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Patent Searching and Data


Matches 551 - 600 out of 4,298

Document Document Title
WO/1994/004293A1
Process for the manufacture of assemblies consisting of two formed and glued pieces. Both pieces (1 and 3) are disposed on a punch and die (2 and 4) provisionally separated in order to introduce sufficient pressure to hot form them. The ...  
WO/1994/003290A1
A device for explosive forming of tubes of complex configuration comprises an even number of split dies (8, 10) of cylindrical form, means for joining the split parts of the dies, which are common for each pair and consist of a rope (4) ...  
WO/1993/020382A1
Known metal pipes with inner and/or outer linings have the disadvantage that the fit between supporting pipe (1, 2, 3, 8, 9, 10, 20) and inner pipe (5, 14, 15, 21) or outer pipe (16), as well as the sealing of the individual pipes, which...  
WO/1993/017825A1
A device for internally cladding an outer tube with an inner tube by means of an explosion process. The invention is characterized in that the device includes an outer tubular fixture (1) in whicch a workpiece comprising the outer (2) an...  
WO/1993/016836A1
A method of cladding an outer tube (1) with an inner tube (2), wherein the inner tube is made of a corrosion-resistant material, for instance. The invention is characterized by placing a number of explosive charges (3) in mutually spaced...  
WO/1993/010923A1
A forming die (13) which includes a die cavity (19) contains a forming blank (17) composed of a metallic alloy having superplastic properties. The forming pressure in a pressurized space (18) adjacent the forming blank (17) is regulated ...  
WO/1993/001902A1
A process and apparatus for forming a sheet material by drawing it into a die cavity (12) utilizing the flow of a viscous thermoplastic polymer medium extruded against the sheet (22) and/or extruded out of said die cavity (12) through a ...  
WO/1993/001020A1
The low peel strengths of diffusion bonded joints in aluminium alloy structures has been a bar to their use in superplastic forming. The invention overcomes this disadvantage by creating a workpiece intended for subsequent superplastic f...  
WO/1992/021918A1
In prior art explosive combustion processes, pollutants enter the environment both during the preparation of the explosive for explosive treatment and on opening of the explosion chamber. With the process of the invention, such pollutant...  
WO/1992/013654A1
In a process for the hydrostatic shaping of hollow bodies (17) of coldworkable metal inside a shaping chamber (16) of a swage (11) and in a device for implementing the process, pressurised liquid is fed from outside into the hollow body ...  
WO/1992/013656A1
A device for the hydrostatic shaping of hollow bodies (16) of cold-workable metal within a shaping recess of a die (13) is fitted with at least one system for supplying pressurising fluid into the hollow body (16). The supply system cons...  
WO/1992/013655A1
A device for the hydrostatic shaping of hollow bodies (19) of cold-workable metal within a shaping recess (17) of a die (12) is fitted with a system for supplying pressurising fluid into the hollow body (19). The supply system consists o...  
WO/1992/013653A1
In a process for the hydrostatic shaping of hollow bodies (21) of cold-workable metal and in a device for implementing the process, pressurised liquid is fed from outside into the hollow body (21) inside a shaping chamber (17) of a swage...  
WO/1992/011957A1
Each of the metallic units (1) has a concave portion (5) bounded by a peripheral edge (7) which has a predetermined shape. The apparatus includes an upper member (11) and a lower member (13) and a tool (41) is adapted to be mounted on th...  
WO/1991/011274A1
A method for expanding a portion of a cylindrical sidewall of cylindrically shaped metallic body (20). This method comprises the steps of retaining a first portion of the body, disposing a coil (16) of electrically conductive material in...  
WO/1991/008065A1
Apparatus for forming sheet metal blanks (80) within a press (10) having base and outer (11) and inner (12) slides and including a basic die (15, 16, 17, 18) mountable to the press and tooling (25, 51) mountable to the basic die. The bas...  
WO1991002939A3  
WO/1991/002939A2
The invention provides a linear explosive cutting or fracturing charge comprising a plurality of elements connected together for articulation. Each element comprises a body portion (1) defining a recess (9) for containing explosive mater...  
WO/1989/010218A1
The process for forming a metallic sandwich structure having a curved surface, particularly a surface curving about more than one axis, such as a quadric surface partially by direct displacement and partially by a fluid interface. Additi...  
WO/1988/007899A1
A method and apparatus for high energy rate forming of metal. A die/mould (11) of the shape to which a metal sheet (13) or panels (18) is to be formed is lined with the metal sheet (13) or panels (18) and filled with a liquid medium. A n...  
WO/1988/006937A1
A discharge device for magnetopulse processing and welding of metals has two working electrodes (3, 4) between which is located an ignition electrode (5), shaped as a ring with slots (14). One of the working electrodes (3) has a current-...  
WO/1988/006248A1
A hollow shaft with torque-transmitting structural components, such as gear wheels, curves, cams or the like, and possibly auxiliary form components, such as bearings, stopping faces, hexagonal or circular contours or the like, comprisin...  
WO/1987/006869A1
Double toggle synchronous mechanism which can be employed in a mechanism and the like which compresses a work by applying pressure from both sides, processes and presses the work from both sides or clamp an article from both sides in suc...  
WO/1987/005245A1
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/1986/005730A1
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/1986/005725A1
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/1983/002576A1
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/1982/003577A1
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/1981/002128A1
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/1981/000528A1
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/1980/000424A1
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)...  
JP2014176896A
To provide a method of making a structure by welding and superplastic forming for materials such as aluminum unsuitable for diffusion bonding or brazing to produce sandwich structures from stacks of two or more worksheets.A method compri...  
JP2014524355A  
JP2014522729A  
JP2014159790A
To shorten a manufacturing time while determining qualities of all of cylindrical bodies, in a manufacturing process of the cylindrical bodies by applying an autofrettage processing.In a process to execute an autofrettage processing, a d...  
JP5582110B2  
JP5583412B2  
JP5584769B2  
JP5541690B2  
JP5530168B2  
JP5527312B2  
JP5520725B2  
JP5517552B2  
JP5513792B2  
JP2014088124A
To provide a telescopic steering device having a structure such that an inner column can be stably held on an inner-diameter side of an outer column.An outer column 13d and a movable-side bracket 22b are bulgingly molded in one body by a...  
JP2014088174A
To provide a structure such that an inner column 14c can be stably held on an inner-diameter side of an outer column 13d.An outer column 13d and a movable-side bracket 22b are bulgingly molded in one body by a hydroforming method, etc. F...  
JP5494587B2  
JP2014073834A
To provide a telescopic steering device where an inner column can stably be held on an inside diameter side of an outer column.An outer column 13d and a movable bracket 22b are bulged and formed integrally by a hydroforming process or th...  
JP2014073502A
To further minimally mold R of a corner part of a cross section, when molding a rectangular cross-section member, by expanding a metallic cylindrical raw material having a cylindrical peripheral wall by electromagnetic molding.The periph...  
JP2014073835A
To provide a telescopic steering device where an inner column can stably be held on an inside diameter side of an outer column.An outer column 13d and a movable bracket 22b are bulged and formed integrally by a hydroforming process or th...  

Matches 551 - 600 out of 4,298