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Patent Searching and Data


Matches 501 - 550 out of 2,449

Document Document Title
WO/1987/005245
A device for centring cylindrical parts during magnetic pulse welding comprises external and internal centring bushings (2, 3) mounted inside the inductor (1) and oriented axially and overlapping each other, the external bushing (2) bein...  
WO/1986/005730
The device operates by means of temperature and pressure shocks by igniting a combustible gas mixture, in particular a thermic burr removal facility. The work piece treatment chamber (1, 21 or 34) consists of an external hollow body (3, ...  
WO/1986/005725
The combustible gas mixture is to be let into the combustion chamber (2) of a thermic burr-removal device for the treatment of work pieces (3) by means of temperature and pressure shocks by igniting the gas mixture. The device comprises ...  
WO/1983/002576
The device for sizing tubes by applying liquid pressure comprises a dismountable matrix (2) with a lock, which matrix is arranged on a bed (1) and is provided with a horizontally-orientated sizing channel (3) which is conformed to a tube...  
WO/1982/003577
A machine for use in forming ductile metal sheets into shaped bodies having first and second open-ended, annular chambers (3, 13) which are relatively movable, while maintaining their open ends (5, 12) in register with one another, betwe...  
WO/1981/002128
Improved method of fabricating boron fiber and aluminum matrix composite structures, especially gas turbine compressor blades having titanium metal skins. Titanium skins (32, 32') and boron aluminum composite cores (34) are preformed by ...  
WO/1981/000528
Method of high energy rate forming of metals and other ductile materials, wherein a transmission medium is used for transferring a discharge of power for acting on a blank with a force sufficient for forming the blank. In the method the ...  
WO/1980/000424
An installation for flaring tubes by electro-impulsion comprises a bed (1), vertical (2) and horizontal (10) guides, means for power supply to electroexplosive cartridges (3), a generator (5) of current impulses and a control system (17)...  
JP2014040206
To materialize a structure capable of stably holding an inner column on an inner diameter side of an outer colum 12c, and absorbing an impact load upon a secondary collision.A supporting portion 36 of an outer colum 12a and an outer peri...  
JP2014040208
To materialize a structure capable of stably holding an inner colum on an inner diameter side of an outer colum.An outer colum 13d and a moving side bracket 22b are integrally bulge-molded by a hydroform method and the like. Bulging port...  
JP2014019205
To provide a structure capable of stably holding an inner column 14c on the inner diameter side of an outer column 13d.An outer column 13d and a movable side bracket 22b are integrally molded by a hydroforming method to swell. Swelled pa...  
JP2014018805
To obtain a method for forming a light metal material of a profiled section, capable of easily and partially increasing strength of an extrusion molded article having a bag-shaped part of a closed section in an extrusion completed state ...  
JP2013252744
To achieve strength improvement and downsizing of an automobile bumper structure.A front stay member 2 is inserted into a through-hole 61a and a through-hole 62a until a flange 21 comes into surface contact with a bumper reinforcement 6 ...  
JP2013189640
To provide a hydroforming lubricant capable of being excellent on a lubricating property and seizure resisting performance at the time of hydroforming processing and preventing breakage, buckling, and scratches on the surfactant at the t...  
JP2013188762
To solve a problem that a tear and a wrinkle occur in a molded product when a metal laminate film as a workpiece is molded by using a mold.A method for molding a metal laminate film includes: temperature raising steps (S1, S2) of forming...  
JP2013189706
To provide a 7000-series aluminum alloy hollow-extruded material that is extruded through a porthole, with which in the case of a pipe expansion by electromagnetic forming, the excellent pipe-expanding formability can be obtained.A 7000-...  
JP2013158818
To provide a method by which, when an end part of a material pipe is sealed upon manufacturing a hollow member for welding by applying hydroforming, the end part can be surely sealed so as not to cause leakage of a liquid for pressurizat...  
JP2013158802
To provide a method by which, when an end part of a material pipe is sealed in hydroforming, the end part can be surely sealed so as not to cause leakage of a liquid for pressurization, and at the same time, the risk of inviting appearan...  
JP2013150991
To provide a hydraulic molding apparatus capable of performing work from premolding such as bending and crushing up to hydraulic molding using a pair of molding dies.A tube material molding apparatus includes a premolding table for placi...  
JP2013133023
To provide a carriage frame for a rail vehicle attaining reduction of man-hours for work such as welding, finishing and distortion removal and quality improvement through reduction of a welding amount and abolishment of hem forming work ...  
JP2013123937
To attain a structure holding stably an inner column on an inner diameter side of an outer column.An outer column 13d and a movable side bracket 22b are bulging-molded integrally by a hydroform method or the like. Respective protrusions ...  
JP2013116498
To solve the problem with various restrictions as a result of the shape of a product.An autofrettage processing device includes: a workpiece (1) having a workpiece end opening (14) and an inner pressure chamber (IC), wherein the inner pr...  
JP2013111640
To readily and reliably weld plates together and to readily vacuum from between the plates and to inject fluid into a swelled part in production of a heat exchanger in which the plates are superposed and welded together, and thereafter t...  
JP2013107083
To provide a hydraulic forming method causing no forming failure by residual gas by surely eliminating gas such as air in a space in a material to surely prevent gas such as air from remaining in a space in a protrusion in a forming mate...  
JP2013107082
To provide a hydraulic forming method causing no forming failure by residual gas by surely eliminating gas such as air in a space in a material to surely prevent gas such as air from remaining in a space in a protrusion in a forming mate...  
JP2013107091
To provide an electromagnetic forming method of a polygonal cross-sectional member by which, when a member having a polygonal cross section is formed by performing tube-expansion of an aluminum alloy base stock having a cylindrical perip...  
JP2013104465
To provide a method for manufacturing a multi-way pipe joint, by which problems such as a working environment and lead pollution are remedied.The method for manufacturing a multi-way pipe joint includes: a step of inserting a bar-like re...  
JP2013103253
To provide a hydroforming method capable of increasing the sheet thickness of a corner of a hydroformed product while simplifying a device and reducing a production cost, and to provide the hydroformed product.The hydroforming method, in...  
JP2013091433
To provide a plastic-worked article formed by deforming a material having a cylindrical part from the outside to the inside of the cylindrical part, configured to improve fatigue strength against an external force, such as a torsional fo...  
JP2013060078
To achieve a structure capable of stably holding an inner column, on the inner diameter side of an outer column.The outer column 13d is formed by swelling a hollow pipe outside in the radial direction by a hydroforming process. A movable...  
JP2013039617
To achieve compactness of an apparatus for forming a metal bellows with respect to the forming, to achieve reduction in press abrasion, to achieve an improvement in work efficiency with respect to bulging and to achieve efficient and ine...  
JP2013031886
To enable hydroforming which enables branch bulge height to be enlarged without using counters and has a large root part curvature of a branch root part and also has a complex shape in the branch pipe part.A hydroforming apparatus includ...  
JP2013032074
To achieve a structure capable of stably holding an inner column, on the inner diameter side of an outer column.The outer column 13d and a movable side bracket 22b are molded by integrally swelling by a hydroforming construction method o...  
JP2013032073
To achieve a structure capable of stably holding an inner column, on the inner diameter side of an outer column.The outer column 13d and a movable side bracket 22b are molded by integrally swelling by a hydroforming construction method. ...  
JP2013010140
To provide a structural joint member which has a plurality of closed protrusions branched with a part of the structural joint member as a staring point, and where the protrusion height of the plurality of the closed protrusions, which ca...  
JP2012240080
To provide a method for manufacturing a can body by which fitting work is made easy by securing rigidity when fitting a shell plate and an end plate and also, a stress concentration part can be lost after joining the shell plate and the ...  
JP2012218040
To improve a molding possible limit by suppressing occurrence of molding defects, such as a crack and wrinkle, when manufacturing a hydraulically bulged product by performing hydraulic bulging on a molding raw material made of a pluralit...  
JP2012218024
To achieve reduction in cost of a bellows by efficiently performing bellows forming and improving mass-production performance.In the method and apparatus for manufacturing the bellows, a metallic pipe 6 is formed into a bellows 24 in suc...  
JP2012213793
To secure a sealability during bulging work even when the outer peripheries of two superimposed metal sheets are not welded.By using an upper die 2 which is formed with a sheet pressing surface 2a for pressing a steel sheet 4 and the rad...  
JP2012172176
To provide an aluminum alloy hollow-shaped material excellent in fatigue strength and a manufacturing method thereof.The aluminum alloy hollow-shaped material comprises an Al-Mg-Si-based aluminum alloy and has compressive residual stress...  
JP2012148345
To provide a welding method of a forming raw material, which improves a ductibility of a portion welded in advance of a high strength steel plate as a target workpiece, and then enhances a forming limit, and also to provide a laser weldi...  
JP2012135801
To integrally and simultaneously form the whole of a press formed article accompanying a deep drawn part with a high quality free from cracks and deformation, and to reduce the production cost.A method of forming the metallic sheet inclu...  
JP2012076138
To provide a method for manufacturing a superplastic molded product capable of obtaining a high-strength superplastic molded product using a heat treatment-based aluminum alloy and reducing the processes.The method for manufacturing a su...  
JP2012061501
To improve strength of a screw shaft and make it easy to control a length dimension when forming the screw shaft for a ball screw by bulging work.A tube p is inserted into a cylindrical bulging mold 21 having a screw forming surface 21b ...  
JP2012055969
To provide autofrettage processing that can reduce attrition in a part, which is caused by wear, as much as possible.The autofrettage apparatus inserts a piston (42) into an inner pressure chamber (IC) at a predetermined supply speed (v)...  
JP2012040604
To provide a method for easily manufacturing a square pipe-like molded product having proper shape by molding a pipe-like metal material.The manufacturing method includes: a preliminary molding step for molding the pipe-like metal materi...  
JP2012020326
To provide a hollow extruded material of an Al-Mg-Si-based aluminum alloy capable of increasing strength in the vicinity of a welded part and increasing an expansion rate, and capable of achieving a workpiece with an even plate thickness...  
JP2012011422
To provide a structure of a tube member, which increases the strength against a bend, a torsion and the like by a slight enlargement of a cross section without an increase in weight, and to provide a method for manufacturing the tube mem...  
JP2012000654
To provide an apparatus for manufacturing a metallic pipe with a flange capable of performing blow-molding by using a blow-molding die, and forming a necessary flange by pressing a molded article by continuously using the same mold (the ...  
JP2011245965
To provide a carriage which is attached rotatably to the under part of a vehicle body of a railway vehicle, and which has a side beam formable by pipe materials.A carriage frame FR constituting the carriage includes: a pair of side beams...  

Matches 501 - 550 out of 2,449