Patents
Sitemap › B21 - Mechanical metal-working without essentially removing material; Punching metal › B21C - Manufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling; Auxiliary operations used in connection with metal-working without essentially removing material › B21C 3 - Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing
Patents for B21C 3 - Profiling tools for metal drawing; Combinations of dies and mandrels for metal drawing (1,992)
12/1999
12/28/1999US6007916 For drawing copper wire for winding, steel cord, stainless steel wire, welding wire
12/23/1999DE19927510A1 Mandrel for use in adjusting the interior diameter of metal tubing passed along the mandrel
12/16/1999DE19917563A1 Metal wire drawing die
12/07/1999US5996393 Extrusion die for tungsten alloys
12/01/1999CN2351223Y Direct-cooling dismountable wire drawing die cover
11/1999
11/18/1999DE19821262A1 Polishing machine incorporating wire carrier for flatters
11/17/1999EP0626059B1 Intermetallic alloys for use in the processing of steel or glass
11/16/1999US5983675 Method of preparing intermetallic alloys
10/1999
10/28/1999WO1999054066A1 Method and device for coating and shaping strand-shaped metallic material by drawing
10/28/1999WO1999054065A1 Floating plug for drawing of tubes
10/28/1999DE19817088A1 Coating and forming a continuous product by drawing
10/28/1999CA2327711A1 Method and device for coating and shaping strand-shaped metallic material by drawing
10/27/1999CN2345299Y Reinforced die cover for wire drawing die
10/27/1999CN1045946C Ceramic drawing die with precision structure and its production process
10/20/1999EP0950724A1 Method for producing uniform cylindrical tubes of CVD diamond
09/1999
09/29/1999CN2340531Y Rotary mould
09/28/1999US5957005 Wire drawing die with non-cylindrical interface configuration for reducing stresses
09/15/1999CN2338109Y Die special for cold drawing of spiral steel bars of construction use
09/07/1999US5948523 Tool for coldforming operations
08/1999
08/25/1999EP0937519A2 Multiple slip type wet-drawing process
08/24/1999CA2129523C Intermetallic alloys for use in the processing of steel
08/19/1999DE19804700A1 Formwerkzeug Mold
08/12/1999WO1999039848A1 Forming tool
08/12/1999DE19810342A1 Verfahren und Vorrichtung zur hydrodynamischen Ziehumformung von Schichtverbunddraht mittels schmiermittelbeaufschlagten Mehrfach-Ziehanlagen Method and apparatus for hydrodynamic drawing deformation of laminated composite wire by schmiermittelbeaufschlagten multiple drawing plants
08/11/1999CN1225689A Tool for coldforming operations
08/05/1999WO1999038625A1 Method and device for the deformation by hydrodynamic drawing of multi-layer composite wire by means of lubricant-supplied multiple drawing machines
08/05/1999CA2318831A1 Method and device for the deformation by hydrodynamic drawing of multi-layer composite wire by means of lubricant-supplied multiple drawing machines
07/1999
07/13/1999US5921126 Contact surfaces
06/1999
06/29/1999US5916323 Pressure wire drawing tool with detachable pressure and drawing dies
05/1999
05/25/1999US5906128 Used for metal pieces for reinforcement purposes or metallic wire
05/12/1999EP0914487A1 Tool for coldforming operations
04/1999
04/28/1999CN2316054Y Combination die for drawing pipe by using coreless rod
04/27/1999USRE36194 Machine for forming spiral grooves in metal pipe inner surface
04/21/1999EP0909595A2 Wire drawing die with non-cylindrical interface configuration for reducing stresses
04/21/1999CN2314872Y Forming and drawing wire die spring for steel wire
04/21/1999CN2314871Y Rolling die device for drawing metal shape
04/21/1999CN1043057C Method for adjusting tensile strength of tin plated wire
04/14/1999EP0908249A2 Pressure wire drawing tool with detachable pressure and drawing dies
04/01/1999WO1999015294A1 Method of liquid phase bonding
03/1999
03/31/1999CN1042748C Deformed rod steel with high adhesion and high strength
03/30/1999US5888321 Increases fatigue resistance, corrosion resistance, stiffness, bending fatigue resistance, lightweight radial tire, durable
03/24/1999CN1211635A Diamond-coated wire-drawing die
03/16/1999US5881592 Floating plug for drawing of tubes
03/10/1999CN1042403C Micro shape composite filament of noble metal and alloy making method and device
02/1999
02/17/1999CN2307644Y Assembling and disassembling direct cooling wire drawing die case
02/16/1999US5870922 Process and system of calculation for construction of dies for extrusion of solid aluminum profiles
01/1999
01/13/1999CN2303692Y Two-directional composite core-head for drawing metal and alloy tube
11/1998
11/11/1998CN2296778Y Structure for die holder of metal drawing machine
10/1998
10/20/1998US5824166 Intermetallic alloys for use in the processing of steel
09/1998
09/30/1998CN1194183A Metal wire finishing tool
09/02/1998CN1039629C Warm rolling method for threaded reinforcing bar
08/1998
08/26/1998EP0679112B1 Wire drawing die assembly
07/1998
07/21/1998US5782123 Working tool for pipe wall
07/14/1998CA2115858C Method for manufacturing a plug-type chamber used in the cascade drawing of tubes, and device for implementing the method
06/1998
06/02/1998US5759667 Diamond wire drawing die and process for manufacturing same
04/1998
04/14/1998US5737959 Method of plastic forming of materials
03/1998
03/24/1998US5730640 Wire reinforcement for women's clothing
03/10/1998US5724844 Inner grooved tube forming apparatus
03/05/1998DE19732014A1 Mould with hard layer coating
02/1998
02/26/1998DE19634307A1 Two-function tool for preparing tube ends for draw-bench
02/25/1998EP0824982A1 Drawing assembly for bending machines
01/1998
01/29/1998WO1998003689A1 Tool for coldforming operations
01/21/1998EP0739171B1 Wire reinforcement for women's clothing
01/20/1998US5709021 Process for the manufacture of metal tubes
12/1997
12/31/1997CN1036840C Wall punched pull ring
11/1997
11/11/1997US5685188 Universal mill stand for forming tubes
11/06/1997DE19614433A1 Device for applying drawing oil when drawing pipes
10/1997
10/08/1997CN1161256A Equipment for producing steel bar with concave screw
09/1997
09/30/1997US5671632 Method for manufacturing a vibrator
09/30/1997US5671627 Wire-drawing machine for dry-lubricated metal wire
09/24/1997EP0796676A2 Plugs for tube drawing machines
09/17/1997EP0795363A2 Working tool for pipe wall
08/1997
08/26/1997US5660075 Wire drawing die having improved physical properties
08/13/1997EP0788851A2 Method and device for inspecting a drawing die
07/1997
07/15/1997US5648139 Wire drawing dies of polycrystalline CVD diamond with boron dopant atoms
06/1997
06/10/1997US5636545 Composite diamond wire die
06/03/1997US5634370 Composite diamond wire die
06/03/1997US5634369 For drawing wire of a predetermined diameter
05/1997
05/13/1997US5628218 Flaw treatment method and apparatus for a wire-shaped metal
03/1997
03/05/1997CN2248600Y Straight-line type metal drawing dies for making metal products
02/1997
02/12/1997CN2247065Y Internal cooling type wire-drawing die
01/1997
01/22/1997CN1140980A Wire reinforcement for women's clothing
01/08/1997EP0752288A1 Composite diamond wire die
01/08/1997CN2244437Y Reducing die device for precise thin wire
12/1996
12/24/1996US5586709 Device to compensate the elongation of at least two wire rods or round bars, which is associated with a drawing assembly
12/24/1996US5586462 Device and method for forming bent pipe of non-annular cross-section
11/1996
11/19/1996US5575866 Hot rolled steel wire rod, fine steel wire and twisted steel wire
11/13/1996CN1135385A Swage processing method and swager for use in high-speed production
11/06/1996CN2239307Y Multifunctional passive self-rotating wiredrawing die
11/05/1996US5571236 Diamond wire drawing die
10/1996
10/30/1996EP0739171A1 Wire reinforcement for women's clothing
10/10/1996DE19513114A1 Roughing die core for drawing wires, rods and tubes
10/09/1996CN1032958C Metal drawing die device
10/02/1996EP0734798A1 Wire drawing machine with dry lubrication
10/02/1996EP0734797A2 Wire drawing die
10/01/1996US5560241 Synthetic single crystal diamond for wire drawing dies
09/1996
09/29/1996CA2172782A1 Wire-drawing machine for dry-lubricated metal wire
09/12/1996WO1996027458A1 Profile forming
09/03/1996US5551277 Annular diamond bodies
08/1996
08/28/1996CN1129618A Swinging die seat for cold drawing machine
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