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JPH07115063B2 |
A tubular blank formed by casting or extrusion or the like and having a relatively thick wall is prepared for a following drawing operation, such as a tandem or cascade drawing, by widening one end of the tubular blank with a shackled ma...
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JPH07323325A |
PURPOSE: To efficiently cool a wire by a small device. CONSTITUTION: A second drum 40 is arranged on the incoming line side of a first drum 30, and a third drum 50 is arranged on the outgoing line side of the first drum 30. A wire 10 is ...
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JPH0744453U |
[Purpose] Provide a cooling mechanism that prevents cracks and excessive wear, uneven wear, and seizure due to thermal fatigue of metal wire drawing or drawing dies, and extends the life of the dies. [Constitution] The die case provided ...
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JPH07299515A |
PURPOSE: To form a long life double-profile drawing tool. CONSTITUTION: A double-profile drawing tool is composed of a mandrel having a double-profile drawing die, a housing body, and an element for fixing the mandrel in a housing body. ...
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JPH07275923A |
PURPOSE: To prevent the chatter vibration of a material in a reduction work. CONSTITUTION: An intermediate part in the longitudinal direction of a material 1, is clamped on the inlet side and/or the outlet side of a die. The clamping mea...
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JPH07275977A |
PURPOSE: To restrict deforming of a tube to be machined caused by the cutting resistance and to improve the machining precision of a fin by making a rotating cutting tool in contact with an internal wall surface while reducing the tube t...
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JPH0796125B2 |
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JPH0794047B2 |
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JPH0744321Y2 |
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JPH0794046B2 |
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JPH07256336A |
PURPOSE: To produce a inner surface grooved tube for heat exchanger to deep groove in high speed and high quality. CONSTITUTION: A grooved plug 2 is inserted in a metal tube 1 free to rotate and is arrayed along a tapered inner periphera...
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JPH0790254B2 |
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JPH0741521Y2 |
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JPH0785810B2 |
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JPH0785809B2 |
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JPH0780009B2 |
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JPH0775732B2 |
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JPH0775731B2 |
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JPH0775733B2 |
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JPH07214140A |
PURPOSE: To improve durability of a die itself, to uniformalize a wear of a dieing hole and at the same time to improve its wear-resistance by improving quality of the diamond of a wire-drawing die material. CONSTITUTION: A CVD diamond i...
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JPH07214139A |
PURPOSE: To improve a crystal grain structure for improving an anti-wear characteristic and a uniformity of wear by giving an opening which extends through the body of a CVD diamond which has a specified thermal conductivity and is optic...
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JPH07214138A |
PURPOSE: To improve durability of a die itself, to uniformalize a wear of a wire-dieing hole, and at the same time to improve its wear-resistance by improving quality of the diamond of a wire-drawing die material. CONSTITUTION: A CVD dia...
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JPH07208999A |
PURPOSE: To provide a manufacturing method for a vibrator having a high manufacturing yield. CONSTITUTION: A wire rod 10 comprising metal material is formed so as to have the diameter of 5mm with a cylindrical die 12 and further cut into...
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JPH07199507A |
PURPOSE: To realize a higher mirror finished surface characteristic by executing drawing while not reducing but expanding a pipe. CONSTITUTION: An extruded aluminum pipe 1 is subjected to one or 2 times of drawing while the pipe is being...
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JPH07199506A |
PURPOSE: To improve the drawing speed by cooling at least either an aluminum pipe or drawing die, then drawing the aluminum pipe. CONSTITUTION: The one or both of the extruded aluminum pipe 1 and the drawing die 2 are cooled down to ≤1...
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JPH07199505A |
PURPOSE: To increase the drawing speed in a process for producing aluminum pipe for a photoreceptor substrate formed by subjecting an extruded pipe stock to drawing. CONSTITUTION: The extruded aluminum pipe 1 is subjected to drawing whil...
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JPH07195115A |
PURPOSE: To provide a cold drawing device by which generation of flaws is prevented and highly precise and high quality working is performed. CONSTITUTION: In the drawing device for a tube in which the tube is inserted in a die to be dra...
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JPH07187774A |
PURPOSE: To enable the supply of a sintered ZrO2 material having remarkably high strength at a low cost and to produce a material for a crushing part having high strength, toughness, abrasion resistance, heat stability and crushing effic...
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JPH0763752B2 |
Clamping system for the die box of a continuous drawblock apparatus providing an infinitely adjustable position about a first axis after the drawbox has naturally rotated to the correct drawing position whereby the tubing exits from the ...
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JPH07164041A |
PURPOSE: To provide a drawing method for a duct by which the inside surface with reduced gas release and light stimulating release by radiated light irradiation under high vacuum can be formed, a drawing device for executing the method a...
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JPH07164040A |
PURPOSE: To enhance the durability of die itself, to uniformize the degree of wear of wire drawing hole, and at the same time to improve wear resistance by improving the quality of diamond for wire drawing die material. CONSTITUTION: In ...
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JPH0788537A |
PURPOSE: To provide a proper efficient manufacturing method of a reducing steel tube which is suitable to being adopted for a drive shaft for vehicle or the like. CONSTITUTION: At the time of inserting a plug 3 into a tube stock 1 and si...
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JPH0780537A |
PURPOSE: To improve operational efficiency in a wet die method for metallic wire by enhancing lubricity and improving drawing force for the metallic wire. CONSTITUTION: In this drawing method in which a high pressure fluid is supplied to...
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JPH0724858B2 |
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JPH0710803Y2 |
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JPH0760334A |
PURPOSE: To provide a production device of a tube with internal grooves which has an excellent radiating property, an excellent durability even when grooving is highly speedily made and a stable quality. CONSTITUTION: The device has a gr...
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JPH0760335A |
PURPOSE: To prevent the production of burning flaw and increase the working capacity by setting the contact angle of a die and a blank tube in a specific range in drawing a lubricated steel tube of carbon steel or alloy steel, etc. CONST...
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JPH0716828B2 |
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JPH0751735A |
PURPOSE: To supply a lubricating oil to the outside surface of a metallic tube so that burning is not caused on the outside surface of the metallic tube also in the case of drawing in which the drawn part of a die is provided at least in...
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JPH0751734A |
PURPOSE: To reduce the generation ratio of defective products by supporting a product making die on the outgoing side of a holder, supporting on the incoming side of the holder a straightening die whose thickness of a straight part is la...
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JPH0751753A |
PURPOSE: To obtain a device which expedites the change of a cage and balls and has a long effective by executing lubrication of a cage provided with a actuating member having a specific internal profile and all portions within the cage. ...
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JPH076969Y2 |
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JPH0712485B2 |
PURPOSE:To obtain a die having a long wire drawing life by using synthetic diamond Ib type single crystal containing a specific amount of nitrogen in crystal and having a plane vertical to the wire drawing direction as a specific cleavag...
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JPH0739923A |
PURPOSE: To stably impart a large reduction rate of sectional area by controlling thrusting force at a value of specified times the yield load of a base stock before the base stock is worked. CONSTITUTION: The base stock 1 is put on the ...
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JPH074637B2 |
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JPH0716642A |
PURPOSE: To work with oil-lubricating as same as chemcial conversion and to save processes by using polymer selected among linear olefin polymers as the lubricating oil and an extreme pressure performance improving agent. CONSTITUTION: M...
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JPH0716662A |
PURPOSE: To improve parts life and machining accuracy of the device by forming a groove on the inside surface of the part to be machined of a tube through the rotation of a grooving plug as the tube to be machined is moved in the axial d...
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JPH0716641A |
PURPOSE: To control slipping or rubbing on a contact part of a working roll and a back-up roll by arranging rolls having two different diameters in the longitudinal direction of the shaft in series as a 2nd roll and also making a 1st rol...
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JPH0686806U |
[Purpose] Provided is an apparatus capable of manufacturing a grooved spacer for accommodating an optical fiber unit with high productivity. [Constitution] A plurality of roll stands 1 to 4 for grooving through a wire rod through a hole ...
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JPH06320211A |
PURPOSE: To stably execute wire drawing without the generation of peeling in the clad part and breaking during wire drawing at the time of drawing a composition wire rod having a soft cladding material as the surface. CONSTITUTION: At th...
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