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Patent Searching and Data


Matches 601 - 650 out of 4,354

Document Document Title
WO/1995/012466A1
The invention relates to a process for forming hollow stepped shafts of cold-formable metal by internal high pressure with the following steps: provision of a tube outlet section and filling it with fluid; sealing at least the tube secti...  
WO/1995/008410A2
The present invention relates to a method of shaping hollow articles which method comprises locating said article in juxtaposition with a die or shaping surface means, introducing products of combustion under pressure interiorly of the a...  
WO/1995/003143A1
The invention relates to a device (2) for encasing workpieces, especially catalysts, with a close-lying casing (4) overlapping at the ends. The encasing device (1) has a receptacle (6) with several movable jaws (7) which positively surro...  
WO/1994/023860A1
Apparatus for bending and stretching symmetric and non-symmetric (in cross section) elongated hollow members (26). The apparatus includes removable jaw means (38, 39) located in opposed clamp assemblies of the apparatus for gripping the ...  
WO/1994/022611A1
Disclosed is apparatus (1) and a method for the stretch forming of an elongated hollow metal section (6), such as an aluminum extrusion. The apparatus and method uses one or more constraining means (15, 20, 21) secured to a forming die (...  
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/1992/013656A1
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/1992/013654A1
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/1992/013653A1
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)...  
JP2017025719A
[Subject] Mitigation of time and effort and reduction of material expense are realized, and a manufacturing method of a reproduction cooled nozzle for rockets which contributes to cost reduction of a rocket engine is provided. [Means for...  
JP6073879B2  
JP2017018963A
【課題】高い生産性でU字曲がり部分を有す る中空管を効率的に製造することができ、し かもU字曲がり部分の平行部間間隔や頂部曲 率半径が小さい中空管を容易に得ること...  
JP2017018964A
【課題】曲がり部分内側の曲率が実質的にゼ ロのU字曲がり管を製造する方法、装置を提 供する。【解決手段】上型部材と下型部材と の間に素材管が挿入される溝部が形成さ...  
JP6061280B2  
JP6061264B2  
JP2017501036A
特徴的な側壁を有する金属容器を形成するシ ステムおよび方法は、ブロー成形された金属 容器を提供することを含んでもよい。金属容 器は、少なくとも1つの側壁特徴を含む...  
JP2017006948A
[Subject] An object of the present invention is to provide a manufacturing method of Van Perth Tay for cars using an electromagnetism fabrication coil and this with sufficient endurance which can carry out expansion and pipe shrinking fa...  
JP2016221556A
[Subject] Irrespective of a kind of molding composition, molding equipment which can fabricate a pipe with a projection easily is provided. [Means for Solution] Upper model 10 and lower model 20 which have die surfaces 17a-17c and 18a-18...  
JP6050817B2  
JP2016538135A
フレームワーク(2)と、タンク(4)と、 カバー(26)、支持手段(30,31,3 2)によって前記カバー(26)に接続され る金型(362)、成形チャンバー(3...  
JP6029902B2  
JP6031447B2  
JP2016190262A
[Subject] Molding equipment which provides molding equipment which can raise exterior quality of a cast is provided. [Means for Solution] Molding equipment 10 is provided with the following. Temperature detecting element 110 which detect...  

Matches 601 - 650 out of 4,354