| Patents for B21D 11 - Bending not restricted to forms of material mentioned in only one of groups , ,; Bending not provided for in groups; Twisting (4,159) |
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| 08/23/1995 | CN2205752Y Cold bending opening section with cross reinforcing bars |
| 08/22/1995 | US5442945 Method of and device for manufacturing curved helical springs |
| 08/10/1995 | DE4403411A1 Appts. for production of protective covers with variable length made of strip material |
| 08/08/1995 | CA1336569C Plate bending machine |
| 08/02/1995 | EP0664735A1 A universal support and positioning structure for tools used by an elongate element binding machine. |
| 08/02/1995 | CN1105916A Winding method of double-deck spiral pipe of thermal exchanger |
| 08/02/1995 | CN1105915A Manufacturing method and equipment of spirally coiled pipe |
| 07/05/1995 | EP0660764A1 Screw conveyors, augers and flighting for use therein. |
| 06/29/1995 | DE4442929A1 Bending machine to bend diagonal rods for grid bearer |
| 06/28/1995 | EP0659500A1 A method of bending a pipe having an oblong cross-section and a heat exchanger with pipes having an oblong section and bent in a U-shape |
| 06/28/1995 | EP0659498A1 Bending assembly of a bending machine |
| 06/20/1995 | US5425257 Method and apparatus for bending an elongate workpiece |
| 06/06/1995 | CA1335784C Small-diameter metallic conduit bending machine |
| 05/04/1995 | WO1995011767A1 A system for producing bent sheet-metal articles and components of the system |
| 05/02/1995 | US5410808 Method of making a double wall twist tube |
| 04/26/1995 | EP0649353A1 Method of bending metal objects |
| 04/25/1995 | CA2050839C Pipe bending machine for elongate material |
| 04/20/1995 | DE4335543A1 Process and apparatus for bending a thin-walled workpiece |
| 04/19/1995 | EP0648577A1 Apparatus for shaping bars, particularly bars of reinforced concrete |
| 03/29/1995 | EP0644804A1 Method and tool for producing pallets |
| 03/28/1995 | US5400634 Apparatus for forming tubing into curved, unbalanced and non-uniform shapes |
| 03/22/1995 | CN2192414Y Magnetic clamping edge fold machine |
| 03/21/1995 | US5398534 Structure for supporting forming tools in a machine for forming sheet metal by stretching |
| 03/16/1995 | DE4330420A1 Tube-bending machine |
| 02/22/1995 | EP0555274B1 Bending of profiled sheet metal |
| 02/22/1995 | CN1027682C Method and apparatus for prodn. of portable conic container |
| 02/21/1995 | US5390538 Process for bending metal hollow sections and apparatus for carrying out the process |
| 02/14/1995 | CA2018333C Twisting apparatus |
| 01/26/1995 | WO1995002475A1 Bending method for metallic objects |
| 01/18/1995 | EP0634236A1 Method of making rotors for excentric spiral pumps |
| 01/05/1995 | DE4420725A1 Method, bending machine and hardening device for the production of a bent sectional bar |
| 12/28/1994 | EP0630701A1 Method to butt bars, and bar butting assembly that employs such method |
| 12/28/1994 | EP0630297A1 Method and mechanism for the production of upwinding spiral wire products |
| 12/27/1994 | US5375447 Method to carry out bends and relative device |
| 12/27/1994 | CA1333652C Method of forming a screw thread and tubular body with a screw thread |
| 12/26/1994 | CA2124101A1 Method to butt bars, and bar butting assembly that employs such method |
| 12/20/1994 | US5373719 Device for generating bent portions in a pipe, particularly for generating a pipe coil |
| 11/30/1994 | EP0626221A1 Apparatus for bending a band-shaped work |
| 11/23/1994 | CN2183230Y Rotary feeding apparatus |
| 11/23/1994 | CN2183229Y Section-variable rolling machine |
| 11/23/1994 | CN2183228Y Roll-erecting mechanism in front of section-variable rolling machine |
| 11/23/1994 | CN2183227Y Longitudinal bending device for short-band forming machine set |
| 11/16/1994 | CN2182689Y Semi-automatic joggling machine |
| 11/10/1994 | WO1994025195A1 Microprocessor controlled apparatus and method for forming metal building panels |
| 11/01/1994 | US5359872 Method and apparatus for sheet-metal processing |
| 11/01/1994 | US5359871 Microprocessor controlled apparatus and method for forming metal building panels |
| 10/27/1994 | WO1994023860A1 Production mandrels and jaws for stretch forming |
| 10/25/1994 | US5357778 Automatic reinforced bar bending apparatus |
| 10/25/1994 | US5357775 Process for producing suspension component of light alloy |
| 10/18/1994 | US5355708 To produce bent rod product pieces |
| 10/13/1994 | WO1994022611A1 Apparatus and method for the stretch forming of elongated hollow metal sections |
| 10/13/1994 | WO1994022610A1 Internal articulated mandrel for the stretch forming of elongated hollow metal sections |
| 10/13/1994 | WO1994022609A1 Flexible constraining apparatus and method for the stretch forming of elongated hollow metal sections |
| 10/11/1994 | CA2022617C Apparatus for forming metallic binding bands |
| 10/04/1994 | US5351517 Method of, and a machine for, stretching and bending a profiled length of material |
| 09/29/1994 | WO1994021402A1 Method of bending metal objects |
| 09/29/1994 | DE4345158A1 Method and apparatus for the stretch-forming of semi-finished products |
| 09/29/1994 | DE4309317A1 Method and apparatus for the free forming of semi-finished products |
| 09/27/1994 | US5349839 Flexible constraining apparatus and method for the stretch forming of elongated hollow metal sections |
| 09/15/1994 | WO1994020234A1 Method of forming tubular members |
| 09/13/1994 | US5345799 Method and device for forming various workpieces |
| 09/07/1994 | CN2176205Y Locating device of plate material processing machine |
| 08/16/1994 | US5337842 Drill steel |
| 08/10/1994 | EP0609767A1 Method and apparatus for bending workpieces |
| 08/02/1994 | US5333481 Apparatus for spatial uncoiling and stretch-bending process in combination with a bending mandrel station |
| 07/27/1994 | EP0536167B1 Bending machines |
| 07/14/1994 | DE4300311A1 Deforming rod-shaped components in several steps |
| 07/12/1994 | US5327766 Apparatus for bending metal wood golf club heads |
| 07/12/1994 | US5327765 Internal articulated mandrel for the stretch forming of elongated hollow metal sections |
| 07/12/1994 | US5327764 Apparatus and method for the stretch forming of elongated hollow metal sections |
| 06/29/1994 | CN2170167Y Angle processing and assembling device |
| 06/01/1994 | EP0522051B1 Method of bending a ball point pen tip |
| 05/31/1994 | US5316052 Machine for making wire lattice mats of welded longitudinal and cross wires with welded end loops |
| 05/18/1994 | CN1086749A Method and apparatus for rolling changeable section plate spring |
| 05/17/1994 | US5312065 Rod laying head with front and tail end ring control |
| 05/03/1994 | US5307659 Plate bending machine |
| 04/20/1994 | EP0592798A1 Method to carry out bends and relative devices |
| 04/20/1994 | CN2162313Y Varying-arca plate spring crankle forming die |
| 03/31/1994 | WO1994006579A1 Screw conveyors, augers and flighting for use therein |
| 03/29/1994 | US5297415 Method for forming tubing into curved, unbalanced and non-uniform shapes |
| 03/23/1994 | EP0587842A1 Bending machine for simultaneously bending two individual wires superposed over each other |
| 03/22/1994 | US5295381 Twist-forming press for crank shaft or the like |
| 03/16/1994 | EP0587490A1 Method and device for determining the twist of a bar |
| 03/16/1994 | EP0587489A1 Method and device to produce a hardened twisted bar with holes |
| 03/16/1994 | CA2105794A1 Method to carry out bends and relative device |
| 03/10/1994 | DE4229920A1 Concrete reinforcing rod bending machine - has hand protection flap on retention bar, swivelable about horizontal axis in pull-in sense. |
| 03/03/1994 | WO1994004295A1 Method of manufacturing helical pitch components |
| 03/02/1994 | EP0584468A1 Process and apparatus for manufacturing curved helical springs |
| 03/01/1994 | US5289710 Apparatus for bending a flexible conduit |
| 02/15/1994 | US5285671 Bending-shaping machine having multiple working levels |
| 01/26/1994 | CN1081127A Machine and method for forming arched roof vertical wall self supporting metal buildings and building constructions |
| 01/26/1994 | CN1081125A Rod laying head with front and tail end ring control |
| 01/12/1994 | CN2152618Y Pneumatic hydraulic automatic edge controller |
| 01/05/1994 | CN1080228A Coiling and hot-forming process and apparatus for wedge rings |
| 12/29/1993 | EP0575646A1 A method and a device for forming various workpieces |
| 12/23/1993 | CA2086579A1 Method and a device for forming various workpieces |
| 12/21/1993 | US5271260 Bending device for forming carton blanking tools |
| 12/15/1993 | EP0574324A1 Method and device to produce an helicoidal metal wave guide for laser beam |
| 12/15/1993 | EP0574014A1 Knife bending apparatus |
| 12/13/1993 | CA2098141A1 Method and device for fabricating laser bean helicoidal metal waveguides |