IP Library › Patent Application 10910105
Patent Application
App. No. 10/910,105

Fibers having improved dullness and products containing the same

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Quick Facts
Patent No.
US None
App. No.
10/910,105
Abstract

Fibers having a reduced amount of glare are disclosed. Products made therefrom the fibers are also disclosed. Methods of making the fibers and products are further disclosed.

Claims (15)

1 - 27 . (canceled)

28 . A method of making a fiber comprising:

melt extruding a polymer through a capillary having lobe-forming extensions extending from a central portion of the capillary;

drawing the extruded polymer to form a drawn fiber;

quenching the drawn fiber to form a solidified resulting fiber;

wherein the resulting fiber has a cross-sectional configuration such that the resulting fiber contains two or more lobes extending from a central core, wherein the two or more lobes are equally spaced about an outer periphery of the central core; wherein each lobe has a substantially similar lobal cross-sectional configuration comprising at least three concave portions, at least two convex portions, and at least four inflection points along an outer perimeter of each lobal cross-sectional area.

29 . The method of claim 28 wherein the capillary has a capillary profile as shown in FIG. 5 .

30 . The method of claim 28 , wherein the capillary has a capillary profile as shown in FIG. 6 .

31 . The method of claim 28 , wherein the capillary has a capillary profile as shown in FIG. 7 .

32 . A method of making a fiber comprising:

melt extruding a polymer through a capillary having lobe-forming extensions extending from a central portion of the capillary;

drawing the extruded polymer to form a drawn fiber;

quenching the drawn fiber to form a solidified resulting fiber;

wherein the resulting fiber has a cross-sectional configuration such that the resulting fiber contains two or more lobes extending from a central core, wherein the two or more lobes are equally spaced about an outer periphery of the central core; wherein each lobe has a substantially similar lobal cross-sectional configuration comprising at least three concave portions, at least two convex portions, and at least four inflection points along an outer perimeter of each lobal cross-sectional area, and wherein a maximum distance between adjacent lobes is located between adjacent areas of maximum width of each of said adjacent lobes.

33 . The method of claim 32 , wherein the capillary has a capillary profile as shown in FIG. 5 .