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WO/2012/007642 |
The present invention is related to chemical pulping. It provides a method by which dewatering in paper product production, optical properties, bulk and surface smoothness of the paper product produced can be increased. Said method invol...
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WO/2012/006971 |
A die seat device used for wire-drawing. The die seat device comprises a die seat body (33) having a die seat hole (46). A drawing die (41) is mounted in the die seat hole (46). A lubricating material storage slot (31) is disposed on the...
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WO/2012/001882 |
Disclosed is a heat transfer tube for a steam generator, wherein the surface roughness of the inner surface of a tube is measured in the longitudinal direction, and the dimensional variability in the measured roughness curve at a 50 mm r...
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WO/2011/093055 |
Provided is a manufacturing method for a seamless steel pipe in which a small diameter thin-walled pipe is drawn by means of a tapered die (1), which is used as a processing die and is provided with an approaching part (1a) that has a ta...
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WO/2011/073757 |
A composite roller comprising at least one insert (11) made of sintered material, characterized in that the insert (11) is surrounded at least partially by a copper alloy support comprising: Cu, Fe, Ni, A1, Zn.
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WO/2011/034290 |
The present invention relates to a cooling apparatus and to a cooling method for an indirect extruder, wherein the technical aim of the present invention is to provide a cooling apparatus and a cooling method for an indirect extruder, wh...
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WO/2011/034290 |
The present invention relates to a cooling apparatus and to a cooling method for an indirect extruder, wherein the technical aim of the present invention is to provide a cooling apparatus and a cooling method for an indirect extruder, wh...
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WO/2011/021621 |
In an apparatus for drawing a metal tube, in which a lubricant is discharged from an opening formed in a hollow rod which supports a plug to apply the lubricant onto an inner surface of a tube blank, the lubricant discharging sensitivity...
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WO/2011/011893 |
A tool assembly for forming a workpiece into a housing with a non-round design outer profile at least partially defined by an outer surface at a design position reduced from the initial position thereof. The tool assembly includes a ring...
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WO/2010/132910 |
The invention relates to a method for producing a small thin-walled tube for a medical application or for a medical product, particularly for a stent, wherein a blank made of a magnesium alloy, which in particular is bioresorbable, is fo...
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WO/2010/074438 |
The present invention is aimed at providing dies for shear drawing, which are capable of continuous drawing and shear deformation at the same time. The invention relates to the dies for shear drawing which comprises a material processing...
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WO/2010/074438 |
The present invention is aimed at providing dies for shear drawing, which are capable of continuous drawing and shear deformation at the same time. The invention relates to the dies for shear drawing which comprises a material processing...
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WO/2010/074438 |
The present invention is aimed at providing dies for shear drawing, which are capable of continuous drawing and shear deformation at the same time. The invention relates to the dies for shear drawing which comprises a material processing...
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WO/2010/067576 |
Provided is a pipe having a grooved inner surface, which has excellent thermal conduction properties, can be made compact and lightweight, and allows resources to be conserved. Also provided are a method and apparatus for producing this ...
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WO/2010/064523 |
Proposed is a method for manufacturing an ultrathin metal pipe using a cold drawing method, by which the manufacturable range of thin sides in metal pipes can be expanded drastically. In a diameter-expanding drawing method, an inlet-side...
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WO/2010/062357 |
Bonding wires (252A) for sophisticated bonding applications may be efficiently formed on the basis of a corresponding template device (200) that may be formed on the basis of semiconductor material (201), such as silicon, in combination ...
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WO/2010/054678 |
A forming tool in which a contact region coming into contact with the material that is to undergo forming is formed at least in certain portions from a fibre-reinforced ceramic.
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WO/2010/049061 |
The invention relates to a drawing die (2) for reducing the cross-section of a wire (1), which has an initial cross-section Q0, which is to be reduced to a final cross-section Q1, having a hollow channel, which shapes the wire and throug...
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WO/2010/021350 |
A drawing device (10) is provided with a drawing die (20) and a drawing plug (30). The drawing die (20) is provided with a first curved surface section (1C) from which the tubular workpiece (40) is separated while being reduced in diame...
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WO/2009/126223 |
Gear pumps and methods of using the gear pumps are provided. In general embodiments, the pumps comprise a gear housing defining a passage and having an inlet and an outlet and one or more gears contained within the gear housing. The gear...
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WO/2009/126223 |
Gear pumps and methods of using the gear pumps are provided. In general embodiments, the pumps comprise a gear housing defining a passage and having an inlet and an outlet and one or more gears contained within the gear housing. The gear...
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WO/2009/098808 |
A drawing plug which is inserted into the inner surface of a pipe material when a thick unprocessed pipe is cold-drwan and has an outer surface having a straight portion, a first tapered portion and a second tapered portion formed sequen...
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WO/2009/083295 |
A method for manufacturing a fastener comprises the following steps: a. providing a steel wire with a cross-section having an initial convex form; b. drawing this steel wire in two or more drawing steps by means of two or more single pie...
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WO/2009/081670 |
In cold drawing an original pipe of a Cr-base alloy steel containing not less than 5% by mass of Cr, when an original pipe with an oxalate film formed as a substrate for a lubricating film formed by conversion treatment is used while a c...
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WO/2009/081655 |
A production method which can form helical ribs stably by reducing trouble at the time of forming the helical ribs of an internally-ribbed steel pipe by drawing. When an internally-ribbed steel pipe having a plurality of helical ribs in ...
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WO/2009/043500 |
The invention relates to a method and device for forming a bar stock (1), wherein the bar stock (1) with a first diameter (3) is supplied first to a forming tool (2) circulating in the circumferential direction of the bar stock (1). Ther...
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WO/2009/036871 |
The invention relates to an apparatus for bending profiles (4) with axle-free mini-roll rolling bodies (30, 31, 32, 60, 61, 70, 71), wherein rollers (13, 27, 29) which form a plurality of roller stations (11, 15, 16, 17) in a roller bend...
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WO/2009/022547 |
A plug (1) has a first columnar portion (20), a tapered portion (30), and a second columnar portion (40). The first columnar portion (20) has an outside diameter D1. The second columnar portion (40) has an outside diameter D2 larger than...
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WO/2008/111215 |
A diamond dice has a bearing region touching a wire inserted via an inlet, a reduction region arranged on the inlet side continuously to the bearing region, and a sidewall defining a hole extending from the inlet to the outlet along the ...
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WO/2008/088048 |
Disclosed is a wire drawing die having excellent strength and wear resistance. The wire drawing die has, as its core, a highly hard polycrystalline diamond which is produced by converting a raw material composition comprising a non-diamo...
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WO/2008/079083 |
The present invention relates to a cemented carbide tool containing tungsten carbide, titanium carbide, niobium carbide, possibly TaC, cobalt, chromium and possibly nickel, iron, molybdenum. The composition of the materials provides a li...
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WO/2008/079082 |
There is disclosed a cemented carbide tool containing tungsten carbide, titanium carbide, nickel and cobalt, molybdenum and chromium. The composition of the materials provides a good resistance to corrosion as well as high hardness and w...
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WO/2008/014851 |
The invention relates to a method for producing metallic workpieces by means of cold or semi-hot forming, particularly by means of pressing of blanks into a mold, which comprises at least one core with a working hollow space, and at leas...
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WO/2008/013507 |
The present invention provides a sheet metal drawing die assembly (100). The die assembly (100) comprises a drawing member (130) having two or more die segments (134) and a collar (140) for binding the two or more die segments together w...
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WO/2008/010614 |
The present invention provides a novel die assembly for extruding and drawing ferrous and non-ferrous metal, and also to a method of making the same. The die assembly according to the present invention comprises a die core(3); at least o...
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WO/2007/123073 |
Provided is a pipe drawing plug (1), of which a straight portion (11) and a tapered portion (12) are connected by a curved portion (13). The curved portion (13) is characterized, in a section containing the center axis of the plug (1), i...
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WO/2007/104791 |
A container (4) for wire-drawing means in dry wire-drawing machines is proposed, through which container (4) the wire which is to be drawn and is guided through a inlet hole (5) and an outlet hole (7) in the container walls can be drawn ...
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WO/2007/096040 |
In order to provide a drawing method for shaping workpieces of metallic materials, the workpiece (3) being drawn through a die aperture (2) narrowing in the drawing direction (4), and thereby reduced in cross section and increased in len...
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WO/2007/097321 |
A tube having grooves formed in its inner surface. The grooves are formed in a reverse trapezoidal cross section, and the corners at the root of each groove have a circular arc shape and the ratio (R/δ) of the radius R (mm) of each corn...
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WO/2007/041589 |
Molding equipment (10) and related processes for manufacturing golf balls (1010) are disclosed. Mold dies (10) particularly adapted for reaction injection molding, and particularly using low viscosity reactants and high temperatures are ...
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WO/2007/028410 |
A forming tool (20) characterised in that it comprises a substrate (21) and a metallic glass layer (23) on at least the working surface (22) of the forming tool (20) whereas the forming tool is one of: a) a forming tool of an extrusion...
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WO/2006/128476 |
The invention relates to a device for forming tubular electroconductive and/or magnetisable goods (1), especially for drawing or extrusion. The invention is characterised in that the device comprises at least one inductor (9) of an elect...
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WO/2006/022717 |
The subject invention relates to a new method for manufacturing extrusion die tools that eliminates the step of hardening the steel after cutting the steel to form the desired extrusion die tool design. The new method involves the steps ...
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WO/2005/102554 |
The inventive machine for shrinking an exhaust volume comprises a depolluting member disposed in a cylindrical envelop provided with an annular die (32) having an internal passage (36) whose gradually decreasing cross section is delimite...
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WO/2005/077562 |
Disclosed herein is a method and apparatus for forming a tapered steel pipe, which has a constant inclination in a longitudinal direction thereof and is usable as a post of a street light or electric pole, by simply pulling an existing c...
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WO/2005/058519 |
The present invention relates to a die comprising a die core (10) of a hard material and at least two pre-stressed rings (60, 70) of increasing diameter placed around the die core and methods of making and using the same. The die core (1...
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WO/2005/021176 |
The present invention relates to an arrangement, draw plate and roll for the cold working of wire. The arrangement comprises a typical draw plate housing in which two roll shafts are mounted. The roll shafts have an appropriate profiled ...
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WO/2004/112978 |
Apparatus for reducing the diameter, rounding or straightening of pipe or tubing by rolling comprising a plurality of closely and equallyspaced, long, narrow, parallel-cylindrical rollers arranged in a parallelcylindrical array throu...
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WO/2004/043621 |
The invention relates to a device for producing semifinished wire, especially semifinished wire which has a hexagonal cross section and is used for embodying high-temperature superconductors. Said device comprises a drawing die (2) that ...
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WO/2004/033121 |
The following invention refers to an equipment for cold-drawing a metal wire. The equipment comprises a succession of a sleeve (5) with a cylindrical hole (8) and a threading die (11) with a conical hole (14). The sleeve (5) is inserted ...
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