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WO/2008/016358A1 |
A metal to metal seal for downhole tools. A sealing device includes a metal seal. A nonmetal seal may be used to bias the metal seal in a radial direction in response to a pressure differential applied to the sealing device. A well tool ...
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WO/2008/008174A2 |
A deformable mechanical pipe coupling is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer surfaces of the pipe...
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WO/2008/004173A1 |
The invention relates to an essentially cylindrical housing (11), for a tube coupling for connecting smooth ended tubes (16, 17), in particular, for axially strong connections with a gap (12), a one-piece moulded tongue (7), bridging the...
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WO/2007/145995A2 |
A pipe coupling for joining pipe elements end-to-end is disclosed. The pipe coupling is formed of segments attached to one another circumferentially straddling the pipe elements. The segments are formed from sub-sections connected to one...
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WO2007016021B1 |
A seal ring (10) for sealing between first and second members (12, 14) each having an outer groove surface (16, 126) and inner groove surface (18, 127) includes a metal seal body (26, 42, 52, 60, 70, 80, 92, 110, 122, 140) for engagement...
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WO/2007/130044A1 |
A permanently lubricated film gasket for providing a fluid-tight seal between a corrugated pipe (12) and a smooth annular section of an outer pipe (20) or section when the corrugated pipe and the outer pipe or section are in a relative s...
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WO/2007/083028A2 |
The invention concerns a tubular joint comprising an interlocking tip (4) provided with an inner groove (18) for receiving a smooth tip (6) and a sealing liner (8) arranged in the inner groove (18). It also comprises anti-extrusion means...
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WO/2007/067108A1 |
The invention discloses a sealing device (200) for sealing between an opening (A) in an air duct (100) in a motor vehicle and an object (110) which is arranged in the opening (A) of the air duct (100). The opening has an edge (120) which...
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WO/2007/061442A2 |
The invention relates to a coupling (20) for an exhaust system for a vehicle having an internal combustion engine. The coupling (20) includes a female pipe (22), a male pipe (24), and a clamping collar (26) to couple together the pipes (...
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WO/2007/054510A1 |
The invention relates to a connecting system for conduits, fittings or assemblies, which are intended for guiding a fluid under a pressure (p1) that is higher than a comparison pressure (p2). The system comprises a first and a second cou...
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WO/2007/051515A1 |
Pipeline coupling (6) for connecting individual pipeline sections (51, 52), and pipeline system, wherein individual pipeline sections (51, 52) are clamped together at their end faces by pipe-clamp-like split couplings, and a sealing ring...
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WO/2007/041043A2 |
A bell and spigot coupling system is provided for joining corrugated plastic pipe which improves the coupling's sealing capability with increasing hydrostatic pressure, and causes a substantial component of the force generated therefrom ...
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WO/2007/033390A1 |
The invention relates to a connector piece (1) for connection of an end of a round object (2) to a base housing (3), a tensioning element (4), a retainer element (5) and a seal element (6). In an insertion direction (15) for the object (...
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WO/2007/028185A2 |
The invention relates to a single- or multi-wire welding torch (6), more specifically to a laser-hybrid single- or multi-wire welding head provided with the welding torch (6) which can be connected to a welding device via a hose assembly...
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WO/2007/017677A1 |
A coupling assembly (101) for releasably interconnecting fluid passages comprises male (102) and female (103) coupling members, which are mated by inserting a probe (106) and socket (122) of the members respectively. Each coupling member...
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WO/2007/012362A1 |
A coupling has a pedestal part (1) and a sealing ring (10) which can be fixed in a receiving space (4) which is designed to accommodate an insert part (13) which can be introduced into the pedestal part (1) in an insertion direction. In ...
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WO/2006/112604A1 |
Dsclosed therein is a rubber packing for pipe connection, which can completely prevent water leakage by increasing contact force between a pipe and a pipe fitting and enhance connection force between the pipe and the rubber packing. For ...
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WO/2006/091952A1 |
A device for connecting a fluid conduit to an orifice of a vessel includes a flexible fitting, a deformable fitting, and one or more compression fittings. The flexible fitting can fix a position of the fluid conduit with respect to the o...
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WO/2006/090277A1 |
Toothed seal ring (1) for pipe joining wherein the external surface (3) has a saw tooth profile and wherein the internal surface (4) also has a saw tooth profile but with teeth in the opposite direction to that of the teeth present on th...
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WO/2006/085853A1 |
The present invention is directed to a resilient, annular, seal. The annular seal has a generally 'J' shaped or hook-shaped cross-section (50). The annular seal includes a first end portion (52) having a first distal end (54), a generall...
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WO/2006/075188A1 |
The present invention is concerned with a connector and in particular a connector capable of connecting both male to male and female to female parts . The present invention thus provides a connector part (30) including a body- portion (3...
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WO/2006/065438A1 |
A retainer for use in a mechanical pipe coupling is disclosed. The retainer fits within an expanded region of the coupling adjacent to a washer which is adjacent to an incompressible seal. The retainer has a band with opposite edges. Ang...
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WO/2006/062884A2 |
A method and apparatus for restraining pipe against both internal and external forces at a pipe or fitting connection and to join and seal at least two pipes to form a pipeline is shown featuring an improved restraining and sealing mecha...
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WO/2006/059362A1 |
A seal structure for a connecting section in a chemical liquid valve (1), which is formed by connecting a resin manifold base (3) and a resin valve section (4), is provided with an H-shaped resin ring (20) interposed between a connecting...
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WO/2006/016239A1 |
The invention provides a pipe coupling (1) for rigid pipes with smooth cylindrical ends and also a method of connecting such pipes (2). The coupling has an elongate body (3) with a longitudinal bore (4) and is split at (5) along its leng...
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WO/2006/013422A1 |
A pipe coupling (10) for joining together the ends of two adjacent pipes includes a housing (12) which defines a generally central bore (13) along a central axis of the housing for receiving the ends of the two adjacent pipes, and a lock...
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WO/2006/002487A1 |
A connector assembly (11) comprising a first hollow member which may be in the form of a first casing (13), and a second hollow member which may be in the form of a second casing (15). The first casing (13) has a first end (17) adapted t...
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WO/2006/000784A1 |
A plastic pipe connector (1), constituting a plastic housing (2), a wedge member (5a), bridge members (8a), sealing members (4 and 9), segmental grippers (6a) with teeth (6b), hydraulic chambers (3 and 10) and sealing member (7), which s...
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WO/2005/124215A1 |
A corrugated pipe saddle gasket is provided having a leading member, a primary sealing member, and an arm member, with the gasket having a contoured surface extending along at least a portion of the bottom of the primary sealing member a...
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WO/2005/120196A2 |
A washer device is provided for a threaded joint formed between two members, preferably two down-hole drill components, each member having a threaded portion and an end surface, the two member threaded portions being engaged to couple th...
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WO/2005/114025A2 |
A preassembled mechanical pipe coupling for joining pipe elements in end-to-end relationship is disclosed. The coupling is formed from a plurality of interconnectable segments that are initially maintained in spaced apart relation. The s...
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WO/2005/114023A2 |
A deformable mechanical pipe coupling is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer surfaces of the pipe...
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WO/2005/114024A2 |
A preassembled mechanical pipe coupling having spacers is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer sur...
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WO/2005/114028A2 |
A coupling for joining pipe elements in end to end relationship is disclosed. The coupling includes a sealing member having an inner diameter and an outer surface. A plurality of segments are supported on the sealing member's outer surfa...
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WO/2005/114026A2 |
A deformable mechanical pipe coupling is disclosed. The coupling is formed from an arcuate band that surrounds and defines a central space. The band has first and second ends in facing relation. arcuate surfaces that engage outer surface...
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WO/2005/114027A2 |
A sealing member (32) is disclosed having an outer surface that supports segments (52, 54) of a pipe coupling for joining pipe elements in end to end relation. The segments are supported in spaced relation to permit the pipe elements to ...
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WO/2005/111403A2 |
The present invention is directed to an energized wedge seal. In one illustrative embodiment, the device comprises a first component (12), the first component having a seal recess (16) formed therein, a first seal member (18) and a secon...
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WO/2005/103550A1 |
The invention relates to a plug-in connection, for example for producing liquid-tight or gas-tight connections in the automobile industry, between a connecting piece (18) and a plug-in part (14) that can be connected thereto. Said connec...
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WO/2005/094295A2 |
A coupling for connecting two pipes together end to end is disclosed. The coupling includes a plurality of segments positionable circumferentially around the pipes. Each of the segments is attachable to one another end to end. Each of th...
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WO/2005/094293A2 |
A roller tool for forming circumferential grooves around a pipe is disclosed. The tool is rotatable about an axis of rotation and has a circumferential surface engageable with a pipe. The tool surface includes first and second surface po...
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WO/2005/094303A2 |
Pipes and fittings having circumferential grooves proximate to their ends are disclosed. The grooves are formed of first and second side surfaces positioned in spaced apart relation to one another. A floor surface extends between the fir...
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WO/2005/094292A2 |
A coupling and pipes joined by the coupling are disclosed. The pipes have circumferential grooves adjacent their ends which are engaged by keys that project inwardly from the couplings. The keys are wedge shaped and substantially fill th...
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WO/2005/089275A2 |
A spiral wound gasket comprises an annulus, centered about a central axis, comprising a plurality of superposed turns of a strip wound upon itself and a filler substantially between the turns of the strip, wherein an outer portion of the...
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WO/2005/084372A2 |
There is provided a gasket element (1) having at least one first inner layer (10) and at least one first outer layer (20). Each of the at least two layers have differing material properties. The first outer layer may be hydrophobic and m...
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WO/2005/074516A2 |
A hose connector (10) includes, a hollow cylindrical member (20) first sleeves (30, 32) on opposite ends (22, 24) of the hollow cylindrical member (20), the first sleeves (30, 32) are assembled to second sleeves (50, 52) that are rotatab...
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WO/2005/071302A1 |
The present invention relates to a joint for plumbing using a wedge action, which can easily and rapidly assemble and disassemble a pipe. The joint can maximize tensile stopping power of the product by mounting a stopper in such a manner...
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WO/2005/047745A2 |
The present invention may be basically described as a gasket (2) for converting a standard mechanical joint into a restrained mechanical joint without the need for altered configuration of the bell (12), spigot (10), or gland (11) of the...
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WO/2005/038328A1 |
Conduits may be coupled end-to-end to form a secure flow coupling. In one aspect, a conduit coupler (200) includes a link member (220), a circumferential, flexible sealing element (211), and a constricting element (212). The link member ...
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WO/2005/017376A1 |
The invention relates to a sealing arrangement (1), especially a triple sealing unit (3) for sealing bearing systems used for journal crosses (18) in cardan shafts comprising an annular element for supporting a one-piece triple seal. Sai...
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WO/2004/097270A2 |
The present invention relates to leak preventing gaskets contemplated for use with segmented pipe couplings, which generally include a pair of coupling segments (26) adapted to receive a gasket (10) which surrounds a pair of pipes (28, 3...
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