Fracturable fiber cross-sections

Details Fracturable fiber cross-sections Fracturable fiber cross-sections

1982-06-21

1984-09-18

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428373, 428397, 57248, D03D 300, D02G 300

Patent

active

044724772

ABSTRACT:
A continuous filament having a special geometrical cross-section to give controlled fracturability so as to produce free protruding ends, multifilaments of which produce yarns coming within the scope of U.S. Pat. No. 4,245,001; the cross-section of the textile filament having a main body section and one or more wing members connected to the body section, the body section comprising about 25 to about 95% of the total mass of the filament and the wing member or wing members comprising about 5 to about 75% of the total mass of filament, with the filament being further characterized by a wing-body interaction (WBI) defined by ##EQU1## where the ratio of the width of the filament cross-section to the wing member thickness (L.sub.T /Dmin) is .ltoreq.30.

REFERENCES:
patent: 3156085 (1964-11-01), Jamieson
patent: 3238553 (1966-03-01), Bailey et al.
patent: 4054709 (1977-10-01), Belitsin et al.
patent: 4245001 (1981-01-01), Phillips et al.

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