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Patent Searching and Data


Matches 601 - 650 out of 5,915

Document Document Title
WO/1998/040188A1
This invention relates to a method of manufacturing an engine block characterised by the steps of: a) extruding a length of material as part of an engine block, and b) cutting the length of material when it reaches the desired length for...  
WO/1998/033610A1
A semi-solid metal forming process using a cast billet and having the following steps: 1) heating the cast billet to a temperature above its recrystallization temperature and below its solidus temperature; 2) extruding the cast billet in...  
WO/1998/031958A2
The present invention relates to a method for making a metal pipe connection (6) in the form of an intermediate tube for connecting a pipe made of a first material (7) to another pipe made of a second material (8) by means of ring-shaped...  
WO/1998/028129A1
A process for forming a porous electrolytic compact by establishing multiple valve metal components in a billet (20) of a ductile metal. The composite billet is worked through a series of diameter reduction steps (22, 24, 30), to form th...  
WO/1998/025715A2
A method of producing a metal part. A shaped metal ingot (10) is provided which has a desired cross-sectional shape substantially in the same configuration of the metal part (30) to be produced. This ingot is preferably continuously cast...  
WO/1998/019803A1
A process is disclosed for extruding a profiled section (40) made at least partially of a metallic material. A preform (36) is extruded in a partially solid or partially liquid state into a section (40) and the extruded section in the pa...  
WO/1998/018587A2
A continuous extrusion process and device are disclosed for rods (24) made of a plastic raw material and provided with at least one inner channel (22) which at least in part is spiral-shaped. The raw material may be a powder-metallurgica...  
WO/1998/014285A1
The present invention relates to a method for manufacturing a structural member (1), especially a vehicle assembly member serving to absorb collision energy and forces by direct or indirect collision impact, and for the purpose of obtain...  
WO/1998/014284A1
This invention relates to a method of extruding pipes on horizontal presses (20), and in particular relates to a method of extruding pipes wherein a removable centering plug (226) is provided to prevent displacement of the central guide ...  
WO/1998/009749A1
A shaft is integrally fabricated from an arbitrary portion of a metal plate, the axis of which is perpendicular to the metal plate. The method comprises a first step of extruding the metal plate (1) forward by press working, and a second...  
WO/1998/000249A1
A method of producing a roll-over tube and the tube produced by such method, in particular for use in a roll-over bar in a vehicle is disclosed. The narrow roll-over tube characterised by very good tolerances for safe, reliable guidance ...  
WO/1998/000259A1
A method of extruding a boron carbide-aluminum alloy metal matrix composite includes heating the ingots of the composite to temperatures of about 570 �C, holding the ingots at about 570 �C to soften the ingots, placing the ingots in ...  
WO/1997/047408A1
The body comprising a body member (12) and a stack portion (14) for transferring the liquid having a substantially constant cross section that is smaller than the cross section of the body member (12) such that the stack portion (14) com...  
WO/1997/038146A1
A high strength Al-Mg alloy in plate or extrusion form having significantly improved strength in both soft and work-hardened tempers as compared with AA5083 is provided. The materials have ductility, pitting, stress and exfoliation corro...  
WO/1997/036701A1
A cold impact extrusion method for hollow metal elements, in particular cartridge cases, comprises the steps of placing a slug or blank in a die, pressing the blank within the die between a punch and counter-punch facing each other, duri...  
WO/1997/031792A1
A light metal rim ring for vehicle wheels made of an aluminium alloy and consisting mainly of at least one multicavitied hollow profile (1) which comprises a reinforced, in particular a solid portion (2) for the attachment of a wheel dis...  
WO/1997/018958A1
The proposed method of producing light alloy wheels involves producing the wheel rim from a shaped section obtained by extrusion of an initial blank. The section is bent into a ring and butt-welded. A wheel disc is then fitted and joined...  
WO/1997/012700A1
An apparatus and method for the forming of a shaped article includes a means (11) for plasticizing a feed material (10); a die chamber (13); a means for delivering a plasticized feed material from the plasticizing means (11) and into the...  
WO/1997/012745A1
In a method for continuous manufacture of profiled sections material (3) is forced through a passageway (2) past the rotating die (5) to form one or several lengthwise profiled sections (11, 12). During its advancement the material (3) i...  
WO/1997/009457A1
A process is disclosed for manufacturing thin-walled pipes made of a heat- and wear-resistant aluminium-based material. A billet or tube blank made of a hypereutectic AlSi material is produced, optionally overaged by an annealing process...  
WO/1997/003769A1
Extrusion apparatus (300) comprises: a die assembly (304) including a die (352) having an orifice (362) of a desired shape and a ram (310) for forcing a portion of material to be extruded through the die orifice (362) to form an extrusio...  
WO/1997/003770A1
Method of manufacturing seat rails comprises steps of co-extruding two symmetrically arranged rails (1, 2) and a subsequent separation of the rails by a longitudinal cut running alternately above and under their mutual axis of symmetry. ...  
WO/1996/032211A1
A method for making a silver-plated aluminium conductor comprising an at least partially aluminium-based substrate coated with a silver layer. The method comprises firstly forming a cylindrical billet (B) then extruding the billet (B) to...  
WO/1996/029162A1
A die top assembly engaging with a rotating wheel (not shown) of a continuous extrusion apparatus includes a die top (22) formed with a part cylindrical face (34) co-acting with the wheel cylindrical surface and is positioned in a shoe (...  
WO/1996/029161A1
A tooling assembly for a continuous extrusion apparatus includes a die top (22) positioned in a shoe (8) arranged to be urged into contact with a rotating wheel (2) having a circumferential groove (26). An abutment body (24) is positione...  
WO/1996/021527A1
The invention concerns a horizontal metal bar extrusion press; in the press frame, which comprises a cylinder spar, a counter spar and tie rods (4) connecting the cylinder and counter spars, a receiving holder (12) and a slide spar (9) w...  
WO/1996/020055A1
A sputtering target comprising a body of metal such as aluminum and its alloy with an ultra-fine grain size and small second phase. Also described is a method for making an ultra-fine grain sputtering target comprising melting, atomizing...  
WO/1996/017698A1
A NiTi-based tube of memory metal is produced by extrusion, whereby: a) one starts off from a blank of a memory metal; b) a central hole is drilled in said blank; c) a core is introduced into the central hole, whereafter the blank is enc...  
WO/1996/015864A1
An apparatus (20) for continuously extruding shaped articles includes a frictional extrusion source for extruding a feed material (31), a chamber for holding (42, 43) frictionally extruded material received from the extrusion source, a p...  
WO/1996/014946A1
The invention concerns the field of metallurgy and is suitable for use in the forming of wire-shaped metal material, in particular in wire drawing. To form and/or coat wire-shaped metal material (19) with solid to paste-consistency lubri...  
WO/1996/014947A1
The invention concerns the field of the extrusion of rod-like shaping material and the field of lubricants therefor. The solid lubricant according to the invention can be applied to the shaping material in order to render possible or fac...  
WO/1996/014948A1
Disclosed is a friction-assisted hot extrusion method for producing hollow articles involving the following steps: the hollow blank (1) which is to undergo extrusion is pre-heated and placed inside the lining (2) of a container (3), a sp...  
WO/1996/013345A1
In cold flow processing of metals, especially steel, coatings of transition metal halogenides, especially FeCl3, have proved suitable because they efficiently counteract cold welding problems. The coatings may be applied in the form of a...  
WO/1996/013624A1
This invention relates to a process for making copper wire (12) comprising: (A) contacting a copper-bearing material with an amount of at least one aqueous leaching solution to form a copper-rich aqueous leaching solution; (B) contacting...  
WO/1996/011757A1
A method of forming a closed-end vessel (24) by backward extrusion comprises providing an extrusion billet (18) having a front surface (16) with an axial recess and a body (20) of an extrudable material positioned in the recess. Backward...  
WO/1996/007504A1
The invention relates to a process for producing a multi-blade tool of high-tensile tool steel and the tool produced thereby. The invention comprises the steps: a section with a cross section corresponding to that of the multi-blade tool...  
WO/1996/002677A1
A method of making high-strength steel parts is disclosed by providing a blank of high-strength steel having a ferrite-pearlite microstructure and high-strength mechanical properties and cold forming the blank by upsetting, forging, or e...  
WO/1996/002676A2
A method of making high-strength steel structural members is disclosed by providing a blank of high-strength steel having a ferrite-pearlite microstructure and high-strength mechanical properties and cold forming the blank by rolling, up...  
WO/1996/002335A1
Continuous extrusion apparatus having a rotating circumferential groove (72) carrying feedstock to a passageway formed between the groove and arcuate tooling extending into the groove has the groove formed on the central region (72) of a...  
WO/1995/033876A1
An apparatus and method is disclosed for an improved fiber tow (120) having plural diameter metallic wires (141, 142) comprising the drawing of a first cladded metallic wire to provide a first drawn cladding of reduced diameter. The firs...  
WO/1995/032819A1
The invention relates to a method of manufacturing wire from a high alloy material in which thin-walled tubes of a ductile carbon steel filled with a powder of the high alloy material are placed in a can and powdered filler material is i...  
WO/1995/032818A1
A method of plastic forming of solid materials, especially during rolling, forging and extrusion, is presented. During plastic working there takes place an intrusion into the structure of the deformed material, thus changing the course o...  
WO/1995/020245A1
A method for producing a superconductor by partial inter diffusion of layers of metal under a diffusion heat treatment to provide a ductile beta phase alloy, along with undiffused metal layers to permit ease of extrusion and drawing to f...  
WO/1995/017270A1
A Conform machine has a rotatable wheel (1) with a continuous groove (7) in a wall. A fixed shoe structure (9) associated with the wheel (1) provides a passageway and an abutment (11) on the shoe structure (9) closes off one end of the p...  
WO/1995/013150A1
The proposed process for the hot extrusion of metal with the active assistance of friction forces involves placing the pre-heated blank (1) in a chamber (3) and forcing it through the die (5), which determines the shape and geometrical d...  
WO/1995/007777A1
Twin metal billets (31) are fed to dual circumferential grooves (44) formed in a rotary wheel (43), and are advanced to a die (21) which has a die opening with a circumferentially discontinuous, annular cross section. The metal merges in...  
WO/1994/027754A1
An apparatus (20) for continuously extruding shaped articles includes providing a frictional extrusion source for extruding a feed material (31), a chamber (42) for holding frictionally extruded material (29) received from the extrusion ...  
WO/1994/026437A2
A subject of the invention is the radial extrusion process combined with inside tube ironing, which is an essence a cold extrusion process and can be reckoned among bulk metal forming processes. It enables tube shaped metal semiproducts ...  
WO/1994/024326A1
A method of making a pressurised gas cylinder comprises providing an ingot of composition (in wt. %): Zn 5.0 - 7.0; Mg 1.5 - 3.0; Cu 1.0 - 2.7; recrystallisation inhibitor 0.05 - 0.40; Fe up to 0.30; Si up to 0.15; other impurities up to...  
WO/1994/016842A1
A process for producing aluminium cans for beverages or foodstuffs has the following steps: coating pure aluminium rounds (10) with a soap-based lubricant; extruding the rounds (10) into cups (20); drawing the cups (20) into raw cans (30...  

Matches 601 - 650 out of 5,915