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| Number | Title | Issue Date |
| 7731247 | Device for connecting and blocking hollow elements for the formation of fluid distribution plants The invention relates to a device for connecting and blocking hollow elements used as piping for fluids, both gaseous and liquids, The hollow elements (11,13) are connectable by plugs or anchoring plates (19) and connecting plate (21), engaging ... | 06/08/2010 |
| 7434848 | Threaded tubular connection having interlocking tubular end structures A tubular connection having a first joint having outer threads and an inner bore, and a second joint having outer threads and an inner bore. The tubular connection further includes an outer nut having inner threads that cooperate with the outer threads of the first ... | 10/14/2008 |
| 7431341 | Pipe liner connector A pipe liner connector suitable for connecting pipe sections that comprise a liner is described. The pipe liner connector comprise vents and/or venting grooves which act to balance the pressure between the micro-annulus, formed between the liner and the pipe section... | 10/07/2008 |
| 7404686 | Snap fitting for joining component parts of an article of assembly A snap-fit arrangement for joining component parts, such as tubular sections and fittings includes a male coupling and a female coupling. A portion of the male coupling extends from one component part and includes cantilever prongs with enlarged heads. The exposed p... | 07/29/2008 |
| 7367362 | System and method for pipe repair A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber str... | 05/06/2008 |
| 7344161 | Connection of internally lined pipelines An insert for use in connecting two lengths of pipe, each having a plastic liner. The insert consists of an inner tubular member of plastics material for connection at either end to the plastic liners of two pipe lengths, an insulating sleeve surrounding a central p... | 03/18/2008 |
| 7344163 | Trunking sections and coupling therefor A section of trunking (20) has sides (22) which define a channel (34). Edge portions (32) of sides (22) are shaped so as to form further channels (34); Lid (26) has surface (29) and edge portions (30) wh... | 03/18/2008 |
| 7225523 | Method for coupling and expanding tubing An expandable tubing assembly comprises a tubular connector defining overlapping longitudinal slots, the connector comprising end portions and an intermediate portion. The slots extend over the whole length of the connector, but the only slot overlap occurs in the i... | 06/05/2007 |
| 7159475 | Apparatus and method of sampling semivolatile compounds An apparatus and method for sampling semivolatile compounds is disclosed. A collection bag is placed around an air conditioning vent on an aircraft. An opening in the collection bag receives air from the air conditioning vent into the bag. An exit in the collection ... | 01/09/2007 |
| 7143481 | Fixing ring for flexible pipe to manhole joint The object of the present invention that a fixing ring is provided, which has annular ring form made of strip materials and is mounted in a bore or on a outside surface of flexible joints for piping, and not only has compact form and structure but also can be adjust... | 12/05/2006 |
| 7118136 | Sleeve-type pipe joint A sleeve-type pipe joint 10 has a joint body 11 having a cylindrical projection 12 adapted to be inserted into a pipe 40 to be connected; a ring member 20 having a larger inner diameter than an outer diameter of the pipe 40;... | 10/10/2006 |
| 7104574 | Corrugated pipe connection joint A corrugated pipe connection joint structure and method for connecting two sections of corrugated pipe. The joint structure includes opposing bell-formed ends with reduced corrugations, a connector insert including a gasket on either end and a push-ring. The gasket(... | 09/12/2006 |
| 7025388 | Method and apparatus for forming leak-proof coupling for beverage distribution system A method and apparatus is provided for forming a leak proof coupling between two thin walled metallic ends in a beverage distribution system. The pipe ends are prepared by cutting the ends and ensuring that the cross-section of the ends are round. An alignment devic... | 04/11/2006 |
| 7004669 | Internal V-band clamp A system for clamping two tubular members together in an end-to-end relationship uses a split ring with a V-shaped outer rim that can engage a clamping surface on each member. The split ring has a relaxed closed state where the ends of the ring are adjacent and the ... | 02/28/2006 |
| 7004513 | Pipe coupling methods A pipe coupling method includes an inlet insert, a clamping ring, a clamp and the forming of a flange on an end of two adjacent pipes. A clamping ring includes an inner groove sized to receive the flanges of the two adjacent pipes. A first end of the inlet insert is... | 02/28/2006 |
| 6953194 | Expandable band and locking mechanism The expandable band is used to secure a sealing element within a generally cylindrical structure, such as a pipe or manhole, or other round hole. The expandable band includes a band body having a first band end portion and a second band end portion. The first band e... | 10/11/2005 |
| 6926283 | Metal-to-metal sealing system An annular metal-to-metal sealing system comprises at least one metal member defining an annular sealing surface and an annular seal body which is comprised of a high strength metal material and which is positioned substantially concentrically relative to the annula... | 08/09/2005 |
| 6869080 | Metal-to-metal sealing system A metal-to-metal sealing element for a wellhead assembly which includes at least first and second adjacent components and first and second generally annular sealing surfaces that are each formed on a corresponding one of the components. The sealing element comprises... | 03/22/2005 |
| 6832786 | Tubular member coupling device A device for coupling tubular members including a sheet member having a first end and a second end where the first end and the second end are operatively arranged to overlap one another to form a substantially cylindrically shaped coupling, an abutment member mounte... | 12/21/2004 |
| 6769721 | Molded plastics tubular couplings A molded plastic tubular coupling including a plastic sleeve having an integral head at one end. The sleeve provides a cylindrical outer surface to engage in a corresponding bore of another component. The cylindrical outer surface has an encircling annular recess an... | 08/03/2004 |
| 6709021 | Tubular member coupling device A device for coupling tubular members including a sheet member having a first end and a second end where the first end and the second end are operatively arranged to overlap one another to form a substantially cylindrically shaped coupling, an abutment member mounte... | 03/23/2004 |
| 6692039 | Internal conduit sealing installation A sealing installation mountable in the interior of a conduit. The installation includes a resilient connector sleeve having connector sealing assemblies at opposite ends of the sleeve. A first seal sleeve has seal sleeve sealing assemblies on opposite en... | 02/17/2004 |
| 6679528 | Device for quick connection of a tube protected joint to a rigid element The device for quickly coupling a tube to an element comprises a tubular endpiece (1) subdivided along its axis (2) into a first portion (3) for connecting to the tube and a second portion (4) for coupling to the element (100), and fastening means (3.1, 1... | 01/20/2004 |
| 6648375 | Pilot insert seal for a tube fitting A cylindrical thin walled tube with a through bore extending its entire axial length between first and second opposed ends is individually mounted in a bore in a fitting, with an end portion of the tube extending outward from a land surface on the fitting... | 11/18/2003 |
| 6620316 | Modular system for putting together different sized filter elements A modular system for putting together different sized filter elements, especially filter elements having different lengths, more particularly filter devices for hydraulic fluids, comprising a support tube that defines an inner cavity in the corresponding ... | 09/16/2003 |
| 6581978 | Connector tube for a turbine rotor cooling circuit A tubular connector adapted to extend between two tubular components comprising a tubular body having an internal diameter, a first free end including an annular radial flange having a tapered surface adapted to engage a complementary seating surface on a... | 06/24/2003 |
| 6561521 | Metal-to-metal seal with soft metal insert An annular metal-to-metal sealing system, for use in wellhead systems and having many other uses, has a metal member defining an annular internal or external sealing surface for which sealing is intended. An annular seal body composed of high strength met... | 05/13/2003 |
| 6539715 | Turbocharger swivel connector A 90° swivel connector capable of rotating 360° has threads on one end that screw into a threaded hole in a boss on a compressor portion of a turbocharger and has barbs on the other end of the swivel connector for receiving and retaining a hose. The 360... | 04/01/2003 |
| 6450547 | Pipe coupling for plastic pipes A pipe coupling according to the invention comprises a socket (2) of glass-fiber reinforced plastics material and a membrane (4) of elastic material which is formed at at least one end as a seal and comprises a sleeve section (8). Where the membrane is fo... | 09/17/2002 |
| 6322111 | Self-sealing coupling connector for air ducts An air duct installation joins the ends of two air ducts together using a self-seal coupling connector. The coupling connector has a band with first and second edges and inside and outside surfaces. First and second gaskets are provided, with each gasket ... | 11/27/2001 |
| 6293098 | Method and apparatus for joining pressurized exhaust manifold sections A joint assembly for a pressurized, multi-sectional exhaust manifold comprising a joint member, tubular in cross section having a first end and a second end and a throughbore extending therethrough, the outer circumference of the joint member being less t... | 09/25/2001 |
| 6273634 | Connector for an expandable tubing string A connector for interconnecting a pair of adjacent sections of an expandable tubing string includes a plastically expandable sleeve that is arranged co-axially around or inside the ends of the interconnected tubing sections and a series of circumferential... | 08/14/2001 |
| 6193239 | Tube joint A tube joint is described which facilitates the connection of tubes having different internal diameters or calibers, simply by exchanging a nut member, an insert bush and a collar member for another nut member, another insert bush and another collar membe... | 02/27/2001 |
| 6179349 | Modular pipeline connector A system of elements for the formation of pipelines in units for channeling and distributing a gaseous or liquid fluid that is under pressure or under vacuum. The pipelines are created starting from an extruded section pipe with a four-sided cross section... | 01/30/2001 |
| 6170883 | Tubular element with sealing means and a method for manufacturing the tubular element A tubular element has a sealing ring mounted at an end of the tubular element. The sealing ring has a base clamped against the outer surface of the tubular element. Further, the sealing ring has a sealing lip adapted to seal against an inner surface of an... | 01/09/2001 |
| 6131956 | Pipe coupling A pipe coupling comprises a cylindrical pipe, whose smooth end section can be slipped onto a fitting that has at least one sleeve-like area extending in the longitudinal direction At least one sealing ring is arranged between the pipe and the fitting. The... | 10/17/2000 |
| 6059338 | Pipe connection A pipe connection includes a pipe having a smooth-ended end portion pushed onto a sleeve-like region of a fitting. The fitting includes a stop at one end of the sleeve-like region. A seal is arranged between the sleeve-like region of the fitting and the p... | 05/09/2000 |
| 6024056 | Cooling water passage structure in water cooled type V-shaped internal combustion engine A cooling water passage structure for connecting cooling water passages in cylinders forming a V-shape in a water cooled type V-shaped internal combustion engine. A front cooling water passage of a front cylinder communicates with a front cooling water pa... | 02/15/2000 |
| 5996636 | Tube joint A tube joint includes a joint body having a through hole to serve as a fluid passage provided along a direction of an axis, a nut member for connecting a tube to the joint body, and an insert bush inserted and fitted to an opening of the joint body and ha... | 12/07/1999 |
| 5988691 | Fluid pipelines Means for securing a polymer liner to the inner surface of a pipe comprises an end piece consisting of a hub portion and a corrosion resistant metallic insert. The polymer hub is fusion welded to the end of the liner, and the metallic insert is seal welde... | 11/23/1999 |
