Patent ID: 11873587
Assignee: SOUTHERN MILLS, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D  Y | IPC D

Claim 0:
1. A fabric formed by first yarns and second yarns, wherein the fabric has a first fabric side and a second fabric side opposite the first fabric side and wherein:
i. the first yarns comprise a first fiber blend comprising aramid fibers, modacrylic fibers, and 5-15% cellulosic fibers;
ii. the aramid fibers and the modacrylic fibers of the first fiber blend constitute at least 70% of the first fiber blend;
iii. the first fiber blend comprises more modacrylic fibers than aramid fibers;
iv. the second yarns comprise a second fiber blend that is different from the first fiber blend and that comprises aramid fibers and non-FR cellulosic fibers;
v. the second fiber blend is devoid of modacrylic fibers;
vi. the second fiber blend comprises at least 50% non-FR cellulosic fibers;
vii. the first yarns are predominantly exposed on the first fabric side;
viii. the second yarns are predominantly exposed on the second fabric side;
ix. 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);
x. the fabric has a fabric weight between 5 to 7 ounces per square yard, inclusive; and
xi. the fabric has an arc rating of at least 8 cal/cm2 when tested pursuant to ASTM F1959 (2014).