| Patents for B23D 21 - Machines or devices for shearing or cutting tubes (3,019) |
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| 03/30/2005 | CN2688424Y Multifuntional penetrated pipe cutter |
| 03/23/2005 | CN2686773Y Tube cutting knife |
| 03/16/2005 | CN1192841C Pipe cutter |
| 03/09/2005 | CN2683292Y Rapid fixed-length cutting device for thin-walled cylinder |
| 03/09/2005 | CN2683291Y Electric motor pipe beveling machine(SDC) |
| 03/03/2005 | US20050045004 Centrifugal cutting apparatus |
| 03/02/2005 | CN2681846Y Pipe elbow arc automatic cutter |
| 02/24/2005 | WO2005016584A1 Tube cutter |
| 02/24/2005 | US20050042036 Device and method for trenchless replacement of underground pipe |
| 02/16/2005 | CN2678811Y Blanking machine of metal steel pipe |
| 02/16/2005 | CN2678793Y Integrated processor for capillary tube |
| 02/09/2005 | CN2677069Y 旋切下料机 Peeling Cutting Machine |
| 02/09/2005 | CN1578717A Method and device for the separation of tubes |
| 02/03/2005 | US20050022643 Method for separating work pieces |
| 02/02/2005 | CN1573198A Established pipe replacing apparatus |
| 01/27/2005 | WO2005008078A2 Clamping pliers |
| 01/19/2005 | EP1497566A1 Blind rivet and method to make same |
| 01/19/2005 | EP1497066A1 Gearing means for a cutting device |
| 01/12/2005 | CN1562545A Pipe-cutting machine and cutting method |
| 12/29/2004 | CN1557590A Rapid length-measuring cutting process and apparatus for thin wall cylinder |
| 12/23/2004 | US20040255746 Shearing device for peripheral wall of tube |
| 12/23/2004 | US20040255632 Pipe preparation tool adaptable for different diameter pipes |
| 12/22/2004 | CN1555951A Spinning pipe cutter |
| 12/21/2004 | US6832536 Machine and method for servering a thin-walled tube |
| 12/16/2004 | WO2004108335A2 Portable, hand-held, motor-driven tube cutter |
| 12/16/2004 | DE10325375A1 Device for separating steel sanitary pipes with low wall thickness comprises cutting body having specified axial to radial width ratio at specified ratio of outer diameter of cutting wheel base body to cutting edge diameter |
| 11/25/2004 | WO2004101233A2 Pipe notcher |
| 11/24/2004 | EP1436112B1 Method for separating work pieces |
| 11/18/2004 | US20040226421 Pipe notcher |
| 11/10/2004 | EP1475213A1 METHOD FOR MANUFACTURING DOUBLE−WALL CORRUGATED TUBE |
| 11/09/2004 | US6813982 Positioner and cutting apparatus |
| 11/03/2004 | EP1472033A1 Dual containment tubing cutter |
| 11/02/2004 | US6810587 Combined clamping and cutting tool for plastic pipes |
| 10/27/2004 | EP1469966A1 Pipe cutter |
| 10/26/2004 | US6807886 Knife indexing apparatus |
| 10/21/2004 | WO2004089568A1 Cutting device for thin metallic plate |
| 10/13/2004 | CN1170661C Device for cutting slits in plastic tubes |
| 10/05/2004 | US6799923 Trenchless water pipe replacement device and method |
| 09/30/2004 | US20040187946 Manufacturing process and apparatus for making a helical rib tube |
| 09/30/2004 | US20040187665 Machine for continuous-cycle shearing of moving welded tubes |
| 09/30/2004 | DE202004011781U1 Antrieb für Ratschen-Rohrabschneider mit automatischer Zustellung des Schneidrädchens Drive for Ratchet pipe cutter with automatic infeed of the cutting wheel |
| 09/30/2004 | DE202004011189U1 Motorised pipe cutter has a rotary blade powered by an electric motor on a sliding mounting to cut a range of pipe sizes with one rotation of the cutter |
| 09/29/2004 | EP1462200A1 A machine for continuous-cycle shearing of moving welded tubes |
| 09/22/2004 | CN2642442Y Automatic plate outside pipe cutter |
| 09/21/2004 | US6793442 Device and method for trenchless replacement of underground pipe |
| 09/16/2004 | DE10359834B3 Device for removing a hollow profile molded in a high pressure deformation process has sealing elements arranged on an inner wall |
| 09/14/2004 | CA2193010C Internal rotary tube cutter |
| 09/01/2004 | CN2637057Y Pipe cutter |
| 09/01/2004 | CN2637056Y Pipeline lateral notching machine |
| 08/26/2004 | DE10349879B3 Separating process for hollow body involves moving at least one tool part relative to other and to hollow body along body |
| 08/26/2004 | DE10220379B4 Stangenschneidvorrichtung Rod cutter |
| 08/24/2004 | US6779575 Sealing appliance |
| 08/19/2004 | DE202004002650U1 Pipe cutter has cutting roller inside suitable holder which fits around pipe to be cut rather than over one end |
| 08/18/2004 | CN1520955A Steel pipe end surface machining apparatus |
| 08/11/2004 | EP1444084A2 Manufacturing process and apparatus for making a helical rib tube |
| 08/05/2004 | US20040149099 Supported shear with reversible drive and method of operating same |
| 08/03/2004 | US6769181 Crimped-ring removal device |
| 08/03/2004 | CA2331307C Tube cutter |
| 07/15/2004 | DE4214478B4 Vorrichtung zum radialen Schneiden von Schneidgut Apparatus for radially cutting cutting material |
| 07/15/2004 | DE10238872B4 Vorrichtung und Verfahren zum Trennen einer Buchse, insbesondere einer Zylinderlaufbuchse, von einem Rohr Device and method for separating a socket, in particular a cylinder liner of a pipe |
| 07/14/2004 | EP1436112A1 Method for separating work pieces |
| 07/01/2004 | WO2004035239A3 Assembly for cutting a tube |
| 07/01/2004 | DE10260500A1 Pipe cutter has double-armed lever fitted on tool support with longer arm forming centrifugal mass and shorter arm supporting cutting wheel which cuts pipe as it spins |
| 07/01/2004 | DE10162135B4 Trennvorrichtung Separator |
| 06/30/2004 | EP1433577A1 Tool for cutting through tubes |
| 06/22/2004 | US6752055 Turret type product receiver/unloader for slugless shear |
| 06/22/2004 | US6751867 Tube cutter |
| 06/16/2004 | CN2620602Y Circular section pipe roll-cutting machine |
| 06/10/2004 | US20040107809 Automatic feed system for tube shear device and position registration system for same |
| 06/09/2004 | CN1503709A Facility and method for pipe cutting |
| 05/25/2004 | US6739055 Rotatable tube cutter |
| 05/12/2004 | CN2614822Y Double-guide self-creeping hydraulic pipe-cutting machine |
| 05/06/2004 | WO2004012894A3 Bar cutting assembly |
| 04/29/2004 | WO2004035239A2 Assembly for cutting a tube |
| 04/29/2004 | US20040078956 Duplex pipe end working method |
| 04/29/2004 | DE202004001627U1 Recycling-System für einen Motorölfilter Recycling system for an engine oil filter |
| 04/29/2004 | CA2502564A1 Assembly for cutting a tube |
| 04/27/2004 | US6726547 Cutting device for sheet metal drum |
| 04/22/2004 | US20040074359 Assembly for cutting a tube |
| 04/21/2004 | EP1227917B1 Device for cutting slits in plastic tubes |
| 04/20/2004 | CA2289386C Tube cutting device |
| 03/31/2004 | EP1401606A1 A method and apparatus for high-velocity cutting of hollow profiles |
| 03/18/2004 | US20040050228 Mandrel rod with internal support rollers |
| 03/18/2004 | US20040050129 Device for socket-deforming a tube end and for adjusting its length |
| 03/18/2004 | DE10238871B3 Process for separating a bushing from a pipe clamped in a matrix comprises cutting the pipe material along a separating line using a cutting tool and separating the bushing by a brittle fracture produced on application of axial force |
| 03/11/2004 | DE10238872A1 Parting tool for cutting sleeves from tubular material has the tube clamped and cut from the inside using a rotating cutting disc on a mounting with tilt and rotational adjustment |
| 03/02/2004 | US6698322 Supported shear with reversible drive and method of operating same |
| 03/02/2004 | US6698048 Motorized device for cutting and cleaning a piece of pipe |
| 02/12/2004 | WO2004012894A2 Bar cutting assembly |
| 02/12/2004 | US20040025351 Rotatable tube cutter |
| 02/12/2004 | DE10145522B4 Vorrichtung zur Ablängung von Profilen Apparatus for cutting to length of profiles |
| 02/12/2004 | DE10027315B4 Schälgerät für zylinderförmige Gegenstände Peeler cylindrical objects |
| 02/10/2004 | US6688200 Supported shear with reversible linear drive and in-feed table therefor |
| 01/29/2004 | DE10229081A1 Verfahren und Vorrichtung zum Trennen von Schläuchen Method and apparatus for separating tubes |
| 01/13/2004 | US6675684 Cutoff machine for tubular elements |
| 01/08/2004 | WO2004002693A1 Method and device for the separation of tubes |
| 01/07/2004 | CN1465463A Knife for deassembling oil filter element |
| 01/02/2004 | EP1375019A1 Thick-walled small diameter pipe producing method |
| 12/31/2003 | CN1463815A All-purpose power-driven self-crawling type pipe cutter |
| 12/23/2003 | US6666062 Pipe preparation device |