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WO/2004/019374A2 |
A method for metallurgically joining a tube to a member. A tube (118) is obtained having a longitudinal axis (120) and having an end portion (122), wherein the end portion includes a fold (124), and wherein the fold includes longitudinal...
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WO/2004/018136A1 |
A method for joining a tube (510) to a member (512). A tube (510) having a flange (514) is obtained, and a member (512) is obtained. The tube and the member are positioned with the flange contacting the member either directly or indirect...
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WO/2004/018176A1 |
The invention relates to a method and equipment for producing pipe−couplings and a pipe−coupling with improved sealing made this way, with the help of said improved sealing of junctions of plastic pressure pipes (8) and plastic fitti...
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WO/2004/019376A2 |
A method for metallurgically joining a tube (510) to a member (570). A tube (510) having a segmented (590) flange (514).
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WO/2004/019377A2 |
A method for metallurgically joining a tube (510, 542) to a member. A resistance welding/brazing current is created through the flange (514, 544) and the member using at least the electrode wheel creating a seam weld/braze zone (134) whi...
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WO2003054429B1 |
The invention relates to a joint assembly for connecting together fiberglass cylindrical pipe and duct sections (1) up to about one hundred and twenty inches in diameter. An internal tubular slip collar (5) fits into opposing sections jo...
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WO/2004/015321A1 |
There are disclosed methods of and apparatus for interconnecting lined metal pipes (110, 120), applying in particular to the offshore oil and gas industry. Corrosion is a common problem in the industry. Lining pipes overcomes the problem...
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WO/2004/015322A1 |
The sleeve for a press-fitting for a tube made from plastic or a plastic/metal composite material, comprises a sleeve body (16) made from a soft metal, a soft metal alloy or plastic. The sleeve is furthermore provided with a wax coating ...
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WO/2004/011840A1 |
A pipe liner connector (1) suitable for connecting pipe sectors (2) that comprise a liner (3) is described. The pipe liner connector (1) comprise vents (13, 18) and/or venting grooves (12) which act to balance the pressure between the mi...
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WO/2004/011835A2 |
A pipe coupling including coaxially aligned pipes (24), an internal tubular metal sleeve (20) having opposed ends press-fit into the open ends of the pipes, channel-shaped grooves (28) rolled into an outside diameter of each of the pipes...
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WO/2004/010163A1 |
An improved method of permanantly marking the location of a tubular joint comprises creating a cavity (3) into the end surface of one of the tubular ends that are to be joined by a forge weld or screw thread connection, inserting a marke...
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WO/2004/005665A2 |
An expandable coupling arrangement for coupling first and second tubulars includes a male thread portion on an end of the first tubular and a female thread portion on an end of the second tubular. The thread portions comprise dovetail th...
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WO/2003/106876A2 |
An end fitting connector having an axial bore through which a fluid is conveyed, comprises: a stem portion (12, 12) which includes a first tubular body having a first annular rim disposed at a distal end of the first tubular body, wherei...
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WO/2003/104703A1 |
Down weldable steel pipes and their welding joint method are provided in which a weld even in the lower portion can be performed in a downward position inside the pipes by cutting an inside edge in the lower portion of the pipes so that ...
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WO/2003/089162A2 |
A threaded connection for a conduit is disclosed. The connection includes a male member having threads on it defining a load flank lead (14), a stab flank lead (12) and a nominal lead (10). A female member has threads thereon adapted to ...
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WO/2003/078881A1 |
The invention lies within the field of manufacturing and assembling pipelines with full-length inner anti-corrosion coating (except the ends of pipes), and it may be used for anti-corrosion protection of welded joint's inner surfaces. Th...
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WO2001098701A9 |
A composite pipe assembly comprises a pipe (4), a housing (6) comprising a tubular portion (8), said tubular portion being disposed around the outside of the pipe (4), and a tubular forge member (10) having an outer surface. The forge me...
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WO/2003/076839A1 |
The invention relates to a pipe connection comprising at least one preferably ring-shaped sealing disk element (4) used for connecting pipes, especially pipes that are made of different materials and have different diameters. The inner d...
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WO/2003/071180A1 |
A metal tube end connection structure capable of remarkably increasing a connection strength by preventing the connection strength from being lowered by heat, wherein a cylindrical connection member (26) having a step part with an outer ...
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WO/2003/064912A1 |
Disclosed is a press connection comprising a washer (3) which is inserted into a groove (2a) on the outside (2h) of a fitting (2) and is elastically deformed by a pipe end (1a). The outer circumference (d) of the undeformed washer (3) is...
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WO/2003/062691A1 |
An insert (10) for use in connecting two length of pipe each of use has a plastic liner. The insert consists of an inner tubular member (12) of plastics material for connection at either end to the liners of two pipe length's, an insulat...
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WO/2003/058108A1 |
A female connector (1; 101; 201) for connecting at least two stiff metal pipes (2) and a piping system obtained with the use of said female connector are described. The female connector is made of cast iron by smelting or casting and is ...
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WO/2003/056226A1 |
End connection for pipes of a rigid, but deformable material, and comprising a pipe casing (1) protruding into the pipe end (15), which pipe casing is rotationally symmetric around a longitudinal axis (9) and which is made in a relativel...
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WO/2003/052311A1 |
The invention relates to a pipe connection, comprising a metallic press-fitting with at least one section for housing a sealing element, embodied with a bead-shaped cross-section. Said sealing element (3) comprises a cross-section which ...
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WO/2003/050386A1 |
A thread for expandable downhole tubular connections is disclosed. It features a locking pattern on the pin and box, which engages upon expansion of the connection. The locking pattern compensates for longitudinal shrinkage away from a t...
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WO/2003/050442A2 |
An end fitting (10) for a tubular member (40) and a method of applying an end fitting (10) to a tubular member (40), according to which an end portion of the tubular member (40) is placed in an annular space defined between an outer ferr...
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WO/2003/047785A1 |
A hydroformable frame element is formed from the combination of at least two elements (12, 14). The at least two elements are designed with a partially overlapping region, with an annular space (20) defined within the overlapping region....
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WO/2003/042590A1 |
A butt-wrap joint, comprising a plurality of wraps 520¿1? - 520¿n? of material wetted with a thermosetting resin and wrapped circumferentially about two abutting pipe ends101, 201. The first wrap is disposed relative to the respective ...
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WO/2003/036150A1 |
A first tube (10) has an end portion (11) with a socket (12) that is tapered by a frustoconical wall (20) that ends with a radially extending land (22). A copper brazing ring (27) is disposed on the land. An end portion (42) of a second ...
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WO/2003/032331A2 |
A radially expandable tubular connection including a box member (131) having an internal thread (132) and a first seal surface (134B) and a pin member (130) having an external thread and a second seal surface (134A). The external thread ...
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WO/2003/014611A1 |
The invention relates to a method for production of a metal press fitting element, comprising at least one section embodied in the form of a bead for housing a sealing element and a cylindrically-embodied section connected thereto, facin...
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WO/2003/004917A1 |
The invention relates to a pipe press coupling which, when in a pressed state, connects at least one end area (10) of a pipe to a supporting sleeve (12), which is placed inside the pipe end, by means of a press sleeve (22) that is axiall...
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WO/2003/004918A1 |
The invention relates to a connecting element for a conduit system, which can be coupled to at least one pipe (50) of said conduit system. Said connecting element comprises a pressure sleeve (40) limiting an insertion hole (41) for the p...
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WO/2002/085606A2 |
The invention relates to a connecting element for welding onto a circular front face of a pipe, said element having an annular region, (friction region), that can be friction welded to said front face. The connecting element can be welde...
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WO/2002/077510A1 |
The invention relates to a pipe connector, using a pipe the connecting end of which is greatly widened, to such a degree that the internal diameter of the connection end is the same dimension as the inner diameter of a pipe of the next s...
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WO/2002/077507A2 |
A method of welding together the ends of outer pipe sections (16A, 16B) of pipe-in-pipe pipeline to be laid on a seabed employs an annular member (5) interposed between adjacent lengths of pipe. The annular member comprises a first axial...
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WO/2002/059518A1 |
The invention relates to a pipe coupling, comprising at least one metal, rotationally symmetrical hollow coupling body having a profiled inner surface and configured in such a way that it can receive a metal pipe; at least one rotational...
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WO/2002/033212A1 |
The present invention provides a cement shoe assembly (100) for use on a string of tubulars in a well. In one aspect of the invention, the cement shoe assembly includes a housing (110) having a lower portion (160) with an enlarged inside...
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WO/2002/030653A2 |
Method of applying a heat activatable covering (24) to an area of a substrate coated with a heat sensitive coating (14,16) that has a melting point or a softening temperature lower than an activation temperature for the covering (24). Th...
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WO/2002/025161A1 |
An internal swage fitting (10, 40) for swaging a tube. The fitting (10, 40) includes a tube connection region (20, 50) with one or more radial grooves (22) and an expansion cavity (26) at the end adjacent to the end of the tube to be swa...
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WO/2002/016069A1 |
A combination mechanical and metallurgical connection is provided for joining members such as conduits (10, 20) wherein amorphous diffusion bonding material (40) is placed at mating or abutting surfaces (34, 36) in the mechanical joint, ...
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WO/2002/004854A1 |
The invention concerns a conduit having at least an end portion (2) forming a connecting section on a rigid connection piece (7) and comprising an inner tubular sleeve (5) made of elastic material. The invention is characterised in that ...
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WO/2002/000385A1 |
The invention relates to a method for limiting the temperature, when welding the ends of two tubes, in the region of the tube material close to the weld seam. The invention ensures that the temperature in said region is effectively contr...
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WO/2001/092807A1 |
The invention concerns a manifold block for a heat exchanger. It comprises walls (10, 12) which delimit a chamber, one of the walls of the chamber being provided with an orifice (30), a pipe (32) being connected to the orifice (30). The ...
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WO/2001/086154A1 |
A method of forming a fluid tight seal between a first fluid pathway (22) and a second fluid pathway (12) comprising the steps of: defining a volume (18) between an outer surface of the first fluid pathway (14) and an inner surface of th...
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WO/2001/086155A1 |
A adaptor for receiving a fluidic device (12) and facilitating connection of the device (12) to a similar device or other object, the device having defined therein at least one fluid pathway (24), the adaptor being capable of receiving f...
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WO/2001/084033A1 |
A steel pipe with enlarged joints having dual-purpose for flexible and rigid connection, which is connected to another in a manner of insertion, is characterized in that, the steel pipe has a socket end and a plug end having special size...
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WO/2001/073330A2 |
A fitting for pressure coupling plastics material pipes comprises a fitting body (2) with a support metal ring (13) which can be engaged at one side on the fitting body (2) and, on the other side, on a pressing bushing (9) which can be p...
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WO/2001/072464A1 |
A method of interconnecting a pair of metal oilfield tubulars having complementary tapered edges (3, 6) with a common contact surface when the tubulars are interconnected, is provided. The method comprises providing the tapered edge of a...
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WO/2001/069116A1 |
The invention relates to a press-fitted pipe joint that comprises a substantially cylindrical metal press fitting element (1, 1', 12, 12') and a thin-walled, metal conduit pipe (6) insertable into it, which are used to produce a nondetac...
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