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 1 - Manufacture of metal sheets, wire, rods,tubesor like semi-manufactured productsby drawing
Patents for B21C 1 - Manufacture of metal sheets, wire, rods,tubesor like semi-manufactured productsby drawing (5,150)
11/1997
11/13/1997DE19703878A1 Drawing appliance for long tubes e.t.c.
11/12/1997CN2267107Y Equipment for continuously drawing metallic tube
11/06/1997DE19614433A1 Device for applying drawing oil when drawing pipes
11/05/1997CN2266470Y Screw cold-drawing machine
10/1997
10/29/1997CN2265863Y Accumulated wire connecting rod type continuous wire drawing machine
10/22/1997CN2265256Y Device for working inner spiral line of pipe material
10/21/1997US5679470 Shaping coldworked, annealed and age hardened filament strands comprised of radiopaque core encased within hollow tube
10/21/1997US5678443 Takeup drum for wire drawing machine
10/14/1997US5676011 Precious metal wire drawing apparatus
10/08/1997EP0799655A1 Method of Manufacturing wire for use in a wire saw and wire for use in a wire saw
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
09/16/1997US5667661 Wire plating
09/16/1997US5667604 Process for the manufacture of a scraper or brush wire
09/11/1997DE19610642A1 Method and equipment for cold drawing seamless tubes
09/10/1997EP0794024A2 Improved process and apparatus for making in-situ-formed multifilamentary composites
09/04/1997DE19612002C1 Method of drawing elongated metal tubes, particularly copper tubes
08/1997
08/27/1997EP0790869A1 Method and device for forming and/or coating wire-shaped metal material
08/27/1997CN2260672Y Automatic speed-regulating device for drawing machine
08/26/1997US5660071 Automatic drawing device
08/14/1997DE19606298A1 Procedure for drawing of long metal workpieces, especially pipes
07/1997
07/30/1997EP0785831A1 Method of producing a metal hollow body, hollow bodies produced according to this method and device for carrying out this method
07/24/1997WO1997026379A1 Ready-to-use metal wire and method for producing same
07/24/1997CA2243324A1 Ready-to-use metal wire and method for producing same
07/23/1997CN1154881A Complete equipment for fully-continuously milling reiforcing bar
07/09/1997CN2257504Y Filament winding device of high-speed bull block
07/03/1997WO1997023311A1 Steel wire for reinforcement of rubber articles, method of manufacturing the same, and steel cord using the same
06/1997
06/25/1997EP0780171A1 Method for drawing pipes by drawing while monitoring the vibration of the drawing system
06/25/1997CN2256779Y Automatic self-aligning clamping jaw for steel pipe cold-draw equipment
06/17/1997US5639714 Heat treatment at low and high temperture
06/04/1997CN2255600Y Electric-furnace-tube special for tungsten-molybdenum bull block
06/03/1997US5634365 Process allowing background noise to be reduced during eddy-current testing of metal tubes, and tubes produced using this process
05/1997
05/28/1997EP0775027A1 Method of manufacturing a hollow spindle
05/21/1997EP0774306A1 Method and device for the straight-drawing of material in several steps
05/21/1997EP0773751A1 Clad composite stent
05/20/1997US5630840 Clad composite stent
05/14/1997CN1149513A Working method and device for external spiral tendon metal tube
05/13/1997US5628787 Body compatible device
05/13/1997US5628219 Drawing process control method
05/13/1997US5628218 Flaw treatment method and apparatus for a wire-shaped metal
04/1997
04/24/1997DE19547518C1 Controlling a tube drawing process using flying mandrel
04/22/1997US5622074 Split sidewinder draw machine assembly
04/16/1997CN1147429A Spiral square steel cold-drawing forming method and mechanism
03/1997
03/13/1997DE19533410A1 Corrosion protective lining for copper@ pipe during drawing
03/12/1997EP0760720A1 Process for producing sturdy, wear-resistant rotating wire, rope and/or cable running surfaces, especially surfaces of wire drawing drums of wire drawing machines or similar conveyor rollers or drums
02/1997
02/20/1997WO1997005972A1 Drawing process and machine
02/20/1997CA2227632A1 Drawing process and machine
02/18/1997US5603245 Method for a translatory motion of components
02/05/1997CN1033991C Method for mfg. composite oxides ceramics type super-conductive wire
01/1997
01/29/1997CN1141349A Process for mfr. of scraper or brush wire
01/15/1997CN1140107A Microstress high-strength cold-drawn steel section and mfg. method thereof
01/08/1997EP0752287A1 Takeup drum for wire drawing machine
01/02/1997DE19620911A1 Photo sensitive drum construction for photocopier
12/1996
12/17/1996US5584109 Method of making a battery plate
12/04/1996CN2241594Y Anchor chain hydraulic pulling device
11/1996
11/20/1996EP0743110A1 Method and device for the forming of cold impact-resistant metallic materials
11/19/1996US5575866 Hot rolled steel wire rod, fine steel wire and twisted steel wire
11/06/1996CN2239306Y Taper seamless tube drawing appts.
10/1996
10/31/1996DE19519395C1 Rod material drawing machine, and method
10/16/1996EP0737525A1 Device for coiling and uncoiling of metal wires
10/16/1996CN2237499Y Hydraulic press for head of metal pipe
10/09/1996CN2236907Y Cold rolling straightening machine
10/03/1996WO1996030136A1 Automatic drawing device
10/02/1996EP0734798A1 Wire drawing machine with dry lubrication
10/02/1996EP0734796A1 Method for the production of a scraper or brush wire
09/1996
09/29/1996CA2172782A1 Wire-drawing machine for dry-lubricated metal wire
09/25/1996CN1131922A Improved battery plate and method of making
09/25/1996CN1032870C Improvement in method for prepn. of high-strength fine wire of high-carbon steel
09/18/1996CN2235331Y Inner screwed drawing and rolling machine for mfg. coiled pipe
09/17/1996US5555970 Device for the quick change of tracks
09/12/1996WO1996027458A1 Profile forming
09/11/1996CN2234831Y Metal tube material moving mould end-reducing machine
09/11/1996CN1130551A Cold drawing technique for forming reducing stainless steel elbow and teapot mouth made thereby
08/1996
08/14/1996EP0725699A1 Improved battery plate and method of making
08/06/1996US5542991 Rail for a linear motion guide bearing
08/01/1996WO1996022845A1 Method of producing a metal hollow body, hollow bodies produced according to this method and device for carrying out this method
07/1996
07/31/1996CN2231949Y Quadrilateral spiral section cold drawing die set
07/31/1996CN1127682A Full-automatic steel bar mfg. machine
07/30/1996US5540372 Cam activated hydraulic drive with hydro-pneumatic accumulator
07/23/1996US5537849 Continuous dry drawing method and apparatus therefor
07/16/1996US5535612 Method and apparatus for drawing wire through a plurality of standard dies at the die positions
07/10/1996CN2230631Y Hydraulic drawing speed controller for hydraulic pipe cold drawing machine
07/09/1996US5533376 Method for preparing a tubular blank having a thick wall for a following cascade drawing operation
06/1996
06/26/1996CN1125258A Method for adjusting tensile strength of a tin plated wire
06/18/1996CA1338396C Process for manufacturing a superconducting wire of compound oxide-type ceramics
06/11/1996US5524467 Method for the inner profiling of tubes or pipes
06/05/1996CN2228384Y Continuous circular bull block
05/1996
05/23/1996WO1996014946A1 Method and device for forming and/or coating wire-shaped metal material
05/23/1996DE19511057C1 Mfr. of scraping or brushing wire
05/23/1996CA2204617A1 Method and device for forming and/or coating wire-shaped metal material
05/15/1996EP0711630A1 Flat steel wire for side rails of oil ring in internal combustion engine and manufacturing method
05/15/1996CN2226987Y Tube drawing apparatus
04/1996
04/30/1996US5511440 Method of manufacturing a hollow steering shaft and hollow steering shaft
04/17/1996CN1120475A Technique for continuously drawing pipe using long rod rolling mould
04/10/1996CN2224043Y Moly-B-wire drawing device
04/09/1996US5505067 For a cumulative wire-drawing machine
03/1996
03/20/1996CN1118811A Differencial shaped rod steel with high adhesion and high strength
03/19/1996US5499774 Wire pull-in apparatus
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