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Patent Searching and Data


Matches 301 - 350 out of 4,800

Document Document Title
WO/2013/124386A1
The invention provides a connector assembly for interconnecting tubular elements. The connector assembly comprises at least one pin member, at least one box member, and for each box member a respective coating layer. Each pin member has ...  
WO/2013/124387A1
The invention provides a connector assembly for interconnecting tubular elements. The connector assembly comprises at least one pin member, at least one box member, and for each box member a respective coating layer. Each pin member has ...  
WO/2013/115649A1
A coupling (1) and method for providing a joint between a first component (2) and a second component (4), or dividing same, the first component (2) being provided with an internal circular receiving portion (6) which includes an internal...  
WO/2012/090227A3
The present subject matter relates to a coupler (106) for a pipe system. The coupler (106) has a first end (108) to receive one end (136) of a fixed pipe (102) and a second end (110) to receive one end of a removable pipe (104). The firs...  
WO/2013/108931A1
A threaded joint for pipes comprises a pin 1 and a box 2 each having a contact surface including a threaded portion 3,7 and an unthreaded metal contact portion. The unthreaded metal contact portion includes a sealing surface 5, 8 and a s...  
WO/2013/109522A2
A conduit fitting includes a conduit connecting device, a jacket sealing device, and a venting device. The conduit connecting device grips and seals against an unjacketed portion of a metal conduit when the conduit connecting device is a...  
WO/2013/108932A1
A box protector 21 for protecting the inner surface of a box 11 of a threaded joint for pipes having a female threaded portion and a shoulder surface 14 with the shoulder surface being sloped by an angle θ with respect to the direction ...  
WO/2013/098491A1
A tubular threaded joint (30) comprising a first body (C1) ended by an outer stop (BE), and linked to a male thread (PC1) extended by an end portion (PT1) forming an inner stop surface (B1) at the axial end thereof, such that the joint c...  
WO/2013/100814A1
The invention relates to connecting fittings. The polymeric device for protecting a pipe coupling comprises graduated bushings mounted between the ends of pipes which have a conical thread and are connected by the coupling. A first gr...  
WO/2013/095887A2
A wedge ring (60) is provided for securing a centralizer (50) or other structure to a tubular element. The wedge ring (60) comprises a first surface comprising a plurality of teeth (64) configured to engage a surface of the tubular eleme...  
WO/2012/010981A3
Embodiments of the present disclosure provide systems and methods for assembly of tubular joints which overcome the drawbacks and limitations of conventional joints. In certain embodiments, the tubular joints may comprise threaded joints...  
WO/2013/093233A1
The subject of the invention is an assembly for creating a threaded joint (1) for boring or exploiting hydrocarbons wells, said joint comprising a first tubular component and a second tubular component with an axis of revolution (10), ea...  
WO/2013/084099A1
A threaded connection design having a double ellipse in the thread root for reducing stress fatigue is illustrated in this disclosure. The root groove includes a first portion comprising a first elliptical surface being part of a first e...  
WO/2013/073712A1
A tubular threaded joint which is free from harmful heavy metals, which has excellent galling resistance, gas tightness, and rust-preventing properties and which does not readily undergo yielding of shoulder portions even when subjected ...  
WO/2012/077132A4
The present subject matter relates to a turbulence free ring (TFR) (10), for a pipe-coupler unit (1). The TFR (10) includes a main portion (26), forming a closed loop of predetermined diameter, webbed portions (14) extending in an axial ...  
WO/2013/060271A1
The technical problems to be solved by a connection structure for a length adjustable and anti-dismantle union with a pipe thread for gauge use are that the lengths of current gauge joints are not adjustable and the anti-dismantle struct...  
WO/2013/057926A1
Provided is a threaded coupling for a steel pipe having excellent galling resistance and seal performance as a radial-seal type connector. With this threaded coupling a plating having a Vickers hardness of not less than 310 is applied to...  
WO/2013/043976A1
An adjustable fracturing system (10) is provided. In one embodiment, the system includes a fracturing head (60, 62, 64) having an adjustable body with a first portion (82) and a second portion (84) that enable variation in a dimension of...  
WO/2013/038072A1
The invention relates to an assembly for producing a threaded joint, comprising first and second tubular components having axis of rotation (10). One of the ends (1, 2) of each of the aforementioned components is provided with a first th...  
WO/2012/025461A3
A threaded tubular connection including a first tube and a second tube is provided. The first tube includes a pin member which extends from an end of a main body of the first tube to a terminal end of the first tube. The second tube incl...  
WO/2012/077132A3
The present subject matter relates to a turbulence free ring (TFR) (10), for a pipe-coupler unit (1). The TFR (10) includes a main portion (26), forming a closed loop of predetermined diameter, webbed portions (14) extending in an axial ...  
WO/2013/022355A1
This invention relates to a conduit or spigot fabrication comprising at least one protuberance or shoulder acting to keep a nut deployed locally to the end of the conduit or spigot for thread-wise engagement of the nut to a waste outlet ...  
WO/2013/020298A1
Disclosed is a threaded connection device, comprising a bolt (1) and a nut (2), which are provided with internal and external threads (23, 12) respectively, and are engaged with each other. At least one peripheral snap-groove (11) is pro...  
WO/2012/123277A3
A device (1) for the releasable connection of a pressure/discharge pipe (2) that is subjected to axial forces during use to a further piece of pipe (3) is intended to provide a solution by which such pressure gas pipes can not only be co...  
WO/2012/167356A1
In a method for reconditioning a tubing joint having a serviceable tubing portion and unserviceable threaded upset ends, a tubing nipple having threaded ends is transversely cut to produce two tubing nipple segments, and the unserviceabl...  
WO/2012/162214A1
A tubular connection is formed by a box member and a pin member, each of which has a tapered constant pitch thread. A profiled defined by the thread of at least one of the pin member and the box member results in a pitch line (44) that i...  
WO/2012/152657A1
The coupling comprises a tubular body with two ends of the body each provided with a portion of internal threading (14) for joining to a tubular element, the tubular body further comprising a central portion separating the two ends each ...  
WO/2012/146178A1
The present invention relates to a composite feces extraction interface, comprising: a fixed interface, a handling interface connected to the fixed interface, and a locking apparatus locking the fixed interface and the handling interface...  
WO/2012/148875A2
A hose splicing system comprises a first clamping tool and a hose fitting adapter. The first clamping tool includes a first clamp member and a second clamp member. An inner surface of at least one of the first clamp member and the second...  
WO/2011/151028A8
A threaded end (1; 2) of a tubular component for drilling or working hydrocarbon wells, said end comprising a threaded zone (3; 4) produced on its external or internal peripheral surface depending on whether the threaded end is male or f...  
WO/2012/074984A3
Underground drilling operation often requires connecting a drill tool (e.g., drill bit, backreamer, etc.) to a drill string. It is desirable to connect the drill tools to a drill string in a manner that facilitates quick and easy assembl...  
WO/2012/128015A1
Provided is a screw joint for steel piping that exhibits excellent sealing properties even when subjected to a bending load. Specifically provided is a screw joint for steel piping in which a pin (3) and a box (1) are coupled by means of...  
WO/2012/118996A1
A fitting assembly is provided having a nut and a self-releasing ferrule, which in certain embodiments may be assembled by an operator. The nut and ferrule of the fitting assembly have passageways therethrough for receiving and removably...  
WO/2012/118167A1
In a radial-seal type threaded coupling for a steel pipe, there is room for improvement in ensuring the seal in terms of the rigidity of a pin nose. Specifically, the nose portion outer peripheral surface of a pin (3) is provided with a ...  
WO/2012/115809A1
A method by which threaded pipe sections are connected to form a tubular joint having proper sealing positioning at proper make-up torque. This is accomplished by manufacturing a make-up stencil plate for each specific size of pipe to be...  
WO/2012/110268A1
The present invention relates to a screwed plug (1) according to DIN 3852, part 11, with a profile sealing ring (12) according to DIN 3869, wherein the screwed plug (1) provided for a screwed pipe joint has a threaded connection piece (2...  
WO/2012/040275A3
A threaded connection includes a pin member comprising a first pin step and a second pin step, and pin wedge threads disposed on each of the first and second pin steps and a box member comprising a first box step and a second box step, a...  
WO/2012/103018A1
A system and method for coupling pipes. The system includes at least one tubular sleeve positionable in at least one of the pair of pipes and a compression ring. Each of the tubular sleeves has a ring end. The compression ring is positio...  
WO/2012/089304A1
The invention concerns a threaded tubular component for drilling or working hydrocarbon wells, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its outer or inner peripheral surface depending on ...  
WO/2012/089305A1
The invention concerns a threaded connection comprising a first and a second tubular component, each being provided with a respective male (1) and female (2) end, the male end (1) comprising at least one threaded zone (3) on its external...  
WO/2011/046909A8
A tubular connection includes a pin member having external wedge threads configured to engage a box member having corresponding internal wedge threads, and a solid lubricant coating applied on at least one of the internal and external we...  
WO/2012/079299A1
A fastening piece with a male thread and thread fastening components are disclosed. The fastening piece fits with a fastening piece with a female thread by the interaction between the male thread and the female thread. Each tooth shape o...  
WO/2012/039801A3
The present invention is an improvement in conventional street elbow pipe design that allows for the street elbow pipe to be easily installed, removed, maintained, adjusted and handled without damage to the street elbow pipe itself or in...  
WO/2012/074984A2
Underground drilling operation often requires connecting a drill tool (e.g., drill bit, backreamer, etc.) to a drill string. It is desirable to connect the drill tools to a drill string in a manner that facilitates quick and easy assembl...  
WO/2012/066266A1
A pipe joint, comprises a screw-threaded joint for pipes comprises a pin (10) having a male screw-threaded portion (15) and a box (20) having a complementary screw-threaded portion(25). The threaded portions of the pin and box (10,20) in...  
WO/2012/060472A1
A lubricating coating which can prevent the occurrence of galling even when makeup is carried out with a high torque and which has excellent rust preventing properties is formed on the contact surfaces of a pin and/or a box of a tubular ...  
WO/2012/060474A1
In order to provide a tubular threaded joint constituted by a pin and a box each having threads and an unthreaded metal contact portion with excellent galling resistance and gas tightness even in extremely cold environments at -60° C to...  
WO/2012/056500A1
Provided is a screw connector for an oil well pipe, said connector equipped with a male screw (1) having a seal (5) formed as a convex surface and a shoulder (6) formed farther toward the tip than the seal (5), and with a female screw (2...  
WO/2012/039801A2
The present invention is an improvement in conventional street elbow pipe design that allows for the street elbow pipe to be easily installed, removed, maintained, adjusted and handled without damage to the street elbow pipe itself or in...  
WO/2012/037815A1
A sealing structure of a juice extractor comprises a cup (1), a cup base (2) and an annular sealing ring (3). An external thread (11) is arranged on the outer peripheral wall of the bottom of the cup (1). An internal thread (22) matching...  

Matches 301 - 350 out of 4,800