Patent ID: 11872419
Assignee: OTEX SPECIALTY NARROW FABRICS, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC A  B  D | IPC A  B  D

Claim 0:
1. A self-retracting lifeline having leading edge capabilities, the self-retracting lifeline comprising:
a webbing comprising:, (a) a double cloth construction having (i) a first side having a plurality of warp yarns and weft yarns woven together, wherein the warp yarns are multifilament yarns comprised of ultra-high molecular weight polyethylene fibers; (ii) a second side having a plurality of warp yarns and weft yarns woven together, wherein the warp yarns are multifilament yarns comprised of ultra-high molecular weight polyethylene fibers; and (iii) a plurality of binder yarns extending between the first side and second side, whereby the binder yarns joins the first and second side together, wherein the first side of the double cloth has a face and the warp yarns of first side are predominantly exposed on the face relative to the weft yarns, and wherein the second side of the double cloth has a face and the warp yarns of the second side are predominantly exposed on the face relative to the weft yarns; and, (b) a plurality of stuffer yarns positioned between the first side and second side of the double cloth and extending in the warp direction, wherein the stuffer yarns are cords consisting of para-aramid fibers having a tensile strength of 2.0 GPa or greater, wherein multiple stuffer yarns are formed into plied yarns, and multiple plied yarns are twisted together to form the cords;
wherein the self-retracting lifeline meets or exceeds ANSI Standard Z359.14.