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Patent Searching and Data


Matches 151 - 200 out of 719

Document Document Title
JP3386001
To separately manufacture products having plural sizes to one size of inlet- side dimensions and to reduce the changing time of rolling rolls and number of reserved rolls by adjusting the actual reduction of area at a 1st pass within a s...  
JP2003001303
To provide a ring rolling mill which has a simplified equipment structure as a whole and makes it easy to recombine rolls, and attach and detach a ring.In the equipment which consists of work rolls 5, 6 supported by the rolls at both sid...  
JP2002301508
To provide a rolling mill with which increasing torque is transmittable while keeping a roll diameter thin.This rolling mill 25 is individually provided with an upper roll driving motor 38 and a lower roll driving motor 47 to a pair of a...  
JP2002301552
To produce a metallic bar or a metallic wire rod having smaller cross sectional surface than 5.5 mm diameter and quantitatively obtaining the same production with lower rolling speed in comparison with the conventional method by using a ...  
JP2002301503
To raise the output of a rolling block, to suppress the outside dimension of a rolling line, especially of a wire-rod rolling line, to the minimum, and also to simplify the structure of the rolling block.In a compact rolling block provid...  
JP3358757
PURPOSE: To provide a method and device for manufacturing a homogeneous irregular shaped strips having small difference of hardness by individually controlling the rolling speeds for a thick plate part and thin plate parts. CONSTITUTION:...  
JP2002292401
To manufacture a metallic bar material or a metallic wire material having a cross sectional area of 5.5 mm or smaller diameter likewise by means of the hot rolling means in the quantatively same condition but in a lower rolling speed.Spe...  
JP2002263714
To provide an improved high-speed finishing block for roll mill.The multistage stand block 10 for roll mill is provided with a plurality of roll stands 16 which are alternately arranged on both sides of the pass line. Manufactured produc...  
JP2002254130
To provide a detachable mechanism for a rotatable annular grooved leveling roller around a spindle.A spindle (1) has an air space (4) into which a pusher (9) is inserted, and the pusher (9) has tapered thrust surfaces (9a, 9b) which disp...  
JP2002239603
To prevent the generation of slip and surface flaws of rolls when rolling a metallic strip by driving only one work roll.A rolling schedule, rolling speed, screw-down location, screw- down/releasing speed of a roll and formula (1) by whi...  
JP2002239605
To provide a different thickness rolling mill capable of holding a work and performing difference thickness rolling of the work by utilizing the pressing force of a ram of a press.This different thickness rolling mill having a pressing l...  
JP2002210511
To provide a method for replacing electric motor for driving a continuous rolling mill which shortens the period of rolling mill stoppage due to motor replacing work into within three days per stand.When replacing the electric motor for ...  
JP2002192208
To provide a method for preventing vibration in a rolling roll driving system by which an apparatus trouble accompanied with the vibration generated in the rolling roll driving system can be prevented.By detecting the height of a portion...  
JP3324696
To provide a roll driving device for four-roll mills with which driving force is transmittable to each roll of the four-roll mill especially each roll of an X-array four-roll mill by a simple mechanism. A housing for driving devices arra...  
JP3318113
PURPOSE: To provide a vertical roll driving device by which a difference in speed between a rolling stock to be rolled and the peripheral speed of the vertical roll can be eliminated at the time of the bite of the rolling stock by surely...  
JP3307551
To provide a driving device for rolling mills, rolling mill and rolling method by which the quality of a plate surface, the breaking accident of a spindle and fatal damage of a roll are prevented and the increase of rolling speed and red...  
JP3308924
To provide a wire-rod rolling mill having one common motor to drive two 4-roll rolling mills arranged on two stands of the final finishing pass, thus making it possible to reduce equipment cost, expand free-size rolling possible range, a...  
JP3304178
PURPOSE: To obtain a compact structure easy to assemble for a screw down device of a brush roll. CONSTITUTION: In the case of a device to screw down a brush roll 1 against a work roll 2 of a roll stand to hot roll above all aluminum, the...  
JP3298846
To reduce the cost needed for the housing of a roll stand and also to facilitate the handling of the housing with respect to a rolling mill for wires and steel bars. This housing H of the roll stand is divided into a roll side part 4 and...  
JP3293933
PURPOSE: To enable obtaining a high output level of a rolling line and reduced error of a wire rod by rolling a rolling stock with a specified small roll pass reduction in a after-rolling block. CONSTITUTION: A wire rod 5, preliminarily ...  
JP3285805
To provide a driving device for rolling mills with which torque transmission is released at an arbitary set torque value with respect to overload torque. The input torque from a motor is transmitted to spindles 20A, 20B after deceleratin...  
JP2002028707
To efficiently perform the repair and inspection work of a roll surface by oneself.A chock 5 is mounted on a roll 3 and a support member 19 is attached to the chock 5 with an electromagnet 23 freely attachably and detachably. A motor 18 ...  
JP3270369
To provide a rolling mill for wire rods/steel bars in which changing work is remarkably simple and collectively easily connects plural mill stands the phases of roll driving shafts of which are shifted. In the rolling mill for wire rods/...  
JP2002001407
To improve a driving portion of the roll stand arrangement for rolling a wire product or a shape steel so as to reduce maintenance costs as well as remarkably less manufacturing costs.In the arrangement of the roll stand (WG1, WG2) neigh...  
JP2002001406
To harmonize a rolling stand frame into power generated through the rolling process by simplifying fabrication, handling procedures and construction of a rolling stand frame.A module constructional rolling mill, in particular a rolling s...  
JP2001330047
To provide a constant velocity universal joint for super-heavy load, and to provide an extension universal shaft to be combined with the constant velocity universal joint so as to be used for a driving unit of a roller of a rolling mill....  
JP3250087
PURPOSE: To attain structural simplification by making a holding guide needless. CONSTITUTION: On a driving shaft 20 rotated by a driving motor 18, a first bevel gear 28 and a second bevel gear 30 are arranged. The first driven gears 40 ...  
JP2001300611
To provide a method for monitoring the state of the slipper metal of a slipper metal type joint for transmitting rotary driving from a motor to a rolling mill by connecting a variable length spindle connected to the motor to the roll sha...  
JP2001300612
To provide a device and method for adjusting the level of a spindle for adjusting the level of the spindle by simple operation in a short time with high accuracy. This level adjusting device is provided with respective spindle coupllings...  
JP2001293507
To enable a rapid roll exchange and simple preparatory work by reducing the number of parts of a roll stand. In the roll stand for rolling lines for rolling the metallic tube, bar and wire which has at least three rolls with which the ax...  
JP2001286910
To provide a rolling line for rolling metallic bars for tubular, bar stocks or wire rods which is not only free from faults of the conventional rolling line but can accept a high load and is compatible with requirements of changing opera...  
JP3239317
To provide a device for previously driving idler rolls with which the number of revolution of the idler rolls is exactly controlled, problems such as the material is cooled are eliminated and also the cost of equipment is inexpensive. Th...  
JP2001259717
To facilitate the exchange, disassembly and inspection of a rolling bearing for supporting a driving shaft and to realize the integral structure of the driving shaft and coupling in a driving device of a rolling roll.In the driving devic...  
JP2001259719
To solve such a problem that while the driving system of a rolling mill is protected, the production efficiency of the rolling mill is lowered as the result that, because the prediction of peak torque which is impactively generated in th...  
JP2001252706
To provide a rolling mill of which the rolling mill and devices around a driving reduction gear connected to the mill can be made compact and angularity on the inside surface of a pipe after rolling is prevented.This device consists of p...  
JP2001248786
To increase efficiency in removing mixed cooling water and dust from lubricant, and to reduce the size of a facility.The inside of a housing surrounded by a seal plate 54 and a cartridge body 28 is divided into a first chamber A includin...  
JP2001239309
To provide a rolling machine which can roll under high pressure without getting poor in being in gear with a pair of work rolls even when rolling a rolled material having a large plate thickness.The rolling machine 1 is equipped with a p...  
JP2001239311
To provide a method for controlling roll rotating number to realize a high accurate finishing measurements in rolling a pipe.When rolling a seamless steel pipe by using a pipe rolling machine having plural stands, thickness in an outlet ...  
JP2001232408
To provide a device for positioning the spindle coupling of a stand changing type rolling mill which is not necessary to provide elevating/lowering mechanisms for separately adjusting the levels of respective spindle couplings and positi...  
JP3216587
To improve control response by utilizing ability of a high response type electric motor when a low response type electric motor coexists with a high response type electric motor to drive a rolling mill roll. The main engine electric moto...  
JP2001205315
To provide a driving device for rolling mills with which an advance and delay in the angular velocity of upper and lower work rolls are synchronized and, moreover, a cross pin type universal joints for connecting each work roll to each i...  
JP2001205308
To provide an arithmetic unit for retained force for calculating the retained force value of rolling, each time the materials are passed through each roll stand, of a motor for feeding the rolling materials to a mandrel mill. This arithm...  
JP2001179314
To provide a simple spindle replacement method for the rolling machine, which cuts down time and labor and can eliminate work hazard so that everybody can replace spindles. The table 3 is placed on top of the elevator 4 on the bogie 2, t...  
JP2001150001
To achieve remarkable improvement in the availability factor and decrease defectives.A rolling plant 1 is positioned at an outlet part of a block mill 2 and finishes rolling wire rods 3 passing through the block mill 2. Two rolling machi...  
JP3195447
PURPOSE: To suitably reproduce different operating conditions required in tubes, pipes, and industrial products by which simultaneous operation of at least three rollers and adjustment of each of the distances from longitudinal center li...  
JP3193892
To provide a mill drive coupling which is easily attached and detached in changing a stand and with which the generation of vibration is prevented. This coupling is a coupling 6 for connecting the drive shaft 4A on the housing side of a ...  
JP2001137917
To surely prevent a generation of chatter marks and coil break by separating the shaft end part of an upper work roll from a roll coupling in the temper rolling of a metallic strip. In the temper rolling mill which is provided with the u...  
JP2001137916
To eliminate the necessity of taking timing for imparting brake torque into consideration and also to reduce the cost of a device by simple structure. This is a brake-torque imparting device for rolling rolls for imparting the brake torq...  
JP2001140914
To provide a rotating shaft connecting mechanism ensuring that the elliptical connection of a pressure roll can be pressed into contact by causing an elliptical inner hole in a roll coupling to uniformly contract. The roll coupling 2 hav...  
JP2001124291
To provide a lubricating device for a rolling mill which can be set in a small space, can lubricate a bearing and a gear, and can lubricate even at a high rotation. The lubricating device comprises a bearing nozzle ring 20 which is attac...  

Matches 151 - 200 out of 719