Stock material or miscellaneous articles – Structurally defined web or sheet – Including stitching and discrete fastener – coating or bond
Patent
1997-04-07
1998-08-11
Ahmad, Nasser
Stock material or miscellaneous articles
Structurally defined web or sheet
Including stitching and discrete fastener, coating or bond
2243, 5456, 5457, 428 68, 428 72, 428 73, 428920, 428921, B32B 306
Patent
active
057925429
ABSTRACT:
The fire retarding fluid mat is formed of two layers of material sealed around the edges. At least one layer intended for exposure to burning materials is a fire layer of semiporous material which is covered on the outer surface by a semiporous coating. The second or container layer is composed of a semiporous or nonporous material. The two layers are seamed together at joints intermediate the edges to prevent a ballooning effect when the mat is filled with a fluid such as water. When burning material contacts the semiporous coating fluid is released by capillary action. Once the fire is extinguished the semiporous coating reseals to retain the fluid.
REFERENCES:
patent: 3577305 (1971-05-01), Hines
patent: 3640831 (1972-02-01), Gardner
patent: 4520054 (1985-05-01), Pfeiffer
patent: 5405671 (1995-04-01), Kamin
Ahmad Nasser
Beech Dennis W.
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