| Document |
Document Title |
|
JP2001353542 |
To provide a method and a device for drawing a galvanized steel tube in which a surface of the galvanized steel tube is prevented from being blackened in drawing the tube.In the galvanized steel tube drawing method in which the galvanize...
|
|
JP3262712 |
To quickly correct defective shape and to improve the dimension precision by continuously measuring the deviation of the center of a welded wide flange shape steel at the downstream side of a welding device and controlling the passing po...
|
|
JP2001347327 |
To provide a roll forming apparatus to form a long size metal plate into a square column for building by roll forming.A cylindrical body A formed from a long size metal plate in a previous process is fed between an upper roller 1 and a l...
|
|
JP2001329316 |
To provide a hot finished seamless steel tube which is less in the dimensional changes caused by the residual strain in the case of grinding inner and outer surfaces of a cut ring used for a bearing race, etc.In this manufacturing method...
|
|
JP3250466 |
To provide an expansion die effective for correcting a large longitudinal ellipse before expansion and capable of securing the true circularity after expansion even for the intermediate size by providing each die segment with different t...
|
|
JP2001300760 |
To provide a method of machining of a pipe end and a method of forming a bevel by assembly, by which method a precise bevel is formed. In a machining process of the pipe end the end face of the pipe end is cut and formed in a state that ...
|
|
JP2001298915 |
To adjust plastic deformation amount by adjusting the radial direction position of a clamping member when an external force is applied from outside the radial direction to a member to be subjected to plastic deformation. When an engaging...
|
|
JP2001276928 |
To provide an interlocking member which helps to form a convergent portion easily in a short period of time. Fine diameter convergent portions 31a, 31b are formed respectively through cold forging on both ends of a member body 21 of a su...
|
|
JP2001269713 |
To provide a high-strength stainless steel welded tube for suppressing integranular corrosion cracking in a weld heat-affected part by welding heat and a method of manufacturing it. The tensile residual stress in the circumferential dire...
|
|
JP2001259741 |
To provide a circularity correcting apparatus capable of easily correcting an end part of a steel tube even when a deformed steel side is of relatively a large size and is fixed.The apparatus is provided with a fixed circularity correcti...
|
|
JP2001259763 |
To provide a mechanism tube expanding machine capable of reducing wear of relatively moving faces against each other and eliminating a lubricant oil use in these regions.The mechanical tube expanding machine has a pyramidal polygonal bod...
|
|
JP2001259740 |
To provide a technology enabling a shaft exeavation method with using a large cylindrical casing not transportable in a general road due to the load traffic act.A cylindrical casing forming apparatus 10 is provided with an impact head 13...
|
|
JP2001259727 |
To provide a cooling bed device which the bends in both end parts of a long size material is straightened on the way of conveyance after water- cooling of the rolled long size material.A chain conveyer type conveying device 4 for conveyi...
|
|
JP2001252720 |
To provide a roller straightening method for stably straightening a warp and a wavy shape of a material to be straightened, and its equipment.In order to secure biting property of a material to be straightened and to exhibit a sufficient...
|
|
JP2001246401 |
To straighten shapes with high accuracy and at high efficiency by light draft rolling.By rolling a material to be straightened while using a rolling mill 51 by which the whole vertical cross section of a shape is plastically deformed and...
|
|
JP2001239318 |
To provide a correcting equipment capable of quickly, easily, safely, and surely correcting pillars of bent guard pipes and the like.The pointed end 2a of a base holder 2 is connected with the base of a pillar 33 bent at the base, the po...
|
|
JP2001232416 |
To provide a forming device for shapes with which the accuracy of a cross-sectional shape is efficiently improved by hot correcting the offset of the center that is generated at rolling.The forming device in which web rolls 2 for restrai...
|
|
JP2001232417 |
To obtain an extruded material having a good shape and excellent stability in quality by controlling straightening conditions through tension or stretch quantity.Both ends of the extruded material are clamped, the extruded material is st...
|
|
JP2001219218 |
To provide a means to guide a bearing box along a guide column of a frame which can straighten a blank and a black member.The bearing box 8 having an upper roll 6 disposed thereon is guided along the guide column 2 by four guide passages...
|
|
JP2001212617 |
To provide a method of easily manufacturing an aluminium product having a uniform section whose measurement accuracy is generated.The method of manufacturing the aluminium product having a uniform section is characterized to have a die-c...
|
|
JP2001212618 |
To provide a core rod capable of finishing an internal diameter face of an oil impregnated sintered bearing with an appropriate amount of pore with easy, inexpensive and good measurement accuracy to obtain the oil impregnated sintered be...
|
|
JP3216932 |
PURPOSE: To carry out reconditioning and bending with high accuracy by providing a first bending punch that bends outer leads of a semiconductor device held between a fixed plate side receiving table and a movable plate side holding memb...
|
|
JP2001205376 |
To provide new method and device for manufacturing a metal sheet bundle for a stator in an electric machine. The stator of an electric motor is formed by using multi-axis slide type presses (21, 22 and 23). A start point is a welded bund...
|
|
JP2001205335 |
To provide a portable bending correction machine capable of easily correcting bending of a copper tube in a piping laying site. Plural correcting rollers 62 are journaled by a frame on one straight line respectively apart each other and ...
|
|
JP2001199313 |
To simplify a device, and to realize high accuracy of correcting work by easily correcting a deformed part of a rim, and devising a reaction receiver of a pressurizing jack without being influenced by a rim shape and a kind of wheel. Thi...
|
|
JP3211709 |
To provide the manufacture of the shape steel even more excellent in the dimensional precision of a product and with few defects on its surface. By providing a dimension gage SO on the inlet side of a breakdown mill BD, by feeding forwar...
|
|
JP3211710 |
To provide a method for manufacturing shaped steel much more excellent in dimensional accuracy of products and with less surface defects. A press machine, two-high mill or universal mill 10 is arranged on the upper stream side of a break...
|
|
JP2001191117 |
To provide a roll clamping device for roll strainghteners with which equipment is simplified and workability is improved to shorten roll changing time. This device has plural notched grooves 24 which are formed in the circumferential dir...
|
|
JP2001179340 |
To provide a method for correcting tubes accurately and efficiently without considering any influences caused by rolling wear of a corrector. A tube corrector with roller system is provided with rollers which have an opening mold formed ...
|
|
JP2001179341 |
To provide a roll-clamping device of a roll-leveling machine capable of simplifying the device, improving work efficiency and reducing the time of roll changing. The roll-clamping device comprises an internal-geared ring 15 mounted at th...
|
|
JP2001150028 |
To provide a straightening method with roller levelers with which excellent straightness in rails can be achieved using roller levelers that have practical eccentricities instead of using a roller that has a suppressed eccentricity, and ...
|
|
JP2001150027 |
To provide a method to adjust a ring material 1 whose base material 2 is covered outside with a metal plate 3 by shrinking them slightly.Keeping a ring material 1 rotating, a heating device 10 heats a ring material 1 through its circumfe...
|
|
JP2001150187 |
To manufacture a welding wire having high hardness and a low cast in a continuous length to coil the wire by a spool.Passing the welding wire through a rotary straightening device having a pair of dies rotatable in reverse directions is ...
|
|
JP2001150029 |
To provide a device for reforming shaft bend that works with the high efficiency resulting from less frequent reforming and not causing any local bends, and that also leaves no flaws on the work shaft surface.The acute-angled parts of th...
|
|
JP2001150026 |
To provide a method to adjust a large diameter ring material to be a complete round as much as possible.To adjust a ring material 1, a ring material 1 is heated to be expanded by thermal expansion so that it can be fixed with an adjustin...
|
|
JP2001150075 |
To provide a processing apparatus for the drum type workpiece which is simple in structure but can process the spline after correcting the circumferential wall section so that the spline diameter of the circumferential wall section of th...
|
|
JP3191005 |
To correct a distorted lead rapidly and with high precision into a natural and correct state, by specifying a circle locus for correcting a lead as a correction circle locus, and rotating the lead plural times without twisting while the ...
|
|
JP2001137944 |
To provide a straightening roll having an uniform feed speed in simultaneously straightening plural angle steels. Relating to a pair of straightening rolls having a ruggedness part conformable with a shape of an angle steel to be straigh...
|
|
JP2001137945 |
To provide an automatic strain straightening apparatus capable of safely and precisely straightening. A work W is loaded on plural taper rollers 11 and is rotated, a diametrical strain deformation quantity of the work W in rotating is me...
|
|
JP2001129624 |
To provide a row steel alignment device for aligning irregularly aligned angles A to specified initial pitches. This device is furnished with a roller equipment to press, by hold-down rollers, a plurality of the angles A carried-in to a ...
|
|
JP2001129611 |
To simplify a straightening process, inexpensively perform a straightening operation, extend a rail straight over the whole length, and inhibit occurrence of residual tensile stress at the head and foot parts of the rail. A rail is rolle...
|
|
JP2001121212 |
To provide a disk wheel correcting device low in cost and small in size by simplifying its configuration. The disk wheel correcting device comprises a table 2 with an aluminum wheel A placed thereon, a fixing means 3 to bolt-tighten the ...
|
|
JP2001121211 |
To provide a pinch roller to uniform the sandwiching state and the carrying speed of each structural steel in the case of carrying a plurality of structural steels at a time. In the pinch roller for carrying a plurality of structural ste...
|
|
JP3183083 |
PURPOSE: To provide a cut tee manufacturing equipment with which the straightness of the cut tee is ensured, the man-hour and manufacturing term at the time of manufacture are shortened and the cut tee is manufactured by cutting the web ...
|
|
JP3183077 |
PURPOSE: To provide a method and device for manufacturing a cut T shape steel formed by cutting the web of a H shape steel with high efficiency, by securing the straightness of the cut T shape steel after cutting, and reducing the man-ho...
|
|
JP2001113314 |
To efficiently conduct straightening by smoothly conducting a feed to straighten a bent panel. In the panel continuous straightening apparatus to straighten a bent panel P in which a reinforcing rib i is mounted along the longitudinal di...
|
|
JP2001105065 |
To facilitate the bundling process by a fin stack in the manufacture of a tube of a heat exchanger, more particularly, to the tube having a flat ellipse section on the whole. This manufacturing method relates to the treatment of a part o...
|
|
JP2001105028 |
To provide a method for deciding a position for straightening the bend of a bar and an amount to be straightened by which high accuracy of straightening is attained with a small number of times of straightening without depending on the m...
|
|
JP2001105027 |
To provide a method for straightening the bend of a bar by which high accuracy of straightening is attained with a small number of times of straightening without depending on the manual operating of a skilled technician and which is easi...
|
|
JP3179348 |
To provide a strain correcting device with which the strain in a rear fork of a motor-cycle, for example, is accurately corrected and surely corrected by everybody without requiring skillfulness. The amount of strain of the inside width ...
|
