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JP6588453B2 |
A threaded joint is constructed of a pin (10) and a box (20), the box (20) having an outside diameter less than 104% of an outside diameter of a tubular body having the pin (10). The box (20) includes, in order from an end of the box tow...
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JP6576731B2 |
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JP6577654B2 |
A threaded joint is constructed of a pin (10) and a box (20). The pin (10) includes, in order from an end of the pin (10) toward the tubular body: a first male threaded portion (11), a first sealing surface (12), a shoulder surface (13),...
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JP2019523851A |
Threaded joints for oil and gas pipes have a female part (1) and a male part (2), the female part (1) having a threaded joint section (11) and a seal section extending the joint section (11). It is a joint tubular body with 12), and the ...
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JP6566376B1 |
To obtain an initial axial force having a rotation torque less than an upper limit value when fastening and releasing are repeated, to suppress a decrease rate of the axial force to a low value, and to perform the first fastening at the ...
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JP3222781U |
To provide a coupling connector which has corrosion resistance but can overcome the drawback of lacking rigidity and being easily damaged. A coupling connector 2 includes a main body unit 3, an anticorrosion layer 4 that covers the main ...
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JP6563032B2 |
A threaded tubular connection for drilling or operating hydrocarbon wells contains a portion of a tubular element with a male end having an axis of revolution and provided with a first threading extending about the axis of revolution, th...
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JP6561060B2 |
An assembly for producing a threaded connection, including tubular components provided with continuous threaded zones, in the form of helixes each provided with a first and a second taper generatrix, each of the threaded zones defining a...
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JP6560224B2 |
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JPWO2018074212A1 |
Provided are a threaded pipe joint having excellent seizure resistance and excellent appearance, and a method for manufacturing the same. The threaded pipe fitting of this embodiment includes a pin (3) and a box (4). Pins (3) and boxes (...
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JPWO2017217479A1 |
Even a person who is unfamiliar with the work can obtain stable sealing performance by screw connection, and in addition, provides a connection structure for fire extinguishing equipment piping that makes it easy to confirm that the conn...
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JP2019090497A |
To decrease probability of losing a function when being exposed to a high temperature environment.A joint is equipped with a cylindrical joint body 10; a packing ring 12; a push ring 16; and a connector 18. The connector 18 has an enteri...
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JP6528292B2 |
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JP6531176B2 |
A screw joint has a tubular element with a female thread and a tubular element with a male thread, wherein the male thread and the female thread have first contact surfaces that cooperate with each other, and the tubular elements optiona...
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JP2019086019A |
To provide a seal tape removal tool capable of providing a configuration which largely surrounds the outer circumference of a male screw part in a circumferential direction.A seal tape removal tool 1 is used for removing seal tape 11 adh...
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JP6519030B2 |
A threaded joint for oil well steel pipe superior in sealing properties and compression resistance is provided. The threaded joint includes a pin 2 provided with a male thread 4, and a box 3 provided with a female thread 5 threadedly eng...
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JP6515340B2 |
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JP6512586B2 |
A threaded joint for steel pipe is provided that ensures good sealing performance and reduces crevice corrosion. A threaded joint includes a pin (10) and a box (20). The pin (10) includes a first shoulder surface (11), a first male threa...
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JP2019065863A |
To solve the problem that airtightness of an oil well pipe screw and an anti-galling property are in a trade-off relationship, the airtightness may be impaired if an interference amount of a screw seal part is too small, the risk of scra...
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JP6497861B2 |
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JPWO2018003455A1 |
Provided is a threaded joint for pipes whose fastening torque can be easily adjusted. The threaded pipe fitting of this embodiment includes a pin (3) and a box (4). Pins (3) and boxes (4) include contact surfaces having threads (31) and ...
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JP6472855B1 |
To provide a pipe joint which can suppress or prevent dimensional deviation, can simplify the structure, has excellent pressure resistance, and can easily finely adjust the angle between pipes. A pipe joint 21 that can be connected to a ...
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JP6473605B2 |
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JP6473451B2 |
An assembly producing a threaded connection, including first and second tubular components with an axis of revolution and each respectively including at one end at least a first continuous threaded zone following a first helix on an oute...
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JP6468498B2 |
A tubular connection includes a pin member and a box member. The pin member has a first thread structure and a helical torque shoulder spaced axially along the pin member from the first thread structure. The box member has a second threa...
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JP6463347B2 |
A set for producing a threaded connection, includes first, second, third, and fourth tubular component with axis of revolution, the first tubular component including at each of its ends a first and a second threaded zone provided on the ...
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JP2018204646A |
To provide a pipe coupling that has a simple structure and can connect a pipe securely, easily, and adjustably in rotational position of the pipe according to a circumferential situation.A pipe coupling comprises: a first pipe member com...
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JP6444323B2 |
A tubular component includes at least one threaded portion for connecting the component with a complementary component, wherein at least a portion of the threaded portion is coated with a strippable film which protects against corrosion....
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JP6437445B2 |
The invention concerns an assembly for the production of a threaded connection, comprising a first and a second tubular component each with an axis of revolution (10) and each provided at one of their ends (1, 2) with a threaded zone (3;...
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JP2018194054A |
To reduce burden on a worker in coupling work to a pipe joint, to obtain stable water cut-off performance.A pipe joint comprises a plurality of seal materials 311j pasted on an inner peripheral surface 111a0 of a joint pipe 110. The join...
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JPWO2017135271A1 |
To provide a connection structure of fire extinguishing equipment piping to prevent damage when an overload is applied to a piping member such as a flexible pipe or a joint installed in a fire extinguishing equipment. A second pipe havin...
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JP6430463B2 |
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 that is a s...
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JP6424223B2 |
This invention provides a threaded connection for oil country tubular goods that can suppress an increase in torque when making up a pin and a box in a cold climate. A threaded connection for oil country tubular goods (1) of the present ...
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JP2018529898A |
A threaded tubular connection with a constant pin taper angle α with respect to the long axis, the distal end of the pin, and the long axis.1On the distal end of the box, the box sealing surface, and the long axis, and a pin member havi...
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JP6402223B2 |
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JP6404610B2 |
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JP6390321B2 |
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JP6373397B2 |
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JP2018123346A |
To provide a screw joint for tube excellent in seizure resistance and corrosion resistance, and a manufacturing method therefor.The screw joint 1 for tube has a pin 4, a box 5, and alloy plating layer 20. The pin 4 and the box 5 have a c...
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JP2018123349A |
To provide a screw joint for tube having excellent seizure resistance and corrosion resistance.The screw joint for tube has a pin, a box, a Ni-W alloy plating layer and a solid lubrication film. The pin and the box have contact surfaces ...
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JP2018123831A |
To provide a screw joint for pipe excellent in seizure resistance and corrosion resistance, and a manufacturing method of the screw joint for pipe.A screw joint 1 for pipe includes a pin 4, a box 5 and an alloy plating layer 20. Each of ...
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JP6366703B2 |
A threaded joint has a solid coating (30) formed on a surface of a male threaded portion (11) thereof, the solid coating having fluidity during application and being cured after the application. In a made-up state, clearances are provide...
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JP6368868B2 |
An objective of the present invention is to provide a threaded connection for pipe or tube having an excellent anti-misalignment property and an appropriate shouldering torque, and further having excellent corrosion resistance and an exc...
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JP6368440B2 |
The present invention has an objective to provide a threaded connection for pipe or tube including a pin and a box, having excellent galling resistance, torque property, and anticorrosion property, and still having an excellent adhesiven...
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JP6341663B2 |
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JP2018062998A |
To provide a piping fastening structure capable of increasing not only working efficiency but also shaft accuracy and fastening strength.A piping fastening structure, in which ends of a pair of pieces of piping for use in civil engineeri...
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JP6311019B2 |
A threaded joint is constructed of a pin (10) and a box (20). The pin (10) includes, in order from a tubular body having the pin (10) toward the free end thereof: a male threaded portion (11) and a lip portion (12) including a sealing su...
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JP6299056B1 |
To provide a part with a male thread portion which can easily remove a sealing tape. A test plug 1A for piping work has an outer peripheral surface from the base end to the tip of the axial length of the male threaded portion 4 in a dire...
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JP2018507360A |
The protector (20) for the threaded connection (1) of a tubular component that excavates or operates a hydrocarbon well with a tip surface (5) is separated from the main body (21) and the bottom (24). Two side walls, one on the outside (...
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JP2018028343A |
To provide a screw joint of an oil well pipe having excellent seizure resistance and capable of maintaining stable seizure resistance.A screw joint of an oil well pipe comprises a pin and a box that have a screw part and a seal part. In ...
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