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WO/2008/042106A2 |
A push-together pipe assembly is disclosed for joining two pipe ends. One pipe end has a specially contoured exterior surface. The other pipe end has a mating specially contoured interior surface. Each of the contoured surfaces is made u...
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WO/2008/039456A2 |
A coupling assembly including a union member having a first receiving portion with internal threads and a second receiving portion with oppositely oriented internal threads, a first coupling member (e.g., a hose adapter) having external ...
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WO/2008/038034A1 |
A protective ring (40) for use in a coupling assembly (10), the coupling assembly comprising a coupling body (20) of generally cylindrical shape with a channel therethrough, each end of said coupling body having a thread (22, 24) for thr...
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WO/2008/035794A1 |
There is provided a method for detecting an abnormal portion (defect, non-adhering portion, and seized portion) lying at a contact region between each part of a pin and each part of a box forming a threaded joint to be used as a joint of...
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WO/2008/032872A1 |
A threaded joint for steel pipes having excellent galling resistance, rust preventing properties, and airtightness without using a compound grease comprises a pin and a box each having a threaded portion and an unthreaded metal-to-metal ...
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WO/2008/029957A1 |
There is provided a method capable of evaluating a fastening state of a threaded joint that is used as a joint of pipes or tubes such as OCTG with a high degree of accuracy even after being fastened and a method for fastening a threaded ...
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WO/2008/022357A1 |
The invention provides a pipe coupling 10 having a coupling zone 12 and two pipe connection zones 14, 15 remote the coupling zone 12. The coupling zone 12 includes a first portion 16 having a spigot 18 having a sealing ring receiving for...
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WO/2008/017454A1 |
A composable pipework comprising modular ducts (11, 111, 211, 311) with a fluid-tight connecting system, wherein the modular ducts have threaded male (14) and female (16) coupling parts, comprising sealing means (18) adapted to provide a...
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WO/2007/117630A1 |
A thread protection member (100) for protecting threads in a threaded joint includes a body (104) formed of a material selected to reduce damage to the threads during a make-up of the threaded joint and a discontinuity (102) reducing rem...
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WO/2007/114460A1 |
A tubular threaded joint which has excellent resistance to compression and which permits easy tightening operation in the field in a vertical state comprises a pin having a male threaded zone and a box having a female threaded zone. The ...
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WO/2007/115183A1 |
Threaded connections including a pin member and a box member and are mismatched. The pin member and the box member have wedge threads formed thereon with a gap formed between pin and box load flanks and/or pin and box stab flanks of the ...
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WO/2007/115096A1 |
A threaded connection for a conduit includes a pin member and a box member. The pin member includes a pin thread having a pin thread crest, a pin thread root, a pin load flank oriented at a pin load flank angle, and a pin stab flank orie...
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WO/2007/109795A2 |
A plumbing test cap has a body with a bore extending from a first end which is mountable over a stub-out having a surface engagement feature. The body has a closed second end. A retainer is carried on the body for transverse movement fro...
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WO/2007/090562A1 |
The invention relates to a thread sealing thread based on a perfluoroalkene (co)polymer strip that is composed of a wound, folded, woven and/or twined, drawn perfluoroalkene (co)polymer strip, whose surface is covered by a liquid, perflu...
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WO/2007/071278A1 |
In a modular tubular element (1) for duct construction comprising a circular section tubular conduit (2) of predetermined length which is structured so to have a first male terminal portion (2a) and a second female opposite terminal port...
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WO/2007/071624A1 |
The invention relates to a female element (2) of a tubular threaded joint able to undergo diametral expansion in the plastic deformation range. The female element (2) is positioned at one end of a tubular component and on its external pe...
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WO/2007/065986A1 |
The invention relates to a connection assembly (100) for drill collars or heavy drill pipes comprising: a male connection element which comprises, in its longitudinal direction, an at least partially threaded conical surface portion whic...
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WO/2007/066452A1 |
A pipe joint locking device that can prevent a pipe joint from being erroneously loosened after tightening and in which sealing ability at a seal section of the pipe joint is not impaired even force rotating a pipe member is applied to i...
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WO/2007/063079A1 |
A threaded metallic joint has the thread surface of pin (100) and box (200) covered with a coating comprising a first layer (24) laid on the overall surface of the pin member (100), and a second layer (25) laid on part of the surfaces of...
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WO/2007/042231A2 |
The coating (11) comprises a solid matrix adhering to the substrate (13) in which are dispersed particles of solid lubricants from at least two classes which are selected to exert a synergistic effect between themselves and with the cons...
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WO/2007/035308A2 |
A riser connector uses a box and upset pin connector threadform design having S-shaped load flanks that provide a variable load angles depending on the radial position along the engaged teeth. This design promotes a load path that change...
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WO/2007/028696A1 |
The invention specifies a screwed socket connection (108) for the pressure-tight connection of two components carrying a fluid, in which screwed socket connection (108) the position of the axial seal (20, 120) is predetermined in such a ...
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WO/2007/026970A1 |
A threaded joint for steel pipes comprised of a pin 1 and a box 2 each having a threaded portion (1a, 2a) and an unthreaded metal contact portion (1b, 2b) exhibits adequate leakage resistance and galling resistance when used for makeup o...
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WO/2007/017082A1 |
A first axial abutment surface (6) formed at the free end of an annular lip (5) of a threaded male element (1) and a second axial abutment surface (9) formed at the end of a housing (7) of a threaded female element (2) have a same axial ...
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WO/2007/012673A1 |
The invention relates to a connection element (1) for producing a fluid-tight screw connection (12) of a line, said connection element comprising a screw thread (2), a pitch (3) which is defined by the root (4) of the thread and adjacent...
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WO/2007/012785A1 |
The invention concerns a sealing device comprising two metal flanges with opposite surfaces and between which is interposed a metal joint. The flanges comprise each one groove (56, 58), said grooves being opposite each other, each groove...
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WO/2007/001186A1 |
A method for the manufacture of a pipe (1) for use in petroleum exploitation, the manufacturing process comprising roll-forming of a steel plate (11) to form a hollow (0') with a longitudinal gap for being welded to form said pipe (1), t...
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WO/2006/136796A2 |
A method of producing an injection-moulded plastics article (10) having a hollow interior, such as a pipe section, comprises the steps of forming a mould cavity having outer dye parts (11, 12) and an inner mandrill (13) to define an annu...
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WO/2006/125241A1 |
Disclosed is a connection between two pipes (1, 2) in which a final section of one pipe overlaps a final section of the other pipe or one respective joining element (3, 4) is inserted into the facing final sections of the pipes (1, 2). T...
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WO/2006/124385A1 |
A method of treating a threaded connection that includes determining a treating time sufficient to form a thickness of a hopeite coating, coating at least a portion of the threaded connection (3, 4) with phosphating compound for a period...
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WO/2006/117331A1 |
According to the present invention, a drill rod (10) comprises an elongate hollow shaft (12) with a first shaft end and a second shaft end (22), the first shaft end having a first connector for connecting the drill rod (10) to a drive me...
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WO/2006/114358A2 |
A single- or multilayer threaded pipe, wherein at least one layer is produced from a polyolefin composition comprising (percentages express on the basis of the sum of components (A) and (B)): (A) 65-90 wt% of a heterophasic polypropylene...
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WO/2006/112301A1 |
The diameter of a front end opening section(20-1) formed rearward in a predetermined length from an front end opening of a male member reception hole (20) is set greater than the diameter of a male member reception section (20-2), contin...
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WO/2006/113760A2 |
A threaded connector includes a base and a threaded male portion projecting axially outward from the base. The threaded male portion is adapted to mate with an associated threaded female socket. The threaded male portion includes a helic...
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WO/2006/104251A1 |
A threaded joint for steel pipes for use in an oil well which has improved galling resistance and which is protected from rusting comprises a pin and a box each having a contact surface including a threaded portion and an unthreaded meta...
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WO/2006/087361A1 |
A threaded joint for pipes comprising at least one seal of the metal-metal interference type arranged externally to the female thread. The joint has an extension of the box beyond the seal which produces an elastic tightening band effect...
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WO/2006/085066A1 |
A coupling for conduit tubes (16, 16′) for carrying optical fibres or optical fibre units, comprising a body which has two entries (18, 18′) , both entries having associated therewith means (20, 20′) to secure the body to conduit t...
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WO/2006/075774A1 |
A threaded joint for steel pipes comprises a pin (1) and a box (2) each having a threaded portion (3a or 3b) and an unthreaded metal-to-metal contact portion (4a or 4b) as contact surfaces which contact each other when the joint is faste...
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WO/2006/076194A2 |
A threaded and coupled connector with tapered threads having equivalent heights (same height on pin and box threads), negative load flanks, biased tapered thread forms with a torque shoulder formed by pin noses that abut at a central poi...
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WO/2006/073903A1 |
A tubular connection (50) is provided with a first thread (74, 54) on a first step (41) having an initial makeup location and a second thread (55, 75) on a second step (42), the second thread being a wedge thread and having a selected cl...
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WO/2006/073861A1 |
A threaded connection having wedge threads, and a method of manufacturing said threaded connection. The threaded connection includes a pin member (101) and a box member (102) having a pin thread (106) and a box thread (107), respectively...
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WO/2006/073902A2 |
A threaded connection including a pin member and a box member, and methods for manufacturing and forming said threaded connection. The pin member has a pin thread with a pin thread crest, a pin thread root, a pin load flank, and a pin st...
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WO/2006/067740A1 |
A preloaded connector to connect sealingly two pipe joints (1,2) having a common axis, comprising at least one couple of cooperating pin (4) and box (3) members, the members including load-bearing surfaces (5,9,10,13) to transmit tension...
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WO/2006/068606A1 |
Method of joining at least two components (2, 3) utilising a fitting (1), where at least one of the components comprises, or is made of, a material which is difficult to weld. The components (2, 3) are provided with thicker walls at the ...
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WO/2006/061577A1 |
An external pipe joint between a pin section (30) and a box section (40) is disclosed. The end of the pin (30) and box (40) sections have complementary screwthreaded portions (32, 42), adapted to interengage along the greater part of t...
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WO/2006/043289A1 |
In order to seal hermetically threaded pipe joints a polytetrafluoroethylene monofilament with a rectangular cross-section is used, said monofilament being wound onto the external threading on the end of the smaller-diameter pipe onto wh...
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WO/2006/027276A1 |
Before tapered reduction swaging of the end region of a tube and machining in this region of a tapered male threading (2) and a male lip (3) to obtain a male tubular element for makeup into a female tubular element to form a sealed threa...
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WO/2006/022418A1 |
In a threaded joint for steel pipes which are connected by threaded engagement of a pin member having a tapered male thread, a metal seal-forming portion, and a torque shoulder-forming portion on the end of a pipe, and a box member havin...
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WO/2006/017315A2 |
The spray head with nozzle gasket includes an elongated spray header having a plurality of laterally spaced liquid nozzles each of which is mounted in a corresponding pocket in the spray header At least one elongated cleaning brush assem...
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WO/2006/015708A1 |
The present invention refers to a method for producing a press connection arrangement, comprising the steps of a) connecting a body (1), which is suited for conditioning a fluid flow within a pipework by re-directing, shutting-off and/or...
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