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Patent Searching and Data


Matches 651 - 700 out of 875

Document Document Title
JPS6096379A
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 ...  
JPS6066420U  
JPS6072626A  
JPS6052213A
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...  
JPS6049814A  
JPS6031939U  
JPS6019984U  
JPS604883B2  
JPS59219121A
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 ...  
JPS59175426U  
JPS5940098Y2  
JPS59166699A
PURPOSE:To easily and stably obtain a bearing member having desired size and permeability, by shaving the bearing surface of a bearing member made of a metallic porous material to the desired size so as to form burrs at opened parts at t...  
JPS59501541A  
JPS59150902A
PURPOSE:To recover the creep deterioration without scraping the surface of the hole in the center by cold- or hot-rolling the inner surface of the center hole of the steam turbine rotor wherein the creep deterioration is progressing. CON...  
JPS59141312A  
JPS5931406B2  
JPS59121716A  
JPS5984692A
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...  
JPS5980592A  
JPS5917680B2  
JPS5947127A  
JPS5916632A
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...  
JPS58211834A  
JPS58192638A  
JPS58185901A
PURPOSE:To dissipate a residual tensile stress on the external surface of a part where a journal of 12% chromium steel rotor is padded with low alloy steel by mechanically applying a compressive force to the external surface of the journ...  
JPS58160725U  
JPS58158066U  
JPS58160021A
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...  
JPS58136230U  
JPS58141828A
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....  
JPS58126057A
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...  
JPS58107292A
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...  
JPS5894936A
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 ...  
JPS5824891Y2  
JPS5824892Y2  
JPS5884615A
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...  
JPS5882672A
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...  
JPS5870832U  
JPS5867821A
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...  
JPS5845824A  
JPS5845816A
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...  
JPS5838629A  
JPS5834734A
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...  
JPS582013B2  
JPS581100A  
JPS57202634U  
JPS5759284B2  
JPS57152305U  
JPS57154365A
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...  
JPS57149029A  

Matches 651 - 700 out of 875