Patents for B21D 7 - Bending rods, profiles, or tubes (6,195) |
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02/08/1994 | US5284041 Method for bending tubes using split die |
02/08/1994 | US5284040 Tube bending apparatus with stop and abutment means to set bend angle |
02/03/1994 | DE4225108A1 Pipe bending press for hollow profiles with varying bending radii and cross=sections - has automatically exchangeable clamp jaws and bending tools in revolving magazines and has tool change device |
01/19/1994 | CN2153423Y Oil pressure transmiting big size wheel pipe bender |
01/04/1994 | US5275031 Bend correction apparatus and method |
12/29/1993 | CN2150938Y Multifunctional portable hand pipe bender |
12/23/1993 | DE4240725C1 Wire or strip bending machine - has guide track curving in vertical plane for lockable slide with movable tool=holder |
12/16/1993 | DE4218920A1 Thin-item-bending machine - has outer core section in segments adjusted by components bearing against their rear ramp faces |
12/08/1993 | EP0573397A1 A shaped groove countermatrix for rotary matrix pipe bending machines |
12/07/1993 | CA2006678C Device for bending thin metallic pipe |
11/24/1993 | CN1078671A Vertical bending press for rectangular bus |
11/23/1993 | US5263350 Multi-function pipe bending machine |
11/18/1993 | EP0569536A1 Apparatus for bending beams |
11/17/1993 | CN2146315Y Section-bending machine |
11/09/1993 | US5259232 Bending machine |
11/09/1993 | US5259224 Method and apparatus for controlling a pipe bending machine |
11/02/1993 | US5257524 Method and device for manufacturing pipe bends |
10/19/1993 | US5253501 Curve bending utilizing two flanking press rollers |
10/14/1993 | WO1993019864A1 A universal support and positioning structure for tools used by an elongate element binding machine |
09/15/1993 | EP0560741A1 A portable hydraulic pipe bending apparatus with a rotary chain actuated groove pulley matrix and groove countermatrix bending head |
09/14/1993 | US5243844 Process for producing curved sections in hollow profile strips |
09/02/1993 | WO1993016823A1 Method of manufacturing bent pipe of high tensile steel |
08/31/1993 | US5239850 Method for bending elongated materials in a continuous manner |
08/24/1993 | US5237847 Tube bending apparatus |
08/18/1993 | CN2140273Y Assembled roller composite support cold bending steel mill |
08/11/1993 | EP0554533A1 Wire bending apparatus |
08/10/1993 | US5233853 Stretch straightening hairpin bender |
07/20/1993 | US5228322 Plant to select and bend bars for building work |
07/13/1993 | US5226305 Articulated split roller assembly for tube bender |
06/29/1993 | US5222384 Reciprocal conduit bender |
06/22/1993 | US5220818 Apparatus for bending pipes with hinged clamping jaws |
06/16/1993 | EP0546319A1 Stretch bending method for bending hollow profiles and mandrel stretch bending machine |
06/16/1993 | CN1021203C Versatile tube bending and forming apparatus |
06/15/1993 | CA1319092C Small-diameter metallic conduit bending machine |
06/09/1993 | CN2135411Y Miniature metal element elbowing machine |
06/02/1993 | CN2134899Y Profile forming machine |
05/19/1993 | CN2133378Y Hydraulic pipe-bending machine |
05/18/1993 | US5211047 Die for bending a composite flange having a stretch portion and a straight portion |
05/18/1993 | CA1317868C Bending machine |
05/13/1993 | DE4137188A1 Varying extruded profile cross=section - comprises using shaped die and deforming roller |
05/12/1993 | CN2132577Y 便携式液压弯管机 Portable hydraulic pipe bender |
05/12/1993 | CN1071862A Process for permanent bending of deformable bodies |
05/11/1993 | US5209101 Workpiece machining center of modular construction |
05/04/1993 | CA1317158C Method and apparatus for bending corrugated sheet |
04/28/1993 | EP0538595A1 Bending-shaping machine having multiple working levels |
04/28/1993 | CN2131225Y Vertical bending machine for rectangular bus |
04/28/1993 | CN2130613Y Rotary tube bender for Z-tube |
04/21/1993 | EP0538207A2 Multi-function pipe bending machine |
04/20/1993 | US5203195 Bending machine for bending bar-shaped material |
04/20/1993 | US5203192 Portable, lightweight machine for bending reinforcing steel rods or the like |
04/14/1993 | CN1020260C Process for producing high-frequency bent tubes having low hardness as worked |
04/06/1993 | US5199292 Assembly to bend bundles of rods |
04/06/1993 | CA1315771C Pulling tower |
03/31/1993 | EP0533998A1 Bending machine |
03/30/1993 | US5197320 Method of and apparatus for bending a metal tube of a small diameter |
03/30/1993 | CA1315183C Small-diameter metallic conduit bending machine |
03/23/1993 | US5195348 Bending-shaping machine for sections and method to apply bends in the trailing end of sections |
03/16/1993 | US5193378 Device for bending rod-like material to form concrete reinforcements |
03/16/1993 | CA1314469C Bending machine |
03/10/1993 | EP0530452A1 Method for controlling or tube bending machine |
03/07/1993 | CA2050840A1 Pipe bending machine for elongate material |
03/02/1993 | US5189898 Heavy duty auxiliary tower for a repair rack |
03/02/1993 | CA1313945C Curved pipe manufacturing method and an apparatus for carrying out same |
02/23/1993 | US5187963 Tube bending die |
02/17/1993 | CN2127046Y Multi-functional aluminum row flat bending machine |
02/16/1993 | CA2049248A1 Frame member |
01/27/1993 | CN1068419A Computerized resilience and elongation instrument for bent tubes |
01/21/1993 | DE4131054C1 Metal tube bending machine - has two beams as right angles and includes telescopic arm |
01/07/1993 | DE4124356C1 Pipe bending machine with clamping head on frame - which forms support column with top cantilever arm whose free end forms bearing for rotary head |
12/23/1992 | EP0518929A1 Stabilizer bar and method and apparatus for manufacturing the same. |
12/23/1992 | EP0518910A1 Method for bending pipes |
11/19/1992 | EP0513864A2 Method of using a tube bending machine |
11/19/1992 | EP0513023A1 Drive unit for a modular-construction workpiece processing centre. |
11/10/1992 | US5161805 Oil ring assembly |
11/10/1992 | US5161404 Rod bender |
11/05/1992 | DE4206500A1 Device to produce wheel rim - involves setting inclination of sizing element which is altered by hinge of lever and each replaceable tool is attached by sizing element |
11/04/1992 | EP0416046B1 Piston rings |
11/03/1992 | US5159825 Dedimpling apparatus |
10/28/1992 | CN2119975U Bender with magnetic damping device |
10/20/1992 | US5157241 Temperature control device provided in a plastic-processing machine |
10/20/1992 | US5156635 Bicycle wheel straightener |
10/20/1992 | CA1309002C2 Apparatus for bending rectangular tubes |
10/15/1992 | WO1992017291A1 Pipe bending plier |
10/13/1992 | US5154000 Conduit bending plane and bend angle indicator |
10/13/1992 | CA1308639C Small-diameter metallic conduit bending machine |
10/07/1992 | EP0386083B1 A method and apparatus for bending corrugated sheet |
10/07/1992 | CN2117957U Portable tube bending machine |
09/30/1992 | CN2117221U Three dimension profiling pipe bender |
09/23/1992 | EP0504488A1 Pipe bending device |
09/23/1992 | CN1064631A Method and device for manufacturing pipe bends |
09/22/1992 | US5148695 Adjustable pipe and tubing bender |
09/20/1992 | CA2062897A1 Apparatus for bending pipes |
09/09/1992 | EP0502817A1 Method and apparatus for manufacturing a pipe bend |
09/09/1992 | EP0502341A1 Assembly to bend bundles of rods |
09/08/1992 | US5144829 Shears unit |
09/08/1992 | US5144823 Bend angle indicator |
09/06/1992 | CA2061711A1 Method and device for manufacturing pipe bends |
09/02/1992 | EP0501212A1 Plant to select and bend bars for building work |
08/29/1992 | CA2061543A1 Assembly to bend bundles of rods |
08/29/1992 | CA2061221A1 Plant to select and bend bars for building work |