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JP60141436 |
PURPOSE: To prevent the slackness of a nut by making fine the surface roughness of the bearing surface for a bolt and the nut. CONSTITUTION: A conical working roller 3 is attached under a prescribed pressure onto a connecting-rod body (a...
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JP60127928 |
PURPOSE: To achieve uniform machining face efficiently by providing a multi impact pin device having many impact pins while forming the end of said pin spherically and hardening the surface of work by means of impact pins thereby elimina...
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JP60096719 |
PURPOSE: To provide indents continuously on steel sheet surface which is effective in decreasing iron loss by embedding or flame-spraying high hard materials on the roll surface to provide specified sized fine protrusions on the roll sur...
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JP60096379 |
PURPOSE: To improve working efficiency and accuracy of a product by knurling simultaneously opposite sloped grooves of a forging and shaping roll by using a disc-shaped cutter. CONSTITUTION: Approximarly circumferential groove is formed ...
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JP60052213 |
PURPOSE: To engrave a thread groove on a roll circumferential surface efficiently, besides in an economical manner, by setting up a turning plate having a bladelike, hard angular section and a work roll in a state that both axial cores a...
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JP59219121 |
PURPOSE: To make it possible to simply and accurately finish a shaft-like quenched steel with the use of a single function lathe, by varnishing the quenched steel with the use of a ceramic roller after or simultaneously with the cutting ...
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JP59084692 |
PURPOSE: To apply compression residual stress, increase the strength of a propeller and improve the reliability by pressure-bonding or pressure-sticking the defective cast, with a pressurizer, on a predetermined area of a propeller blade...
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JP59016632 |
PURPOSE: To form automatically a chamfered part when a winding bush bearing is obtained, by projecting an inclined face from the surface and the reverse side of a blank, and forming a cut face having an edge line part by joining both inc...
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JP58160021 |
PURPOSE: To make it easy to remove burrs on a molded product by a method wherein thrust-down sections corresponding to the positions of the burrs on the product are provided and the product and thrust-down sections are oscillated relativ...
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JP58141828 |
PURPOSE: To obtain metallic surface that has stable coefficient of friction under oil lubrication by pressing the surface of metal that performs torque transmission with an uneven face of high hardness and then pressing with a flat face....
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JP58126057 |
PURPOSE: To effect hairline working by automation with a high accuracy by a method wherein the hairline working is applied to the sleeve of the magnet roll, revolving an abrasive belt such as a belt-type or continuous sand paper or the l...
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JP58107292 |
PURPOSE: To generate plastic deformation locally and to erase the residual tensile stress in the circumferential welded joint of pipes easily by applying reiterative impact forces upon the inside surface of said joint by using a hammerin...
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JP58094936 |
PURPOSE: To provide a method of processing the anti-reflex peripheral surface of a lens without using polishing powder and making chips, by using vibratory needles to make an aventurine pattern. CONSTITUTION: A lens 11 secured with lens ...
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JP58084615 |
PURPOSE: To easily finish the outer surface of a bar-shaped body into the prescribed shape, by loosely fitting the bar-shaped body into a forming cylinder having an expansion coefficient smaller than that of the bar-shaped body, and cool...
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JP58082672 |
PURPOSE: To provide a cross pattern easily, stably with high accuracy, onto the surface of a rolling, roll by pressure contacting the grindstone particle adhered to a working member against the outercircumferential face of a tubular memb...
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JP58067821 |
PURPOSE: To uniformly harden the inner surface of a metal pipe in a smooth stage as well as to impact compression residual stress, by a method wherein plural steel ball groups are contained in the metal pipe to rotate said metal pipe and...
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JP58045816 |
PURPOSE: To reduce wear in the peripheral edge of the outlet part of a discharged hole in a spinneret by coating a thin TiN film on the outer surface of at least the forward end of a reamer tool made of hard metal alloy. CONSTITUTION: Ti...
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JP58034734 |
PURPOSE: To permit the cutting process by a cutting tool and the thread rolling process by knurling tools to be performed at a time in one process by installing a plurality of knurling tools and a cutting tool on a tool rest. CONSTITUTIO...
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JP57154365 |
PURPOSE: To modify the inside surface of a centrifugally cast steel pipe with smaller margins for working by subjecting the part near the final solidification layer near the inside surface of the steel pipe to hot plastic working in orde...
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JP57110618 |
PURPOSE: To prevent age cracking of steel bars by pressing the steel bars to one direction with a bar steel pressing and conveying device while conveying and giving blows to the end faces of the steel bars with a hammering device install...
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JP57066829 |
PURPOSE: To obtain stabilized hoed-up cut faces in such a way that plate surfaces made of copper, aluminum or another are used for making asperity for using as solar heat absorbing faces, and they are processed under specific cutting con...
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JP57061424 |
PURPOSE: To automate a knurling maching through very simple mechanisms, by providing a setting mechaism and a return mechanism. CONSTITUTION: A knurling machine 10 with automatic pulling-out comprises a setting mechanism and a return mec...
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JP56134135 |
PURPOSE: To make knurling tools work a workpiece while constantly contacting therewith under uniform pressure by a method wherein both holders placed on a base are provided with feeding mechanisms driving by a rotary shaft, and the slidi...
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JP56130408 |
PURPOSE: To improve the dimensional accuracy of metal-made parts by providing blades similar to those of the broach of cutting tools on the surface of dies for sizing thereby performing cutting and sizing in one process. CONSTITUTION: Wh...
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JP56120401 |
PURPOSE: To improve the hardness of a nut seat periphery and increase its durability witout thickening a mounting area by finishing the nut seat of the mounting hole in a disk used for mounting a car wheel through coining fabrication. CO...
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JP56119687 |
PURPOSE: To obtain a surface-worked roll of high uniformity by projecting a laser beam to the roll surface while revolving the roll thereby dulling said surface. CONSTITUTION: A support base 2 for a roll R to be worked is provided on a w...
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JP56095550 |
PURPOSE: To enable a dull working with a simple facility by a method wherein a multineedle chisel is used as a dull working means of a roll surface and the compressed air is actuated as a power source. CONSTITUTION: A work roll 1 is held...
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JP56082135 |
PURPOSE: To improve the productivity and machining precision of a door panel machining apparatus by permitting the groove machining and hole machining needed as work on a turret to be performed simultaneously when once a door panel is po...
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JP56023307 |
PURPOSE: To save the equipment cost and operating cost and decrease the product cost by dull-processing of rolling rolls by means of small rolls to which dull-processing is applied without direct processing of rolling rolls. CONSTITUTION...
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JP55077429 |
PURPOSE: To improve surface roughness with scarcely damaging holes by squeezing the slide surface of a metal using the tool point with a specified are. CONSTITUTION: The upper surface of the flange section in a tool is the shank 23 and t...
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JP55011752 |
PURPOSE: To machine the inside surface of a hollow shaft whose inside diameter greatly varies in the axial direction, by rotatably supporting rollers on the tips of arms pivoted on a roller supporting and operating pipe. CONSTITUTION: A ...
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JP54125135 |
PURPOSE: To prevent occurence of corrosion in the oiling hole of a basering, etc. as well as to maintain residual stress along the hole inside by subjecting the hole inside to autofrettage; filling different metal powder in the hole; and...
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JP54120263 |
PURPOSE: To form the plastically worked layer in the outer shell of the roll, and to make possible the roll of good quality to be economically manufactured through the roll forging, by arranging in the roll forging apparatus for the roll...
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JP54120273 |
PURPOSE: To make possible the automatic fine adjustment of the tool diameter correspondingly to the working error of the low hole, by settling through the axial movement the working diameter of the mandrel insertd into the cylindrical ca...
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JP54120262 |
PURPOSE: To make possible the repeated heat treatments, and to make possible the economical manufacture of the roll of good quality through a simple process, by arranging the spray group, the roll forging member for the roll, etc., in th...
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JP54119362 |
PURPOSE: To improve the fatigue strength and to greatly shorten the working hour, by forming the tip face of the tool, contacting against only the root of the tooth, into a rough face consisting of many projections, and by thrusting this...
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JP54084856 |
PURPOSE: To permit proper pushing by sending burnishing roller by driving DC motor and at the same time by controlling the armature current of motor. CONSTITUTION: When the control circuit 27 is waked up under the rotating condition of t...
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