| 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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| 10/27/1987 | US4702097 Process for the bending of rod-like materials |
| 10/20/1987 | CA1228284A1 Method and apparatus for bending a rolling mill laying pipe |
| 10/14/1987 | EP0241174A2 Apparatus for bending structural metal rails |
| 10/13/1987 | US4698995 Method for stretch forming drop hammer parts utilizing stretch wrap forming techniques |
| 10/01/1987 | DE3706339A1 Method for the production of a one-piece syphon for use in conjunction with sanitary water systems, e.g. Wash basins, bidets, etc |
| 09/23/1987 | EP0238026A1 Method of and device for bending bar-shaped materials |
| 08/25/1987 | CA1225819A1 Methods and apparatus for constructing cutting tools |
| 07/29/1987 | CN86107553A 模制方法 Molding method |
| 07/21/1987 | US4681210 Apparatus for feeding bars through a bending or like processing station |
| 06/24/1987 | EP0226167A2 Method of bending elongated material and bending machine for carrying out this method |
| 05/26/1987 | US4667387 Method for manufacturing valve covers of compressor |
| 04/07/1987 | US4654912 Production of threaded metal rods for making U-bolts |
| 03/25/1987 | EP0215360A1 Matrix for the production of pellets |
| 03/25/1987 | EP0215006A1 Device for bending conical wires. |
| 02/24/1987 | US4644778 Landscape edging bender |
| 02/17/1987 | US4644175 Device for the automatic control of the feed of a tubular wire, in particular made of precious material in the goldsmith industry |
| 02/17/1987 | US4643016 Slat bending tool |
| 01/06/1987 | US4633942 Slit fin coil and the method of making coils |
| 01/06/1987 | US4633941 Slit fin coil and the method of making coils |
| 12/30/1986 | CA1215866A1 Torsional molding apparatus for crank shaft |
| 12/03/1986 | EP0203742A1 Method and apparatus for producing gaskets |
| 11/25/1986 | US4624124 Armature coil forming machine |
| 10/28/1986 | US4619025 Method of forming a slit fin heat exchanger |
| 10/28/1986 | US4619024 Method of making coils |
| 10/22/1986 | EP0198779A2 Drawing device for forming a tube starting from a metal strip |
| 09/17/1986 | EP0194478A2 Device for straightening rods or wire without relative rotation of succeeding elements of material about the longitudinal axis |
| 09/02/1986 | US4608847 Tool for forming a scroll |
| 08/28/1986 | WO1986004837A1 Device for bending conical wires |
| 08/27/1986 | EP0192105A1 Method for hot-forming at least one metal sheet of hardly deformable material |
| 08/19/1986 | US4606213 Tool for producing bends in curved surfaces |
| 08/19/1986 | US4606209 Disc roller mechanism for forming helical shapes |
| 08/12/1986 | US4604884 Twisting apparatus of root canal reamer or file material and method for manufacturing root canal reamer or file |
| 08/05/1986 | US4603572 Device and method for bending corrugated plates |
| 07/22/1986 | US4601187 Twisting apparatus and method |
| 07/15/1986 | US4599773 Method of forming a multiple coil heat exchanger |
| 07/01/1986 | US4597279 Apparatus for bending hollow shaped bar portions to form spacer frames for insulating glass |
| 06/24/1986 | US4596064 Method for manufacturing a screw flight |
| 06/11/1986 | EP0184544A1 Tube of a heat exchanger and procedure of manufacturing of a helix for such a tube |
| 04/23/1986 | EP0178721A1 Method and device for manufacturing helical tubes |
| 04/22/1986 | US4583675 Method of production of a part formed with an opening |
| 04/08/1986 | US4580433 Method of bending shaped metal sheet and apparatus for carrying out the method |
| 04/08/1986 | US4580430 Torsional molding apparatus for crank shaft |
| 04/08/1986 | US4580329 Processing machine for workpieces |
| 03/11/1986 | US4574553 Spacer frame and method for bending hollow shaped bar portions to form spacer frames for insulating glass |
| 03/05/1986 | EP0173675A1 Method and device for producing especially metallic work pieces, preferably from steel |
| 03/04/1986 | US4573339 Manual tool for shaping horseshoes |
| 02/18/1986 | US4570815 Fluid-tight connecting structure and storage tank in particular for a molten salt, fitted with said structure |
| 02/18/1986 | US4570474 Apparatus for bending metal plate in widthwise direction |
| 02/04/1986 | US4567937 Electromagnetic stirring method and device for double casting type continuous casting apparatus |
| 01/07/1986 | US4562754 Methods for constructing cutting tools |
| 12/24/1985 | CA1198322A1 Method for shaping panels by bending operation, in particular panels for planking aircraft fuselage, and apparatus for implementing such method |
| 12/24/1985 | CA1198265A1 Apparatus and method for manufacturing helical cores |
| 10/22/1985 | US4548065 For stretch-forming a sheet metal workpiece to a desired contour |
| 10/15/1985 | US4546631 Roller mechanism for forming helical shapes |
| 09/17/1985 | CA1193529A1 Matrix die |
| 09/10/1985 | CA1193145A1 Method of reducing curling in pressed sheet materials |
| 08/06/1985 | US4532966 Device for producing and removing shaped wire material pieces |
| 07/30/1985 | US4531271 Method for manufacturing a rotationally symmetrical construction part |
| 07/16/1985 | US4528835 Roofing for building and method and apparatus for making the roofing |
| 07/09/1985 | US4527410 Blade twisting apparatus |
| 07/02/1985 | US4526025 Wire or strip bending mechanism |
| 06/26/1985 | EP0146352A2 A method and apparatus for bending a corrugated sheet |
| 06/18/1985 | US4523449 Grip-feed machines used with stamping and bending machines |
| 05/21/1985 | CA1187389A1 U-bolt bender |
| 05/07/1985 | US4515004 Welded wire fabric bending apparatus and method |
| 05/02/1985 | EP0139415A2 Bending fixtures for laying pipes |
| 04/23/1985 | US4512066 Method of fabricating scroll members |
| 04/17/1985 | EP0137486A2 Apparatus for bending metal plate in widthwise direction |
| 04/16/1985 | US4510782 Torsion coiler |
| 03/12/1985 | US4503695 Apparatus for bending laying tubes |
| 02/20/1985 | EP0133424A2 A tool for producing bends in curved surfaces |
| 02/20/1985 | EP0133256A2 Method of manufacturing a drum, for example for a cable |
| 02/12/1985 | US4498325 Method for shaping panels by a bending operation, in particular panels for aircraft fuselage skin, and apparatus for implementing such method |
| 02/05/1985 | US4497190 Apparatus for bending a rolling mill laying pipe |
| 01/29/1985 | US4495989 Multiple coil heat exchanger |
| 01/22/1985 | CA1181268A1 Running stop |
| 12/25/1984 | US4489588 Apparatus for manufacturing screw workpieces of a tube semi-product |
| 12/05/1984 | EP0127156A2 Machine for working wire and strip |
| 11/21/1984 | EP0125792A1 Twisting apparatus & method |
| 10/31/1984 | EP0123231A1 Bending machine |
| 10/30/1984 | US4479375 Bending mandrel arrangement |
| 10/30/1984 | US4479373 Tube bending assembly, particularly for thin wall and small and medium diameter metal tubes |
| 10/17/1984 | EP0121896A2 Method of and device for bending bar-shaped materials |
| 07/18/1984 | EP0113651A1 Method for the production of a cold cured steel rod by twisting, preferably a reinforcing bar, as well as a bar produced by this method |
| 06/26/1984 | US4456036 Wire bending apparatus and a method of bending a wire |
| 05/29/1984 | US4450708 Universal, adjustable bending form for shaping electrical windings |
| 05/22/1984 | US4449388 Method of bending shaped metal sheet and apparatus for carrying out the method |
| 05/22/1984 | US4449387 Tube bending machine |
| 05/08/1984 | US4446711 U-Bolt bender |
| 05/01/1984 | US4445353 Apparatus for manufacturing helical cores |
| 04/10/1984 | US4441543 Method of enlarging width of continuously cast strand |
| 03/21/1984 | EP0103340A2 Device and method for bending corrugated plates |
| 03/20/1984 | US4437329 Method of manufacturing twisted tubes |
| 03/15/1984 | WO1984000907A1 Device and method for bending corrugated plates |
| 03/14/1984 | EP0102905A1 Method and apparatus for the helical bending of the tubes of a tube coiling of a steam generator |
| 03/13/1984 | US4436495 Method of fabricating two-piece scroll members for scroll apparatus and resulting scroll members |
| 03/13/1984 | US4436465 Scroll manufacturing tool |
| 03/06/1984 | US4434645 Apparatus for the radial shaping of tubular articles |
| 02/29/1984 | EP0101675A2 Bending device for material in wire or strip form |
| 02/28/1984 | US4433564 Scroll manufacturing tool |