Novel glass fiber mat

Details Novel glass fiber mat Novel glass fiber mat

1979-08-30

1981-05-26

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

428141, 428220, 428278, 428288, 428291, 428297, 428303, 428332, 428337, 428338, 428392, B32B 700

Patent

active

042698863

ABSTRACT:
A novel glass fiber mat is described herein. The mat includes a plurality of substantially uniformly enmeshed individual filament fibers which comprise at least 70% by weight of the fibrous component of the mat. The mat is further characterized in that less than 20% of the area of the mat are voids which extend through the thickness of the mat, the rest being fibrous material, of said voids, at least 80%, 30% and 10%, have an equivalent diameter whose size is less than about 50 microns, 10 microns and 5 microns, respectively. This mat has an exceedingly high tensile strength both in the machine and the cross-machine directions.

REFERENCES:
patent: 2702241 (1955-02-01), Hawley et al.
patent: 2797163 (1957-06-01), Smith et al.
patent: 2859109 (1958-11-01), Hawley et al.
patent: 2906660 (1959-09-01), Hungerford et al.
patent: 3004878 (1961-10-01), Tomlinson
patent: 3015582 (1962-01-01), Simison
patent: 3142612 (1964-07-01), Reiman
patent: 3228825 (1966-01-01), Waggoner
patent: 4052257 (1977-10-01), Hill et al.
patent: 4118272 (1978-10-01), Ziegler et al.
patent: 4179331 (1979-12-01), Chokrabarti
patent: 4183782 (1980-01-01), Bondor

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