	US 11,891,731 B2
	Flame resistant fabrics
Robert Self, Peachtree City, GA (US); and Keith Edward Pickering, Decatur, GA (US)
Assigned to Southern Mills, Inc., Union City, GA (US)
Filed by Southern Mills, Inc., Union City, GA (US)
Filed on Aug. 10, 2022, as Appl. No. 17/884,866.
Claims priority of provisional application 63/231,528, filed on Aug. 10, 2021.
Prior Publication US 2023/0055182 A1, Feb. 23, 2023
Int. Cl. D03D 15/513 (2021.01); D03D 15/283 (2021.01); D03D 15/47 (2021.01); D03D 15/225 (2021.01); D03D 1/00 (2006.01); D03D 13/00 (2006.01); A41D 31/08 (2019.01)

CPC D03D 15/513 (2021.01) [D03D 1/0035 (2013.01); D03D 13/008 (2013.01); D03D 15/225 (2021.01); D03D 15/283 (2021.01); D03D 15/47 (2021.01); D10B 2201/24 (2013.01); D10B 2321/08 (2013.01); D10B 2331/021 (2013.01); D10B 2401/063 (2013.01); D10B 2403/0114 (2013.01); D10B 2501/00 (2013.01)]

20 Claims

1. A flame resistant fabric formed by first yarns and a second yarns and having a fabric fiber blend, wherein the fabric has a first side and a second side opposite the first side and wherein:

i. the first yarns comprise a first yarn fiber blend comprising approximately 5-20 wt. % aramid fibers, 5-20 wt. % modacrylic fibers, 30-50 wt. % cellulosic fibers, and 30-50 wt. % FR nylon fibers;

ii. the second yarns comprise a second yarn fiber blend comprising 5-20 wt. % aramid fibers, 5-20 wt. % cellulosic fibers, 30-50 wt. % modacrylic fibers, and 30-50 wt. % FR nylon fibers;

iii. the first yarns are predominantly exposed on the first side of the fabric;

iv. the second yarns are predominantly exposed on the second side of the fabric;

v. the fabric has a char length of 6 inches or less and an afterflame of 2 seconds or less when tested pursuant to ASTM D6413 (2015); and

vi. the fabric has a fabric weight that is between 5 to 9 ounces per square yard, inclusive.