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WO/1999/067042 |
A metal forming method is used for manufacturing vehicle wheels. The invention comprises manufacturing of a wheel block comprising a central part and initially formed rim; drawing of the rim by hot rolling to obtain a wheel profile that ...
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WO/1999/065628 |
The invention relates to a method for producing an inner profile (4) of a sleeve-type metal outer part (1) by rotary kneading. The inner profile (4) corresponds at least essentially to an outer profile (5) of an inner part (2) which can ...
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WO/1999/064751 |
A method of forming a tubular member with longitudinal slots along part of its wall, comprising the steps of: firstly, forming longitudinal zones of weakness along part of the wall of the tubular member, and secondly, expanding the said ...
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WO/1999/061749 |
A rock bolt (1) and a method of forming a rock bolt. The bolt includes a paddle section (11) formed by deforming a portion (12, 13) of the bolt through application of an eccentric shear force.
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WO/1999/052666 |
A method of making a knob (30) and ferrule (50) for a captive screw (10) is disclosed, the knob (30) integrally attached to the screw (10), the ferrule (50) attachable to a panel (60). The method of making the knob (30) includes providin...
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WO/1999/051377 |
The invention provides a nail machine and a tool ring for securing preferably elongate bodies in a nail machine, e.g. for the manufacture of heads on said elongate bodies, said tool ring having an axis of rotation, an outer circumference...
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WO/1999/051423 |
The invention relates to a method for producing a throttle point (3) in a flexible tube (1), characterized in that the wall (13) of the flexible tube (1) is produced in such a way that part of the length of the inner area of the tube (1)...
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WO/1999/047291 |
A method of manufacturing a sheet metal product having a groove in an inner circumferential end surface thereof, capable of forming a groove in an inner circumferential end surface of a sheet metal work without using a cutting process; r...
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WO/1999/047289 |
A method of manufacturing a sheet metal product having a cylindrical portion at the inner circumferential side thereof, capable of forming a cylindrical portion (84) at the inner circumferential side of a sheet metal work (W) without usi...
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WO/1999/039018 |
The invention concerns steel for making a cleavable mechanical part characterised in that its chemical composition comprises (expressed in weight proportions): 0.2 % $m(F) C $m(F) 0,4 %; 0,1 % $m(F) Si 1.5 %; 0.3 % $m(F) Mn $m(F) 1.4 %; ...
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WO/1999/038739 |
Housing blocks designed to accommodate hydraulic components are well known. Such housing blocks have hydraulic fluid ducts formed by holes to interconnect the components. According to the invention, material of the housing block (2) is d...
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WO/1999/036207 |
The invention relates to apparatus for enlarging part of a metal workpiece by cold forging, characterised by an enlarging die (5, 6) and by the die having means (8, 8') to alleviate stress to the workpiece during forging.
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WO/1999/034023 |
A continuous annealing furnace wherein high carbon bearing steel is subjected to spheroidizing annealing continuously, characterized in that the furnace comprises not less than two processing chambers having mutually different carburizin...
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WO/1999/032240 |
A device for manufacturing a screw (2) comprises a cylindrical support (3) having a horizontal axis (x-x) and being rotatable there about. A straight bar (7) is wound spirally about the support (3). The bar (7) is constrained to a guide ...
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WO/1999/032245 |
The invention relates to a drilling tool for machine tools and to a method for the production thereof. The drilling tool has at least one chip conveyor groove (16) and at least one functional channel (20). In order to produce the body of...
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WO/1999/029450 |
The invention relates to a method for shaping a work piece (1) held between a counter holder (4, 4.1) and a guide (5, 5.1, 5.2) by a clamping force in which a profile section (3), for example, a precision teething is shaped in an area (2...
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WO/1999/029449 |
A reusable die for cold forging includes a metal casing, a bottom cover which has metal supporters welded on it and keyholes, and a film having desirable shape corresponding to the die cavity. The film is made of PET or PVC and provided ...
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WO/1999/029448 |
This invention refers to a stamping process (cold forming) for the manufacture of barbs (100) used for hose connections, process through which the barbs (100) are given a determined size, shape and form in accordance with a specific appl...
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WO/1999/024631 |
A method of manufacturing a forged brass product having a high corrosion resistance, comprising a first step of preparing a brass material, a second step of heating the brass material and then forging, preferably hot or cold forging the ...
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WO/1999/023406 |
The invention relates to a method for connecting the end of a pipe (2, 31) to a pipe coupling (1) having at least one supporting pipe insert (3) provided with a ratchet mechanism (5, 65, 67, 124). First of all, the pipe (2, 31) and the s...
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WO/1999/022891 |
A fastener forming apparatus (10) comprises a positive stop (40) that prevents workpieces (16) from overshooting the end of a forming stroke. A workpiece transfer mechanism (20) transfers one unformed workpiece (16) at a time into a work...
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WO/1999/023389 |
A spiral drive system for threaded fasteners (10) includes driver-engageable surfaces on the head end (16) of the fastener (10) in which at least some of the driver-engageable surfaces are defined by a spiral segment (8) configured to ma...
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WO/1999/020416 |
A method of manufacturing a metal shaft having a fluid passage formed immediately under the surface of a metal shaft, comprising a preliminary step of forming thread grooves U-shaped in cross section in the surface of a circular column s...
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WO/1999/020412 |
A method for manufacturing a shaft with a refined surface in which the surface hardness of shaft base material is improved or the properties of the surface of shaft base material are changed to make it usable for other purposes in a rela...
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WO/1999/015304 |
The present invention relates to a method for attaching and more precisely for caulking a component (15) on a substrate (14). The component (15) is placed on circular step (18) formed on the substrate (14), said substrate (14) defining a...
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WO/1999/014518 |
A cylinder liner for diesel or Otto internal combustion engines is made of an AlSi type aluminium alloy, with 12 to 40 % Si, for example, the size range of the particles of Si or intermetallic phases lying from 1 to 20 $g(m)m. The cylind...
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WO/1999/012674 |
A method of machining an article (30) including the steps of providing a resilient article having a lower face with a predetermined profile and an upper face (32); providing a reference article with an upper face (36) having a reference ...
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WO/1999/008820 |
The invention relates to a method for producing a gear wheel (1) with coaxial gear teeth (5) which project axially and have an axial undercut. To this end, a gear wheel preform (1) with preformed gear teeth (5) and a preforming tool (16)...
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WO/1999/007497 |
A full enclosed die forging method conducted by using a forging materiel which comprises crystal grains of different phases and has a recrystallization temperature of T1 and a melting point of T2. The method comprises enclosing the mater...
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WO/1999/007904 |
A face-gear forging die is constructed from a blank, and is cut to specification using a wire electrical discharge machining (EDM) process. The wire electrical discharge machining process is computer controlled, according to pre-specifie...
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WO/1999/006735 |
A generally disc-shaped flywheel (10) which is an integral one-piece forged structure formed by forging of a carbon steel blank (24, 26) and consisting of an inner portion (14) having a friction surface (19) and an outer ring gear portio...
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WO/1999/006164 |
A method for ironing spline teeth by axially engaging a die (24 or 28 + 30) having a plurality of ironing working surfaces (28a, 30a) corresponding to an outer periphery of a pressed sheetmetal (1) with a punch having a plurality of iron...
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WO/1999/006174 |
The invention concerns a method for making a plurality of metal pieces which consists in: providing at least one pre-blank (1) of a plurality of parts in carbon chromium steel containing at least 0.5 wt. % to 1.5 wt. % of carbon, said pr...
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WO/1999/001673 |
A fastener assembly (20) having improved push-out resistance and bearing engagement characteristics while maintaining serviceability by having stakes (30) located in the sidewall flats (14). The fastener is mounted in the opening of a re...
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WO/1998/058754 |
The invention relates to a method for producing a rack (5) for a rack-and-pinion steering in motor vehicles, which method consists of the following steps: a slug (18) for the rack (5) has a shape which differs from that of a regular cyli...
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WO/1998/057765 |
The invention relates to a multistage metal-forming machine tool having a last metal-forming station which divides combined pieces into two finished pieces (21, 22), and two delivery devices (3, 4) for the finished pieces. Each delivery ...
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WO/1998/057071 |
A method for forming spline teeth (12) on the outer periphery of a cylindrical part (5) of a work having the boss (5) integrally formed at the center of a metallic disk plate (3a), which comprises disposing the work so that the boss (5) ...
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WO/1998/053934 |
The invention relates to a flowturning device (1; 101) for producing an internal geared wheel (17) with inner toothing, one set of which is slanted. The workpiece (9) is held by a retaining member (16; 116) during shaping of the first in...
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WO/1998/053937 |
The invention relates to a device and method for producing a one-piece vehicle wheel in which a substantially discoid, undercut-free blank is cast. Immediately after casting, the blank is transported to a pressure cylinder machine while ...
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WO/1998/051939 |
A metallic band plate (1) is coiled into a ring shape with its wider surface (1b) directed radially, and ends of the band plate (1) are joined to each other by means of a joint (17) comprising a recessed portion (17a) and a protruded por...
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WO/1998/048959 |
A method of forming solid rivets to improve the rivets' resistance to fatigue and stress corrosion cracking. The present invention comprises a method of forming solid rivets to improve the rivets' resistance to fatigue and stress corrosi...
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WO/1998/047640 |
This invention concerns a method of joining forged, machined, formed or cast components with metal tube. In another aspect it concerns a metal object constructed according to the method. The tube heated to expand its diameter, but not su...
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WO/1998/047721 |
A process for forming a wheel component which includes casting the component to a near net size (10). The casting (25) is subsequently forged (35) to a final shape with a single forging operation.
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WO/1998/047646 |
A forging die for upset forging a material (30) placed in a cavity (15b) of a drag (4) between the upper punch (8) of a cope (2) fitted to a slide (1) and the lower punch (16) of the drag (4) installed on a bolster (3), wherein an upper ...
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WO/1998/041339 |
The present invention concerns a method for producing a brake cam shaft (1) having at least one cam (4) for actuating a drum brake. To produce a brake cam shaft (1) which is simple to manufacture, light-weight, and still suitable for hig...
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WO/1998/040527 |
The invention relates to a bearing steel with a usual bearing steel composition i.e. 100Cr6 or 100CrMn6, exhibiting delayed austenite recrystallization. Said steel contains: 0.80-1.05 mass % carbon; 0.17-0.65 mass % silicon; 0.20-1.20 ma...
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WO/1998/032982 |
A process is disclosed for manufacturing flat bearing shells. A strip of material (2) is cut into bearing shell sections (26), these sections are bent into a semicircular shape, and the outer and inner sides (88, 58), as well as the part...
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WO/1998/025715 |
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...
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WO/1998/025716 |
Methods of swaging fuel injector pump components are provided. A method of securing an armature plate (107) to a control valve (105) of a solenoid actuated fuel injector pump comprises: providing a control valve stem (109) extending from...
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WO/1998/023872 |
A self-plugging blind rivet for securing together apertured members comprises a tubular shell (11) having a tail end face (16) at one end, a pre-formed radially enlarged head (13) at the other end, and a stem which extends through the sh...
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