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Patent Searching and Data


Matches 1,501 - 1,550 out of 2,210

Document Document Title
JPS6384721A
PURPOSE: To detect the displacement of a plug with the revolving movement of a detection bar and to roll the hollow shell having no thickness deviation by inserting one end of the detection bar into the recessed part at the tip of the pl...  
JPS6384703A
PURPOSE: To prevent the generation of a bend and to produce a steel pipe having excellent quality and shape by supporting a roll housing elastically in such a manner that the position of rolls change according to the peripheral surface s...  
JPS6376708A
PURPOSE: To increase the efficiency of usability of a tube polishing plug and to improve the economic efficiency fo a reeling stage and the productivity by adjusting an insertion depth of the plug in accordance with a wear condition of t...  
JPS6363505A
PURPOSE: To reduce the diameter of main rolls and to increase the intersecting angle thereof by supporting the main rolls pivotally on yokes and supporting the main rolls by means of plural divided rolls disposed to back-up roll units. C...  
JPS6349308A
PURPOSE: To prevent problems of biting and passing-through of a rolled stock to suppress the flaws on a inner surface and to improve the rolling efficiency by measuring the biting time and the passing-through of the rolled stock time to ...  
JPS6333106A
PURPOSE: To reduce thickness deviation and to improve the inner surface finishing by rolling a hollow tube stock containing a mandrel in the peripheral direction of the tube stock by use of a rolling mill whose roll axis is in the mandre...  
JPS6326209A  
JPS635163B2  
JPS633682Y2  
JPS633681Y2  
JPS6320104A
PURPOSE: To attain the smaller diameter and higher crossing angle of cross helical rolls and to compactify a device by cantilvering the rolls on a material outlet side and supporting the rolls on a material inlet side as well by supporti...  
JPS632162Y2  
JPS632161Y2  
JPS632508A
PURPOSE: To restraint vibration of a rolling plug and to reduce wall deviations of a pipe stock by obtaining a reeling part length of the rolling plug rear end by an equation and rolling a pipe by adjusting an outlet side face angle of r...  
JPS62199201U  
JPS62286609A  
JPS62193903U  
JPS62282713A
PURPOSE: To control the causing of a flaw on an inner surface and to easily perform a piercing roll by piercing rolling a top end part of a columnar metallic material under high friction force, and after the time of completing biting, pi...  
JPS6245761Y2  
JPS62189803U  
JPS62275510A
PURPOSE: To automatically command plug changes in piercer mills piercing tube stocks by calculating a plug diameter of a piercer mill by measuring the weight of the tube stock being to be pierced and the outer diameter and length of the ...  
JPS62267003A
PURPOSE: To improve penetratability and to prevent the generation of inside surface flaws by subjecting a circular cylindrical metallic material having the diameter larger at one end than the other part to piercing from the large- diamet...  
JPS62267006A
PURPOSE: To permit the adjustment of the angle of inclination of rolls during rolling by rotatably supporting cradles housed therein with the rolling rolls by receiving rollers, clamping the same by means of jacks and cylinders and adjus...  
JPS62259602A
PURPOSE: To decrease the shearing deformation in a circumferential direction and a wall thickness direction and to prevent the generation of an intra-surface defect by piercing a titled pipe by a pair of rolls which have barrel parts dia...  
JPS6253250B2  
JPS62230419A
PURPOSE: To effectively restrain bulging of a tube stock throughout the entire length of the stock using a small capacity driving motor by making a drive roller shoe rotating force in rolling on end parts of the stock larger than that fo...  
JPS62230406A
PURPOSE: To produce a seamless metallic pipe having a good surface and tough structure by forming a difficult workable metal to a hollow stock by centrifugal casting and hot working the stock to a prescribed size. CONSTITUTION: The comps...  
JPS62227509A
PURPOSE: To equalize mechanical properties of products and to improve the production efficiency by inserting the low temp. zone part, containing a mandrel, of the rolling tail end side of a pipe stock into the high temp. heating zone of ...  
JPS62220204A
PURPOSE: To uniformly penetrate a lubricating agent to guide shoes and to prevent the seizure of the shoes by providing lubricating agent supplying nozzles to the inlet side of the guide shoes and injecting the lubricating agent between ...  
JPS62212004A
PURPOSE: To prevent the generation of spiral marks and the wear of a plug and to obtain a product having excellent inside surface quality by using a roll having a circular conical shape on one side, the roll inlet side of which is formed...  
JPS62146505U  
JPS62146508U  
JPS62146506U  
JPS62207506A
PURPOSE: To reduce a roll diameter so that the larger roll crossing angle can be taken by mounting roll bearings to a yoke by trunnion support and sliding shaft parts and yoke on cylindrical faces around the shaft parts of the trunnions....  
JPS6242682B2  
JPS6242683B2  
JPS62199212A
PURPOSE: To realize a stable operation by reducing the deflection of a roll by connecting the roll to the driving shaft by a claw clutch by pinching a disher roll between the press piece of a movable roll shaft and the driving shaft. CON...  
JPS6235843B2  
JPS6235846B2  
JPS62173011A  
JPS62173012A  
JPS6229128Y2  
JPS6227281Y2  
JPS62148047A  
JPS62148003A
PURPOSE: To suppress the temp. increase of guide shoes and the generation of wear and damage by disposing a pair of guide shoes to both sides of a rolling region of rolling rolls which are disposed with inclination and exciting the guide...  
JPS62142008A
PURPOSE: To obtain a roll for an elongator which excels in all of wear resistance, surface roughening resistance and strength by adding V to a spherical graphite steel to improve the strength and wear resistance thereof and spheroidizing...  
JPS62127107A
PURPOSE: To prevent the wear, damage, etc., of a guide shoe by moving the guide shoe in the progressing direction of a rolling stock and by returning it to the original position from the moving end at the rolling completion time while un...  
JPS62124003A
PURPOSE: To improve mechanical efficiency and to permit easy carrying in and out of a material by disposing one of the driving systems for rolling rolls of a crossing type cross helical rolling mill on the inlet side of a pass line and d...  
JPS6286901U  
JPS62107807A
PURPOSE: To change rolls at optional cross angle by mainly constructing a means for supporting a connecting part with a cross assembly of a means for moving the supporting point of a carrier of a spindle and of a means for stretching and...  

Matches 1,501 - 1,550 out of 2,210