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JPH09271850A |
To produce a straight and accurate pitch torsion flat steel. A flat steel 2 of freely fitting is entered inside a round tube 1, further freely fitting steel balls 3 are entered by a proper number on the both sides of the flat steel and m...
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JP2661486B2 |
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JP2661993B2 |
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JPH09254095A |
To simultaneously and automatically perform a making process displaying a bridge work position, also so as to accurately and quickly perform bridge work, in an automatic work device of band blade performing bending work of specified shap...
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JP2548763Y2 |
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JP2653922B2 |
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JP2547393Y2 |
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JP2651710B2 |
A small-diameter metallic conduit bending machine comprises a stationary frame with a guide surface, a bending member for pressing a metallic conduit against the stationary frame, and an actuator for moving the bending member via a lever...
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JP2547353Y2 |
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JPH09228596A |
To easily bend a strip metal plate such as a gutter receiving metal fitting in a construction site without being distorted by providing a pair of abutment parts mutually opposed through a prescribed distance and each having round ends, a...
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JP2544326Y2 |
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JP2544320Y2 |
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JP2639203B2 |
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JP2637670B2 |
PURPOSE: To change a pitch Pn between coils of a steel strip through a numerical control system by utilizing conversion of drive pulse of a servo actuator when the steel strip is coiled spirally on a mandrel to manufacture a screw. CONST...
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JP2633803B2 |
PURPOSE: To prevent friction from generating in sliding parts by providing a partially fixed die of a crankshaft, movable die for forming by which other parts are held in compression and rotated, driving means for the movable die, plural...
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JP2633164B2 |
PURPOSE: To enable high grade bending or twisting while a spring back amount is precisely predicted regardless of the lot and/or individual difference of a material to be worked. CONSTITUTION: While the load or torque applied on the mate...
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JP2634364B2 |
PURPOSE: To control increase or decrease of the thickness of a base material at the time of bending and to obtain an accurate bending dimension, in the manufacture of the steady brace of an nuclear steam generator and other sheet bent pa...
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JPH09186480A |
To provide a member for EMC countermeasure which can be used briefly for an electronic apparatus casing, and in which cost is lower with applicability. A spring 1 for EMC countermeasure is manufactured with a metal plate having conductiv...
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JP2626496B2 |
PURPOSE: To execute bending by means of linear heating of a metal plate without depending on skilled engineer. CONSTITUTION: After the geometrical information of initial shape and objective shape is inputted (step 1), the mesh dividing o...
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JPH09155458A |
To automatically and easily bend a hull shell to a target shape without requiring experience and a special skill, moreover, without moving the hull shell. The shape of a hull shell 2 to be heated subject to rough bend- working is measure...
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JPH09155459A |
To automatically and easily bend a hull shell to a target shape without moving the hull shell. The shape of a hull shell 2 to be heated subject to rough bend- working is measured, and this measured shape data and target shape data are co...
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JPH09155457A |
To efficiently and speedily perform heating bend-working when performing the heating bend-working of a hull shell into a target shape by an automatic heating bend-working device. This surface plate with cooling water jetting nozzles on w...
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JP2618123B2 |
PURPOSE: To provide the method and the device for bending a metallic plate by a laser beam, by which bending of 90° can always be executed irrespective of length of bending part, and also, bending of high quality is obtd. without suffer...
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JPH0986514A |
To provide a coil packing inner ring that is hardly broken on loading and unloading and capable of protecting certainly the corner on the inner diameter of a coil product, and to provide a manufacturing method therefor. A coil packing in...
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JPH0976025A |
To make it possible to bend a metal sheet by hand or a simple tool by weakening the metal sheet along a bend line before bending it. The metal sheet 14 is weakened along bend lines 10 and 11. To weaken them, grooves 19 are formed on the ...
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JPH0970620A |
To provide a method for bending a sheet at an acute angle capable of eliminating local steps in a bent part in achieving the sheet at an acute angle, preventing the strength of the bent part from being reduced, simplifying a bending equi...
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JP2588759B2 |
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JPH0957349A |
To suppress changes in the quality due to impacts, etc., generated during the transportation by pressing up/down a part of a leaf spring, etc., by angle adjusting upper and lower dies to adjust the angle. The shape of a work 1 on a work ...
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JPH0910851A |
PURPOSE: To simply, quickly and freely change the holding interval of reinforcing bar between a bending roller and support column without preparing plural bending rollers, further to smoothly bend a specially shaped bar. CONSTITUTION: A ...
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JP2521760Y2 |
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JPH091254A |
To provide a method and a device for elongation control forming In which no elongation, wrinkle or cracking is generated without being suppressed by a work during the press. A work 14 (semi-fabricated product) is formed between forming f...
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JP2557997B2 |
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JP2518731Y2 |
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JPH08309444A |
PURPOSE: To produce a platelike part having partial thickness part without using a large press machine. CONSTITUTION: By folding/overlapping part of a platelike member 5 with folding process and pressing/tightly adhering an overlapped pa...
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JP2555016B2 |
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JP2517519Y2 |
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JPH08300055A |
PURPOSE: To produce a tube having ruggedness and smooth in part by rotating a working disk arranged radially from tube axis in synchronizing with movement of tube and expanding/reducing its distance to tube axis so as to reduce friction ...
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JPH08290218A |
PURPOSE: To increase working efficiency and to improve the safety of working by mechanizing the bending work of a steel sheet. CONSTITUTION: Many supporting pillars 3 the height of which is adjustable are arranged at proper intervals and...
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JPH08281338A |
PURPOSE: To provide a working method for a helical shape made of a metal, by which a highly accurate and arbitral lead angle can be easily attained. CONSTITUTION: A straight shape 5 made of a metal with plural teeth 4 extending in a radi...
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JP2545912B2 |
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JPH08261081A |
PURPOSE: To reduce sound which penetrates pipe walls in the inside and outside of a bent section of branched pipes. CONSTITUTION: This is an intake manifold provided with a plenum chamber 1 which is made of aluminum and has an intake inl...
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JP2534245B2 |
A bending machine comprises a support to which first and second spaced cooperating bending devices are displaceably mounted. Each of the bending devices comprises first and second spaced cooperating bending components and the components ...
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JPH08215737A |
PURPOSE: To improve the cooling efficiency of a cooling block for semiconductor elements for cooling the semiconductor elements by passing a cooling medium in circulation paths disposed within the cooling block consisting of metal. CONST...
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JPH08206757A |
PURPOSE: To improve finished surface condition as well as to reduce working force by executing extension forming to the section while heating extension forming section of material to be extension formed. CONSTITUTION: Each heater H local...
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JPH08206743A |
PURPOSE: To prevent cracks from generating in forming a cross-sectionally channel shaped article that is bent horizontally. CONSTITUTION: A long planar blank W which is restrainedly pressed by a die 3 and a puncla 10 is formed into a cha...
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JPH08187519A |
PURPOSE: To provide a shape for bend-working and a bend-working method for the shape for the bend-working, by which buckling in the axial direction and the deformation of a sectional shape in a main body can be prevented even when bend-w...
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JP2514615B2 |
An installation for producing girders for building or the like uses a pair of clamping and bending units to clamp and bend strip material in incremental steps to provide shaped strip with a castellated profile used as a web. The pre-shap...
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JP2506016B2 |
PURPOSE: To prevent the twist of a bar and to precisely execute a spiral work by holding the bar between a center roller and an auxiliary roller, feeding the bar with driving of the center roller and progressing the bar while holding wit...
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JPH08505343A |
(57) [Summary] A method of manufacturing a pallet from various metal folding mold pieces having a predetermined shape, and a molding device for forming a conveyor forming a part of a necessary tool device. In this method, several first m...
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JP2503302B2 |
In an etching device (1) for the ends of flexible printing plates (2) for rotary printing machines, a supporting surface (7) of a machine table (3) for the printing plate has a concave shape. The supporting surfaces (11, 12) of two saddl...
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