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Patent Searching and Data


Matches 651 - 700 out of 5,915

Document Document Title
WO/1994/013842A1
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/1994/006949A1
The present invention relates to a process for extruding molybdenum-rhenium alloys into tubes or pipes. The invention is capable of high temperature extrusion of MoRe alloys, which comprise about 10 to 50 w.% rhenium, into a seamless pip...  
WO/1993/024944A1
Tantalum electrode material is produced which has extremely low tortuosity, exceptionally low ESL and ESR, extended high frequency performance, very high volumetric efficiency, and reduced tantalum consumption per anode. The anode materi...  
WO/1993/020961A1
The description relates to a process for the continuous production of cyclindrical rods (24) with at least one and preferably a plurality of internal helical channels (26) of predetermined cross-section uniformly distributed around the p...  
WO/1993/020003A1
In order to simplify the production of a high-resistance bobbin body made of an aluminium alloy, the following process steps are disclosed: (a) extruding or flow extruding an essentially cylindrical bobbin blank (5); (b) cutting the bobb...  
WO/1993/013884A1
A method and device are described for hot forming, by plastic deformation, of metal alloys using a press tool. Said process involves extruding a billet (1), having at least one outer shell (8), by pushing through a die by means of a pres...  
WO/1993/011887A1
A device on an extruder for the evacuation of air, consisting of a cylinder (1) with a die mounted at one end, the outlet, and a piston (2) designed to move from a position outside the other end, the inlet, to a position inside the cylin...  
WO/1993/010922A1
An apparatus for extruding a sheath or cladding (30) about a temperature sensitive core material (24) wherein the melting point of the core material is lower than the temperature of the extruded sheath or cladding. The apparatus utilizes...  
WO/1993/011401A1
Perforated plates (10) having very small holes (14) with a uniform diameter throughout the plate thickness are prepared by a "wire drawing" process in which a billet of sacrificial metal is disposed in an extrusion can of the plate metal...  
WO/1993/009889A1
Twin metal billets (31) are fed to dual circumferential grooves (44) formed in a rotating wheel (43). The billets are advanced first to a edge-shaped gap which deforms the billets and are then advanced to a die (63). The die has a die op...  
WO/1993/004897A1
A structural beam exhibits cross-sections of variable area along its longitudinal axis achieved by cold deformation (folding) of the side walls of an extruded shape.  
WO/1993/001908A1
A method of manufacturing a universal joint outer housing (61) which produces an extrusion (60) which consists of two outer housings (61) instead of one. The outer housings (61) are formed adjacent to each other and are separated during ...  
WO/1993/002222A1
A type II superconducting alloy which is superconducting at a predetermined high magnetic field is prepared by creating a composite having a periodic arrangement of at least two transition metals so as to provide numerous interfaces betw...  
WO/1993/000183A1
A long deformed extruded metallic shape which is obtained through such processes that a metallic material is extruded and deformed at the same time for higher efficiency of operation without subjecting a long metallic shaped material to ...  
WO/1992/022390A1
The invention relates to an extrusion die tool for producing a hard metal or ceramic rod with at least one twisted internal bore (14). The nose (3) of the nozzle (2) has a smooth cylindrical channel (4). A bearer (6) is fitted coaxially ...  
WO/1992/019435A1
A paste extruder for the production of hollow sections, e.g. plastic pipes or hoses, especially from polytetrafluoroethylene (PTFE) essentially consists of a machine frame (1), an extrusion cylinder (2) to take a raw blank of plastic to ...  
WO/1992/012269A1
Disclosed is a method of making lithium-containing aluminum base alloy extrusion having at least a section thereof having a low aspect ratio, the extrusions having improved properties in sections thereof having the low aspect ratio. The ...  
WO/1992/011955A1
The invention relates to plastic working of metals. The installation comprises at least one container (1) for the blank, including a cylindrical casing (7) with a bottom (9), used as a power cylinder. A pressing plunger (10) is mounted i...  
WO/1992/011958A1
A spider or cross (10) for a universal joint is manufactured by first forging the basic configuration of the cross and thereafter extruding the trunnions (12) into their final configuration. The component is initially hot or warm forged ...  
WO/1992/002655A1
The mechanical properties of aluminium alloy extrusion in a specified transverse direction are improved by upsetting the extrusion billet in at least one direction chosen with reference to the specified transverse direction. For example,...  
WO/1992/000396A1
This invention is characterized by working which improves metal formability. This is contrary to the usual result of working metals, where formability decreases during working.  
WO/1992/000156A1
Apparatus consists of an articulated continuous casting machine (1) in which a mould for casting bar (18) moves endlessly from an upstream end to a downstream end of a path on the urging of an engine (15). To enable the cast bar to be fe...  
WO/1991/018689A1
In the manufacture of tubes provided with elevations or recesses, an extrusion billet is preformed (1) and compacted (2) by isostatic pressing whereupon the extrusion billet is extruded (3) into a tube. The extrusion billet consists of a...  
WO/1991/017002A1
A two wheel (10, 12) conform type aluminum extrusion machine and a die assembly (18) and subassembly (38) for extruding tubing or cladding a core material (116). The die subassembly (38) permits lateral adjustment of a die ring (94) rela...  
WO/1991/014523A1
A device for hydro-mechanical forming of articles comprising, all mounted coaxially, a multiplier (1), a power cylinder (2) and a demultiplier (3). On the rod of the power cylinder (2) is mounted coaxially to the latter a container (20) ...  
WO/1991/014519A1
The present invention concerns an improved mandrel (4) for forming metal materials, polymers or composites by extrusion which consists of a rotary cylindrical mandrel with alternate bulges and recesses along its longitudinal axis respect...  
WO/1991/013181A1
A complex part composed of rapidly solidified magnesium base metal alloy is produced by superplastic forming at a temperature ranging from 160 �C to 275 �C and at a rate ranging from 0.00021 m/sec to 0.00001 m/sec, to improve the for...  
WO/1991/009438A1
The invention relates to a process for making a long-lasting, sturdy sparking plug for internal combustion engines. The sparking plug electrode (16) of the invention consists of several components: one for a corrosion resistant casing (3...  
WO/1991/006619A1
As a lubricant for cold-working of metal there is provided on the surface of the metal to be subjected to working a solid film of a saturated aliphatic monohydric alcohol having 14 to 18 carbon atoms. After the metal has been worked, the...  
WO/1991/004809A1
The invention relates to the field of processing metals by pressure. According to the process, before extrusion of the blank (40) through the die (13), a bushing is placed in the gap between the cylindrical surfaces of a protrusion (41) ...  
WO/1991/004110A1
A billet of extrudable metal, particularly an Al alloy is tapered at its back end. The billet is compressed longitudinally so that the metal of the tapered end is upset transversely. The compressed billet is hot extruded. The upsetting i...  
WO/1991/004117A2
An apparatus (10) for pre-piercing billets (110) includes a generally cylindrical container (66) for receiving and supporting a generally cylindrical billet (110), a mandrel bar (36) mounted for axial movement along the axis of the cylin...  
WO/1991/003356A1
Process and device for making solder rods with a copper content of at least 60 % wt. A block of the alloy is shaped by an extrusion press into a single wire with a maximum diameter of 10 mm at a temperature between 540 and 680 �C. Afte...  
WO/1991/000783A1
Continuous extrusion apparatus including a rotatable, grooved, wheel (2) is provided with a shoe (6) mounted on a pivot (7) to be rotatable between a position engaging the wheel (2) and a dis-engaged position. The shoe (6) carries a tool...  
WO/1990/014176A1
Apparatus for the continuous extrusion of metals in which feed is introduced into two (or more) spaced apart circumferential grooves (4) in a rotating wheel (2) (or rotating wheels) to contact an arcuate shoe portion (8) and abutments ex...  
WO/1990/014177A1
A die for hot gas extrusion comprises, located consecutively, an inletting, a compacting, a forming and a calibrating section (1, 2, 3, 4), respectively, and an outletting channel (5), so that d D and h = (1.0 - 2.0)d, where d is the dia...  
WO/1990/011146A1
A device for making elongated articles of small cross-section by means of hot gas extrusion comprises a hydraulic press (1), a hollow container (6) intended for a blank and located in its working space, a matrix (13) located in the conta...  
WO/1990/009065A1
A multiplexed synchronous/asynchronous data bus is disclosed in which three bus lines (T, R, C 109) are used to convey bidirectional synchronous data between at least two data devices at a relatively low data rate. Half duplex asynchrono...  
WO/1990/006823A1
Extrusion apparatus, particularly applicable to small to medium sized presses, employs indirect extrusion in which a die stem (102) slides through an extrusion chamber (104). The chamber (104) itself is slidably mounted on a guide system...  
WO/1989/001369A1
A continuous extrusion apparatus has a rotatable wheel (2) with a peripheral groove (5). A shoe (4) encompassing part of the wheel (2) covers an arc of the groove (5) and terminates at an abutment (17) which penetrates and closes the gro...  
WO/1988/003066A1
A horizontal extrusion axis press (1, 101) comprises a case (3) wherein a horizontal cylindrical cavity (4) having an inlet (4b) for a billet (2) to be extruded is formed, a pusher (18) extending along the horizontal axis (x-x), associat...  
WO/1988/000502A1
The indirect extrusion press includes a container (13) with opposite axial ends and an axial cavity for receiving a billet (17). A bolster (21) is disposed adjacent one axial end of the container for blocking movement of a billet out of ...  
WO/1987/006508A1
An apparatus and method for the extrusion of metal using an apparatus of the ''Conform'' type. A furnace (1) is used to heat metal to a molten state, and an electromagnetic pump (4) transfers molten metal from below the level of the surf...  
WO/1987/005238A1
An indirect extrusion process, and apparatus therefor, for producing an extrusion product from a hot metal billet (25). A press container (21A) is mounted to be substantially axially stationary during extrusion of a billet. A hot biller ...  
WO/1986/007006A1
Method of forming an extrudable material into a secondary shape of part or predominantly linear cross-section from a primary shape of predominantly non-linear cross-section which comprises passing extrudable material through a contoured ...  
WO/1985/004825A1
Double-stem type extrusion method and apparatus used for extrusion-molding rod-like and tubular products. In order to upset a solid or hollow billet (5, 5A) supplied to a container (1), the end of the container (1) which is on the side o...  
WO/1984/000708A1
The method for manufacturing metal products by means of the plastic deformation provides for forming a metal layer on the surface of a stock in order to facilitate its deformation, and the plastic deformation is effected through the pres...  
WO/1983/001961A1
A process for producing a liquid-solid composition comprising heating a liquefiable material sufficiently to form a liquid phase with solid dendritic particles therein without completely liquefying the material and subjecting said liquid...  
WO/1983/001962A1
A process for forming a liquid-solid composition from a material which, when frozen from its liquid state without agitation, forms a dendritic structure. A material having a non-thixotropic-type structure, in a solid form, is fed into an...  
WO/1983/000452A1
Apparatus for continuous extrusion of metals in which feed is introduced into a circumferential groove (26) (Figure 3) in a rotating wheel (2) to contact arcuate tooling (22) and an abutment (24). The abutment (4) is spaced from the wall...  

Matches 651 - 700 out of 5,915