Abstract: A system for assembling roofing at ground level has an adjustable-length center frame separating a first assembly side from a second assembly side; a first cantilevered gantry on the first assembly side and a second cantilevered gantry on a second side, each cantilevered gantry moveable along the length of the center frame; a plurality of outrigger beams coupled to opposing ends of the center beam, each outrigger beam having a catwalk thereon; a first joist railing and a second joist railing on each assembly side, each joist railing configured to receive an end of an open web joist; and a base frame comprising a plurality of wheels. Once the roofing section has been assembled, hoisting the assembled roofing section to the top of a structure.

Abstract: An optical waveguide adapter assembly comprises a solid core optical waveguide extending between a free end and a coupled end and having a solid waveguiding core with an associated first optical mode field size; a hollow core optical waveguide extending between a free end and a coupled end and having a hollow waveguiding core with an associated second optical mode field size; and an optical mode field adapter extending between a first end and a second end and having a waveguiding core configured to change an optical mode field of a waveguided optical signal substantially between the first optical mode field size at the first end of the optical mode field adapter and the second optical mode field size at the second end of the optical mode field adapter.

Abstract: A terminator for an optical fibre cable including at least one microstructured optical fibre comprises: a hollow terminating member with a closed end and an opposite open end configured for cooperation with a severed end of an optical fibre cable; and a tubular collar having a first end into which the open end of the terminating member is received in a sealed manner, and an opposite second end to receive the severed end of the optical fibre cable for cooperation with the open end of the terminating member, the second end having an internal diameter which is reducible to seal the tubular collar around the optical fibre cable.

Abstract: An optical waveguide adapter assembly comprises a solid core optical waveguide extending between a free end and a coupled end and having a solid waveguiding core with an associated first optical mode field size; a hollow core optical waveguide extending between a free end and a coupled end and having a hollow waveguiding core with an associated second optical mode field size; and an optical mode field adapter extending between a first end and a second end and having a waveguiding core configured to change an optical mode field of a waveguided optical signal substantially between the first optical mode field size at the first end of the optical mode field adapter and the second optical mode field size at the second end of the optical mode field adapter, the first end of the optical mode field adapter joined to the coupled end of the solid core optical waveguide to provide optical coupling between the waveguiding core of the solid core optical waveguide and the waveguiding core of the optical mode field adapter

Abstract: An optical fibre assembly comprises a hollow core optical waveguide comprising a hollow core surrounded by a structured arrangement of longitudinally extending capillaries providing an inner cladding surrounded by an outer cladding; a diagnostic solid core optical waveguide comprising a solid core surrounded by a cladding, and extending substantially parallel to the hollow core optical waveguide; and a jacket surrounding both the hollow core optical waveguide and the solid core optical waveguide and forming a common mechanical environment for the hollow core optical waveguide and the solid core optical waveguide. The optical fibre assembly may be or may comprise or be included in an optical fibre cable, and may be used in a method for testing hollow core optical waveguides.

Abstract: An optical fibre assembly comprises a hollow core optical waveguide comprising a hollow core surrounded by a structured arrangement of longitudinally extending capillaries providing an inner cladding surrounded by an outer cladding; a diagnostic solid core optical waveguide comprising a solid core surrounded by a cladding, and extending substantially parallel to the hollow core optical waveguide; and a jacket surrounding both the hollow core optical waveguide and the solid core optical waveguide and forming a common mechanical environment for the hollow core optical waveguide and the solid core optical waveguide. The optical fibre assembly may be or may comprise or be included in an optical fibre cable, and may be used in a method for testing hollow core optical waveguides.

Abstract: A system for assembling roofing at ground level has an adjustable-length center frame separating a first assembly side from a second assembly side; a first cantilevered gantry on the first assembly side and a second cantilevered gantry on a second side, each cantilevered gantry moveable along the length of the center frame; a plurality of outrigger beams coupled to opposing ends of the center beam, each outrigger beam having a catwalk thereon; a first joist railing and a second joist railing on each assembly side, each joist railing configured to receive an end of an open web joist; and a base frame comprising a plurality of wheels. Once the roofing section has been assembled, hoisting the assembled roofing section to the top of a structure.

Abstract: A method of processing glass filament comprises: providing a length of glass filament from which a portion is to be separated from the remainder of the filament; directing energy onto the filament in order to cause a decrease in a width of the filament at a desired location for separation of the portion; and causing relative longitudinal movement between the portion and the remainder of the filament to separate the portion from the remainder of the filament at the desired location.

Abstract: A system for assembling roofing at ground level has an adjustable-length center frame separating a first assembly side from a second assembly side; a first cantilevered gantry on the first assembly side and a second cantilevered gantry on a second side, each cantilevered gantry moveable along the length of the center frame; a plurality of outrigger beams coupled to opposing ends of the center beam, each outrigger beam having a catwalk thereon; a first joist railing and a second joist railing on each assembly side, each joist railing configured to receive an end of an open web joist; and a base frame comprising a plurality of wheels. Once the roofing section has been assembled, hoisting the assembled roofing section to the top of a structure.

Abstract: A system for assembling roofing at ground level has an adjustable-length center frame separating a first assembly side from a second assembly side; a first cantilevered gantry on the first assembly side and a second cantilevered gantry on a second side, each cantilevered gantry moveable along the length of the center frame; a plurality of outrigger beams coupled to opposing ends of the center beam, each outrigger beam having a catwalk thereon; a first joist railing and a second joist railing on each assembly side, each joist railing configured to receive an end of an open web joist; and a base frame comprising a plurality of wheels. Once the roofing section has been assembled, hoisting the assembled roofing section to the top of a structure.

Abstract: An optical fibre assembly comprises a hollow core optical waveguide comprising a hollow core surrounded by a structured arrangement of longitudinally extending capillaries providing an inner cladding surrounded by an outer cladding; a diagnostic solid core optical waveguide comprising a solid core surrounded by a cladding, and extending substantially parallel to the hollow core optical waveguide; and a jacket surrounding both the hollow core optical waveguide and the solid core optical waveguide and forming a common mechanical environment for the hollow core optical waveguide and the solid core optical waveguide. The optical fibre assembly may be or may comprise or be included in an optical fibre cable, and may be used in a method for testing hollow core optical waveguides.

Abstract: An optical waveguide adapter assembly comprises a solid core optical waveguide extending between a free end and a coupled end and having a solid waveguiding core with an associated first optical mode field size; a hollow core optical waveguide extending between a free end and a coupled end and having a hollow waveguiding core with an associated second optical mode field size; and an optical mode field adapter extending between a first end and a second end and having a waveguiding core configured to change an optical mode field of a waveguided optical signal substantially between the first optical mode field size at the first end of the optical mode field adapter and the second optical mode field size at the second end of the optical mode field adapter, the first end of the optical mode field adapter joined to the coupled end of the solid core optical waveguide to provide optical coupling between the waveguiding core of the solid core optical waveguide and the waveguiding core of the optical mode field adapter

Abstract: A roof vehicle has a chassis, a plurality of motor-driven wheels coupled to the chassis, a man-basket coupled to the chassis, wherein the man-basket is moveable on a y-axis and is configured to lower to an elevation beneath that of the plurality of motor-driven wheels, a deck for transporting equipment, and a power supply. A method for assembling and installing a roof involves moving the roof vehicle to the desired location on the roof of a structure, lowering the man-basket at least partially beneath the surface roof, and performing work (e.g., welding) to secure the roof to the structure of the building.

Abstract: A roof vehicle has a chassis, a plurality of motor-driven wheels coupled to the chassis, a man-basket coupled to the chassis, wherein the man-basket is moveable on a y-axis and is configured to lower to an elevation beneath that of the plurality of motor-driven wheels, a deck for transporting equipment, and a power supply. A method for assembling and installing a roof involves moving the roof vehicle to the desired location on the roof of a structure, lowering the man-basket at least partially beneath the surface roof, and performing work (e.g., welding) to secure the roof to the structure of the building.

Abstract: A roof vehicle has a chassis, a plurality of motor-driven wheels coupled to the chassis, a man-basket coupled to the chassis, wherein the man-basket is moveable on a y-axis and is configured to lower to an elevation beneath that of the plurality of motor-driven wheels, a deck for transporting equipment, and a power supply. A method for assembling and installing a roof involves moving the roof vehicle to the desired location on the roof of a structure, lowering the man-basket at least partially beneath the surface roof, and performing work (e.g., welding) to secure the roof to the structure of the building.

Abstract: A system for assembling roofing at ground level has an adjustable-length center frame separating a first assembly side from a second assembly side; a first cantilevered gantry on the first assembly side and a second cantilevered gantry on a second side, each cantilevered gantry moveable along the length of the center frame; a plurality of outrigger beams coupled to opposing ends of the center beam, each outrigger beam having a catwalk thereon; a first joist railing and a second joist railing on each assembly side, each joist railing configured to receive an end of an open web joist; and a base frame comprising a plurality of wheels. Once the roofing section has been assembled, hoisting the assembled roofing section to the top of a structure.

Abstract: A system for assembling roofing at ground level has an adjustable-length center frame separating a first assembly side from a second assembly side; a first cantilevered gantry on the first assembly side and a second cantilevered gantry on a second side, each cantilevered gantry moveable along the length of the center frame; a plurality of outrigger beams coupled to opposing ends of the center beam, each outrigger beam having a catwalk thereon; a first joist railing and a second joist railing on each assembly side, each joist railing configured to receive an end of an open web joist; and a base frame comprising a plurality of wheels. Once the roofing section has been assembled, hoisting the assembled roofing section to the top of a structure.

Abstract: A method of using conveyor belts for hydroponic growing includes distributing seeds onto at least one conveyor belt, watering the seeds on the conveyor belt, providing lighting to the conveyor belt to facilitate photosynthesis of the seeds thereon, advancing the conveyor belt in intervals as the seeds sprout and grow, and harvesting the sprouts at the end of the conveyor belt.

Abstract: A roof vehicle has a chassis, a plurality of motor-driven wheels coupled to the chassis, a man-basket coupled to the chassis, wherein the man-basket is moveable on a y-axis and is configured to lower to an elevation beneath that of the plurality of motor-driven wheels, a deck for transporting equipment, and a power supply. A method for assembling and installing a roof involves moving the roof vehicle to the desired location on the roof of a structure, lowering the man-basket at least partially beneath the surface roof, and performing work (e.g., welding) to secure the roof to the structure of the building.

Abstract: A system for assembling roofing at ground level has an adjustable-length center frame separating a first assembly side from a second assembly side; a first cantilevered gantry on the first assembly side and a second cantilevered gantry on a second side, each cantilevered gantry moveable along the length of the center frame; a plurality of outrigger beams coupled to opposing ends of the center beam, each outrigger beam having a catwalk thereon; a first joist railing and a second joist railing on each assembly side, each joist railing configured to receive an end of an open web joist; and a base frame comprising a plurality of wheels. Once the roofing section has been assembled, hoisting the assembled roofing section to the top of a structure.