A yarn tensioning system (1) for keeping at least one yarn (2) which is taken from a yarn storage system (3) to a yarn take-off system (4) of a weaving machine under tension, comprising a brake roller (5) around which the yarn (2) is at least partially wound and a motor (6) for supplying a torque to the brake roller (5), which is actuable in generator operation to keep the yarn (2) under tension between the brake roller (5) and the yarn take-off system (4). In addition, a weaving machine comprising such a yarn tensioning system (1) and a method for keeping at least one yarn (2) under tension which is taken from a yarn storage system to a yarn take-off system.

A yarn tensioning system (1) for keeping at least one yarn (2) which is taken from a yarn storage system (3) to a yarn take-off system (4) of a weaving machine under tension, comprising a brake roller (5) around which the yarn (2) is at least partially wound and a motor (6) for supplying a torque to the brake roller (5), which is actuable in generator operation to keep the yarn (2) under tension between the brake roller (5) and the yarn take-off system (4). In addition, a weaving machine comprising such a yarn tensioning system (1) and a method for keeping at least one yarn (2) under tension which is taken from a yarn storage system to a yarn take-off system.

A method of and apparatus for the rapid deployment of a fracturing water transferring system, along with the rapid picking up and storage of such system after use. In different embodiments the method in includes the use of a tensioning system to retrieve one or more segments of lay flat hose.

A method of and apparatus for the rapid deployment of a fracturing water transferring system, along with the rapid picking up and storage of such system after use. In different embodiments the method in includes the use of a tensioning system to retrieve one or more segments of lay flat hose.

A tie down apparatus wherein a center leg of each of a pair of load springs is mounted in the space between a pair of drum pins, which space receives and holds a tied down strap. Each load spring is fixedly attached to a respective one of first and second ratchet wheels and a circular plate is positioned within each ratchet wheel and configured to rotate through a selected arc with respect to each ratchet wheel to limit the pre-load applied to the load springs.

A tie down apparatus wherein a center leg of each of a pair of load springs is mounted in the space between a pair of drum pins, which space receives and holds a tied down strap. Each load spring is fixedly attached to a respective one of first and second ratchet wheels and a circular plate is positioned within each ratchet wheel and configured to rotate through a selected arc with respect to each ratchet wheel to limit the pre-load applied to the load springs.

A process and apparatus for separating a carbon filament tow into a set of reduced filament count bundles. The process includes feeding a tow of carbon filaments into a guide array, mechanically splitting the tow within the guide array into filament bundles, removing a coating from the filament bundles, feeding the filament bundles into a guide pin assembly to separate the filament bundles with a reduced filament count from one another, applying a false twist to the filament bundles to loosen individual filaments then recombining the individual filaments of each filament bundle into a re-bundled ribbon. Coatings may be applied to each re-bundled ribbon prior to winding each re-bundled ribbon onto a take-up.

A process and apparatus for separating a carbon filament tow into a set of reduced filament count bundles. The process includes feeding a tow of carbon filaments into a guide array, mechanically splitting the tow within the guide array into filament bundles, removing a coating from the filament bundles, feeding the filament bundles into a guide pin assembly to separate the filament bundles with a reduced filament count from one another, applying a false twist to the filament bundles to loosen individual filaments then recombining the individual filaments of each filament bundle into a re-bundled ribbon. Coatings may be applied to each re-bundled ribbon prior to winding each re-bundled ribbon onto a take-up.

Yarn-tension influencing device for a twisting or cabling machine for feeding a yarn via a traversing yarn guide to a take-up package, the yarn-tension influencing device having a first deflection roller, arranged downstream of a yarn handling device in the yarn transport direction and is provided for guiding the yarn from a balloon yarn guide through the yarn handling device and for deflecting the yarn; a second deflection roller, arranged downstream of the first deflection roller in the yarn transport direction and is provided for further deflection of the yarn; a third deflection roller, arranged downstream of the second deflection roller in the yarn transport direction and is provided for adjusting the angle of wrap of the yarn around an advance roller; and an advance roller, arranged downstream of the third deflection roller in the yarn transport direction and is provided for regulating the yarn tension. The yarn handling device is a yarn clamping and cutting device, and a sensor device is provided for monitoring the yarn, the second deflection roller being arranged on a plane different from a horizontal plane formed by the axis of rotation of the first deflection roller.

The invention relates to a system of spinning yarn that comprises a filament feed system configured to vary the tension applied to at least two continuous filaments before the filaments are introduced to a roving and twisted to form a yarn. The invention allows the filaments to be introduced to the roving when under tension, under no tension, or when under slack at set distances from the roving centre line by a specialized two filament guide.