Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 851 - 900 out of 3,952

Document Document Title
JP3563587B2
To prolong the durable life of a pressing tool used at the time of edging a hot slab of steel etc., and to reduce the frequency of replacement of the tool by preventing the occurrence of heat checks at the slab pressing surface. A slab p...  
JP3560861B2
To maintain high productivity of a plate material with a good finished surface without flawing the plate material by satisfying the relationship of HVR‚Č•1.5HBB+770 when the hardness of roll surface is expressed in Vickers hardness HVR a...  
JP3560397B2
To provide a speed controller for a hot rolling equipment capable of securing a running joining by controlling so that the position to which the tip of a succeeding material catches up with the tail end of a preceding material becomes co...  
JP2004237340A
To provide a web joining device and a web joining method which do not produce a different width part at a joining part when joining metal webs.The web joining device and the web joining method are provided with an edge part cutting means...  
JP3555751B2
To form a part of a board material into a thin shape, and to form the thin part of the board into a trapezoidal shape by rotating a rolling means on the turn table, thereby achieving lightening in weight of the board and reducing the cos...  
JP2004223681A
To provide a manufacturing method of strip material having high cutting accuracy of a strip material end portion by a flying shear 2, and remarkably improving material yield by shortening the length of cut both end crops.This manufacturi...  
JP3546616B2
To surely make slabs during transporting catch up with each other and to join them during running by controlling the speed of the succeeding material so that the interval between the tail end of a preceding material and the tip of the su...  
JP3544619B2
To make it possible to stably heat by interrupting the leakage current of an eddy current to a metallic roll while preventing a spark from generating when heating the strip edge by the induction heating device using a C-type inductor. Th...  
JP2004520936A
An aluminium foil rolling method comprising the steps of taking two strips of aluminium, bringing facing surfaces of the two strips into contact with one another and subjecting the two strips to a first pack rolling operation, thence sub...  
JP3536990B2
PURPOSE: To prevent the generation of the crack in the metal bold under edging of a hot slab. CONSTITUTION: The press metal mold having inclined parts 4 expanded and inclined to the slab advance side and flat parts 3 facing both transver...  
JP3537101B2
PURPOSE: To improve yield at the time of continuously rolling while welding metallic strips including a weld zone. CONSTITUTION: The metallic strips 1 which are uncoiled from plural pay-off reels 2, 3 are welded at the rear end of a prec...  
JP2004160545A
To prevent occurrence of troubles such as drawing in a tail end portion of a rolled work after passing a rolling mill when the work is suddenly cut on the inlet side of the rolling mill during the rolling operation, and to considerably s...  
JP3534466B2
PURPOSE: To cut bar steel into each product with an accurate length and also, reduce the maintenance and management expenses of the device by omitting a measuring device requiring maintenance inspection, concerning the device which cuts ...  
JP3533080B2
To improve an initial velocity follow-up ability for a steel sheet and to avoid tensile strength variation of the sheet after restraining the sheet by controlling the velocity until a welding truck holds a tail end of a preceding sheet a...  
JP3526228B2
To perform high quality butt welding at high velocity and a stable condition, and make a welding device and a post-processing device for grinding, annealing, and the like compact and complex. In this metallic plate butt welding device, p...  
JP3521853B2
To provide a manufacturing method of an LP steel plate which is applicable regardless of the presence or absence of a flat part and by which the LP steel plate is surely cut off at good dimensional accuracy from a material to be rolled h...  
JP3520148B2
To prevent a steel from being cut away during rolling by butting the rear end of an advance steel and the force end of a following steel, heating a joining part and the neighborhood to the temperature lower than an MnS melting temperatur...  
JP3517357B2
To prevent productivity from degrading by forming a taping means which conducts jointing with adhesive tape under such a condition that the edges of front and rear metallic plate materials are butted to each other. A supplying and moving...  
JP2004106047A
To shorten the length of a crop by solving a problem wherein the crop remains on the upside of the lower edge of a flying shear owing to the shortening of the length of the crop in a method for cutting the tail end part of a bar or/and a...  
JP3515694B2
To avoid any trouble in steps after the mutual connection of a preceding metal plate and the following one, typically liquid leaks in a step of foamingly filling the gap between vertically opposed metal plates with a foaming material of ...  
JP3511564B2
To prevent a step out between main and rolling clank mechanisms by performing synchronous control of the rolling and main clank mechanisms, such that both of them are subjected to correction to load fluctuation respectively. A main crank...  
JP3511482B2
To simplify the structure of a slab sizing press while securing the stability of the mechanism thereof and to obtain good maintenancability. An arm 3 is fitted so as to be rotatable to a crank shaft 2 and an outer block 9 transmitting lo...  
JP2004074227A
To improve yield, to eliminate fear of shipping products below standards and to stabilize quality by performing omission of both end parts of a wire rod extended by hot rolling always exactly.The temperature of the passing wire rod 17 is...  
JP3503623B2
To prevent a subsidiary fracture accident of the splicing portion by an excessive tensile force when the tip end of a hot rolled steel strip is wound around the coiler mandrel in the endless hot rolling. A splicing point is transferred b...  
JP3503624B2
To prevent the breaking accident in a joined part by excessive tension when the tip of a hot-rolled steel strip is wound around the mandrel of a coiler in endless hot rolling. A joined point is transferred with a tracking device 30, the ...  
JP3503609B2
To prevent a breaking failure of a jointed part due to excessive tension at the time when the tip of a hot rolled steel strip is coiled to a coiler mandrel in endless hot rolling. After a joining part is densely/solidly formed, the joini...  
JP3504425B2
To effectively reduce the developments of edge seam flaw and surface roughening on a stainless steel plate produced through a series of hot-rolling containing a width press and/or the width rolling reduction with vertical rolls. The heat...  
JP3502726B2
To provide such a clamping device for a flying work equipment that is capable of adjusting with high precision a clamping position without causing increase in the equipment cost and the oil consumption unit, even in the case where the th...  
JP3501914B2
To obtain descaling (cutting) method excellent in heat resistance and shock resistance. This method is a method in which, after the rear end part of a preceding steel and the tip part of the succeeding steel which are pressure welded are...  
JP3497041B2
To prevent a flange tip part from being burnt onto rolls by pressing the flange tip part of a mid part section in the direction being nearer to the sectional shape of a tip part on the bite side to a roll caliber by material deformation ...  
JP3495558B2
To improve reliability on detection of a joined point by more accurately detecting the joined point of the tail end of a preceding band plate with the tip of the succeeding band plate than the conventional method and also preventing dist...  
JP3495111B2
PURPOSE: To facilitate the maintenace of a joining device by arranging clamps and pressing means on frame so as to be movable in the width direction of a slab separately from an alternating field generating coil. CONSTITUTION: The rear e...  
JP3492408B2
PURPOSE: To efficiently raise the temperature of a part requiring preheating and also to perform continuous operation. CONSTITUTION: In the steel sheet joining welding equipment having preheating equipment of steel sheets 1 and 2 when th...  
JP3492119B2
To improve the productivity of a strip stock by providing with a flying joining machine joining the tail end of a preceding rolled stock and the front end of a succeeding rolled stock while flying together with the rolled stock. A slab i...  
JP2004025229A
To provide a method and a device capable of deciding a crop cutting position of a steel sheet taking not only product yield but also production efficiency in a post-stage into account.The crop cutting position deciding device 10 is provi...  
JP3491703B2
PURPOSE: To provide a rolled material jointing device and a jointing method which can joint the rear end part of preceding rolled material and the tip part of succeeding rolled material to each other in a short time with sufficient joint...  
JP2004501766A
The invention relates to an apparatus for strip processing with at least one uncoiling station, at least one strip processing station ( 1 ) and at least one coiling station. Especially to reduce undesirable strip-edge stresses, a known a...  
JP3485414B2
To prevent the scale from being included in a welded part by bringing clamping devices close to each other, butting and pressing end faces after cutting stocks and pressing them against each other to float the scales on the end faces of ...  
JP3483518B2
To provide an improved flying shear which can certainly operate at all rolling mill discharging speed. A shear 10 has a preceding edge 28 and a following edge 24 which rotate in mutually opposite directions along an upper and a lower sha...  
JP3478118B2
To dispense with the stopping of the operation of a line even in the case abnormality is generated before starting joining work and during joining work. In the case hot finish rolling of a material to be rolled is scheduled in succession...  
JP3478119B2
To eliminate the stoppage of the operation of a line even in the case joining is incompletely ended. In the case a material to be rolled is scheduled to execute hot finish rolling in succession to a preceding billet 10 by joining the tip...  
JP3476102B2
PURPOSE: To prevent a sheet from breaking at a joined part where becomes too thin at the time of executing finish rolling of the joined part heated to high temp. CONSTITUTION: At the time of joining a succeeding material B after rough ro...  
JP3470853B2
To cut a raised part of a joint steel piece without thermal deformation of a cutter by rotating the rotary cutter at specified low speed while passing through a non-joint steel piece at the time of passing through the non-joint steel pie...  
JP2003534923A
A method and apparatus for reducing crop losses during slab and ingot rolling concerns the formation of a slab ingot having a specially configured or shaped butt end and optionally a head end as well. A special shape is formed by machini...  
JP2003320401A
To provide an apparatus for dividing a rolled material which can help improve the material yield.The apparatus to divide the rolled material comprises a flying shear 1, a cooling bed 3, a run-out table 5, a first shearing line 7, a secon...  
JP3466419B2
To obtain continuous hot rolled steel sheets free from rupture and edge crack at the connecting parts and excellent in surface properties by regulating the index of the embrittlement according to the contents of S, Al, Mn, Ti and B in st...  
JP2003311303A
To make the material of a hot-rolled steel strip and the structure of a hot-rolled high-tensile steel strip having hyperfine structure uniform in the longitudinal direction by adding uniform strain in the longitudinal direction when perf...  
JP3460612B2
To make it possible to judge on defects of steel plate without being affected by oil applied to the side trimmer knife by arranging the side trimmer after the surface defect instrument. It is preferable to arrange a temper rolling mill 7...  
JP3461753B2
To eliminate blow-holes in a joined part generated at hot-welding time and to prevent cut-off in a steel material on the way of rolling. This rolling method is the method, with which plural long steel material for hot-rolling is joined b...  
JP3461669B2
To enable continuous hot rolling of different thickness of crude bars having high productivity by welding after setting the height of the contacting endmost part so that a succeeding stock becomes a specified quantity higher in the weldi...  

Matches 851 - 900 out of 3,952