Patents for B21C 1 - Manufacture of metal sheets, wire, rods,tubesor like semi-manufactured productsby drawing (5,150) |
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02/22/1996 | WO1996005004A1 Method of manufacturing a hollow spindle |
02/21/1996 | EP0696940A1 Wire plating |
02/15/1996 | DE4428875A1 Hohle Achse Hollow axle |
02/06/1996 | US5489056 Endless chain conveying device with spring biased wedge tensioner |
02/06/1996 | US5488851 Multistage wiredrawing machine provided with pull adjustment |
01/17/1996 | CN2217476Y Embossing concrete-bar drawing-rolling device |
12/28/1995 | WO1995035177A1 Improved battery plate and method of making |
12/28/1995 | WO1995035173A1 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 |
12/28/1995 | CA2169954A1 Improved battery plate and method of making |
12/27/1995 | CN2215957Y Push-making machine for expanding tube |
12/06/1995 | CN1112861A Spinning disk pressing and drawing machine for mfg. internal screw tube |
11/29/1995 | CN2213585Y Dead-beat grooved pulley bull block |
11/23/1995 | WO1995031298A1 A process for the manufacture of metal tubes |
11/22/1995 | CN1112036A Technique and special apparatus for working superlong inside ribbed pipe |
11/21/1995 | US5467631 Method for manufacturing a plug-type chamber used in the cascade drawing of tubes, and device for implementing the method |
11/02/1995 | EP0679452A1 Method for driving a multiple non-slip wire drawing machine |
11/01/1995 | CN1110935A Bundle pulling technique for prodn. of micrometer nickel fibre |
10/26/1995 | WO1995028239A1 Bright-annealed highly smooth inner surface stainless steel pipe and method of manufacturing the same |
09/28/1995 | DE4410113A1 Method and appts. for producing grooved trolley wire |
09/27/1995 | EP0673689A1 Drawing machine |
09/21/1995 | DE4409666A1 Tube mfr. using mandrel in push bench plant |
09/20/1995 | EP0397876B1 Method and device for making profiled pipes used for well construction |
08/30/1995 | CN2206163Y Inverted drawing machine |
08/23/1995 | EP0668523A1 A plated nickel-titanium alloy product and a process for producing the same |
08/23/1995 | CN2205749Y Water tank type automatic turning continuous drawing machine |
08/09/1995 | CN2204662Y Automatic program controlling high-speed precisive pipe drawing apparatus |
07/26/1995 | EP0664440A1 A method for manufacturing a vibrator |
07/26/1995 | EP0664166A1 Continuous dry drawing method and apparatus therefor |
07/19/1995 | EP0663248A1 Method of making a camshaft |
07/13/1995 | CA2138231A1 Method of making a camshaft |
07/12/1995 | CN1104941A Producing method for prestressed wire rod and producing equipment |
06/14/1995 | CN2200491Y Metal section cooling finish draft device |
06/14/1995 | CN1103612A Drawing-continuous casting-stretch process for producing oxygen-free copper pipe |
06/13/1995 | US5424282 Compacting material powder of mixture of precursors or sintered compound oxide in outer pipe of noble metal, heating to sinter, cooling, wire-drawing, annealing, sintering, repeating |
05/10/1995 | EP0651681A1 Method of casting amorphous and microcrystalline microwires |
04/25/1995 | US5409890 Filling metal pipe with sinterable powder of oxide super-conductor, hot plastic deforming |
04/19/1995 | EP0648553A1 Device for the quick change of tracks |
04/19/1995 | CN2194772Y Multi-die continuous wire drawing machine |
04/19/1995 | CN2194771Y Looping drawing machine |
04/06/1995 | DE4332140A1 Method and apparatus for coiling and further treatment of tubes made of nonferrous metals, especially copper and copper alloys |
04/05/1995 | EP0646425A1 Multistage wiredrawing machine provided with pull adjustment |
03/29/1995 | EP0645200A1 Machine to draw bars |
03/29/1995 | CN2193210Y Wire drawing machine and its feeding disk |
03/15/1995 | CN2191718Y Energy-saving drawing machine |
03/01/1995 | EP0640414A1 Method of manufacturing a hollow steering shaft and hollow steering shaft |
03/01/1995 | CN1099320A Steel wire for automatic coiling and production process thereof |
02/15/1995 | EP0504219B1 Steel wire for reinforcing the embedding material, especially concrete, and process for making it |
02/08/1995 | EP0637746A1 Method for the reduction of noise during the Eddy-current testing of tubes and tubes produced with that procedure |
02/03/1995 | CA2112655A1 Process for reducing the background noise during the quality control of metal tabes by means of eddy currents and tubes obtained using this process |
02/01/1995 | EP0636432A1 Method for the production of helically or annularly corrugated tubes |
01/18/1995 | EP0634232A1 Method of profiling the inside of tubes and device for carrying out this process |
01/16/1995 | CA2128166A1 Process for producing corrugated tube and product produced thereby |
01/11/1995 | CN2187080Y Pipe-expanding mandrel |
12/22/1994 | WO1994029046A1 Process and device for modifying the cross-section of elongate goods |
12/08/1994 | DE4318726A1 Method and apparatus for modifying the cross-section of elongate stock |
12/08/1994 | DE4318656A1 Apparatus and method for reducing the cross-section of elongate stock |
12/07/1994 | CN1095970A Process for cold-drawing spline shaft |
12/07/1994 | CN1095969A Method for manufacture of high-strength copper-clad steel wire by single wire drawing |
11/30/1994 | EP0626220A1 Drawing block for a wire drawing machine and process for its manufacture |
11/30/1994 | CN2183834Y Hydraulic program-controlling auto pipe-extractor |
11/24/1994 | WO1994026435A1 Wire plating |
11/23/1994 | CN1026679C Apparatus for drawing and/or guiding long material |
11/22/1994 | US5366569 Method for producing a corrosion-resistant composite wire |
11/15/1994 | CA2013068C Method of manufacturing long tubes having small diameters |
11/02/1994 | CN1094473A Drawing method for metal conic tube of integrated road lamp pole |
11/01/1994 | US5360784 Method for manufacturing an oxide superconducting tape |
10/26/1994 | CN2180353Y Water box drawing machine |
10/26/1994 | CN2180352Y Active sleeve drawing machine |
10/26/1994 | CN1093958A Manufacturing method for thermocouple case |
10/25/1994 | US5357776 Method of forming bushing rings |
10/11/1994 | US5354963 Process and a device for continuous surface treatment of rod-shaped, longitudinally extended materials with metal surfaces using a magnetically displaced plasma arc |
09/21/1994 | EP0615794A1 Method to produce a plug chamber for cascade drawing of tubes and device for carrying out the method |
09/13/1994 | US5346112 Capstan draw apparatus for periodically gripping and drawing an elongated member |
08/23/1994 | US5339513 Method of manufacturing thick-walled small diameter pipe |
08/18/1994 | DE4304636A1 Method for drawing metal tubes |
08/16/1994 | US5338721 Process for manufacturing a superconducting composite |
08/16/1994 | US5337476 Method of making a camshaft |
08/10/1994 | EP0609748A1 Motion drive for translational movement of components |
08/04/1994 | WO1994016646A1 Clad composite stent |
08/03/1994 | EP0608466A1 Steel wire for automatic coiling and production process thereof |
07/20/1994 | CN1089567A Apparatus for supplying of long works |
07/20/1994 | CN1025482C Cold-drawing process of gear blank bar with tooth outline and the mould for the process |
07/13/1994 | EP0605539A1 Rotary carding cylinder with internal cooling system |
07/05/1994 | US5326010 Traction unit for a drawing machine |
06/22/1994 | CN1088139A Method and apparatus for controlling metal strip |
06/08/1994 | EP0600320A1 Pulling device for elongate material |
06/08/1994 | CN1087561A Production method of spiral pipe with red copper inner wall and its mould |
05/31/1994 | US5315904 Apparatus for cutting inner circumferential surface of thick walled small diameter pipe |
05/25/1994 | EP0598371A1 Hot rolled steel wire rod, fine steel wire and twisted steel wire, and manufacture of the fine steel wire |
05/18/1994 | EP0597521A1 "Drive unit for traction carriages, in particular for drawbenches" |
05/17/1994 | US5312495 Process for producing high strength alloy wire |
05/11/1994 | EP0596577A1 Installation for making products of wire-shaped material |
05/11/1994 | DE4238760A1 Gear relaxation on stoppage - using counter control on reverse motion through belt drives to block relaxation or allow only controlled drift |
04/27/1994 | CN1085835A Spiral type thread wire drawing machine |
04/26/1994 | US5306363 Foil thickness/wire diameter reduced by rolling or drawing at elevated temperature over short time period |
04/13/1994 | CN2161391Y Horizontal spinning cold-drawn machine |
04/06/1994 | CN1084794A Micro shape composite filament of noble metal and alloy making method and device |
04/05/1994 | US5301119 Die draft optimizing system |
03/30/1994 | CN2159836Y Drawing machine for seamless steel tube |
01/25/1994 | CA1326349C Process for producing an elongated sintered article |