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Patent Searching and Data


Matches 501 - 550 out of 4,727

Document Document Title
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 ...  
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...  
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...  
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...  
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...  
WO2005120196A3
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO2005108848A3
A modified API Buttress threaded casing connection is disclosed for use in drilling oil and gas wells in lieu of using conventional drill pipe. The coupling threads only are multiple tapered yet can be mated with standard API Buttress pi...  
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...  
WO2006075774A8
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...  
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...  
WO2006023218A3
A Rotating Pressure Control Head (RPCH) with a rapid engagement mechanism is disclosed. The RPC comprises an upper body (102) and a lower body (104). The rapid engagement mechanism (121, 118) allows the upper body to be quickly disengage...  
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...  
WO2005043019A3
A connection for the quick and functionally reliable connection of tubulars including pipes (1a) and casing (2a). The connection having a male (1a) or pin end and a mating female (2a), box, or socket end and sections of circumferentially...  
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...  
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...  
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...  
WO2006031386A3
The fluid coupling assembly for retaining a sealed joint includes the first member adapted to be connected to a first fluid conduit with a per sealing surface and a series of axially aligned serrations along with helical threads. A secon...  
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...  
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...  
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...  
WO2005064218A8
The invention relates to an assembly comprising two symmetrically-disposed expandable threaded tubular joints, each of said joints consisting of: (i) a male tubular element (EM1, EM2) which is placed at one end of a tube (T1, T2) and whi...  
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 ...  
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...  
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...  
WO2005024282A3
Embodiments of the present invention relate to methods for protecting a threaded end (50) of a tubular member (20) and sealingly engaging the tubular member to prevent liquid or debris contamination of the threaded end. In the preferred ...  
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...  
WO2005111367A8
The inventive highly sealing screw joint for oilfield tubes comprises a male and female tubular parts provided with thrust faces and external and internal sealing surfaces. A conical section is embodied on the internal surface of the mal...  
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...  
WO2005080644A3
A method for protecting a metal surface from galling and corrosion includes a step of providing a protective dry film on the metal surface. The film includes a solid lubricant and a conducting polymer, the conducting polymer having lubri...  
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...  
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...  
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...  
WO/2005/121622A1
A screw coupling for an oil well pipe, comprising a male screw pipe having a seal forming portion in a projectedly curved shape at the tip part of the pipe and a female screw pipe having a tapered seal part. The screw coupling is charact...  
WO/2005/116511A1
A threaded pipe joint coupling with wire lock system made of polyvinyl chloride comprising two pipe joining components (19,20), two sealing rings (13,22), including a wire lock (39), said wire lock (39) being inserted into a groove (12,4...  
WO/2005/114029A1
A threaded tubular connection having a sleeve seal for maintaining pressure sealing capabilities within the connection when exposed to extreme pressure and/or temperature variations. The sleeve seal forms a third part of the pin and box ...  
WO/2005/113190A1
Connectors and connections that enhance mechanical and sealing engagement between the ends of tubular bodies that are radially expanded by a forging tool. The connectors are designed to maintain or restore mechanical and sealing engageme...  
WO/2005/111367A1
The inventive highly sealing screw joint for oilfield tubes comprises a male and female tubular parts provided with thrust faces and external and internal sealing surfaces. A conical section is embodied on the internal surface of the mal...  
WO2004070097A3
A thread form having improved strength and fatigue resistance. The root of the thread is cut on multiple cutting radii having displaced centers. At least two of the root surfaces are formed by cutting radii having lengths that are greate...  
WO/2005/108844A2
An interconnection for oil field tubular goods operates in a self sealing manner in response to internal pressures which might otherwise cause leakage through couplings or joints. Each coupling sleeve includes an interior fulcrum ring fi...  
WO/2005/108848A2
A modified API Buttress threaded casing connection is disclosed for use in drilling oil and gas wells in lieu of using conventional drill pipe. The coupling threads only are multiple tapered yet can be mated with standard API Buttress pi...  
WO/2005/105777A1
IKK-2-inhibiting compounds of Formula I: wherein R, X, Y, Z, R3, R4, R5, and are as defined herein, are disclosed.  
WO/2005/106184A1
A composite marine riser (22) may be formed, in one embodiment, of a pair of threaded metallic sections (115,118) having threaded external surfaces (138,140). The threaded external surfaces may taper from a larger to a smaller diameter. ...  
WO/2005/106309A1
An expandable tubular pin (10) and box (12) connection is described having a feature of trapping the pin nose (26) after preferably deforming the pin nose (26) plastically in an outward direction away from the longitudinal axis (20) of t...  
WO/2005/100838A1
A joint where breakage of a pressure sensor connection nut and a flare copper tube connection nut can be prevented. A joint (50) is a joint for communicating a first fluid path and a second fluid path of a nut member (20) having a second...  

Matches 501 - 550 out of 4,727