Abstract:
A plurality of first fibers and a plurality of second fibers are provided. A coefficient of friction of the second fibers is greater than a coefficient of friction of the first fibers. Abrasion resistance characteristics of the second fibers are greater than abrasion resistance properties of the first fibers. A gripping ability of the second fibers is greater than a gripping ability of the first fibers. The first fibers and the second fibers are passed through a convergence duct such that the first fibers pick up the second fibers. A false twist is imparted to the combination of the plurality of first fibers and the plurality of second fibers. The false twist is removed from the combination of the plurality of first fibers and the plurality of second fibers to form the blended yarn.
Abstract:
A rope structure has a plurality of link structures each defining first and second ends and at least one organizer member. Each first end comprises at least first and second bend portions, and each second end comprises at least third and fourth bend portions. The first end of a first one of the plurality of link structures and the second end of a second one of the plurality of link structures engages the at least one organizer member such that the first and second bend portions of the first end of the first one of the plurality of link structures are substantially parallel to each other and substantially perpendicular to the third and fourth bend portions of the second end of the second one of the plurality of link structures.
Abstract:
A method for non-destructively estimating a current physical condition of a cordage product in-service is described. The method involves obtaining sensor data associated with the cordage product while in-service handling a load. The sensor data includes any combination of cordage product elongation data, applied load data, and diametric data. The method further includes determining an axial stiffness value associated with the cordage product based on the sensor data and estimating a health state of the cordage product based on the determined axial stiffness value. The estimated health state is indicative of the current physical condition of the cordage product.
Abstract:
A fiber structure for forming a rope structure has a base matrix of base fiber material and at least one lubricity portion of lubricity material. The lubricity material determines a lubricity of at least a portion of a surface of the fiber structure.
Abstract:
A rope structure of the present invention comprises a plurality of first yarns and a plurality of second yarns. The first yarns are formed of at least one material selected from the group of materials comprising HMPE, LCP, Aramids, and PBO, have a breaking elongation of approximately 2%-5%, and have a tenacity of approximately 25-45 gpd. The second yarns are formed of at least one material selected from the group of materials comprising polyolefin, polyethylene, polypropylene, and blends or copolymers of the two, have a breaking elongation of approximately 2%-12%, and have a tenacity of approximately 6-22 gpd. The first and second yarns are combined to form rope sub-components. The rope sub-components comprise approximately 20-80% by weight of the first yarns.
Abstract:
A rope structure adapted to engage an intermediate structure while loads are applied to ends of the rope structure comprises a primary strength component and a coating. The primary strength component comprises a plurality of fibers adapted to bear the loads applied to the ends of the rope structure. The coating comprises a mixture of a lubricant portion and a binder portion. The lubricant portion comprises particles having an average size of within approximately 0.01 microns to 2.00 microns. The binder portion is applied to the primary strength portion as a liquid and dries to support the lubricant portion relative to at least some of the fibers. The matrix supports the lubricant portion such that the lubricant portion reduces friction between at least some of the plurality of fibers and between at least some of the plurality of fibers and the intermediate structure.
Abstract:
A rope structure has a plurality of link structures each defining first and second ends and at least one organizer member. Each first end comprises at least first and second bend portions, and each second end comprises at least third and fourth bend portions. The first end of a first one of the plurality of link structures and the second end of a second one of the plurality of link structures engages the at least one organizer member such that the first and second bend portions of the first end of the first one of the plurality of link structures are substantially parallel to each other and substantially perpendicular to the third and fourth bend portions of the second end of the second one of the plurality of link structures.
Abstract:
A rope structure comprises a plurality of link structures each defining first and second ends. Each link structure is formed of synthetic fibers. Each first end comprises at least first and second bend portions. Each second end comprises at least third and fourth bend portions. The first end of a first one of the plurality of link structures engages the second end of a second one of the plurality of link structures such that the first and second bend portions of the first end of the first one of the plurality of link structures are substantially parallel to each other and substantially perpendicular to the third and fourth bend portions of the second end of the second one of the plurality of link structures.
Abstract:
A rope structure adapted to engage an intermediate structure while loads are applied to ends of the rope structure comprises a primary strength component and a coating. The primary strength component comprises a plurality of fibers adapted to bear the loads applied to the ends of the rope structure. The coating comprises a mixture of a lubricant portion and a binder portion. The lubricant portion comprises particles having an average size of within approximately 0.01 microns to 2.00 microns. The binder portion is applied to the primary strength portion as a liquid and dries to support the lubricant portion relative to at least some of the fibers. The matrix supports the lubricant portion such that the lubricant portion reduces friction between at least some of the plurality of fibers and between at least some of the plurality of fibers and the intermediate structure.
Abstract:
A rope structure adapted to engage a bearing structure while under load comprises a plurality of fibers, a matrix, and lubricant particles. The plurality of fibers is adapted to bear the loads applied to the ends of the rope structure. The matrix surrounds at least a portion of some of the plurality of fibers. The lubricant particles are supported by the matrix such that at least some of the lubricant particles are arranged between at least some of the fibers to reduce friction between at least some of the plurality of fibers and at least some of the lubricant particles are arranged to be between the bearing structure and at least some of the plurality of fibers to reduce friction between the bearing structure and at least some of the plurality of fibers.