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JPH09165826A |
To enhance frictional joining efficiency, and improve safety by giving a concentric circle-shaped recess-projection pattern to the peripheral edge of a bolt hole of a splice plate to sandwich a joining part of a steel structure such as a...
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JPH08324442A |
PURPOSE: To carry out the running-n of a steering device in a short time while restraining one side hitting state by giving a pre-load in a direction for reinforcing the meshing of a gear to a steering gear device and also operating the ...
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JP2537114B2 |
PURPOSE: To reduce, as far as possible, excessive frictional wear caused by wheel slip so as to prevent a rolling stock from having its traveling performance deteriorated by applying some appropriate shape variation to the basic wheel tr...
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JPH08229748A |
PURPOSE: To perform removing a distortion in both ends of piping joint without rearranging a metal mold, by forming the distortion removing metal mold of moving/fixed metal molds of dividing into two parts in a center part in a horizonta...
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JP2506326B2 |
The invention relates to a method of producing a bowl-like metal article, e.g. a half of a spherical rocket motor case made of a titanium alloy, by first shaping a flat blank into a bowl-like shape by a press forming operation and subseq...
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JPH0818189B2 |
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JPH08501830A |
Proposed is a tool for working the surfaces of components, the tool having several different zones permitting a single tool to be used simultaneously to harden and polish the surfaces of components and, in particular, finish them true to...
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JPH0815615B2 |
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JPH07106418B2 |
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JPH07299668A |
PURPOSE: To realize the processing of two types, that is, a rolling type and a cutting type by means of one knurling device and improve workability by making the labor of change and position regulation or the like unnecessary and in addi...
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JPH07266143A |
PURPOSE: To provide a device in which the force of pressing a wheel nut bearing surface of plural punches is uniformed. CONSTITUTION: An elastic member is provided between a single die plate 13 and plural punches, or a liquid pressure ch...
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JPH07222929A |
PURPOSE: To enhance the holding force of a catalyst compsn. and to also enhance the peel strength of a metal lath base material even to which no flame spraying is applied by forming notch like unevenness specified in depth and size to th...
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JPH07156022A |
PURPOSE: To provide a scale eliminating device suitable for eliminating scale adhering on a heat treated roll surface. CONSTITUTION: Scales produced on the surface of a heat treated roll 4, which is rotationally cooled by a pair of turni...
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JPH0751740B2 |
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JPH0747180B2 |
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JPH0718524Y2 |
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JPH07500773A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0716685A |
PURPOSE: To prevent the concentrative excess load by unbalanced load and to sufficiently improve the fatigue strength by setting pitches and twist angles in the tooth tip part of a tool tooth form and in the tooth part of the opposite ge...
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JPH079058A |
PURPOSE: To further improve the fatigue strength of the root without generating inconveniencies such as cracks at the root part even when the working load is increased in executing the root roll working by using a root roll tool. CONSTIT...
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JPH06344029A |
PURPOSE: To prevent cracks from generating on an end of a part to be bent by cutting a work to be bent after executing the crushing treatment onto the bending range on the cutting line of the work to be bent, and bending in the orthogona...
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JPH06320347A |
PURPOSE: To prevent a steel belt from deforming into a plate shape by applying surface treatment in which residual compression stress remains in a region in the vicinity of a surface on the opposite side of a roller on the opposite side ...
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JPH0683934B2 |
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JPH06293993A |
PURPOSE: To execute surface treatment for imparting luster to the surface of an Al wheel by subjecting the surface of the cast Al wheel to shot blasting treatment and smoothing treatment and thereafter applying metal plating thereto. CON...
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JPH0636281Y2 |
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JPH06262440A |
PURPOSE: To improve the surface finishing accuracy by forming a spacer ring provided on a hub end part of a rotary peening apparatus provided with a large number of peening flaps around a hub of a large number of pin members which are at...
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JPH0654439U |
[Purpose] On the heading slide 1, a device 5 that detects abnormalities during operation of the heading tool 2 under conditions where there is vibration due to front-back, impact, up-down, movement, etc. of the high-temperature material ...
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JPH06170650A |
PURPOSE: To apply knurling work without deforming a material even in the case that the object workpiece material is of small external diameter or an easily deformable soft material, further to substantially reduce a load to a machine dev...
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JPH0633628U |
[Purpose] Reduce the maintenance cost of the fillet processing equipment that cold-processes the fillet part of the crankshaft. [Constitution] A support beam that supports a pressurizing device 4 consisting of a first cylinder having a t...
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JPH06114639A |
PURPOSE: To draw fine and clear patterns on the surface of a noble metal ring by making a pressure processing to a matte finished part which involves slippage with a cutter tip having a specified high hardness and a roundness of minute d...
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JPH0699316A |
PURPOSE: To form a recessed part profitable to form a oil film on the rolling surfaces of cylindrical parts. CONSTITUTION: A belt 4 traveling from the supply side to the fetch side of cylindrical parts and a backup metal 7 for pressing t...
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JPH0673973A |
PURPOSE: To prevent damage of a threaded groove by performing at least one cycle of screwing and unscrewing component parts of a screwthreaded joint for the assembly of tubes. CONSTITUTION: Spanners 1, 2 each obtained by rotatably arrang...
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JPH0617502B2 |
Percussion apparatus having a compressed air inlet (3) and serving to impart percussive movement to a tool (10), the said tool (10) sliding inside an envelope (1) fixed to the apparatus and being terminated by a spherical portion (22), i...
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JPH05318235A |
PURPOSE: To form a recess on the surface of a machine component despite its large size. CONSTITUTION: A machine component A is supported by a pair of drive rolls 1, 2 and rotated, and a high pressure fluid containing hard particles is sp...
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JPH05293716A |
PURPOSE: To suitably improve the fatigue strength of a steel pipe for use in hollow axle by grinding-machining the inner face of the steel pipe by 10 to 1200μm. CONSTITUTION: With a steel pipe for use in driving hollow axle, the inner f...
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JPH0579447B2 |
The invention provides a means for solving the difficult problem of the deposition of stain in the recesses to cause loss of beautiful appearance on the matted surface of an article for personal ornament made of titanium, zirconium or an...
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JPH05277840A |
PURPOSE: To manufacture a forged aluminum wheel high in fatigue strength using a device simple in constitution. CONSTITUTION: A rotating ball or roller is pressed onto the whole surface area of the wheel disc of an integrally forged alum...
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JPH0575525B2 |
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JPH05228744A |
PURPOSE: To eliminate defects from a peening particle support so as to prolong the use life of a flap by forming a high nickel layer having a content of nickel which is higher than that of a base composition of a specific wt.% of carbon ...
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JPH05230671A |
PURPOSE: To provide the device which can stably and precisely execute electric discharge welding and working treatments and enables the easy molding treatment of intricate shapes as well. CONSTITUTION: This device has a chucking device 1...
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JPH05222600A |
PURPOSE:To enable high speed strip passing, to improve descaling capacity and to reduce the trouble of waste liquid treatment by repeatedly using one or more times of a brushing treatment and an anode electrolytic treatment in electrolyt...
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JPH05212629A |
PURPOSE: To provide a method for roundly chamfering a small hole in a groove bottom without fatigue rupture due to working, and reducing operating processes and times. CONSTITUTION: A punch-like roundly chamfering jig 24 formed on the ti...
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JPH0553748U |
[Purpose] By adjusting the mounting angle of the rolling tool for mating materials with various outer diameters, even if a rolling tool with certain specifications is used, the outer circumference of the mating material can be covered by...
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JPH0515605Y2 |
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JPH0569073A |
PURPOSE: To make the outer circumference of a mate rolled material able to divide by the integral value with the pitch of the teeth of the form rolling tool, to obtain the form rolled surface of fine finishing surface and to present the ...
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JPH0569302A |
PURPOSE: To provide a bundle of fine metal bars which can be perfectly controlled in place of a metal small ball, which can not be controlled, as a grinding means of a conventional mechanical parts grinding device. CONSTITUTION: A grindi...
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JPH0518919B2 |
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JPH0542425A |
PURPOSE: To provide a film of an even thickness with heat resistance on the surface of a base material having a cooling air passage of a complicated inside shape in a short time and with low cost. CONSTITUTION: In a repairing method for ...
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JPH057603A |
PURPOSE: To obtain a vulnerary implantation jig of a fixing hole high in fatigue resistance. CONSTITUTION: This implantation jig 10 is composed of a base member produced from biocompatible austenite stainless steel, a biocompatible titan...
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JPH054127A |
PURPOSE: To provide a method and apparatus relating to the repair of a gas turbine blade, for forming a through bore or recess in the blade without removing the blade from a rotor. CONSTITUTION: A through bore or recess is, for example, ...
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JPH0479791B2 |
A pull gun (30) is used for pulling a mandrel (32, 232) through an expandable sleeve (240) positioned in a fastener hole (134, 136, 246, 248) having a countersink (138, 250). The mandrel (32, 232) expands the sleeve (126, 240) as it move...
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