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JP2022018629A |
To provide a sacrificial anode material having higher corrosion prevention performance against piping and a stand part in contact with the piping.A sacrificial anode material is disposed between piping and a stand to support the piping, ...
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JP7005752B2 |
The invention can be used for the internal insulation of a welded pipeline joint between pipes having an internal protective coating. A device according to a first variant comprises a power actuator having a cylindrical elastic working m...
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JP2022015344A |
To provide an anticorrosion reinforcing member for a steel pipe that is integrally organized a petrolatum-based anticorrosion material attached to an inner surface of the steel pipe and a reinforcing material that complements a strength ...
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JP7003856B2 |
A pipe structure includes a pipe disposed in a state of contact with the air, a fluid with a temperature of at least 100° C. flowing inside the pipe; and a coating material containing nickel oxide and coated onto an outer periphery port...
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JP6986894B2 |
To provide a method capable of repairing a pipe body or a to-be-repaired pipe providing high strength using simple mechanical equipment regardless of an internal diameter dimension of an existing pipe.A method of repairing a pipe of this...
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JP6983561B2 |
To provide a corrosion prevention structure using a silicone-based member which facilitates processing, a corrosion prevention construction method, and a member for corrosion prevention structure.The present invention relates to a corros...
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JP6972999B2 |
To provide a joint, a lining unit, and a toilet unit that can improve fire resistance while restraining deterioration of easiness of connection to the toilet device through a lining.A joint according to an embodiment comprises: a connect...
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JP6966345B2 |
To provide a method and structure capable of sealing a joint part of a pipe simply and reliably.Pipes 1 and 2 are connected via a joint part 3. A foamed resin mold 10 is installed so that the pipes 1 and 2 pass therethrough and the joint...
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JP6964678B2 |
There is provided a threaded connection for pipe having not only galling resistance that requires no surface roughness providing step but is as excellent as galling resistance provided by the surface roughness providing step but low shou...
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JP6960961B2 |
To provide a heat insulating member having a rustproof function for a fluid piping facility through which fluid of relatively low temperature circulates.A heat insulating member 1 provided with a heat insulating layer 3 made of an indepe...
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JP6959625B1 |
To provide a lining method for a hot water supply copper pipe capable of reducing labor and cost. A lining method for a hot water supply copper pipe is a method of constructing a hot water supply copper pipe to which a resin pipe is conn...
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JP6955561B2 |
The invention relates to a ceramic composition and a material comprising said ceramic composition in the form of a coating and a steel substrate. Furthermore, the invention relates to the process to obtain said material and its use as pa...
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JP6954788B2 |
To provide a polyethylene coated steed pipe for gas piping having anticorrosion suitable for gas transport, capable of suppressing occurrence of heat decomposition objects in welding, and further capable of enhancing gas transport effici...
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JP6951042B2 |
To provide an oil piping inner part lining construction method capable of reliably cleaning an inner part of piping which has oil part, rust, burr and the like owing to usage for long years and capable of performing lining construction o...
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JP2021148283A |
To provide a metal pipe with high corrosion resistance, which has a metal sprayed coating, particularly, a zinc-based sprayed coating on an outer surface of a metal pipe, and which has a powdered paint used for an outer layer.In a metal ...
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JP2021143679A |
To form a flexible tube body that is suitable for on-site construction and is immobilized in an arbitrary desired shape by applying and solidifying a resin member, or a pipeline in which a bent tube is unnecessary by simply applying a re...
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JP2021133464A |
To provide an inserter which can be commonly used for multiple kinds of water diversion cores with different insertion loads.An intrinsic insertion load, which is required for inserting a water diversion core into a water diversion hole,...
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JP6924451B2 |
The present invention relates to a flange with a separation prevention structure of a PE coating using thermal expansion of a hydrofluoric acid gas supply pipe, having a groove of predetermined depth to prevent Polyethylene coated on an ...
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JP6920792B2 |
To solve problems of a steel pipe coated with three layers of polyolefin that, when an on-site anti-corrosion treatment is performed on a pipe portion where the pipe end coating is removed, adhesion of the junction between the portion wh...
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JP6918301B2 |
To provide a renovation method and a renovation structure of an existing pipe capable of maintaining pipe strength after renovation and having excellent cutoff property.The invention relates to a method of renovation of an existing pipe ...
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JP2021112879A |
To improve work efficiency in a resin lining execution method and a resin lining cooling apparatus while ensuring the quality of a lining.A resin lining execution method comprises: a heating step for heating an outer surface portion 1b o...
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JP6913489B2 |
To provide piping in which the occurrence of pitting corrosion is suppressed.The piping has a first piping part containing a first metal, and a second piping part that is disposed upstream from the first piping part in a water circulatio...
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JP6895479B2 |
To provide a protective sleeve capable of minimizing the formation of through holes and suppressing the degradation of workability.A cylindrical resin protective sleeve 20 for preventing intrusion of water by covering an outer periphery ...
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JP2021095980A |
To provide: hose caulking metal fittings which can prolong the durability of the hose caulking metal fittings by further suppressing the corrosion of a nipple; and its manufacturing method.When manufacturing a hose caulking metal fitting...
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JP6883820B2 |
To provide a reinforcement member etc. which can be attached or detached in a state that a water spray pipe is fixed to a vinyl house etc. and enables a water spray hole to be easily formed in the water spray pipe.A reinforcement member ...
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JP6868701B2 |
The present disclosure relates to a pig which is insertable at least partly within a fabric liner sleeve located in a duct and which is capable of heating the liner sleeve in situ in the duct to melt thermoplastic material of the liner s...
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JP3231467U |
To provide a rust-preventive cladding tube which facilitates winding of a cloth material impregnated with a rust-preventive material on an outer peripheral surface of a protective tube. This is a rust-preventive structure of a protective...
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JP6851052B1 |
To stop water leakage from an ultrafine hole. The lining method is a method of constructing a hot water pipe. This lining method includes a cleaning step S20 in which a cleaning liquid is sent into a pipe from which hot water has been dr...
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JP2021046908A |
To provide a method for protecting a resin pipe capable of fusing and connecting another pipe material easily and reliably, and an olefin resin pipe with a protective material.A method for protecting a fusion surface 14 of a pipe end par...
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JP6815498B2 |
This invention provides a threaded connection for pipes or tubes having excellent misalignment resistance and high torque on shoulder resistance, and also having excellent corrosion resistance properties, as well as a method for producin...
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JP6817245B2 |
To provide a cast iron pipe in which adhesion among thiapentazole primer, powdered paint and aqueous paint coated on the former material during coating of inner surface of a socket of a cast iron pipe is improved more.This invention rela...
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JP6806567B2 |
A method includes transporting water containing chlorine dioxide, chlorine, chloramines, or hypochlorites through a pipe. The method includes forming a polyethylene resin using a catalyst, mixing the polyethylene resin with an antioxidan...
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JP6803799B2 |
To provide a manufacturing method of a polyolefin resin coated steel tube excellent in peeling resistance by using a washing method capable of removing an attached salt content before a blast process.A polyolefin coated steel tube excell...
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JP6793073B2 |
To provide an anode electrode member attachable/detachable to/from a piping flange and an electrical protection system capable of achieving electrical protection using the anode electrode member.There is provided an anode electrode membe...
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JP2020175599A |
To provide a corrosion prevention method of a rehabilitation pipe disposed in an existing pipe or a tunnel.A belt-like member 10 includes: a resin-made base part 11 formed in a belt-like shape; and a reinforcing steel plate 15 extending ...
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JP6766404B2 |
To resolve problems of low-temperature anti-shock characteristic and a long period weather resistance of the conventional three layers polypropylene resin coating steel pipe and a problem of a consistency with a coating at site under app...
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JP6762781B2 |
To provide a polyolefin coated steel tube excellent in peeling resistance.A blast treatment is conducted on a steel material surface by using two kinds of grinding material with different shapes. A shot shape grinding material is used fo...
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JP2020147799A |
To provide piping, a processing method and a processor, capable of forming a good quality film.There is provided a processing method of an object. The processing method includes a step of forming a coating film on an inner wall surface o...
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JP6755135B2 |
To provide a polyolefin coated steel pipe exhibiting high adhesion strength.A polyolefin coated steel pipe having high adhesion strength is provided when cooling rate of a modified polyolefin resin is 10°C/min or more in a temperature r...
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JP2020143704A |
To provide a refrigerant pipe which can inhibit water droplets occurring in a metal pipe having a high electric potential from contacting with a metal pipe having a low electric potential.A refrigerant pipe 10 includes: a first metal pip...
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JP2020143761A |
To provide a repair method capable of repairing a corrosion part of a pull-up pipe more simply and safely.A method for repairing a corrosion part of a pull-up pipe, comprises: a coating step of covering at least the corrosion part from t...
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JP6740993B2 |
To provide an inner surface resin lining thin steel pipe with an excellent screw part (of which a screw shape of a steel pipe outer surface has a normal JIS shape, and unevenness on a steel pipe inner surface is small), and a manufacturi...
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JP6738605B2 |
This corrosion prevention method, which is for a welded section and that performs corrosion prevention processing on the welded section of a plastic-lined steel tube using a heat-shrinking corrosion-preventing sheet, has at least: a step...
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JP2020523542A |
In the composite pipe according to the present invention, a stainless steel pipe having excellent corrosion resistance is mounted inside a steel pipe having excellent strength and low cost, and the outer surface of the steel pipe is trea...
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JP6717504B2 |
To solve the problem that durability of a nonwoven fabric formed by using conventional high-strength synthetic fibers not including crimp is low and develop a nonwoven fabric to be an anticorrosion repair material realizing high strength...
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JP6703862B2 |
To have an adhesive strength on the same level as that of a portion which is executed in a factory, and to facilitate execution in a site.A resin lining execution method includes: a heating step S1 of heating an unexecuted portion of a p...
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JP6694879B2 |
A protector for a male end or a female end of a tubular drilling or production component for hydrocarbon wells, the end respectively including at least one external thread or internal thread, an annular external surface and an annular in...
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JP6696705B2 |
To provide a fitting device for a snap core that can be set to its fitting jig only when the snap core is set at a correct fitting orientation.There are provided a snap core temporarily assembled while a metallic sleeve is partially fitt...
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JP2020067131A |
To facilitate winding of fabric material into which rust-preventive substance is impregnated around an outer peripheral face of a protective tube.In a rust-preventive structure of a protective tube, an electric wire is inserted into a pr...
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JP6676666B2 |
The invention provides a pipeline jointing structure, which can inhibit edge corrosion caused by waste gas and reduce the cost of the jointing structure. One aspect of the invention relates to a jointing structure of pipeline installatio...
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