| Patents for B23D 21 - Machines or devices for shearing or cutting tubes (3,019) |
|---|
| 06/27/1990 | CA2004313A1 Cut-off machine |
| 06/26/1990 | CA1270747A1 Fiber tubing lengthwise cutting |
| 06/12/1990 | US4932297 Cut-off die set |
| 06/05/1990 | US4930384 Die for notching hollow tubing |
| 05/31/1990 | WO1990005610A1 Tool for grooving or cutting pipes |
| 05/30/1990 | CN1008154B Moveable machine for processing pipe |
| 05/22/1990 | CA2003542A1 Tool for grooving or cutting pipes |
| 05/16/1990 | CN2057123U Tool movable pipe cutter |
| 05/15/1990 | US4924684 Apparatus for forming and cutting spiral pipe |
| 04/24/1990 | US4919025 Method and apparatus for processing continuously manufactured tubing |
| 04/18/1990 | EP0364405A2 Shearing blade mount for cut-off die set |
| 04/11/1990 | CA2000430A1 Shearing blade mount for cut-off die set |
| 04/04/1990 | EP0362144A2 Notching blade assembly |
| 03/06/1990 | US4905552 Rotary pipe cutting apparatus |
| 02/27/1990 | US4903406 Pipe splitter |
| 02/20/1990 | CA1265989A1 Flail tube cutter |
| 01/02/1990 | US4890385 Automatic feed system for a tube cutter |
| 11/15/1989 | CN2047607U Hand-operated wobble tube cutter |
| 11/14/1989 | US4880956 Device for radial machining and welding element |
| 11/07/1989 | CA1262616A1 Apparatus for cutting hollow pipes |
| 11/01/1989 | CN2046782U Rotating feed type cutting device |
| 10/25/1989 | EP0338015A1 Method and apparatus for cutting and deburring tubes. |
| 10/24/1989 | CA1262405A1 Columnar material cutting machine |
| 10/18/1989 | CN2046045U Synchronous cutting-off apparatus of metal pipe flattener |
| 10/11/1989 | CN1036161A Universal tools with impact and adjustable function for plumbers |
| 10/10/1989 | US4872384 Tube cutting apparatus |
| 10/04/1989 | CN1035971A Low stress impact shearing method |
| 10/03/1989 | CA1262090A1 Device for cutting an electrode casing |
| 09/12/1989 | US4865300 Tube handling apparatus |
| 09/08/1989 | WO1989007998A1 Automatic feed system for a tube cutter |
| 08/22/1989 | US4859132 Process and device for opening by the median zone of their bodies, emptying and flattening hermetically closed metal or composite containers |
| 08/22/1989 | US4858316 Tubing cutter |
| 08/09/1989 | CN2042386U Multi-function cuting and expending pipe apparatus |
| 08/03/1989 | DE3801432A1 Cutting-off device for pipes |
| 07/27/1989 | DE3901090A1 Device for cutting off elongated, rectilinear products |
| 07/26/1989 | EP0325556A2 Marking tool |
| 07/18/1989 | US4848723 Overload protector for clamping jaw mechanism |
| 07/18/1989 | US4847997 Tubing cutters |
| 07/11/1989 | US4845850 Pipe cutter with a toggle clamping device |
| 07/11/1989 | US4845849 Pipe cutter with a guided blade for plastic pipes cylindrical or not |
| 06/27/1989 | US4841636 Positive drive mechanism for uniform feed of internal tube cutter |
| 06/14/1989 | CN2039240U Fully-automatic spider cutter |
| 05/31/1989 | EP0318300A2 A pipe cutting device |
| 05/23/1989 | US4831732 Pipe cutter |
| 04/26/1989 | EP0312619A1 Cutting device to cut tubular construction elements |
| 04/25/1989 | US4823579 Apparatus for cutting hollow pipes |
| 04/25/1989 | CA1252990A1 Method and apparatus for forming an air gap pipe |
| 04/19/1989 | EP0312014A1 Machine tool with running slides |
| 04/12/1989 | EP0311559A1 Method for trimming tubular articles |
| 04/06/1989 | WO1989002794A1 Apparatus and method for trimming a can body |
| 03/21/1989 | US4813314 Multi-function pipe machining apparatus |
| 03/15/1989 | CN2034097U Hand pipe cutter |
| 03/08/1989 | EP0305942A2 Positive drive mechanism for uniform feed of internal tube cutter |
| 03/07/1989 | US4809775 I-T-H pipe cutting tool |
| 03/01/1989 | EP0305341A2 Perfected version of pipe cutting machine using three blades positioned on the same plane |
| 02/28/1989 | US4807502 Tube cutting apparatus |
| 02/09/1989 | WO1989000904A1 Cutting tool |
| 02/09/1989 | WO1989000903A1 Gear driven tube cutter |
| 02/08/1989 | EP0302137A1 Cut-off die set |
| 02/07/1989 | US4802278 Gear driven tube cutter |
| 01/25/1989 | EP0300764A2 Tool for plastics pipes |
| 01/24/1989 | US4799412 Method for severing the ends of tubing |
| 01/10/1989 | US4796498 Method for dimple free guillotine cutting of multiple wall tube |
| 01/03/1989 | US4794834 Tube shearing apparatus |
| 12/21/1988 | CN88203400U Apparatus for cutting pipe and processing thread |
| 12/20/1988 | US4791842 Pipe machining apparatus |
| 12/13/1988 | US4790168 Pipe crimping and cutting |
| 11/30/1988 | CN88202098U Combined pipe riveting and cutting device |
| 11/15/1988 | US4783982 Apparatus and method for trimming a can body |
| 11/09/1988 | CN87101911A Screw rod |
| 11/02/1988 | EP0288938A2 Flying device to bevel and cut |
| 11/02/1988 | CN87217083U Automatic advancement pipes cutter |
| 11/02/1988 | CN87216633U Press-in type chipless cyclonic pipe cutter |
| 11/01/1988 | US4781089 Longitudinal cutting of a fibrous tubular product |
| 10/26/1988 | EP0288288A2 I-T-H pipe cutting tool |
| 10/25/1988 | US4779496 Tube cutting apparatus and method |
| 09/28/1988 | CN87215634U Ring rail cutting machine for cast iron tube |
| 09/22/1988 | DE3708420A1 Pincers for cutting plastic pipes, in particular grooved pipes |
| 09/14/1988 | CN87201447U Hetermorphous thin metallic tube die cutter |
| 09/13/1988 | US4770074 Multi-function pipe machining apparatus |
| 09/13/1988 | US4769911 Pipe cutting device |
| 08/31/1988 | CN88200152U Disk type pipe cutter |
| 08/30/1988 | US4766792 For severing sections of tubing |
| 08/24/1988 | EP0279737A2 Plastic tube cutting apparatus with a guided cutter |
| 08/16/1988 | US4763413 Chain tube cutter |
| 08/09/1988 | US4762038 Pipe machining apparatus |
| 07/05/1988 | US4755948 Bar materials gathering control system |
| 06/30/1988 | WO1988004589A1 Method and apparatus for cutting and deburring tubes |
| 06/28/1988 | US4753008 Of a nuclear reactor plant |
| 06/14/1988 | US4750249 Pipe scraping tool |
| 06/14/1988 | CA1237977A1 Cutoff method and device for rigid, tubular parts, particularly a section of oval cast iron pipe |
| 06/07/1988 | US4748880 Process and apparatus for truncating tubes |
| 05/25/1988 | EP0268327A1 Expandable inner tube cutter for a multiple-stage processing apparatus |
| 05/17/1988 | US4744277 Method and device for cutting pipe lengths |
| 04/27/1988 | CN87209462U Angled pipe cutter |
| 04/26/1988 | US4739554 Tool for cutting of plastic tubes |
| 04/06/1988 | CN87203299U Multifunctional pipe-processing machine |
| 04/05/1988 | US4734982 Plastic-pipe cutter |
| 03/30/1988 | EP0261864A2 Pipe end preparation tools |
| 02/16/1988 | US4724733 Apparatus for cutting tubing |