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JPH0325245B2 |
In this method, the crankshaft is constructed from individual moulded pieces, each having a crank web and two pin sets 2, 3. Associated pin parts are pushed onto a common sleeve 6 and this is plastically deformed by the application of pr...
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JPH0364403A |
PURPOSE: To easily form the subject member for sintering at a low cast by retreating a needle from a die member after feeding under pressurizing and filling up plastic kneaded material into a forming device composed of a mouth piece havi...
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JPH0319407B2 |
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JPH0310720A |
PURPOSE: To shorten a work time by manufacturing a valve sleeve with a bottomed material forming stage, cylindrical material forming stage, an inner diameter cutting stage, a ring welding stage and the inner face finishing stage. CONSTIT...
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JPH03517B2 |
A rotor for a rotary slide-vane vacuum pump and a method of producing same comprises providing two rotor sections, each having a shaft stub, a rotor portion and a plane or contact surface produced by lathing, forming axial slot portions ...
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JPH02308993A |
PURPOSE: To shorten a time for machining and to avoid the waste of materials by plastically machining a long and narrow vane material to form at least a front face, a rear face and a chamfered portion, and after cutting it, grinding both...
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JPH02303728A |
PURPOSE: To improve the circulation state of fuel by cutting off a needle blank from a forming rod having a groove extended in a longitudinal direction, twisting the needle blank to be helical and then cutting the needle blank to obtain ...
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JPH0259594B2 |
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JPH0259595B2 |
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JPH02283810A |
PURPOSE:To improve productivity and quality by forming an arm valve rocker having a spherical surface supporting part from a raw material, burning and attaching a sintering chip thereon so as to carry out carburization hardening, and aft...
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JPH0253147B2 |
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JPH0248754B2 |
A rotor (25) of a fluid energy translating device, wherein the rotor (25) has an annular passage (47) entirely within the rotor (25), a plurality of radially extending vane slots (35) intersecting the passage and axial openings (49) inte...
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JPH02241469A |
PURPOSE: To easily carry out a finishing work by the constitution that one surface includes a plurality of a small concave, and the each one of the small concave provides an almost limited shaped contour and size at the meeting point wit...
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JPH02237727A |
PURPOSE: To make it possible to accurately manufacture a minute machine part and to have excellent productivity by making an adhesion layer thin film and a part layer thin film on the former film on a hard substrate, forming the pattern ...
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JPH02232120A |
PURPOSE: To improve machining accuracy of a stator by taking an inner bore profile or a stator for a pump or a motor with an eccentric shaft as outer machining surfaces, manufacturing it by dividing machining, disassembling in the longit...
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JPH02225812A |
PURPOSE: To simplify a structure, to facilitate assembly and to dispense with a conical expansible body by forming an internal thread to be transferred to a tapered threaded hole on a cylindrical hole part of an expansible sleeve formed ...
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JPH02224929A |
PURPOSE: To reduce a manufacturing cost and to increase the accuracy of a product by forming an aluminum extension material by an extrusion molding method in a sleeve shape, and forming a port by its opening by performing machining there...
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JPH0237806B2 |
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JPH02209611A |
PURPOSE: To contrive to positively secure fastening at low cost by providing thin wall flanges which are extended at right angle to a screw hole for fastening sections wherein screw holes are made. CONSTITUTION: Each thin wall flange sec...
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JPH02209439A |
PURPOSE: To manufacture the precision member made of Al alloy having extremely fine surface roughness and having an excellent mirror-like face by casting the molten metal of Al alloy into the stock having a directionally solidified struc...
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JPH0223288B2 |
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JPH0295520A |
PURPOSE: To obtain a low cost cutting/grinding device by providing a rotational main shaft that holds and rotates a work piece to be processed and a feed table that exchanges and mounts a bite and a pat jig each other. CONSTITUTION: In t...
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JPH0220610A |
PURPOSE: To manufacture a cold rolled stainless steel strip having good properties for buffing with high yield by immediately deciding the properties for buffing by surface inspection after pickling and immediately grinding the strip as ...
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JPH022034B2 |
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JPH029535A |
PURPOSE: To simplify a manufacturing process by a method wherein, in a manufacture of a thin base sheet, e.g. crystal, silicon, the end surface of an ingot is ground in a flat manner and the end surface side is cut to a thin piece with a...
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JPH029536A |
PURPOSE: To improve production efficiency and to prevent production of burrs by a method wherein inner and outer cylinder bodies are molded by hot forging, and after the cylinder bodies are cooled in an interference fit state, a through-...
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JPH0158664B2 |
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JPH01306207A |
PURPOSE: To obtain very easily a high precision surface accuracy, dimensional precision and geometric precision, by setting and holding an insert by which a plurality of optical surfaces are formed in a notch of holding member attached o...
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JPH01292618A |
PURPOSE: To reduce the dispersion of the quality of a slider by performing multiple work including vertical work, thickness work, grooving work, bevel work, separation work after forming the blank material of a pair of the sliders of non...
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JPH01289533A |
PURPOSE: To omit the manufacture and loading of a push pin, to save a material and to save the labor in working by forming the shaft hole having a taper hole on a bolt billet and locating a push pin at the large diameter part of the tape...
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JPH01273603A |
PURPOSE: To reduce the formation of a saw cut burr by cutting by a hot saw after forming a groove on the surface of the cutting final part running along the cut line of a cast billet. CONSTITUTION: A groove 3 is provided on a billet 1 by...
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JPH01271128A |
PURPOSE: To facilitate a fine pattern forming by coating a photoresist on the tool face, removing the resist in the pattern shape exposed through a pattern forming mask and removing the remaining resist by executing a chrome plating on t...
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JPH01271129A |
PURPOSE: To omit or facilitate broaching by forming a tubular member in the shape corresponding to a spline hole and casting in this tubular member by imbedding in a mold. CONSTITUTION: A spline 4 is subjected to drawing by the carbon st...
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JPH01266927A |
PURPOSE: To prevent rivets from being taken out of a roller shaft by penetrating a rivet having a head part larger than a shaft diameter on one end and a hole part on the other end into bearing parts of rollers and a frame and then expan...
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JPH01262201A |
PURPOSE:To improve an external appearance and joining strength by forming a fitting projection part on one part of the end face of a rim stock and a fitting recessed part on the other part of the end face and joining the end part by fitt...
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JPH01262057A |
PURPOSE: To produce sewing machine parts and accessories which are durable and lightweight by injecting a molten zinc alloy by a strong pressure into a die to cast the molten alloy and subjecting the castings to a surface plating then to...
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JPH01252319A |
PURPOSE: To cause the direction of a micro crack generated in the surface of a part to be bonded to extend in parallel to the direction of a tensile stress generated on the surface of the part to be bonded after bonding with a metallic m...
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JPH01240224A |
PURPOSE: To remove the distortion of suction holes and improve the accuracy of a suction chuck by forming a sintered body of a ceramic and opening a plurality of holes passing through the sintered body in the thickness direction. CONSTIT...
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JPH01234102A |
PURPOSE: To produce a precise torus and a bow-shaped piston segment by a simple two-shaft NC machine by machining the opposite surface by exposing/supporting/ machining/reversing the semitorus surface of a rough torus machining member ha...
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JPH01210225A |
PURPOSE: To manufacture an optical disc in a short time and to reduce the manufacturing cost by cutting the upper surface of an upper stage portion in such a manner as to have a fixed surface roughness, making an electroless nickel plati...
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JPH01205939A |
PURPOSE: To obtain the simple method for manufacturing needles in a wide application range by etching-treating a metal wire on which a deformed or broken part is formed, on the surface of an electrolytic liquid or in the electrolytic liq...
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JPH01193003A |
PURPOSE:To enhance the yield of a raw material and a product, and durability, by applying step down work on a seal sliding surface of a side housing raw material after carrying out shot peening on said sliding surface, and forming a flam...
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JPH01183327A |
PURPOSE:To improve the light resistance in a convex axicon for a CO2 laser by grinding a face to be worked to a conical surface parallel to a convex axicon remaining a vertex and its vicinity intact, and grinding the face by a single cry...
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JPH01154307A |
PURPOSE:To prevent chipping by removing the chipping, which is generated in the edge part of a cut groove at the time of forming the cut groove by a 1st rotary blade, by cutting using a 2nd rotary blade. CONSTITUTION:The cut groove havin...
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JPH0130037B2 |
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JPH01153226A |
PURPOSE:To facilitate the working of a seat face of a mounting flange by inserting a rotary shaft of a seat face working tool through a slit to work the seat face on which a fastening member is seated in the inside port edge of a through...
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JPH0129673B2 |
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JPH0188044U |
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JPH0128654B2 |
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JPH01141234A |
PURPOSE: To transmit load with a high capacity and a high efficiency by substantially compensating for a revolution element deformed by bending moment and shear stresses under the effect of the load on a peripheral wall of a trunnion and...
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