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WO/2011/061704A1 |
This invention relates to a method of insulating pipe joints, and more particularly but not exclusively, to a method of protecting pipe joints against corrosion. The method includes the steps of providing a mold assembly configured and d...
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WO/2011/056512A1 |
A coupling arrangement that includes a gasket seal (40) and a housing (12, 14) having a first lateral side (100) for receiving a first pipe segment (4) and a second lateral side (102) for receiving a second pipe segment (2), the second l...
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WO/2011/053437A1 |
A seal pressing device (10) for a pipe coupling (30) including a sealing member (12) having an axial length and an outer curved contour (16) pressable against an inner diameter of a seal (32), the sealing member (12) having an axial row ...
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WO/2011/042201A1 |
The aim of the invention is an easy-to-use connecting bolt for a plug coupling (1), in particular for the secure fueling of natural gas vehicles, for connecting to a bore (2) in a pressure-tight manner, in particular to a tank valve or c...
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WO/2011/043836A1 |
A conduit coupling system, sealing device, bell and method of use are disclosed herein. The system comprises at least two piping components, and a sealing device. A first component has a bell and a second component has a spigot, the spig...
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WO/2011/044080A2 |
A heat-fusible gasket for affecting a flexible seal between two adjoining components of a coupling, such as the spigot end of a section of plastic pipe and a bell coupler to be fitted thereover. The gasket has an inner core which is cons...
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WO/2011/041448A2 |
According to one embodiment, a flange joint (10) for joining a first pipe (12) to a second pipe (14) includes an adapter (20) coupled to the first pipe. The adapter includes a convex surface (24). The flange joint also includes a gasket ...
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WO/2011/002483A1 |
A combination sealing and restraint system for an as-cast ductile iron fitting for both sealing and preventing separation of an iron pipe fitting and a mating male pipe. A ring-shaped body is installed within a mating groove provided in ...
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WO/2010/123543A1 |
A method and apparatus for restraining plastic 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 seali...
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WO/2010/118464A1 |
A flange seal (10) for forming a sealed connection between a first flange (12) and a second flange (14) connected by a plurality of flange bolts (22) around the periphery thereof. The flange seal (10) comprises a first portion (26) and a...
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WO/2010/107683A1 |
A glad hand with an improved gasket for use in the coupling of end hoses in railroad cars. The gasket provides an increased surface area for a wider sealing surface and increased sealing properties for coupling with another gasket on a g...
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WO/2010/088656A2 |
The specification discloses a seal member for selectively completing a fluid passageway defined between an upstream member and a downstream member separated by an intermediate space, the seal member comprising an elongate stem portion di...
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WO/2010/081958A2 |
The invention relates to a member in a fluid transport circuit, that includes a tubular body (1) provided at the outside thereof with an annular shoulder (5) in which a groove (6) is formed having a bottom (6.1) along which extend outer ...
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WO/2010/080742A1 |
A pipe coupling seal including a cylindrical elastomeric seal (10) including annular pad portions (14, 16) axially spaced apart from one another and extending from a bridge portion (18), each of the pad portions (14, 16) being thicker th...
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WO/2010/075454A1 |
A coupling for joining plan end pipe having a housing made from a casting with a pocket disposed in the casting. The pockets holds an insert that engages the plain end pipe, and the insert is secured to the housing without the use of mac...
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WO/2010/052858A1 |
A pipe joint for connecting underground pipes or sheath pipes to each other, wherein the pipe joint has sufficient water stop ability, projection of a water-absorbing swelling material into a pipe and crushing of an end of the pipe are m...
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WO/2010/002686A1 |
A seal assembly includes a tubular member having a longitudinal axis and a tubular member seal profile. A metal seal ring having a proximal base and a distal end has a seal ring seal profile between the proximal base and distal end that ...
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WO/2009/134374A1 |
A manhole assembly for a manhole having generally cylindrical sidewalls defined between an outside surface and an inside surface separated by a wall thickness and having a wall opening communicating the outside and inside sidewall surfac...
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WO/2009/134373A1 |
A combination sealing and restraint system for an as-cast ductile iron pipe systems. A ductile iron pipe/fitting with a bell end has an as-cast profile formed therein for receiving both a gripping ring and a sealing ring in spaced apart ...
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WO/2009/118556A1 |
The present invention provides an apparatus for repairing the outer sheath of a pipe, said apparatus comprising a sleeve (12) adapted to surround the pipe, sealing means (16) for establishing atleast two circumferential seals between the...
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WO/2009/111560A2 |
Method and system of a flange seal ring. At least some of the illustrative embodiments are systems comprising a metallic ring and a plurality of cogs. The metallic ring comprises a central bore that defines an internal diameter, a first ...
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WO/2009/107061A1 |
The invention relates to a sleeve-shaped anchoring element (14) for pipe couplings for connecting smooth-ended pipes, having a substantially cylindrical housing (3) and having at least one sealing element which is arranged in the housing...
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WO/2009/102698A1 |
Mechanical pipe couplings for joining pipe elements in end to end relation have arcuate keys which engage circumferential grooves in the pipe elements and radially projecting stiffening ribs aligned with the keys. At the end of the keys ...
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WO/2009/094679A1 |
A plug connection for connecting cooling water lines for internal combustion engines or charge air lines for internal combustion engines, comprising a first connector part (1), which has a through-channel (3), a second connector part (2)...
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WO/2009/094229A2 |
A high pressure connection and method for making a high pressure connection. The high pressure connection typically comprises two hollow, tubular members with a cured reaction product of a radically curable composition therebetween. The ...
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WO/2009/094598A1 |
The present invention generally relates to a device for connecting a duct (such as pipe or tubing) having a range of sizes and shapes to an object (such as equipment, a container, or another length of pipe or tubing). The device may comp...
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WO/2009/094228A2 |
A high pressure connection and method for making a high pressure connection. The high pressure connection typically comprises two hollow, tubular members with a cured reaction product of a radically curable composition therebetween. The ...
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WO/2009/088526A1 |
Fluid conduits for plumbing and other uses having integral end fittings are disclosed herein. A fluid conduit configured in accordance with an embodiment of the disclosure includes a tube, such as a copper tube, having an end portion adj...
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WO/2009/068775A2 |
The invention relates to a system for connecting deep underwater pipes that comprises a rigid and elastic housing (B) having a thickness that becomes equal to e2 when immersed, the hydrostatic pressure acting on the outer surface thereof...
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WO/2009/044328A1 |
The invention relates to a device for generating pressure forces on tubular components to be connected to one another, having a housing (3), a mechanically actuatable tensioning apparatus, a rubber-elastic deformable compound (5), which ...
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WO/2009/029878A1 |
A seal device is generally provided a seal member having multiple sealing faces, a central aperture, and an outer edge. A radially inner channel of various geometries may be formed that is open to the central aperture to provide a pressu...
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WO/2009/011687A1 |
The present invention generally relates to an adjustable or variable joining device or connector that may connect a duct (such as pipe or tubing) having a range of shapes, sizes and thread styles to an object (such as equipment, a contai...
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WO/2009/006917A1 |
Water-conducting household appliance, in particular dishwasher, comprising a circulation pump (3) having a tube-like outlet connector (4) and a subsequent tube (5) connected to the outlet connector (4), wherein a decoupling device (6, 6'...
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WO/2009/000322A1 |
A sealing device (1) for a tubing arrangement (2), preferably for use in an offshore facility, such as an offshore wind turbine or an oil rig. The tubing arrangement (2) has a cable (3) or an inner tube arranged in an interior part there...
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WO/2009/000851A1 |
A threaded joint comprises one or a pair of seal rings (11, 11') having a frustoconical section with one or more annular ribs (9) protruding from its internal surface, and located in a portion of the pin surface after the end of the thre...
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WO/2008/149590A1 |
A non-bolt joint structure comprising a seal ring (3) for sealing between the receiving end (1a) and the inserting end (2a), a means (11) provided on the inner circumference of the receiving end (1a) and engaging with the outer circumfer...
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WO/2008/144332A1 |
A coupling for securing pipe elements together in end-to-end relation is disclosed. The coupling has segments joined end-to-end by adjustable connection members. The segments surround a central space which receives the pipe elements. One...
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WO2008058153A9 |
A molded discrete low stress gasket is constructed of restructured filled PTFE for use in corrosive or severe chemical environments under relatively low bolt loads. The gasket has a gasket surface and includes a raised outer sealing ring...
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WO/2008/115460A1 |
In one embodiment, a male coupling connectable to and separable from a female coupling (e.g., a female threaded port) is provided. The female coupling includes a receiving portion sized to receive at least a portion of the male coupling,...
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WO/2008/110765A1 |
A coupling (1) for connection to a tubular conduit (4) has a hollow expandable seal arrangement (12) moveable from an unexpanded position in which a tubular conduit (4) can be pushed past the seal to an expanded position in which the sea...
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WO/2008/104792A1 |
A pipe coupling with an anchoring arrangement for locking the pipes together axially is described. The anchoring arrangement comprises a tubular casing (10), a frusto-conical gripping ring (40) with inwardly projecting gripping teeth 42 ...
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WO/2008/100540A1 |
The ring seal and retainer assembly includes an annularly shaped ring seal defining a radial inner surface, a radial outer surface, first and second axial end surfaces and a central bore for fluid or gas passage. A retainer is provided f...
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WO/2008/085633A2 |
A pipe coupling and gasket, a pipe coupling system, and installation method for joining and sealing adjoining pipes having different outer diameters. The gasket including three flanges extending radially inward, with the middle flange ac...
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WO/2008/085700A2 |
A tubular handling apparatus comprising a slotted member having a plurality of elongated slots each extending in a direction, a recessed member slidably coupled to the slotted member and having a plurality of recesses each tapered in the...
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WO/2008/061538A1 |
A sealing arrangement in a hydraulic high-pressure system has, adjoining a pressure space, a sealing cone (6) which projects into a sealing taper (7), and an annular gap (14) which is situated between the sealing taper and sealing cone a...
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WO/2008/048123A2 |
A seal for a compression joint, said seal including an annulus having: - a substantially smooth inner surface; - an outer surface having a perimeter portion around each edge of the seal and a central section between the perimeter portion...
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WO/2008/034711A2 |
The invention relates to a connection (4) of a first component (2) to a second (3) cylindrical component for transmitting circumferential and axial forces. It is proposed that the first component (2) comprises carrying elements (9a) disp...
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WO/2008/030167A1 |
In an arrangement for connecting tube elements of a ventilation duct system, the inner tube (3) has an abutment (7') for engagement with a matching abutment (8') of the outer tube (1). By insertion of the inner tube (3) into the outer tu...
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WO/2008/022014A2 |
A seal assembly for installation into a generally elongated U-shaped seal recess or seal housing, including a seal, a compression spring or compression member supporting the seal and a resilient compressible carrier which houses and supp...
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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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