Abstract:
A floating line or rope (1) consisting of two or more strands (3) of fibres of vegetable material or synthetic material such as hemp or nylon, and a buoyancy body/buoyancy bodies (2) arranged as a part of the rope. The floating line is manufactured by spinning according to the "laid rope" method whereby the buoyancy body/bodies (2) is/are arranged as the core of one or more strands (3), the fibres in the strand being spun around the buoyancy body/bodies.
Abstract:
An inflatable line includes strands, at least one being an inflatable bladder adapted to receive a fluid or a gas for making the line firm and less flexible. The strands form a rope of natural or synthetic fibers and the bladder is of a natural material, a synthetic material, rubber, nylon, plastic, or KEVLAR ® . A line system is also provided and includes the line and a pump fluidically connected to the bladder. The pump can be a hand pump having a bulb, a connecting tube fluidically connected to the bladder, and a valve fluidically connecting the bulb to the connecting tube for controlling inflation and deflation of the bladder. The connecting tube can be removably connected to the bladder and/or to the valve. The bulb can transmit air or fluid. The pump can be a compressed air pump with a compressed air container, for example, a CO 2 cartridge.
Abstract:
The invention concerns an elongate, flexible line (16) for providing a linkage between a first structure (10) and a second structure (14). The line may be a mooring line. It has an elongate tubular sheath (18) of braided material, the sheath being able to change reversibly and repeatedly in length and its braided structure being such that an increase in length of the sheath is accompanied by a decrease in its lateral dimension. Within the sheath is an impervious flexible bladder (28). The bladder defines a fluid-containing internal chamber (36) which is acted on by the sheath so that the volume of the chamber varies with the length of the sheath. A pressure source (42) is arranged to pressurise the chamber. A passage (40) communicates with the chamber and incorporates a restriction (44). In operation the pressurised bladder urges the sheath to expand laterally and so to contract in length. An increase in extension of the sheath causes fluid to be exhausted from the chamber through the restriction, increasing chamber pressure and providing a damping force opposed to the sheath's extension.
Abstract:
The invention provides a composite rope (10, 20) and mesh net (50) made therefrom. The composite rope (10, 20) comprises a plurality of outer fibre strands (14, 24) twisted or braided around an inner elongate core (12, 22) so as to provide the rope (10, 20) with increased durability. The inner elongate core (12, 22) extends at least partially in a helical configuration, and may comprise an expanded metal wire core having a helical configuration, alternatively a number of steel or synthetic elongate strands or filaments (26) wound to form a twisted cable in which each strand or filament (26) has a helical configuration. The mesh net (50) comprises a number of lengths of rope (52) knotted together at regular spaced intervals, with the net (50) being stretched and heat set during manufacture, and wherein the mesh net (50) includes at least some lengths of composite rope (1 0, 20) in accordance with the invention. The invention further provides for methods of using the mesh net (50).
Abstract:
An inflatable rope comprises three layers, a bladder, a sheath, and a fitted, perforated plastic bag to keep the inflatable rope in a compressed form. The compressed form can be hurled through the air at great distance to a person overboard. The inflatable rope can be inflated to a size that eases the ability of the person, who has lost dexterity in frigid water, to hold on to it for rescuing.
Abstract:
A sinking rope structure (100) that comprises an outer layer (1) and a core (10) consisting of a tubular sheath (2) closed transversally by a plurality of welded portions (3) in order to form filled chambers (4) arranged in series and separated by the welded portions (3). More in detail, the filled chambers (4) are filled with a filling material, generically a granular material or a liquid with specific weight higher than one to obtain a sinking rope. In particular, the method for making the core (10) is based on a vertical form-fill-seal process to obtain filled pouches in series.
Abstract:
A sinking rope structure (100) that comprises a coating layer (1) and a core (10) consisting of a tubular sheath (2) choked transversally by a plurality of choke portions (3) in order to form filled chambers (4) arranged in series and separated by the choke portions (3). More in detail, the filled chambers (4) are filled with a filling material, generically a loose material selected from the group comprised of : loose solid or liquid material (5) with specific weight higher than one to obtain a sinking rope. In particular, the method for making the core (10) of the sinking rope same ensures a production cost remarkably less than known sinking ropes present on the market and provides adjusting the size of the filled chambers (4) displacing simply the position of the transversal welding (3) in order to obtain a core with various size and then more or less flexible ropes responsive to the use to which they are destined.
Abstract:
An inflatable line includes strands, at least one being an inflatable bladder adapted to receive a fluid or a gas for making the line firm and less flexible. The strands form a rope of natural or synthetic fibers and the bladder is of a natural material, a synthetic material, rubber, nylon, plastic, or KEVLAR . A line system is also provided and includes the line and a pump fluidically connected to the bladder. The pump can be a hand pump having a bulb, a connecting tube fluidically connected to the bladder, and a valve fluidically connecting the bulb to the connecting tube for controlling inflation and deflation of the bladder. The connecting tube can be removably connected to the bladder and/or to the valve. The bulb can transmit air or fluid. The pump can be a compressed air pump with a compressed air container, for example, a CO2 cartridge.
Abstract:
A wire rope (10) includes a plurality of strands (12). The strands are formed from individual wires or filaments (14). The strands are wound about a central axis. A conduit (16) also extends along said central axis. The conduit has walls that are foraminous and permit radial flow of a lubricant. The lubricating compound is injected into the channel (18) defined by the conduit. The lubricating material migrates through the orifices in the conduit wall and radially outwardly therefrom.
Abstract:
A wire rope (10) includes a plurality of strands (12). The strands are formed from individual wires or filaments (14). The strands are wound about a central axis. A conduit (16) also extends along said central axis. The conduit has walls that are foraminous and permit radial flow of a lubricant. The lubricating compound is injected into the channel (18) defined by the conduit. The lubricating material migrates through the orifices in the conduit wall and radially outwardly therefrom.