

1985-09-09

1986-04-22

Rimrodt, Louis K.

Textiles: fiber preparation

Stapilizing

Tension breaking

19 046, D01G 108

Patent

active

045832668

ABSTRACT:
A process for the preparation of discontinuous filament bundles, which comprises applying a drawing force and/or a shearing force to a bundle of continuous filaments while or immediately after contacting the bundle of continuous filaments with a medium maintained at a temperature lower than -5.degree. C. to cut the respective single filaments constituting the bundle. The individual filaments of the resultant bundle may have on at least one terminal thereof a sharp end cut obliquely and an inclination angle .alpha. of the cut top end to the filament axis of less than 70.degree..

REFERENCES:
patent: 2096795 (1937-10-01), Dreyfus
patent: 2649623 (1953-08-01), Ingham
patent: 2976578 (1961-03-01), Virgil
patent: 3287787 (1966-11-01), Goulding et al.

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