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| Number | Title | Issue Date |
| 8196611 | Pipe A pipe comprising an outer rigid conduit and an inner tubular structure, the inner tubular structure comprising a flexible hose, wherein the hose comprises a tubular body disposed between inner and outer gripping members, the tubular body including a sealing layer, ... | 06/12/2012 |
| 7434599 | Hose and method of producing the same A hose and a method of producing the same. The hose includes a tubular resin inner layer, a metal plating layer formed on an outer peripheral surface of the resin inner layer, and a resin outer layer formed on an outer peripheral surface of the metal plating layer, ... | 10/14/2008 |
| 7407372 | Progressing cavity pump or motor A progressing cavity pump or a motor includes, in one embodiment, an outer tube 12, an inner tube 14, and a plurality of apertures 16. A pair of annular seal glands 18 seal the stator material to the outer tube. The stator material is inj... | 08/05/2008 |
| 7357968 | Reinforced, high pressure, low permeation multilayer hose A reinforced, high pressure hose is disclosed for use in the transport of high pressure fluids. The hose includes a multilayered inner tube capable of prolonged exposure to fluids such as those containing hydrocarbons, and a reinforcement layer overlaying the inner ... | 04/15/2008 |
| 7316548 | Stator for an eccentric screw pump or an eccentric worm motor operating on the Moineau principle The invention relates to a stator for an eccentric screw pump or an eccentric worm motor having a stator, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow space, in the shape of a double or multiple spiral, ... | 01/08/2008 |
| 7311123 | Flexible tubular pipe A flexible tubular pipe comprising a metal carcass helically coiled about a longitudinal axis of said flexible pipe and the carcass comprises a seamed profiled hollow tube. ... | 12/25/2007 |
| 7281547 | Multi-layered flexible tube A multi-layered tube comprising a first inner polymeric tubular structure, a second foamed polymeric structure containing a plurality of short or long reinforcing elements dispersed therein and, optionally, a third cover layer on the outer surface of the reinforcing... | 10/16/2007 |
| 7244890 | Low cost shielded cable manufactured from conductive loaded resin-based materials Shielded cable devices are formed of a conductive loaded resin-based material. Non-insulated conductors with shields, coaxial shielded cables, twisted pair shielded cables, and multi-wire shielded cables are described. The conductive loaded resin-based material incl... | 07/17/2007 |
| 7160593 | Polyefinic pipe having a chlorinated polyolefinic hollow core A multi-layered pipe of arbitrary length and cross-section is produced by co-extrusion of a lower polyolefin (C2–C4) outer body over the exterior surface of a tubular core of randomly, partially randomly, or blocky chlorinated lower polyolefi... | 01/09/2007 |
| 7156127 | Current carrying stretch hose An improved flexible hose for carrying fluids is disclosed. The hose has a first end and a second end, and is typically in a retracted position when no tensile force placed on an end of the hose and in an extended condition when a tensile force of a pulling nature i... | 01/02/2007 |
| 7131827 | Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle The invention relates to a stator for an eccentric screw pump or an eccentric worm motor, including an outer tube that is provided with a lining of rubber or a rubber-like material and has a hollow space or cavity, in the shape of a double or multiple spiral, for ac... | 11/07/2006 |
| 7102077 | Low cost electromagnetic energy absorbing, shrinkable tubing manufactured from conductive loaded resin-based materials Electromagnetic energy absorbing, shrinkable tubing are formed of a conductive loaded resin-based material. The conductive loaded resin-based material has micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers i... | 09/05/2006 |
| 7081287 | High performance thermoplastic vulcanizate A high performance thermoplastic hose useful as a power steering hose, the high performance thermoplastic hose comprising a high performance engineering thermoplastic such as polyurethane and a chlorine-containing polyolefin such as chlorinated polyethylene, chlorin... | 07/25/2006 |
| 7069956 | Marina piping A marina pipe includes a flexible conduit resistant to mechanical stresses, the conduit adapted to surround the secondarily contained flexible piping. The conduit comprises a metallic core and a thermoplastic jacket. The secondarily contained flexible piping compris... | 07/04/2006 |
| 7069955 | Flexible armoured pipe and use of same An armoured flexible pipe consists of an inner liner (3), which surrounds a carcass (1, 2). On the other side of the inner liner (3) there are two armour layers, where the innermost (5, 6) is a pressure armour layer, while the outermost (... | 07/04/2006 |
| 7055553 | Laminated hose construction having one or more intermediate metal barrier layers A laminated fluid transfer hose construction having one or more intermediate metal barrier layers is provided, as well as, a hose assembly employing the laminated hose construction and coupling means. The inventive hose construction demonstrates improved barrier pro... | 06/06/2006 |
| 7040351 | Plastic tube, especially a pneumatic tube A plastic hose, and more particularly a pneumatic hose, is provided with at least two electrical conductors extending along the hose body. These conductors are in the form of strips (11 and 12) of a metallized braid of plastic material or of natural fi... | 05/09/2006 |
| 7004203 | Insulated heating and/or sanitation pipe The heating and/or sanitation pipe comprises an inner pipe (12) made of a plastic material and a metal corrugated pipe (14) surrounding the inner pipe (12) at a radial distance {circle around (R)}). Further, the heating and/or sanitation pipe is... | 02/28/2006 |
| 7003951 | Hydraulic system In a hydraulic system (1) for motor vehicles in particular, comprising a master cylinder (4), a slave cylinder (5) and a hydraulic medium line (15) connecting the two, the flexibility and hydraulic rigidity are improved by the fact that t... | 02/28/2006 |
| 6988515 | Ultra-low permeation hose and method of manufacture An object of the present invention is to provide ultra-low permeation hoses which have at the interior thereof a refrigerant barrier layer that consists in large part of a metal layer and is capable of conforming to hose deformation, which have an excellent resistan... | 01/24/2006 |
| 6978806 | Armored, flexible pipe and use of same A flexible, armoured pipe has an impermeable inner liner (3), which is surrounded by at least two reinforcement layers (5, 6, 7, 8). Between the reinforcement layers an impermeable membrane (10) is provided, which ensures that fluids do not perm... | 12/27/2005 |
| 6966344 | Device for limiting the lateral buckling of armouring plies of a flexible pipe For limiting the lateral buckling of tensile armor plies of an underwater flexible pipe, that can be used in the offshore oil industry, the plies include from the outside inward, at least one external polymer sheath, a first outward retention layer of a defined thic... | 11/22/2005 |
| 6959736 | Multilayer pipe and method for manufacturing one A multilayer pipe which comprises at least an inner layer and an outer layer. The inner layer is made of extrudable plastic, such as polyethylene PE, cross-linked polyethylene PEX or polypropylene PP. The outer layer forms a fire-protecting layer and the matrix plas... | 11/01/2005 |
| 6959735 | Multilayer flexible hose The present invention relates to a multilayer flexible hose, preferably for fuel or coolant lines in an automotive vehicle, comprising a support layer and a metallic barrier layer which is fixedly connected to said support layer, and to a method of producing the sam... | 11/01/2005 |
| 6953062 | Fuel tank or fuel pipe excellent in corrosion resistance and method for producing the same The present invention provides a fuel tank or a fuel pipe excellent particularly in the corrosion resistance of the outer surface in a salt damage environment, and is a fuel tank or a fuel pipe excellent in corrosion resistance characterized by: being formed by usin... | 10/11/2005 |
| 6941975 | Refrigerant hose A hose suitable for use in refrigerant systems. The hose has a barrier layer formed of at least two layers of thermoplastic resin. At least one of the layers is a vinyl resin. The resins are selected so that the hose has a permeation rate of virtually zero. ... | 09/13/2005 |
| 6915820 | Automotive fluid tubing, especially for fuel and hydraulic fluid An automotive fluid tubing, especially for gasoline, diesel fuel or hydraulic fluid, and composed of metal can be provided with a tube coating of aluminum and then a polyamide 12 layer which is extruded onto the aluminum coating. The polyamide extruded layer greatly... | 07/12/2005 |
| 6901968 | Fluid conduit The present invention relates to a fluid conduit, and to a multi-conduit umbilical for use in the transportation of chemicals with small molecular size and shape e.g. methanol ethanol and other hydrocarbon fluids used in the oil industry. The conduit comprises a fle... | 06/07/2005 |
| 6889718 | Armoured, flexible pipe and use of same Flexible, armored pipes and methods of using the same are disclosed. In an exemplary embodiment, the flexible, armored pipe includes an inner liner which is surrounded by a pressure armor. The inner liner may be built-up by joining together profiles that have a numb... | 05/10/2005 |
| 6889717 | Flexible conduit with pressure vault interlocked from below A flexible tubular pipe comprising at least, from the inside outwards, an internal sealing sheath made of a polymer material, a cylindrical pressure vault having an external face and having an internal face placed over the internal sheath. The vault is a winding, in... | 05/10/2005 |
| 6878873 | Damping sleeve with resilient support members A damped sleeve having a damping layer attached to a backing layer is disclosed. The damping layer is formed from a non-woven energy absorbing felt and is attached to the backing layer by lines of attachment which define pockets between the layers. The layers are po... | 04/12/2005 |
| 6849314 | Fluoropolymer blends and multilayer articles Disclosed are various fluoropolymer blend combinations and multilayer articles comprising a blend in a first layer and a second layer comprising a polymer bonded to the first layer. The invention also provides an article comprising a first layer comprising a blend o... | 02/01/2005 |
| 6838141 | Hose A hose of a laminated structure which comprises a rubber layer composed of a rubber composition, and a laminate including a metal foil and a resin, the rubber composition including: (A) a rubber including at least one of an ethylen... | 01/04/2005 |
| 6830076 | Self-compensating hybrid combination ducts A hose assembly for coupling a plurality of components in fluid connection and a method for making same. According to a first aspect of the invention, the hose assembly includes at least one rigid portion and at least one flexible portion which cooperate to permit t... | 12/14/2004 |
| 6807989 | Flexible cord-like hollow object A flexible cord-like hollow object for the transportation of media is provided with an inner zone enclosed by a casing having an inner layer, a middle layer and an outer layer. A barrier layer, which is impermeable to volatile molecules of the medium to be transport... | 10/26/2004 |
| 6739355 | Armoured, flexible pipe and use of same Flexible, armored pipes and methods of using the same are disclosed. In an exemplary embodiment, the flexible, armored pipe includes an inner liner which is surrounded by a pressure armor. The inner liner may be built-up by joining together profiles that have a numb... | 05/25/2004 |
| 6729355 | Reinforced flexible hose A reinforced flexible hose, especially a shower hose, being comprised of a thin-walled reinforced inner hose, at least one outside outer hose, at least one helical support between the inner hose and the outer hose, and reinforcement bands which are oriented in the h... | 05/04/2004 |
| 6692804 | High strength extruded tubular product and method for making said product Using a balanced flow path, multiple layers of extruded plastic are supplied to a chamber having independently rotating surfaces. Said rotating surfaces apply a shear force to at least the inner and outer layers of said extruded plastic to orient said mat... | 02/17/2004 |
| 6689440 | Metal tubing coated with multiple layers of polymeric materials A coated metal tubing arrangement comprises a metal tube. An inner layer of a first polymeric material is bonded to the tube to provide corrosion protection. The first polymeric material has a high crystallinity, a dampening factor of less than 0.05, and ... | 02/10/2004 |
| 6668866 | Flexible, armoured pipe and use of same An armoured flexible pipe consists of an inner liner (3), on the inside of which a carcass (1) is provided, while the outer side of the inner liner is surrounded by a layer of pressure armour and a layer of tensile armour, which in turn are surrounded by ... | 12/30/2003 |
