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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7431053 | Inner-space-sectioned tubes and method for manufacturing the same An inner-space-sectioned tube wherein, in manufacturing the tube having four or more independent fluid channels formed inside thereof, while at least two lengths of inner tubes are set to inscribe an outer tube, cold working is applied, which is a simple manufacturi... | 10/07/2008 |
| 7422035 | Flat pipe suitable for variable flow capacity A flat pipe with variable flow capacity comprises a main body shaped as a flat tube wherein opposing ridges are installed at the inner upper and lower positions of the main body, and thin-film spacers are installed between said pairs of ridges, forming multiple pass... | 09/09/2008 |
| 7302936 | Line system for fluids having volatile components A line system (1) for fluids having volatile components, which comprises at least one fluid line (2,3,4), each having a separate inlet (10) and outlet (11), the fluid lines (2,3,4) being enclosed by a first line wall (12) an... | 12/04/2007 |
| 7302972 | Thermo-insulated flexible tubing A water supply line includes a cylindrical and ductile outer tube that has a centrally aligned axis. An inner tube is concentrically spaced about the axis of the outer tube and has a length coextensively sized therewith. The inner tube is equidistantly spaced inward... | 12/04/2007 |
| 7156126 | Pipe insert and pipe assembly formed therewith A synthetic resin pipe insert for insertion in an existing pipe or for use in the manufacture of new pipe to form a multi-channel pipe. The insert has a curved cross sectional configuration which defines a segment of a circle with a convexly curved radially outer wa... | 01/02/2007 |
| 7104068 | Turbine component with enhanced stagnation prevention and corner heat distribution Aspects of the invention relate to a system for reducing stagnation between substantially adjacent components while providing enhanced heat distribution properties in the corners and edges of the components. Each component is generally hollow and has two walls dispo... | 09/12/2006 |
| 7044211 | Method of forming heat exchanger tubing and tubing formed thereby A method of forming tubing with integral fins oriented parallel to its length, and to a heat exchanger tube produced by such a method. The invention involves extruding a tube so that the tube has at least one internal longitudinal passage, an external surface having... | 05/16/2006 |
| 7028484 | Nested channel ducts for nozzle construction and the like A multiple conduit system for a gas turbine engine, the multiple conduit system extending between a plurality of conduit inlet and outlets. A channel is formed in a surface of a gas turbine engine component, and the channel is adapted for conveying a fluid flow from... | 04/18/2006 |
| 7013928 | Peritoneal dialysis catheter A peritoneal dialysis catheter having an inflow conduit and an outflow conduit. Each conduits are linearly mated and contoured to cooperatively define a substantially circular cross sectional profile along a medial, trans-abdominal segment, but separating perhaps in... | 03/21/2006 |
| 6913236 | Component mounting track A mounting track for electrical components including a base that is designed to attach a track to a support surface. A wall extends from the base to a mounting rail. The rail includes a number of large tool receiving apertures located directly above mounting apertur... | 07/05/2005 |
| 6889713 | Peritoneal dialysis catheter A peritoneal dialysis catheter having an inflow conduit and an outflow conduit. Each conduits are linearly mated and contoured to cooperatively define a substantially circular cross sectional profile along a medial, trans-abdominal segment, but separating perhaps in... | 05/10/2005 |
| 6876797 | Fire resistant conduit insert for optical fiber cable A flexible fire resistant innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through w... | 04/05/2005 |
| 6774308 | Wire termination box assembly and associated method of installation A system, device and method are claimed for installing electrical switches and electrical plug connectors in a wall, without the use of junction boxes. The system uses prefabricated switch assemblies and/or receptacle assemblies. These assemblies contain either a sw... | 08/10/2004 |
| 6718100 | Fire resistant conduit insert for optical fiber cable A flexible fire resistant innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through w... | 04/06/2004 |
| 6668864 | Conduit assembly and method of installation A conduit assembly for a partition for receiving wires, hoses, or cables. The conduit assembly includes passages and foaming material, which expands on the outer surface of the conduit assembly. The conduit assembly is arranged in a through hole, which is... | 12/30/2003 |
| 6659134 | Peritoneal dialysis catheter A peritoneal dialysis catheter with two, linearly mated conduits contoured to cooperatively define a substantially circular cross sectional profile along a medial, trans-abdominal segment, but separating on either end of the medial, trans-abdominal segmen... | 12/09/2003 |
| 6582011 | Vehicle cross car beam A plastic cross car beam for a motor vehicle includes first and second members joined together at sealing points to form at least two ducts. The cross sectional shapes of the ducts are essentially constant along the length of the cross car beam and shaped... | 06/24/2003 |
| 6510870 | Fluid conveying tube as well as method and device for manufacturing the same A fluid conveying tube for a vehicle cooler comprises at least two longitudinal ducts, each comprising two opposite, longitudinal primary heat exchange surfaces. At least one primary surface in each duct of the tube has a projecting surface structure. In ... | 01/28/2003 |
| 6491580 | Individual room duct and ventilation system for livestock production building The present invention relates to a duct and ventilation system for livestock production buildings. The building comprises a plurality of containment rooms for livestock, a pit beneath the room, an attic above the rooms, a ventilation duct for each room an... | 12/10/2002 |
| 6460574 | Sewer pipe structures and their method of construction A sewer pipe structure and associate method of construction includes a storage tank connectable to an inflow pipe to receive an inflow of sewage and connectable to an outflow pipe through which the sewage can exit the storage tank. The sewer pipe structur... | 10/08/2002 |
| 6448497 | Cable tray and walkway system Devices and systems for housing cables and conduits. An exemplary cable tray is described having a number of interconnectable base members fashioned of pliable elastomer that are designed to be disposed upon a rooftop, floor or other support surface. The ... | 09/10/2002 |
| 6431218 | Multi-lumen hose with at least one substantially planar inner partition and methods of manufacturing the same A multi-lumen hose including a corrugated peripheral wall including an interior area and having an inner surface which defines a diameter, and at least one substantially planar inner partition extending from the inner surface across at least half of the d... | 08/13/2002 |
| 6394142 | Multi-lumen hose with at least one substantially planar inner partition and methods of manufacturing the same A multi-lumen hose including a corrugated peripheral wall including an interior area and having an inner surface which defines a diameter, and at least one substantially planar inner partition extending from the inner surface across at least half of the d... | 05/28/2002 |
| 6390135 | Conduit assembly and method of installation A conduit assembly for a partition for receiving wires, hoses, or cables. The conduit assembly includes passages and foaming material, which expands on the outer surface of the conduit assembly. The conduit assembly is arranged in a through hole, which is... | 05/21/2002 |
| 6246820 | Device for placing a structural element in a cable installation conduit in order to sub-divide it In a device for placing a structural element in a cable installation conduit in order to sub-divide it, the structural element has a width close to the size of the internal perimeter of the conduit and comprises a plate surmounted by ribs. The device comp... | 06/12/2001 |
| 6190349 | Splittable multiple catheter assembly and methods for inserting the same A multiple lumen catheter assembly and methods for inserting the same are provided. The assembly includes a splittable membrane joining a first catheter and a second catheter for allowing the catheters to be at least partially longitudinally split from ea... | 02/20/2001 |
| 6167916 | Multi-purpose underground utility conduit system A method of housing various utility services within a single unitary structure includes the steps of disposing such services within an integral longitudinal conduit having sub-conduits, each corresponding to a utility service or utility service group to b... | 01/02/2001 |
| 6123112 | Fluid line with integrated unpressurized return flow The invention relates to a fluid conduit (9) for hydraulic regulating devices of machines, in particular turbo machines, preferably of industrial turbines, the fluid conduit (9) comprising at least one pressure-transmitting inner conduit (4), which is sur... | 09/26/2000 |
| 6095197 | Pipe coupling stiffener A pipe coupling stiffener is adapted for insertion in each open end of first and second pipes being connected in a sealed manner in a water or sewer line for reinforcing the pipe connection without affecting flow characteristics of a medium carried by the... | 08/01/2000 |
| 6044844 | Mask and harness assembly A mask and harness assembly (10). The assembly (10) includes a mask (12) a harness (14) including at least one strap (16) connected to the mask (12) and at least one fluid delivery tube (18) connected to, and in fluid communication with, the mask (12). Th... | 04/04/2000 |
| 6039080 | Machine frame for the meat processing industry and tube profile The invention relates to a machine frame for the meat processing industry, which can be assembled at least partly from tube profile parts, which tube profile parts can be loaded and the outside of which comprises at least one guide surface for guiding mac... | 03/21/2000 |
| 6003559 | Pipe-in-a-pipe bundle apparatus A piping system for conveying one or more product flow lines within an outer casing includes a layer of insulation on each of the product flow lines to prevent heat lost and an improved spacer arrangement forming an interface between the product flow line... | 12/21/1999 |
| 5996634 | Stress-bearing umbilicus for a compact centrifuge A stress-bearing umbilicus for conveying fluid between a stationary body and a rotating body comprises an umbilicus body made from an extruded first polyester elastomer material having flexibility. A support block, made from a second polyester elastomer m... | 12/07/1999 |
| 5947953 | Splittable multiple catheter assembly and methods of inserting the same A multiple lumen catheter assembly and methods for inserting the same are provided. The assembly includes a splittable membrane joining a first catheter and a second catheter for allowing the catheters to be at least partially longitudinally split from ea... | 09/07/1999 |
| 5941284 | Channel housing with curving channels, and a manufacturing method therefor The present invention provides a channel housing comprising curving channels whereby complex and varied channels can be compactly contained. Plural curving channels that must be connected to plural valves, for example, are formed by partitioning walls forming ... | 08/24/1999 |
| 5927346 | Concrete pipes and methods for the manufacture thereof A concrete pipe and methods for forming the same are presented by this invention. The pipe includes an inner and outer sleeve separated by a spacer ring which creates a void therebetween. Concrete is poured within this void to solidify the pipe structure.... | 07/27/1999 |
| 5924456 | Tubular section member, in particular for use as a fluid flow duct A tubular section member for use as a fluid flow hose or as an admission or exhaust silencer, characterized in that it includes internal partitions or ribs (12) which are corrugated in shape in cross-section, which are interconnected by an axial core (16)... | 07/20/1999 |
| 5878786 | Otangular fitting family for flat-oval duct systems and method for making same An apparatus for converting a conventional rectangular HVAC duct to a flat oval shaped duct where a conventional rectangular duct fitting is provided with a converting means to convert the opening from rectangular to a flat oval. The converting means is f... | 03/09/1999 |
| 5865243 | Heat exchanger In a flat tube formed by machining a brazing sheet, ridges 12a-12c are formed at each of the opposing flat portions 11a and 11b of the flat tube 4 along the lengthwise direction of the flat tubes so that the ridges contact the inner surfaces of each of th... | 02/02/1999 |
| 5819806 | Channel housing with curving channels, and a manufacturing method therefor The present invention provides a channel housing comprising curving channels whereby complex and varied channels can be compactly contained. Plural curving channels that must be connected to plural valves, for example, are formed by partitioning walls forming ... | 10/13/1998 |
