| Document |
Document Title |
|
JP2022117013A |
To provide an inner surface bead peeling suppression method which stabilizes shapes of inner surface beads without cutting and collapsing the inner surface beads, and can suppress partial peeling of the inner surface beads.An inner surfa...
|
|
JP2022117474A |
To provide methods and systems for calibrating electrical current for an induction welding operation, which achieve reduced production time, reduced production costs, and improved operation of a computer.A method is provided for controll...
|
|
JP2022117475A |
To provide a compression load distributor for maintaining a weld line temperature during induction welding.A compression load distributor (400) includes a support layer (404) and a heat spreading layer (401). The support layer (404) incl...
|
|
JP7087653B2 |
To provide an electroseamed steel pipe excellent in corrosion resistance, and containing Cr over 3%.In a Cr-containing electroseamed steel pipe containing Cr as much as 3.0-32.0 mass%, concerning Cr oxide defects existing on a welding su...
|
|
JP7081718B2 |
A method for monitoring welding of an electric resistance welded steel pipe of the present invention includes: an image acquisition step in which, when an electric resistance welded steel pipe is welded, a V-convergence portion including...
|
|
JP7065235B1 |
To manufacture a fin tube having a large ratio of fin height to diameter of a metal tube while reducing waviness generated in a metal band and preventing thinning points and / or cracks from occurring near the outer edge of the fin. To d...
|
|
JP2022067423A |
To provide a steel material that is produced by welding plated steel sheet, and superior in adhesion of repair film even when a welding bead and a mill scale exists in a weld zone.A steel material is provided with a base material includi...
|
|
JP7053140B2 |
To provide a thin high strength aluminum alloy clad material for heat exchanger excellent in lamination property, and manufacturing methods of an aluminum alloy clad material for heat exchanger and an aluminum alloy tube for heat exchang...
|
|
JP7035834B2 |
To provide an electric resistance welded steel tube welded part annealing device capable of stably performing an annealing treatment of a welded part in a process of manufacturing an electric resistance welded steel tube.In the electric ...
|
|
JP7028048B2 |
To provide an electric resistance welding device which can inhibit occurrence of welding defects in a welding part even if a coolant is spilled onto a surface of a squeeze roll to cool the squeeze roll.An electric resistance welding devi...
|
|
JP7014306B2 |
Provided are: a rectangular steel pipe that has small variation in hardness in a circumferential cross-section and excellent ductility and toughness on corner outer surfaces, and has a flat plate section; a method for manufacturing same;...
|
|
JP7010138B2 |
To measure with high accuracy, an upset quantity in a two-stage convergence type second welded condition.A metal pipe manufacturing method has: a step in which a metal plate is transported in a transport direction, both ends of the metal...
|
|
JP6988849B2 |
To provide a device and method for slab joint capable of preventing deposition of molten steel on the lower part of a joint clamp, to provide a continuous hot rolling facility and method, and to provide a device and method for production...
|
|
JP6986433B2 |
To provide an electric conduction device which can establish a stable conduction state, and can achieve stable supply of electric current.An electric conduction device 1 is a device for performing electric conduction between a conductive...
|
|
JP6987005B2 |
To provide a manufacturing equipment and method of an electric resistance welded metal tube capable of preventing a crack from being propagated to base material even when the crack is generated on discharge metal.Manufacturing equipment ...
|
|
JP6958423B2 |
To provide a welding operation monitoring system and welding operation monitoring method which allow for analysis of a plasma position by reducing influence of a weld zone in color image obtained by an imaging apparatus.A welding operati...
|
|
JP2021167018A |
To provide an article comprising additively manufactured metal portions.An article comprises: a first additively manufactured metal portion 200; and a second additively manufactured metal portion 202 coupled to the first additively manuf...
|
|
JP6928947B2 |
To provide steel pipe manufacturing equipment and steel pipe manufacturing method by which a loss of an end edge part of a steel pile due to a failure in electric resistance welding is reduced.Steel pipe manufacturing equipment 10, which...
|
|
JP2021058930A |
To provide a flexible heat sink and/or cooling means to reduce the temperature in a weld interface, for use in induction welding of thermoplastic composites.A heat sink for use in induction welding includes a number of tiles 40, where th...
|
|
JP6834724B2 |
To provide an electric-resistance weld pipe welding device capable of making a heat value on an end face of an opening of an open pipe equal to that generated in a conventional method while preventing burning damage of an impeder.An elec...
|
|
JP6834723B2 |
To provide an electric-resistance weld pipe welding device capable of preventing burning damage and physical damage of an impeder case by solving a problem occurring to a small diameter pipe, especially a thick-walled one.An electric-res...
|
|
JP6831254B2 |
To provide a low cost welded steel tube which is produced by using, as a raw material, a steel sheet excellent in sulfuric acid dew point corrosion resistance and hydrochloric acid dew point corrosion resistance and in which a weld zone ...
|
|
JP6809923B2 |
To provide a silicon core wire welding device having excellent work efficiency, capable of coping with direct welding and right angle welding.A silicon core wire welding device (100) includes a work coil (3) connected to a high-frequency...
|
|
JP6803770B2 |
To provide a method for welding a metal by which the metal can be certainly welded while suppressing deformation.According to this method for welding a metal, AC current having a frequency at which impact hardening for the metal is possi...
|
|
JP6795881B2 |
To provide a power feeding electrode for high-frequency resistance welding of a plated steel sheet which prevents partial contact with the steel sheet, is capable of causing no poor appearance due to a spark at a welding time even when a...
|
|
JP6762163B2 |
To make it possible to perform diagnosis for a first kind area capable of fusion welding.A weldment monitoring method in an electroseamed steel pipe welding process in which a blet-like metal plate is continuously formed into a cylindric...
|
|
JP2020152967A |
To provide a steel pipe with inner surface groove that does not cause cracks in the welded part and in which, on the inner surface, a plurality of recesses are present in a continuous straight line shape to the longitudinal direction.The...
|
|
JP2020152969A |
To provide a steel pipe with inner surface groove that does not cause cracks in the welded part and in which, on the inner surface, a plurality of recesses are present in a continuous straight line shape to the longitudinal direction.The...
|
|
JP6745655B2 |
To automatically detect a site of a defect caused by biting of foreign matters, such as scale and iron dust, into a weld surface.A welding monitoring device 1 in a welding process of an electroseamed steel pipe includes: imaging means 12...
|
|
JP6720507B2 |
To provide a technique which can correctly monitor an electro-resistance-welded state of a steel pipe by use of an imaging device having high durability.A bore scope 10 is located at a position on an upstream side of a V-shaped convergen...
|
|
JP6699116B2 |
To provide a technique capable of exactly monitoring whether the upsetting is appropriately performed in an electric resistance welding process.In an electric resistance welding process, an image on a surface of a region containing a V-s...
|
|
JP6693601B2 |
A power supply coil for electric resistance welding according to the present invention is a power supply coil for electric resistance welding for heating a steel pipe to be welded by electric resistance, a metal coil that has a single-tu...
|
|
JP6641699B2 |
|
|
JP6583256B2 |
|
|
JP2019521859A |
The present invention relates to a method for manufacturing a double pipe, more specifically, a primary roll forming step for forming bent portions on both sides in the longitudinal direction of the strip for the outer pipe, and laminati...
|
|
JP6552723B2 |
Provided is a method for manufacturing an electric resistance welded metal pipe by butting side ends of a metal strip against each other and then welding the side ends by high frequency heating to manufacture an electric resistance welde...
|
|
JP6551242B2 |
|
|
JP6553602B2 |
A series of time-sequenced heat energy data arrays or data stream sets of a weld process region are processed by a weld data array or data stream processing system to produce a heat energy data set output that is related to weld process ...
|
|
JP6536518B2 |
|
|
JP6520876B2 |
|
|
JP2019070668A |
To provide a heat energy sensing and processing system and method for a weld region in a welding process by which a stock strip is welded into a tubular product, or in a fusion welding process.A series of time-sequenced heat energy data ...
|
|
JP6500810B2 |
|
|
JP6485463B2 |
|
|
JP6458907B1 |
An electrosewn steel pipe manufacturing apparatus that performs welding while forming a strip-shaped steel plate into a tubular shape while supplying a plasma flow to a pair of butt end faces and shielding the strip-shaped steel plate. T...
|
|
JP6459636B2 |
|
|
JP2019005794A |
To provide a finned tube manufacturing method by which a metal strip is welded to an outer circumferential surface of a metal pipe by electric resistance welding using a high-frequency current that can be output from a generally availabl...
|
|
JP6443411B2 |
|
|
JP6436267B2 |
An electric resistance welded pipe welding device for manufacturing an electric resistance welded pipe that melts both end face portions, of an open pipe having an opening portion extending in a running direction, both the end face porti...
|
|
JP6399264B1 |
This welding operation monitoring system is arranged on the inner side and the outer side of the tubular strip-shaped steel plate, which is opposite to the side to which the plasma flow is supplied, and displays a color image including t...
|
|
JP6394261B2 |
|
