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JPS57152321A |
PURPOSE: To prevent occurrence of buckling phenomena by making hemming work making the projection of end of a cylindrical welded can drum that advances along the hemming part of a flange disk not knocking condition. CONSTITUTION: Uneven ...
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JPS57149027A |
PURPOSE: To impve productivity of continuous manufacture of elbows by attaching and detaching the clamp cylinders in the loading device section and position adjusting device section always at a fixed position in tube feeding process and ...
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JPS57142724A |
PURPOSE: To prevent generation of hollows in the deformed padrt of a pipe and prevent generation of flaws on the outer wall by packing a metal of low melting point in a metallic pipe and press-forming under a condition that its outer per...
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JPS57136523U |
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JPS57134216A |
The invention relates to a method and an apparatus for the manufacture of heat exchanger elements. A pair of strips of weldable material e.g. high-grade steel is welded together in such a way that on both sides a longitudinally extending...
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JPS57127325U |
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JPS57122733U |
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JPS57106519U |
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JPS5725285B2 |
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JPS5779026A |
PURPOSE: To accurately bend pipes without giving any damge to the pipes, by detecting the location of a mandrel and by feeding back the detected signal to a loaction regulating mechanism through a controller when a pipe, into which a man...
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JPS5718015Y2 |
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JPS5718016Y2 |
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JPS5756116A |
PURPOSE: To form a double-bend pipe without dividing and reuniting its outer pipe, by applying a bending work to a double blank pipe after filling up the gap between the outer pipe and inner pipe and the inside of the inner pipe, with a ...
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JPS5749017U |
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JPS5747530A |
PURPOSE: To prevent a mandrel from eating into the inside surface of a bent pipe and to facilitate the removal of the mandrel, by laminating a mild steel plate or combining a plate and a square bar to make a mandrel, and heating the pipe...
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JPS5713374B2 |
This invention relates to a tube-bending machine, which is so constructed that force detection means to detect a force acting in the axial direction of a mandrel under a tube-bending operation is disposed on the mandrel of tube-bending m...
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JPS5739040A |
PURPOSE: To improve work efficiency by placing a metallic elastic body of small specific heat in a tube or hollow part of a hollow plate in the direction of axial line and thereby freezing liquid contained in the hollow part in a short t...
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JPS5736021A |
PURPOSE: To fully pack a horizontally laid pipe with sands, by inserting a flexible tube into the horizontally laid pipe from its one end to its full length, and by evacuating the said pipe. CONSTITUTION: A sand conveying pipe 9 is plung...
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JPS579888B2 |
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JPS5731415A |
PURPOSE: To make a bending process applicable even for an extremely thin walled, small diameter tube through a simple aftertreatment, by applying bending work to a metallic tube which is filled up with water and is freezed up. CONSTITUTI...
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JPS5728631A |
PURPOSE: To prevent inside of a pipe to be bent from creasing and to perform a smooth bending, by inserting a coil spring of a slightly smaller diameter than an inside diameter of a metallic pipe of thin wall, and then subjecting to the ...
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JPS5726918U |
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JPS5722835A |
PURPOSE: To efficiently manufacture a titled crankshaft, by conducting a step- bending operation for an eccentric sliding part at one end of one piece of blank steel pipe as well as forming almost conically shaped lubricating part at the...
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JPS5722836A |
PURPOSE: To produce the titled shafts without lowering the strength at its shaft part, by locating several steps of shallow oil grooves which are pressed and formed to the outside surface of the rotating shaft connecting the motor part f...
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JPS574410B2 |
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JPS5653938Y2 |
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JPS5653939Y2 |
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JPS5652652B2 |
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JPS56165513U |
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JPS5645686B2 |
A circular helical wave guide in which, with a view more particularly to preventing a turn of wire from parting with the cylinder thus constituted, more particularly in the case of bending of the guide, the said wire has a quadrangular c...
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JPS56111525A |
PURPOSE: To manufacture the titled heat insulated pipe in which an expanded heat insulating material is uniformly filled up in the space between an inner pipe and outer pipe, by applying the heat insulating material to the wall surface o...
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JPS56111526A |
PURPOSE: To greatly improve the uniformity of a clearance between an outer pipe and inner pipe at a curved part, by solidifying the liquid filled in the clearance between the outer and inner pipes of a double pipe, and by applying a bend...
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JPS56105825A |
PURPOSE: To easily bend the lead pipe, by inserting a tubular material into the lead pipe, and by bending the lead pipe after sealing compressed air in the tubular material. CONSTITUTION: A tubular material 2 is inserted into the lead pi...
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JPS56105318U |
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JPS5671314U |
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JPS5623941B2 |
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JPS5660530U |
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JPS5653515U |
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JPS5617171B2 |
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JPS5639123A |
PURPOSE: To easily perform the bending work for the thin-walled pipe into a small bending radius, the pipe of high rigidity, etc., by applying the ultrasonic vibration to the mandrel or the bending die, at bending the pipe. CONSTITUTION:...
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JPS5636330A |
PURPOSE: To surely prevent the generation of the shape defect, and to make the following process possible to be greatly abbreviated, by filling the bending part of the pipe blank with a hard block or the sand and the fine grains of the h...
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JPS5613057Y2 |
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JPS5623321A |
PURPOSE: To increase the hydrogen erosion resistance of welded joints by heat treating the weld zone of steel in the range of a fixed temperature after welding the steel. CONSTITUTION: In order to increase the hydrogen erosion resistance...
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JPS564830B2 |
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JPS567422U |
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JPS567423U |
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JPS561166B2 |
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JPS561728U |
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JPS5547248B2 |
A deflection compensating press roll is disclosed in which a stationary beam has a barrel mounted for rotation thereabout and a plurality of hydrostatic elements provide selective hydrostatic support along the length of the roll. The sup...
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JPS55154616U |
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