Novel fibrous assembly and process for production thereof

Details Novel fibrous assembly and process for production thereof Novel fibrous assembly and process for production thereof

1979-06-08

1981-09-08

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including grain, strips, or filamentary elements in...

264 461, 264DIG8, 428156, 428172, 428195, 428233, 428245, 428247, 428253, 428255, 428284, 428288, 428296, 428297, 428298, 428369, 428373, 428397, B32B 512

Patent

active

042884845

ABSTRACT:
A fibrous assembly of many fibers, the individual constituent fibers being interconnected at random in a spaced-apart relationship so that when spread in a direction at right angles to the longitudinal axes of the fibers, said assembly can form a continuous integral reticulated structure; said individual fibers having asymmetrical irregularly-shaped cross sections of substantially different profiles and sizes from one another when said assembly is cut at right angles to the longitudinal axes of the fibers at an arbitrary point therealong; at least 40% of the entire cross-sectional area of each fiber consisting of at least two different polymer phases which are coalesced side-by-side as at least two irregular blocks; and each of the individual fibers of said assembly having a non-uniform cross-sectional shape along its longitudinal axis; fibrous structures prepared from a plurality of such fibrous assemblies; and a process for producing such fibrous assembly.

REFERENCES:
patent: 3539666 (1970-11-01), Schirmer
patent: 3549467 (1970-12-01), Keuchel
patent: 3594459 (1971-07-01), Keuchel
patent: 3594928 (1971-07-01), Noel
patent: 3965229 (1976-06-01), Driscoll
patent: 3969472 (1976-07-01), Driscoll
patent: 3980513 (1976-09-01), Omori et al.

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