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