| Patents for B21D 41 - Application of procedures in order to alter the diameter of tube ends (2,982) |
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| 01/18/2005 | US6843096 Process and device for producing press fittings from steel, in particular special steel |
| 01/13/2005 | DE202004017822U1 Tube holding device for flange pressing has two clamping jaws with a groove for the tube and a tensioning and removable pressure unit |
| 01/12/2005 | EP1494827A1 Device for the plastic deformation of work pieces |
| 01/05/2005 | EP1493509A1 Spin closing apparatus and method |
| 01/05/2005 | DE10325979A1 Spreizwerkzeug Spreader |
| 12/29/2004 | EP1490579A2 Apparatus and method to expand casing |
| 12/22/2004 | EP1488870A1 Method and apparatus for sealing a pipe that conveys gases or liquids |
| 12/21/2004 | US6832502 Apparatus for swaging an object |
| 12/16/2004 | WO2004109004A1 Drum for washer and dryer |
| 12/16/2004 | WO2004026502A9 Process of end-forming a tube having internal surface features |
| 12/16/2004 | US20040253340 Expansion tool device for socket pliers |
| 12/15/2004 | EP1486268A1 Method for the production of tubular structures with a gradually changing inner diameter |
| 12/15/2004 | EP1121998B1 Method and device for expanding tube material |
| 12/09/2004 | US20040244168 Method and apparatus of manufacturing drum |
| 12/08/2004 | EP1484440A1 Method and apparatus of manufacturing drum |
| 12/08/2004 | EP1141517B1 Drilling method |
| 12/07/2004 | US6826943 Process for forming tube-shaped hollow bodies made of metal |
| 12/02/2004 | US20040237305 Method for producing a fluid treatment device having a honeycomb member |
| 12/01/2004 | EP1482140A1 Method for producing a fluid treatment device having a honeycomb member |
| 11/30/2004 | US6823704 Apparatus and method of forming cylindrical work piece |
| 11/25/2004 | US20040231395 Method for expanding a tubular blank |
| 11/25/2004 | US20040231392 Multipurpose horizontal press having a fixed workpiece-holder for a tubular workpiece to be drawn or tapered |
| 11/18/2004 | US20040226723 Procedures and equipment for profiling and jointing of pipes |
| 11/17/2004 | EP1315592B1 Hollow member, manufacturing method therof, fluid distribution system using the hollow member, and forming apparatus of hollow member |
| 11/17/2004 | CN2656044Y High pressure seamless large calibre steel cylinder spinning close up machine |
| 11/11/2004 | US20040222270 Method for manufacturing fuel inlet |
| 11/10/2004 | CN1545436A Multipurpose horizontal press having a fixed workpiece-holder for a tubular workpiece to be drawn or tapered |
| 11/04/2004 | US20040216925 Method and apparatus for drilling and lining a wellbore |
| 11/04/2004 | US20040216878 Method and apparatus for drilling and lining a wellbore |
| 11/02/2004 | US6810573 Method for manufacturing fuel inlet |
| 10/27/2004 | EP1470374A1 Method and tool for mounting a capillary line in a plate-type evaporator, and a plate-type evaporator which is produced by means of the same |
| 10/27/2004 | EP1469957A1 Method and forming machine for manufacturing a product having various diameters |
| 10/21/2004 | WO2003036012A9 Apparatus and method to expand casing |
| 10/21/2004 | WO2003036012A3 Apparatus and method to expand casing |
| 10/21/2004 | DE20308966U1 Electrohydraulic shaping device for metals and plastics e.g. for heating and sanitation engineering, has hydraulic circuit arranged parallel to hysteresis valve and provided with solenoid valve connected into power circuit |
| 10/20/2004 | CN1171691C T-shaped member extruding and connecting process and special pressing and forming cutter |
| 10/13/2004 | EP1466678A2 Modular multipurpose bending machine and its linear positioning system |
| 10/06/2004 | EP1463592A1 Closure for a gas supply system |
| 10/06/2004 | EP1360021B1 Method and apparatus for necking the open end of a container |
| 09/29/2004 | EP1461171A1 Expanding method and device and resulting expanded elastic articulation |
| 09/23/2004 | WO2004080627A1 Bending machine, especially for welding and clamping benches, and corresponding welding and clamping bench |
| 09/23/2004 | US20040181926 Making closed end tubes for surgical instruments |
| 09/23/2004 | DE10311392A1 Bending machine, especially for a welding and clamping table with a thrust bar guiding a punch useful in the measurement of devices to be welded |
| 09/02/2004 | DE10306533A1 End face deforming method for hollow bodies e.g. pipes, involves moving forming tool about tool axis to deform edge section of workpiece, with workpiece held such that edge section is positioned along tool axis |
| 09/01/2004 | CN2637027Y Extrusion equipment for making pipe end changing size |
| 09/01/2004 | CN1524640A Stainless steel shrinkage pipe , method and equipment for producing the same |
| 08/18/2004 | EP1447152A1 Device for forming in ogive like form, for spinning or fluopiercing of pieces of a round or ovoid section |
| 08/12/2004 | US20040155092 Hollow product, method and apparatus for manufacturing the hollow product, and fluid transporting system using the hollow product |
| 08/05/2004 | US20040149454 Downhole sealing |
| 08/05/2004 | US20040148755 Method for manufacturing fuel inlet |
| 08/04/2004 | EP1441867A1 Multipurpose horizontal press having a fixed workpiece-holder for a tubular workpiece to be drawn or tapered |
| 07/29/2004 | US20040144152 Multi-stage tube forging method for disproportionally enlarging an end section of an aluminum alloy tube of a bicycle frame part |
| 07/28/2004 | CN2628178Y Electromagnetic heating composite pipe drawbench |
| 07/27/2004 | US6766675 Spindle mechanism |
| 07/22/2004 | US20040139777 Tube compressing roller die |
| 07/15/2004 | DE10260057A1 Formwerkzeug und Verfahren zur Herstellung eines umgeformten Endes eines Rohres Mold and process for the preparation of a reshaped end of one tube |
| 07/15/2004 | DE10258492A1 Tubular workpiece manufacturing process, e.g. for shock absorber piston rod, involves using tool on transition region to produced at least two working segments |
| 07/08/2004 | US20040128818 Hand held stent crimping apparatus and method |
| 06/30/2004 | CN1509219A Hollow product, Method and device for making same, fluid transporting system using the same |
| 06/24/2004 | WO2004019768A3 Hand held stent crimping apparatus and method |
| 06/23/2004 | EP1430969A1 Vibration isolating bush; and method of producing the same |
| 06/23/2004 | EP1430968A1 Forming tool and method to produce a deformed end of a tube |
| 06/22/2004 | US6751996 Dynamic punch |
| 06/17/2004 | US20040112113 Process of end-forming a tube having internal surface features |
| 06/10/2004 | US20040107754 Expansion tool for expanding tube ends and pressing device comprising such an expansion tool |
| 06/09/2004 | CN2619738Y Multi-stage unpowered rolling wheel pipe reducing machine |
| 06/03/2004 | WO2004012879A3 Tube crimping/bending apparatus |
| 06/03/2004 | DE10033060B4 Verfahren zur Herstellung eines Zylinders mit einem endseitig geschlossenen Boden A process for producing a cylinder with a closed bottom end |
| 06/02/2004 | CN1500575A Necking-down process for aluminium alloy air bottle |
| 06/01/2004 | US6742606 Method and apparatus for drilling and lining a wellbore |
| 06/01/2004 | US6742236 Making closed end tubes for surgical instruments |
| 05/20/2004 | US20040098128 Method for the manufacture of a tubular spacer and spacer |
| 05/06/2004 | US20040083785 Tool for flanging coated brake pipes |
| 05/06/2004 | US20040083595 Method of manufacturing a hollow shaft having a flange at one end thereof |
| 05/06/2004 | DE10247549B3 Expansionswerkzeug für Hohlkörper mit einem elektrohydraulischen Antrieb Expansion tool for hollow body with an electro-hydraulic drive |
| 05/05/2004 | CN2614094Y Metal tube diameter shrinking device |
| 05/04/2004 | US6729354 Double-pipe-structure hollow member, method of manufacturing double-pipe-structure hollow member, and fluid treating system employing double-pipe-structure hollow member |
| 05/04/2004 | US6729170 Method for fabricating fuser roller |
| 04/29/2004 | US20040079528 Tubing anchor |
| 04/28/2004 | EP1412107A1 Expansion tool device for socket pliers |
| 04/27/2004 | US6725698 Method for forming tube end |
| 04/21/2004 | EP1409177A1 Making closed end tubes for surgical instruments |
| 04/14/2004 | EP1407838A2 Expanding tool for hollow bodies with an electrohydraulic drive |
| 04/14/2004 | CN1489498A Method and apparatus for necking open end of container |
| 04/07/2004 | EP1017515B1 Spinning processing method and apparatus therefor |
| 04/01/2004 | WO2004026502A1 Process of end-forming a tube having internal surface features |
| 04/01/2004 | DE10342396A1 Braddle tool for drilling holes in metal pipes esp. brake pipes in cars has a main body with a (cylindrical head and (inner thread and semi-cylindrical recess and insertion groove for pipe to be drilled also clamping screws |
| 03/31/2004 | EP1401596A1 Method for expanding a tubular blank |
| 03/31/2004 | EP1222041A4 Method of crushing a tube |
| 03/25/2004 | WO2004024365A1 Pipe flaring tool |
| 03/25/2004 | US20040055759 Apparatus and method to expand casing |
| 03/23/2004 | US6708548 Device for forming an end area of a workpiece |
| 03/18/2004 | US20040050130 Method and forming machine for deforming a hollow workpiece |
| 03/18/2004 | US20040050129 Device for socket-deforming a tube end and for adjusting its length |
| 03/11/2004 | WO2004019768A2 Hand held stent crimping apparatus and method |
| 03/11/2004 | US20040045778 Outer shell unit and method of manufacturing the unit |
| 03/11/2004 | US20040045151 Method of manufacturing piping having joining portion |
| 03/11/2004 | DE20319565U1 Rohrendenbearbeitungsvorrichtung Beveling device |
| 03/09/2004 | US6702030 Procedures and equipment for profiling and jointing of pipes |
| 03/09/2004 | US6702029 Tubing anchor |