A braided textile sleeve having a flexible, seamless, reflective tubular wall and method of construction thereof are provided. The tubular wall extends along a longitudinal axis between opposite open ends and includes a first set of yarns and a second set of yarns braided with one another. The first and second yarns are provided as different types of yarns from one another and are braided in opposite helical directions with one another. The tubular wall includes a third set of yarns captured between the first and second sets of yarns, with the third set of yarns extending substantially parallel to the longitudinal axis. The sleeve includes a reflective outer layer fixed to an outer surface of the braided yarns.

A vision guide with a light guiding rod including rope member formed by twisting plural strands; light guiding rod of circumferentially light emitting type being adheringly wound around spiral indentations formed between strands on outer circumference of rope member with core layer made of acrylic-based resin and clad layer made of fluorine-based resin; and light source attached to end portion of light guiding rod, wherein amount of change luminance of light guiding rod in test time over duration of 1000 hours by accelerated weathering tester is contained within range of ±10%; amount of change in each numerical value of chromaticity [x, y] is contained within range of ±0.02; flexural modulus of elasticity of light guiding rod under atmosphere of −20 degrees Centigrade is contained at range of 0.5-5.0×10.sup.3 MPa; rope member is formed by twisting strands at twisting angle from 10°-20°; and spiral indentations are uniformly formed with pitch from 100 mm-200 mm.

A steel cord for the reinforcement of elastomer products such as elevator belts, conveyor belts, synchronous or timing belts or hoses or tyres is presented. The steel cord comprises strands and monofilaments made of steel filaments. The strands themselves are also made of steel filaments twisted together. The strands form the outer layer of the steel cord. The monofilaments are twisted into the cord with the same lay length and direction as the strands and are positioned in the valleys between the strands on the radial outer side of the steel cord. The steel cord has the advantage that it has a better fill factor and a rounder aspect. Furthermore the monofilaments may act as an early wear indicator of the elastomer product.

An exercise rope is disclosed. The exercise rope includes a weighted core. It further includes a first braided layer surrounding the weighted core, the first braided layer having yarns of a first ply. It further includes a second braided layer surrounding the first braided layer, the second braided layer having yarns of a second ply, the second ply being higher than the first ply. It further includes a third braided layer surrounding the second braided layer, the third braided layer having yarns of a third ply, the third ply being higher than the second ply. The second braided layer is coated with an adhesive.

An exercise rope is disclosed. The exercise rope includes a weighted core. It further includes a first braided layer surrounding the weighted core, the first braided layer having yarns of a first ply. It further includes a second braided layer surrounding the first braided layer, the second braided layer having yarns of a second ply, the second ply being higher than the first ply. It further includes a third braided layer surrounding the second braided layer, the third braided layer having yarns of a third ply, the third ply being higher than the second ply. The second braided layer is coated with an adhesive.

The invention relates to a rope having a length LR of at least 100 m, the rope comprising synthetic filaments with a filament tenacity of at least 1.0 N/tex, characterized in that a weight fraction χ of the total weight of synthetic filaments present in the load bearing core have a length LF of 0.01 m to 0.7*L.sub.R, wherein said weight fraction is at least 50 wt %. The invention further relates to an airborne wind power generation system comprising the rope as well as the use of the rope in an airborne wind power generation system wherein the length of the rope oscillates between a maximum length L.sub.max and a minimum length L.sub.min, wherein L.sub.max is at most 10,000 m and L.sub.min is at least 100 m and wherein the ratio of L.sub.max to L.sub.min is between 10 and 1.5.

A hoist system includes a wire rope cable having a first end and a second end. The wire rope cable further including multiple strands twisted into a helical shape. The hoist system further including a lifting mechanism configured to attach to the first end of the wire rope cable. The lifting mechanism including at least one of a rotating drum and a set of frictional rollers. The hoist system further including a motor configured to rotate the lifting mechanism; and a housing configured to house the lifting mechanism, the motor, and at least part of the wire rope cable.

A water safety rope and alarm system, comprising a rope mounted adjacent to a waterline of a marine or aquatic structure; a switch connected to the rope and configured to be triggered when the rope is tensioned; and an alarm connected to the switch and configured to produce an alarm signal when the switch is triggered.

There is described a hoisting system and method of lifting that make use of a particular fibre rope. The fibre rope includes a plurality of magnets that are embedded within the fibre rope and spaced apart along the rope with a known axial distance between the magnets. The system may include a fibre rope hoisting speed sensor, and a magnetic field sensor that can sense the presence of the magnetic field of the embedded magnets. Using the sensors, the hoisting speed of the rope may be determined by: measuring the time between the passing of consecutive magnets by using the magnetic field sensor; calculating the distance between consecutive magnets using the hoisting speed sensor and the measured time between the passing of the consecutive magnets; and comparing the calculated distance between the magnets with an original, predefined distance between the magnets.

The present invention generally relates to the detection of the discard state of high-strength fiber ropes. The invention relates to a device for detecting the discard state of high-strength fiber ropes for various operating conditions, wherein a rope core of the fiber rope is sheathed with a rope sheath which is intended to wear more quickly than the rope core, comprising an optical detection device for detecting the rope surface and/or a load spectrum counter for detecting the load cycles to which the fiber rope is subjected, and on the other hand to a lifting gear such as a crane comprising such a device. According to the invention, there is provided a detection device for detecting the light absorption coefficient and/or the degree of reflection of the rope sheath and an adaptation device for adapting the algorithm, by means of which the discard state is determined, in dependence on the detected light absorption coefficient and/or the detected degree of reflection.