| Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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| 08/27/1992 | DE4200520A1 Bending hollow metal sections - using rollers mounted on slide which cooperate with fixed disc |
| 08/27/1992 | DE4106230A1 Bending hollow metal sections - using machine with grooves in bending roller and support bar to match section contour |
| 08/20/1992 | DE4200521A1 Bending hollow sections for window frames - using machine with simple system to adjust radius of bend |
| 08/19/1992 | CN2113118U Angle folding controller for reinforcing steel bender |
| 08/11/1992 | US5136867 Automatic frame bending machine for bending of steel rods or band steel |
| 07/30/1992 | WO1992012812A1 Apparatus for bending beams |
| 07/29/1992 | CN2111149U Hydraulic two-model pipe bender |
| 07/21/1992 | US5131254 Apparatus for bending beams |
| 07/15/1992 | EP0494843A1 Method for making a double-walled tubular piece . |
| 07/14/1992 | US5129122 Deburring apparatus |
| 07/07/1992 | US5127248 Process and device for pipe bending |
| 07/02/1992 | DE4041668A1 Hollow metal profile bending - has mandrel to fill the hollow interior on entry to the bending rollers |
| 07/01/1992 | EP0492818A1 Curved grid tees for suspension ceilings |
| 07/01/1992 | EP0492211A1 Method for bending hollow metal profiles and apparatus for carrying out this process |
| 06/30/1992 | US5125825 Plastic pipe bender |
| 06/30/1992 | US5125252 Variable geometry tube bending dies |
| 06/24/1992 | EP0491195A1 Bending-shaping machine for sections and method to apply bends in the trailing end of sections |
| 06/24/1992 | CN2107976U All-purpose bending vice |
| 06/23/1992 | CA2058238A1 Process for bending hollow metal profiles and an apparatus for carrying out this process |
| 06/21/1992 | CA2056109A1 Curved grid tees for suspension ceilings |
| 06/09/1992 | US5119533 Method for bending hollow material using a mandrel and for adjusting the shape of the mandrel |
| 06/02/1992 | US5117669 Apparatus for bending hollow profile strips |
| 05/27/1992 | DE4106962C1 Metal profile bending and assembly machine - has profile bending mechanism near tyre receiving wooden disc, abutting latter via freely rotating support |
| 05/26/1992 | CA1301612C Tube bender |
| 05/26/1992 | CA1301610C Bending machine |
| 05/19/1992 | US5113685 Apparatus for contouring spine plates and/or rods |
| 05/19/1992 | US5113683 Pipe bending machine having two bending heads |
| 05/12/1992 | US5111675 Penetration bending method and penetration bending machine therefor |
| 05/06/1992 | EP0484155A2 Tandem roller pipe bender |
| 05/05/1992 | US5110291 Apparatus for bending dental root canal instruments |
| 05/01/1992 | CA2054557A1 Tandem roller pipe bender |
| 04/29/1992 | EP0483044A2 A bending machine |
| 04/29/1992 | EP0482674A2 Method for making spring mattresses comprising a spring core provided with a borderframe on its lower and upper side |
| 04/22/1992 | EP0481279A2 Method of spatial roll-stretch-bending in combination with a mandrel bending station |
| 04/21/1992 | US5105646 Pipe bending plier |
| 04/14/1992 | US5103663 Dedimpler and deburring apparatus |
| 03/31/1992 | US5099669 Bending assembly with satellite |
| 03/31/1992 | US5099668 Universal plying iron |
| 03/24/1992 | US5097691 Adjustable leveler |
| 03/19/1992 | DE4029347A1 Pipe or rod bending device - has rotary symmetrical bending mandrel with clamping and bending bar to bend angles more than 180 deg. |
| 03/17/1992 | US5095726 Dedimpler and deburring apparatus |
| 03/17/1992 | CA1297392C Pipe bending machine |
| 03/12/1992 | DE4028633A1 Bending hollow metal sections to required radius - involves swinging arms with rollers which press sections against forming disc |
| 03/10/1992 | US5094096 Method of bending |
| 03/05/1992 | DE4028035A1 Pipe bending machine with multiple jaw chuck - has scale of degrees of angle mounted around chuck |
| 02/20/1992 | WO1992002338A1 Hydraulic or pneumatic auxiliary drive for manual sheet-metal forming tools |
| 02/18/1992 | US5088310 Additional bender of metal wire working machines for creation of three dimensional shapes (forms) |
| 02/18/1992 | US5088261 Curved grid tees for suspension ceilings |
| 02/04/1992 | CA1295220C Bending device for automatic pipe bender |
| 01/29/1992 | CN1058159A Shaping method for stainless steel bend |
| 01/21/1992 | CA1294521C Method and apparatus for bending a heat exchanger coil |
| 01/20/1992 | CA2050747A1 Power operated pipe bending mandrel |
| 01/14/1992 | US5081589 Method of manufacturing guide jig for bent piping member |
| 01/14/1992 | US5079989 Electrohydraulic valve system with a pressure feedback signal modulated by a velocity feedback signal when the velocity exceeds a veloity limit |
| 01/14/1992 | US5079833 Apparatus for assembling small numbers of a large variety of different goods |
| 01/14/1992 | CA1294197C Consolidated backshoe die for a tube bender machine |
| 01/14/1992 | CA1294196C Pipe bending machine |
| 01/08/1992 | CN2092381U Machines for downword welding the flanges |
| 01/02/1992 | EP0463132A1 Machine for bending rod-shaped material. |
| 12/27/1991 | EP0462961A1 Apparatus for bending hollow spaces frames |
| 12/19/1991 | DE4019196A1 Tube bending |
| 12/18/1991 | EP0461644A1 Method and device to bend deformable, for example bendable pipes |
| 12/16/1991 | WO1991019603A1 Process and device for bending tubes which can be deformed or bent |
| 12/16/1991 | CA2064468A1 Process for bending pipes |
| 12/11/1991 | EP0461006A1 Method and apparatus for bending tubes |
| 12/11/1991 | EP0460543A1 Bending device for root canal dental tools |
| 12/04/1991 | EP0459971A1 Method and apparatus for obtaining curved parts in hollow section strips |
| 12/03/1991 | US5069382 Apparatus and method for producing a pressure vessel from metal tubing |
| 11/20/1991 | CN2088909U Bender by roasting |
| 11/19/1991 | US5065494 Method of securing fastener |
| 11/05/1991 | US5062286 Method and apparatus for bending corrugated sheet |
| 11/05/1991 | CA1291697C Bending machine for tubes, bars and shopes |
| 10/31/1991 | WO1991016155A1 Process and device for bending at least a section of a rod material |
| 10/29/1991 | US5060496 Heating, bending in nitrogen atmosphere doubles service life |
| 10/29/1991 | CA1291405C Drive system for a bending machine |
| 10/29/1991 | CA1291404C Method and apparatus for bending tubing |
| 10/23/1991 | CN2087105U Elbow pipe forming device |
| 10/22/1991 | US5058407 Level for use in bending conduit |
| 10/17/1991 | DE4012095A1 Verfahren und vorrichtung zum biegen von zumindest einem abschnitt eines stabfoermigen materials A method and apparatus for bending at least a portion of a material stabfoermigen |
| 10/15/1991 | US5056347 Hand-held bending tool for conduits and rods |
| 10/08/1991 | US5054178 Process and apparatus for the production of innersprings for mattresses and upholstered furniture |
| 09/25/1991 | CN2085267U Simple pipe bender |
| 09/20/1991 | CA2037620A1 Variable geometry tube bending dies |
| 09/19/1991 | WO1991013707A1 Stabilizer bar and method and apparatus for manufacturing the same |
| 09/18/1991 | EP0446819A2 Tube bending machine |
| 09/18/1991 | EP0446650A1 Collection and discharge bench |
| 09/17/1991 | US5050089 Closed-loop control system |
| 09/16/1991 | CA2038311A1 Collection and discharge bench |
| 09/08/1991 | WO1991013706A1 Method for bending pipes |
| 09/08/1991 | CA2077642A1 Method for bending pipes |
| 09/04/1991 | EP0445081A2 Pipe bending machine with cantilevered bending head, with interchangeable multifunction tool, and being programmable by means of a computerized unit |
| 09/04/1991 | EP0445044A1 Bending machine with two bending heads |
| 09/03/1991 | US5044188 Bending device for small-diameter pipes |
| 08/29/1991 | DE4104997A1 Bending hollow metal frame extrusion - by fitting male tool inside, placing in slotted female tools which partly surround it, and bending in machine using polyamide for all tools |
| 08/28/1991 | CN2083519U Portable blade shaping machine |
| 08/27/1991 | US5042282 Small-diameter metallic conduit bending machine |
| 08/27/1991 | US5042279 Bending machine |
| 08/21/1991 | EP0268676B1 Process and device for cold forming of steel and non-ferrous metal sections |
| 08/20/1991 | US5040401 Re-rod bender |
| 08/20/1991 | CA1287785C Bending machine |