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WO/1997/009136 |
The present invention relates to a method for manufacturing a formed piece of aluminium or some other relatively soft metal. In accordance with the invention, a slice is cut from a rod of aluminium or some other raw-cast metal; the slice...
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WO/1997/007330 |
Method and device for producing an abrasion resistant ring for a piston for an engine for forming a cooling path in a ring groove and adjacent to the ring groove by being cast in the vicinity of a head portion of a piston for an engine. ...
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WO/1997/005976 |
A screw rolling method comprising the steps of arranging a plurality of rolling taps in parallel with one another and at predetermined intervals in the direction of the circumference of the same circle, retaining these rolling taps toget...
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WO/1996/038241 |
The invention concerns a process for manufacturing annular work pieces from metal with a profiled cross-section, preferably with external helical gearing, and a rolling facility for carrying out the method. It is proposed that a) forming...
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WO/1996/033030 |
The invention is related to a process and apparatus for the manufacture of a cooking vessel, such as a frying pan (12) or a kettle from a metal blank. According to the invention, the vessel is manufactured by roll forming techniques by u...
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WO/1996/025257 |
A method of forming vehicle wheel rims which includes the single pass spinforming of the rim blank prior to forming the rim profile. The spinforming operation stretches and elongates the blank to form a blank of non-uniform thickness pri...
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WO/1996/022845 |
In the present method of producing a metal hollow body (1) having a cylindrical casing which is provided on the exterior with at least one predetermined breaking line (32, 51), the casing is formed by a drawing process and the predetermi...
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WO/1996/022848 |
A method of producing a poly-V groove pulley by sheet metal working. A ring-like peripheral wall, which is a thickened periphery of a substrate portion is clamped, and the ring-like peripheral wall is elongated so as to form a drum wall ...
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WO/1996/022847 |
The annular peripheral wall of a metal sheet is thickened two times or more the wall thickness of the sheet, and teeth for a belt with timing teeth or a gear are formed on the annular peripheral wall thus thickened. The method comprises ...
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WO/1996/022169 |
Machine and method for deep rolling fillets of split-pins of engine crankshafts. Each split-pin comprises neighboring and arcuately offset crank pins (24, 26) connected between counter weigths and has a centralized splitter fence (32) wh...
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WO/1996/020050 |
The invention concerns a flow-turning process for manufacturing internally geared parts, with a press mandrel (10) comprising a mandrel (1) on which is fitted a forming tool (2) and one or more pressure rollers (3). A workpiece (4) is he...
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WO/1996/012589 |
A machining apparatus (20) for deep fillet rolling the undercut radii of a crankshaft (22) includes an adjustable support means or workholder (24) and a rolling tool assembly (26).
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WO/1996/007504 |
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...
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WO/1996/007015 |
The invention relates to a rock bolt (1) and method of installing a rock bolt, particularly a hollow bolt. The method of installation utilises a chemical anchor, the components of which are provided in a cartridge (4) which is either inj...
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WO/1996/001160 |
The invention concerns a method of manufacturing an externally toothed gear element, the method calling for the external toothing to be formed on a cylindrical body by inserting a workpiece (3) in a tool in a rotating tool-holding fixtur...
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WO/1995/034387 |
The invention concerns a method for the production of a seamless hot-finished tube from steel with reduced deformability, in particular roller-bearing steel, the method calling for a pretreated and degassed as well as deoxidized liquid s...
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WO/1995/029777 |
The invention relates to a process for the continous, chipless separation of individual identical rings (4) from tubular workpieces (1) by means of cutting rollers (2). In order to produce rings (4), preferably of roller bearing steel, w...
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WO/1995/023042 |
The proposed method of manufacturing articles whose cross section varies with length involves the deformation of the bar-shaped blank, machining to produce precise final dimensions, heat treatment, and final trimming and subsequent tempe...
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WO/1995/022422 |
The invention relates to thread formation and particularly to the formation of threads on deformed steel reinforcing rods. The method of forming a thread on the steel reinforcing rod comprises the steps of cold upsetting an end region (1...
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WO/1995/019114 |
A wire reinforcement (18) for women's garments designed to support the breasts exhibits an axial cross section with a long axis (19) and a short axis (20) perpendicular to the long axis. The long axis has a length D1, and the short axis ...
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WO/1995/013151 |
A method of manufacturing a one piece integral metallic beam (22) having flanges (24), and a web (26) joining said flanges, the beam having been hot rolled from a heated metal workpiece (20) to produce an integral one piece beam having f...
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WO/1995/008409 |
A method of making a cold roll-formed sheet metal article having at least one longitudinally extending cold worked zone is characterised by the step of stress relieving said zone by impressing a regular embossed pattern thereon. In one e...
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WO/1995/005907 |
In this invention, a design pattern (5) formed on a disc surface (4) of a work (3) is picked up as an image data by a camera (18) and compared with a predetermined design pattern data by an image processing system to calculate a deviatio...
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WO/1994/021427 |
The invention relates to a process for hard-rolling a component (2) to be loaded along a load axis (1) in a notch (3) running approximately parallel to the load axis (1) and having a minimum radius of curvature (4) to be determined in a ...
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WO/1994/020238 |
The invention concerns two rack-like tools (1, 2) mounted parallel to each other on a machine and which engage with a gearwheel (3) which is to be produced without any cutting operations. The tools (1, 2) have teeth of progressively incr...
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WO/1994/019126 |
A method of and an apparatus for molding a bottomed cylinder, the outer circumferential surface as a whole of which can be utilized effectively, out of a plate type raw material by plastic working. The method comprises the steps of holdi...
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WO/1994/019127 |
A process is disclosed for manufacturing a light metal wheel in a single piece from a wrought aluminium material, preferably an alloy of the AlMgSi type, by flow turning or rolling a warm blank. The blank is solution heat treated at temp...
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WO/1994/017932 |
A method and apparatus for manufacturing metallic strip (20) with a varying thickness is described. The metallic strip is particularly for use as part of a windscreen wiper blade assembly. Feedstock (14) having a constant thickness and w...
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WO/1994/013965 |
A threaded fastener (12) that self locks as it is tightened to a fastened object (14). The thread (30) includes one or more portions (48) that are shifted, resulting in one or more discontinuities in the thread (30). Each shifted portion...
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WO/1994/011183 |
A method of making a perforated tubular member by supporting a thin stainless tube (10) on a mandrel; machine engraving funnel-shaped holes (12) through the tube (10) and removing the machine-engraved tube from the mandrel. An alternate ...
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WO/1994/009928 |
Disclosed in this invention is a method of manufacturing poly-V-grooved pulleys readily made of sheet metal, in which said pulley is manufactured through such steps that: a slotting roller (2) is pressed to the outer periphery of a disk-...
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WO/1994/007619 |
A hollow bar (3) and a method of manufacturing the hollow bar are disclosed. Typically, the hollow bar is a threaded rock bolt or a drill rod. The hollow bar (3) comprises two or more elongate members (21a, 21b) connected together along ...
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WO/1994/006581 |
The object of the invention is a process for manufacturing a formed body made by pressing or deep-drawing and having different wall thicknesses from an initially flat sheet metal part. Such a formed body, for example a beam (1), having a...
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WO/1994/006579 |
In a continuous screw conveyor or auger, the rotatable screw member (12) comprises a helical radial blade (28) (known as "flighting") which is preferably carried on a central driving shaft (26). The flighting (28) is formed by rolling a ...
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WO/1994/005446 |
A rolling device for producing corrugated workpieces made of a metallic material has two flat jaws which can be synchronically moved towards each other in parallel planes, tangentially to a workpiece revolving around its longitudinal axi...
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WO/1994/004304 |
An apparatus and method are provided for the thermomechanical net shape finishing of precision gear tooth surfaces by controlled deformation into the metastable austenitic condition. To this end, an arrangement of a fixed axis through-fe...
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WO/1993/025789 |
A rotary body (14) having an eccentric reception bore (16) for receiving a bearing journal or a pivot pin is rotatively adjustable in a bore (12) of a bearing block (10). An adjusting screw (22) is transversely arranged to the bearing bo...
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WO/1993/024257 |
Procedure for making a screw thread on a corrugated bar, in which procedure the thread is made on one end of the corrugated bar (7), in which procedure the end of the corrugated bar (7) is expanded by battering so that the cross-sectiona...
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WO/1993/023576 |
Apparatus for effecting domain refinement of electrical steels comprises an assembly of an array of rotatable members (2) mounted within a supporting structure (3) and movable into direct contact with the surface of a strip or sheet of e...
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WO/1993/016824 |
A method of forming a toothed wheel comprising the steps of cold-forming a circular piece of sheet metal of predetermined thickness into a preform, rotating (1) a rotary holding unit with the preform secured thereto about the preform axi...
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WO/1993/013891 |
A method of forming a boss part sufficient in thickness and assured of a height of projection even when reduced in diameter, without excessively reducing the thickness of the metallic material and with the use of a small press, in which,...
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WO/1993/010964 |
A grooved seal is formed by pressing a groove former (6) into an end face (5) of a seal blank and causing relative motion between the blank and the former (6). The former (6) takes the form of a rotatably mounted wheel held in a holder (...
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WO/1993/003296 |
When a bearing (5) has to be mounted on a shaft (1) provided with an endless screw (3), so that the diameter of the bearing section (4) is larger than the outer diameter of the screw, not only the screw (3) but also the bearing section (...
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WO/1992/020474 |
The device and the method of the invention relate to the cold-forming by rolling of revolution parts (7). The device is comprised of two similar serrated rollers (9A, 9B) arranged symetrically with respect to the part to be formed (7), a...
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WO/1992/014565 |
For the manufacture of rotationally symmetrical workpieces such as wheels or pulleys, it is proposed that two tools be displaced relative to the workpiece, or $i(vice versa), in a direction tangential to the workpiece. The point at which...
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WO/1992/013659 |
A method for preparing rings (120) having an integral stiffening geometric pattern. The method incorporates unique tooling for providing the pattern, preferably comprising a plurality of segments (10) which fit together to define a ring,...
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WO/1992/010688 |
A masonry fixing device (1) comprises a steel shank (2) which in the form of the blank is right circular cylindrical form. A ridge-groove-ridge configuration extends helically along the lower portion (4) of shank (2) and comprises a pair...
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WO/1992/009535 |
Oxide dispersion strenghtened metals (2) are formed into a profiled member (6) by a ring rolling process and are then employed as a spinner (6C) in the manufacture of fibrous glass. Sufficient hot working and annealing are provided to de...
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WO/1992/008559 |
Described is a method of manufacturing a gasket, in which, before the gasket is fitted, a three-dimensional sealing surface is permanently formed on at least one side of the gasket complementary to deflection of the sealing surface in al...
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WO/1992/008916 |
Described is a gasket, in particular a cylinder-head gasket, made of a pressure-resistant, non-deformable material. Unlike prior art gaskets, the gasket described is permanently pre-formed before it is fitted, so that the gasket sealing ...
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