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WO/1998/036199A1 |
A method of forming a structural member by connecting end-to-end first and second tubular structures, each tubular structure comprising an inner tubular member (1a, 1b) located within a co-extending outer tubular member (3a, 3b), the inn...
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WO/1998/034061A1 |
The invention concerns an underwater pipeline comprising in particular a single metal tube (10) and an impermeable covering sheath for thermal insulation. The covering sheath comprises at least an external layer, made from a material wit...
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WO/1998/033639A1 |
A system for joining a pair of abutted thermoplastic end portions (38, 40) utilizes a transparent sleeve (116) extending around the outer surface of the tubular end portions (38, 40) to be joined and a mandrel (150) on the inner surface....
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WO/1998/031958A2 |
The present invention relates to a method for making a metal pipe connection (6) in the form of an intermediate tube for connecting a pipe made of a first material (7) to another pipe made of a second material (8) by means of ring-shaped...
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WO/1998/025065A1 |
Apparatus comprising a micro engineered structure and a capillary or other small bore tube and a method for connecting the tube to the structure. The micro engineered structure is composed of at least one substrate (2) in which fluid flo...
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WO/1998/022690A1 |
A connector for interconnecting a pair of adjacent sections (8 and 9) of an expandable tubing string comprises a plastically expandable sleeve (6) that is arranged co-axially around or inside the ends (7) of the interconnected tubing sec...
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WO/1998/022744A1 |
A pipe connector (1) for a multi-layer composite pipe, the pipe comprising at least one reinforcing layer (13, 14), or layer of high axial strength, at least one inner thermoplastic layer (9, 10) and at least one outer protective layer (...
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WO/1998/022248A1 |
A bonding method capable of easily securing a joint of a two-phase stainless steel having a high strength and a high corrosion resistance comprises the steps of applying cold working to at least a portion of a two-phase stainless steel n...
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WO/1998/021513A1 |
Two outer steel pipes (16 and 16A) are each lined by corrosion resistant lining pipes (18 and 18A) of compressible plastics material which stop short of the ends (20, 20A) of the outer pipes to leave an annular recess or counterbore (24 ...
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WO/1998/019805A1 |
Process for connecting a metal tube (2) provided with an elastic plastic coating (3) to a member (5) provided with a tube-like portion (6) having outer dimension which is substantially equal to the inner dimension of the tube (2), which ...
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WO/1998/019092A1 |
The invention relates to a pipe coupling with a cylindrical pipe, the smooth end portion of which can be introduced into a fitting having at least a sleeve-like area extending longitudinally and wherein a seal ring is mounted between the...
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WO/1998/018879A1 |
A microencapsulatable solvent adhesive composition for coupling plastic conduits, such as pipes, connectors and related fittings comprises a water-insoluble polymer and a mixture of volatile organic solvents for the polymer, each of the ...
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WO/1998/019093A1 |
The invention relates to a pipe coupling with a cylindrical pipe, the smooth end portion of which can be introduced in a fitting having at least a sleeve-like area extending longitudinally and wherein a seal ring is mounted between the o...
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WO/1998/015766A1 |
A conduit connection joint is formed to connect a tube (10) and afitting body (12) in fluid tight relation. The joint is made by axially compressing the tube (10) in a bore (14) in the fitting body (12) so as to cause formation of a firs...
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WO/1998/013574A1 |
Welded drill pipes for application in the civil engineering and relative procedure for the elimination of the internal flash. The pipes, manufactured by friction welding of the sections of the pipe and the tool joints, are characterized ...
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WO/1998/012004A1 |
A process is disclosed for joining a pipe end which consists at least at the inner side of the pipe of a plastically deformable plastic material, to a pipe coupling with a bearing sleeve (3) surrounded by a pressing sleeve (4). Annular g...
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WO/1998/011377A1 |
This invention concerns a pipe fitting which consists of a press fitting of corrosion-resistant material which has at least one section extending outwards or inwards and having a seal ring and a cylindrical area adjacent to it. This cyli...
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WO/1998/008017A2 |
A coupling device for joining pipe ends has at least one pressing sleeve which can be slipped on a pipe end and pressed together with the pipe end. The pressing sleeve is elastically designed in the area of its inner surface pressed on t...
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WO/1998/005896A1 |
In order to butt-weld pipes, in particular tubular outer conductors (2, 3) of a gas-insulated tubular conductor system for energy-transmission purposes, a tubular ring (4), which is provided with a peripheral groove (5) and onto which th...
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WO/1998/005897A1 |
An undetachable pipe joint uses a sealing element (3, 18, 22), a pressing sleeve (4) and a supporting sleeve (1).
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WO/1998/004862A1 |
A pipe joint consists of a press fitting (1) with at least a section with a bead-like cross-section which receives a sealing ring (3) and an adjacent cylindrical area (4) provided at one end with a flange-shaped recess (6) which forms a ...
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WO/1998/003797A1 |
A method and apparatus for coupling tubular elements (12, 14, 16, 18, 20 and 22) of a frame (10) without welding or adhesive bonding. Connection elements (24, 26 and 28) are used with which mechanical connections may be accomplished by r...
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WO/1997/047908A1 |
The invention discloses a quick connection device for a fluid conduit under pressure, in particular for motor vehicles, comprising a metal sleeve (10) of which a first end comprises packing (18) moulded onto it and is fitted over an enla...
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WO/1997/042440A1 |
A process is disclosed for producing a pipe press-fitted connection which consists of a press-fitting with a stop and a smooth-ended pipe section which can be pressed therein. Once the pipe section is cut, the cut end is trimmed and if r...
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WO/1997/041377A1 |
A tubing connector non-releasably connected to a tube of tubing string for use downhole in oil and gas well operations, the connector comprising connector body (1) with an end portion fitted concentrically within or over a corresponding ...
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WO/1997/040306A1 |
A tube (28) and fitting assembly (22) for pressurized fluids is provided which may provide a fluid-tight seal up to the bursting pressure of the tube (28) at relatively high temperatures. The tube (28) and fitting assembly (22) includes ...
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WO/1997/038807A1 |
The invention relates to a process for producing a region of greater wall thickness in a longitudinal hollow section (1) which, to this end, is subjected to a radial and axial pressure and plastically deformed thereby. The hollow section...
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WO/1997/032153A1 |
The invention relates to a pipe connection in a pipe whose smooth-ended end section is pushed onto a metal fitting which has at least one sheath-like region extending lengthways and provided with a stop element located at the start of th...
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WO/1997/031215A1 |
A muff (3) for connecting the pipe parts (1, 2) has an internal diameter which widens in stepped manner from the centre of the muff towards its ends. Sealing rings (4, 5) and axially displaceable pressure rings (16, 17, 18, 19, 20) are d...
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WO/1997/031214A1 |
A mechanical joint tube assembly (10) and method of creating the same is disclosed for providing an improved fluid fitting assembly. A fitting (12) having a primary tapered bore (70) is forced onto tube (14) that has a larger diameter. T...
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WO/1997/028395A1 |
A method for sealingly coupling a component (10) and a part that are both intended to receive a liquid. The component has at least one planar surface (26) provided with at least one port (22, 24) for the liquid, and the part (30; 40; 50)...
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WO/1997/026478A1 |
Proposed is a concrete, stoneware or cast pipe with a pipe tip (1) and pipe bell (2) containing a peripheral test chamber (5) between a sliding ring seal (4) and hose seal (3) capable of being activated, from which a compressed material ...
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WO/1997/023723A1 |
The invention relates to a fuel line (16) which connects components of the fuel delivery means to each other or to the internal combustion engine (14). The fuel line (16) is in the form of a pipe (16) and fastened to a connection member ...
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WO/1997/021953A1 |
A pipe connector has a coupling (22) with a first cylindrical land (34), a second cylindrical land (36), and a third cylindrical land (38). There is a first annular recess (42) defined between the first cylindrical land (34) and the seco...
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WO/1997/017563A1 |
In a process, a pipe (1) is connected to a press fitting (2) which has a cylindrical section (3) and a radially outward-projecting annular bead (5) at each end which, at the free end of the press fitting (2) has an inwardly directed bead...
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WO/1997/016292A1 |
A system for filling a gap between jacket ends (31, 33) at a joint (34) between two lengths of jacketed pipe (30) is disclosed, comprising: a mold (10) and two pairs of side straps (40, 42, 50, 52) encircling the mold. The mold comprises...
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WO/1997/016299A1 |
An apparatus for making multilayer fluid conduits (10) includes an extruder (80) delivering a thermoplastic material selected from chlorinated polyvinyl chloride, polyvinyl chloride, acrylonitrile-butadiene, polyurethane and combinations...
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WO/1997/013089A2 |
A pipe connector has a pipe whose smooth end section is pushed onto a metallic fitting with at least one elongated, sleeve-shaped area provided with at least one bead-shaped depression for receiving a packing ring and with a stop that ex...
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WO/1997/001057A1 |
The proposed fitting for use in welding stainless steel pipes with zirconium alloy pipes is designed as an overlap diffusion welded joint between sleeves (1, 2) made from metals corresponding to the metals of the pipes to be welded. The ...
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WO/1996/041982A1 |
In a process for measuring the depth of penetration in a pipe union (33) consisting of the end (41) of a pipe (34) and a press fitting (35), ultrasounds are applied to the pipe (34) by an ultrasonic transmitter (29, 42) and the ultrasoni...
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WO/1996/041094A1 |
A high pressure quick connector (10) is disclosed for use in connecting brake lines of a vehicle, particularly to a brake junction for an anti-lock brake system. The connector (10) includes a housing (14) for receiving a tube retainer (1...
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WO/1996/037681A1 |
A connector assembly (20) for connecting expandable slotted tubing (EST) (10) comprises tubular first and second parts (22, 24) for mounting on the ends of respective lengths of slotted tubing. The parts (22, 24) are themselves slotted (...
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WO/1996/037680A1 |
A connector assembly for interconnecting sections of an expandable slotted tubing string (10) comprises a male part (22) and a female part (24) for mounting on the ends of respective tubing sections. Each part is slotted and adapted to c...
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WO/1996/033362A1 |
A method of forming a connection to an elongate object comprises (a) providing an object and a device which comprises a sleeve (4) formed from a shape memory alloy, the sleeve being transversely heat-shrinkable towards a recovered config...
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WO/1996/033363A1 |
A tube and fitting assembly is made by the method of relatively moving a tube (12) into an internal bore (29) in a fitting (11) with the internal bore (29) extending end-to-end in the fitting (11), longitudinally compressing the tube (12...
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WO/1996/033361A1 |
A high quality composite tube consists of a plastic-impregnated tubular interweave of threads or fibres, the angle of which with respect to the centre line of the tube is the determining factor for the diameter. At least one end of the i...
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WO/1996/030704A1 |
Two sheets (38 and 39) having externally visible surfaces are joined together at their juxtaposed edges by a joining member (18) which is secured to their inner surfaces and which straddles the juxtaposed edges. The joining member (18) i...
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WO/1996/028859A1 |
In water cooled electric generators, an electrical and fluidic connector (11) connects a stator bar (19) to an electrical bus and to a water source (16). The connector comprises two pieces, a clip (23) and a sleeve (21). During installat...
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WO/1996/026384A1 |
Steel pipe items such as pipes (10) are each joined by a girth weld (14) to tubular steel fittings (12) and the pipes (10) are each lined by pulling a polyethylene liner (30) through a die and through the pipe (10) and through the fittin...
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WO/1996/017203A1 |
A device (1), a method and a coupling seal between a flange (2) having at least one tube (9, 10) with a coupling end (9', 10'), and a part (3) provided with an opening (19, 20) connectable to said end. The seal (27, 28) is a composite se...
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