Reinforced glass fiber mat and methods of forming

Details Reinforced glass fiber mat and methods of forming Reinforced glass fiber mat and methods of forming

1997-09-05

1999-02-02

Kent, Christopher

Static structures (e.g., buildings)

Lapped multiplanar surfacing; e.g., shingle type

83920, 156 622, 162156, 428426, 428436, 428440, 442176, 442180, 442327, E04D 116, E04D 122, B32B 1706

Patent

active

058650032

ABSTRACT:
A glass fiber mat includes glass fibers saturated with a binder and then cured. A predetermined pattern of relatively high and low concentrations of binder is formed throughout the length of the glass fiber mat. The pattern produces at least one portion of the mat having a relatively high concentration of binder adjoining a portion of the mat having a relatively low concentration of binder. The pattern of high and low binder concentration is produced during a wet process. Liquid binder is either selectively applied to the glass fibers via an applicator or selectively removed from the glass fibers via a vacuum. Cover panels having predetermined slot configurations are used with vacuum boxes to create the desired pattern. Such glass fiber mats can be cut along an area of high binder concentration to produce cut edges which resist breaking and tearing. Shingles formed from such glass fiber mats have improved tear resistance and pliability.

REFERENCES:
patent: 1745361 (1930-02-01), Mickelson
patent: 1758410 (1930-05-01), Reichel
patent: 1834004 (1931-12-01), Overbury et al.
patent: 1863178 (1932-06-01), Wood
patent: 1868751 (1932-07-01), Koch
patent: 1924650 (1933-08-01), Payne
patent: 1950032 (1934-03-01), Kirschbaun
patent: 1972133 (1934-09-01), Darrow
patent: 5362842 (1994-11-01), Graves et al.
patent: 5445878 (1995-08-01), Mirous
patent: 5656366 (1997-08-01), Mirous

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