Lightweight tenting fabric

Claim 2

A coated fabric which is tear resistant, abrasion resistant, water repellant, and flame retardant, said fabric comprising a substrate woven from yarns of nylon fibers, a base coat containing a polyurethane adhesion binder and flame retardants on each surface of the substrate, a top coat overlying the base coat on each surface of the substrate, each said top coat containing flame retardants, a flame retardant binder and a water repellant, and said coated fabric weighing less than 7 ounces per square yard.

Claim 3

A multi-coat tent fabric weighing less than seven (7) ounces per square yard and comprising a substrate formed from nylon fibers, a first base coat and a first top coat on one surface of the substrate, a second base coat and a second top coat on the other surface of the substrate, said first base coat and said second base coat each including fire retardant chemicals and a polyurethane adhesion binder, and the first top coat and second top coat each including fire retardant chemicals and a polyvinyl chloride flame retardant binder.

Claim 4

A multi-coat tent fabric weighing less than seven (7) ounces per square yard and comprising a substrate formed from nylon fibers, a first base coat and a first top coat on one surface of the substrate, a second base coat and a second top coat on the other surface of the substrate, said first base coat and said second base coat each including fire retardant chemicals and a polyurethane adhesion binder, and the first top coat and second top coat each including fire retardant chemicals and a polyvinyl chloride flame retardant binder.

Claim 5

A coated fabric comprising a substrate formed from nylon fibers and a base coat and a top coat of flame retardants and binders, including an adhesion binder enveloping the substrate to provide a fabric weighing no more than 7 ounces per square yard and having the following functional properties: (a) breaking strength of at least 88 lbs. as determined by Federal Test Method 5100, (b) tearing strengh of at least 6 lbs. (Elmendorf) as determined by the testing procedure of ASTM-D-1424, (c) an after-flame burning of the fabric before washing of less than 2 seconds and a char length of the fabric before washing of no more than 7 inches when tested according to Federal Test Method 5903, (d) after-flame burning of no more than 2 seconds after the fabric is washed according to Method 5556 and a char length of no more than 7 inches when tested according to Federal Test Method No. 5903, and (e) after-flame burning of no more than 2 seconds and a flame consumption of no more than 50% of the fabric when tested according to Federal Test Method No. 5905.

Claim 6

A coated fabric comprising a substrate formed from nylon fibers and a base coat and a top coat of flame retardants and binders, including an adhesion binder enveloping the substrate to provide a fabric weighing no more than 7 ounces per square yard and having the following functional properties: (a) breaking strength of at least 88 lbs. as determined by Federal Test Method 5100, (b) tearing strengh of at least 6 lbs. (Elmendorf) as determined by the testing procedure of ASTM-D-1424, (c) an after-flame burning of the fabric before washing of less than 2 seconds and a char length of the fabric before washing of no more than 7 inches when tested according to Federal Test Method 5903, (d) after-flame burning of no more than 2 seconds after the fabric is washed according to Method 5556 and a char length of no more than 7 inches when tested according to Federal Test Method No. 5903, and (e) after-flame burning of no more than 2 seconds and a flame consumption of no more than 50% of the fabric when tested according to Federal Test Method No. 5905.

Claim 7

A coated fabric according to claim 3 wherein said adhesion binder is polyether urethane and the flame retardant binder is a polyvinyl cholride polymer.

Claim 8

A coated fabric according to claim 3 wherein the flame retardant chemicals include antimony oxide and decabromodiphenyl oxide.

Claim 9

A coated fabric according to claim 3 wherein the synthetic fibers are nylon and the substrate is woven with about 38 yarns per inch in the warp and about 38 yarns per inch in the filling.

Claim 10

A coated fabric according to claim 3 wherein the adhesion binder is a urethane and wherein the flame retardant binder is polyvinyl chloride.

Claim 13

A method according to claim 8 wherein the polymeric binder in the first liquid composition is polyether urethane.

Claim 14

A method according to claim 8 wherein the polymeric binder in the first liquid composition is polyether urethane and the flame retardant binder in the second composition is polyvinyl chloride.

Claim 15

A method according to claim 8 wherein the polymeric binder in the first liquid composition is polyester urethane and the flame retardant binder in the second composition is polyvinyl chloride.

Claim 16

A method according to claim 8 wherein the adhesion binder is a blocked polyester/polyurethane prepolymer, the flame retardant binder is a polyvinyl chloride polymer, and the base coats and top coats are dried at a temperature of about 300° F.