Method for delivery of fire retardant

Details Method for delivery of fire retardant Method for delivery of fire retardant

1992-04-09

1993-01-12

Jones, W. Gary

Coating processes

With post-treatment of coating or coating material

Heating or drying

156 628, 156550, B05D 500

Patent

active

051789175

ABSTRACT:
A delivery system for delivering liquid fire retardant material to cotton batting during the course of producing the cotton batting includes a spray manifold arrangement including a liquid conduit carrying the fire retardant material under pressure, a parallel air manifold carrying air under pressure and a plurality of spaced nozzles distributed across the manifold, each of which is connected to both conduits. This manifold is physically positioned in the cotton batt producing machines just downstream of the garnetting rollers where two separate thin webs of cotton are produced. These webs are impacted by spray from the nozzles just ahead of and at the point where the webs are combined. A tank containing the fire retardant material is connected to a regulated source of air under pressure some of which is supplied to put the contents of the tank under pressure such that it flows to the liquid conduit and some of which is supplied to the air manifold.

REFERENCES:
patent: 4185135 (1980-01-01), Huff
patent: 5102701 (1992-04-01), Davis et al.

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