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JPS63154213A |
PURPOSE: To reduce a shock force applied to a die body at the time of removing a press residue and prevent damage to the die body by previously applying a mold lubricant to Al billet faces, a face of a die contacting with the billet, and...
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JPS63149011A |
PURPOSE: To prolong the service life of a die by forming a nib of a ceramics and a die case of a hot toll steel respectively and installing an intermediately fitting case having an intermediate thermal expansion coefficient between the n...
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JPS63149012A |
PURPOSE: To increase the extrusion speed and to improve the product quality by forming a die body of a zirconia base ceramics. CONSTITUTION: A die body 1 consisting of a bearing part 1a and relief part 1b is made of a zirconia base ceram...
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JPS63130214A |
PURPOSE: To prevent damages caused by a thermal stress of the surface and a tensile stress at exfoliating residues and to extend a life-time of a die by cladding with a reinforcing member equipped with a tapered hole opened outward on a ...
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JPS6327090B2 |
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JPS63108909A |
PURPOSE: To improve resistance to seizure, wear and corrosion by using ceramics to the working surface of an extruding tool. CONSTITUTION: A ceramic insert 2b is freely attachably and detachably fitted to a base body 2a in a part corresp...
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JPS6384821A |
PURPOSE: To enable simplifying a relative position control between a wire electrode and a workpiece in a machining process for a rear flank part by using a wire electric discharge machine having a wire electrode vertically controllable i...
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JPS6317526B2 |
A process for the extrusion of tubes or similar hollow sections from a billet is disclosed within the billet is forced against a hollow extrusion die surrounding a mandrel and a mandrel support. A core passing through the extrusion bille...
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JPS6317004B2 |
A rotary wheel member for use in a friction type, conform extrusion apparatus is made by producing a rotary wheel 10 having formed in its peripheral parts a continuous radially-extending groove, and securing in that groove an annular met...
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JPS6372421A |
PURPOSE: To facilitate the manufacture of a die, to perform extrusion of wide flat plate stock, and to obtain stocks having good surface properties and dimensional accuracy by comprising the die by detachably fixing a bearing member to a...
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JPS6368218A |
PURPOSE: To facilitate the manufacture of less eccentric composite wires by specifying the center position of a nipple and a die against the cross section center of a composition chamber for conform method. CONSTITUTION: A raw stock to b...
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JPS6363527A |
PURPOSE: To automate an operation for exchanging dies by mounting supporting stands on which a die carrier is mountable to a movable base and elevating the supporting stands in such a manner that the groove aperture of the die carrier is...
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JPS6363526A |
PURPOSE: To contrive to improve wear resistance and antiseizing property of tools by forming an oxide film on a contacting surface of a hot extruding tool with a material to be extruded. CONSTITUTION: On the contacting surface of a dummy...
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JPS6341310U |
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JPS6340614A |
PURPOSE: To form bulged large diameter parts and recessed groove shape small diameter parts on an extruded shape at prescribed spaces between them by forming plural annular recessed grooves or annular projection ribs on the mandrel perip...
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JPS637852B2 |
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JPS632167Y2 |
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JPS632862A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS62296910A |
PURPOSE: To reduce a friction coefficient, to reduce the breakage while under manufacture of a composite wire and to improve the productivity by coating a diamond-shaped carbon on the inner face through which the material becoming a core...
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JPS6261106B2 |
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JPS62289320A |
PURPOSE: To feed a material from two directions to an extruding die and to form the composite wire having less thickness deviation by restraining the external side of each roll with the restraining face by arranging a pair of rolls in an...
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JPS6260178B2 |
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JPS6258805B2 |
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JPS62279018A |
PURPOSE: To attain prolongation of the die service life and others by placing the front end face of a male die in a position retracted from the bearing part of a female die in the container direction and self-specifying a sectional shape...
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JPS6255937B2 |
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JPS62263822A |
PURPOSE: To reduce variance in sectional dimensions of products by making a preliminary forming die hole being roughly resemble or similar to the final sectional shape of hollow stocks, etc. and a flow straightening inside cavity part wh...
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JPS62179111U |
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JPS6243602Y2 |
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JPS62259614A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6251687B2 |
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JPS62248532A |
PURPOSE: To form members free from an underfill and a lead error by satisfying a specified equation as to an inclination angle of an introduction part leading to a required twist angle of a die extruding forming a screw shaped parts. CON...
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JPS62244523A |
PURPOSE: To prevent the generation of a thickness deviation and the disconnection of a core wire by providing in parallel two pieces of core wire insertion holes on a nipple and press-fitting a coating material on two pieces of core wire...
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JPS6250206B2 |
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JPS6250205B2 |
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JPS6250204B2 |
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JPS62238016A |
PURPOSE: To reduce the manufacturing cost and to simplify the management by separately manufacturing a bearing member and a relief member and forming a die body by combining the above two members. CONSTITUTION: A die body 1 is divided in...
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JPS6239848Y2 |
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JPS6239847Y2 |
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JPS62228311A |
A drilling tool having at least one helical fluid flow channel at its interior, composed of a hard metal core having an exterior surface and a hard metal tubular casing having an interior surface, the casing enclosing the core with their...
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JPS6246622B2 |
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JPS62142410U |
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JPS62142409U |
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JPS6241807B2 |
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JPS62126921U |
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JPS6233009B2 |
A process for manufacturing a hot extruded product from a continuously cast stainless steel or super alloy billet comprises cold working the surface of the billet, heating the billet to extrude it and at the same time to provide a fine r...
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JPS62109808U |
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JPS62101641U |
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JPS6222250Y2 |
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JPS6222247Y2 |
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JPS6222249Y2 |
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