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JPS57501947A |
A process for preparation of support tooling for extruding dies is described in which a substantial reduction in machining is experienced by utilizing a pattern destroying precision casting system in which the pattern is adjusted to shri...
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JPS5750117Y2 |
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JPS57170818U |
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JPS57170816U |
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JPS57170817U |
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JPS57173431A |
PURPOSE: To contrive to facilitate the machining of through grooves and consequently to improve the dimensional accuracy by a method wherein a number of holes are bored on one block body and the through grooves are cut on the other block...
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JPS57159213A |
PURPOSE: To strengthen the metallic bonding between the core material of a composite wire rod and the sheathing material of it, by making the cross sectional area of an extruding chamber of the composite wire rod perpendicular to the dir...
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JPS57152319U |
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JPS5742567Y2 |
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JPS5742781B2 |
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JPS57136510U |
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JPS57127317U |
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JPS5736044B2 |
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JPS57122715U |
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JPS57109519A |
PURPOSE: To improve durability of a die and to obtain a work of excellent surface quality by shrink fitting or pressing-in a die composed of silicon nitride or silicon carbide ceramics into a case made of steel. CONSTITUTION: In a die co...
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JPS57109520A |
PURPOSE: To enable maintaining of uniformity in accuracy of extruded products and reduction of press cycle time in indirect extrusion press by cleaning inside of the container by loosed die itself and continuously using the extrusion for...
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JPS57106426A |
PURPOSE: To prevent occurrences of cracks in the titled nozzle and to extend the life, by specifying the conical shape at the inlet side of the nozzle for extruding metallic wires and characters of the cylindrical part at the midway of t...
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JPS5725284B2 |
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JPS5783322A |
PURPOSE: To finish a die unit to an accurate taper angle, by combining the port and die of the die unit with each other, engaging the mandrel of the port in the hole of the die, vertically moving a spark erosion machining electrode down ...
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JPS5779019A |
PURPOSE: To easily perform extrusion in prescribed dimension and shape, by installing a straightening block at the outlet side section in the die in such a way that the block rocks in accordance with meandering movement of shaped materia...
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JPS5772721A |
PURPOSE: To make the correction of thickness deviation easily and accurately by enlarging the amount of operation of adjusting section by combination of rotation of a nipple and tilting around a point on the axial line near the nipple su...
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JPS5715536B2 |
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JPS5752516A |
PURPOSE: To manufacture an extruded aluminum shape reinforced with an easily formed wavy surface, by giving a relief pattern to bearing parts of a core and a cap and to a back clearance of the cap, and by increasing the speed of Al flowi...
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JPS5744612U |
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JPS5737507U |
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JPS578969Y2 |
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JPS5725217A |
PURPOSE: To improve the accuracy and productivity of scroll laps by disposing an extrusion die between rolling rolls and bending rolls, and passing a strip through the die at its rolling thereby chamfering the corner parts of the strip a...
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JPS573610Y2 |
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JPS579525A |
A device for manufacturing, by extrusion, a piece having a recessed portion in its lateral surface, and, on one side, a head and, on the opposite side, a tail, which device comprises a fixed die holder containing a die, a punch borne by ...
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JPS57965Y2 |
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JPS5653922Y2 |
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JPS56169907U |
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JPS5650644B2 |
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JPS5650643B2 |
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JPS56154215A |
A process and apparatus for the indirect extrusion of hollow sections over a mandrel having a diameter dD from a plurality of billets each having a diameter don wherein the volume throughput of metal is greater than that obtained by the ...
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JPS56141910A |
PURPOSE: To extrude the sheets of various thickness by only changing thickness of the body of the parting punch, and to improve the production efficiency, by forward pushing the ram from one end of the container provided with a die on an...
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JPS56136221A |
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JPS56126020A |
PURPOSE: To make continuous extrusion possible and obtain a tubular body which is stable in quality in the longitudinal direction by forcing a blank material into a pressurizing chamber by the friction with rolls and extruding the same a...
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JPS56122617A |
PURPOSE: To extend the service life of the plate die, by forming a space between the flow guide and the die packer, and by setting in this space a small thin plate die attachably and detachably leaving a proper clearance. CONSTITUTION: A...
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JPS56111522A |
PURPOSE: To manufacture an extruded product with excellent surface condition, by employing a die provided with an approach and a flat face in sizes restricted by a specified relational formula. CONSTITUTION: A conical approach 8, and a f...
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JPS5634806Y2 |
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JPS5674315A |
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JPS5622283B2 |
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JPS5621834B2 |
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JPS5656720A |
PURPOSE: To simply form the exact cylindrical body, by installing the jig for locating the pin, being inserted into the nozzle of the die and set to the chrysanthemum- shaped metal fixture, exactly at the center. CONSTITUTION: The jig 7,...
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JPS5657732U |
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JPS5655510U |
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JPS5655508U |
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JPS5655511U |
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JPS5620085Y2 |
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