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| Number | Title | Issue Date |
| 8056382 | Apparatus and method for curving metal panels The pressures provided by several wheels or rollers (18, 20, 22, 24, 30, 32) on various members of a metal panel are controlled to produce a curved panel of desired radius with little or no distortion. Predetermined pressures are used to achieve the desired c... | 11/15/2011 |
| 7536891 | Roll-forming or bending machine A roll-forming or bending machine is provided for forming an angled or rounded and simultaneously tapered hollow body or similar workpiece from a material blank. The machine has at least one tapered roll and at least one counter element, between which a forming pres... | 05/26/2009 |
| 7360386 | Sweep unit assembly The subject invention discloses a sweep unit assembly having a series of stations defining a path for an elongated article. A cradle is coupled to each of the stations. The stations are movable to introduce a first curve into the path and the article and each of the... | 04/22/2008 |
| 7325427 | Machine for bending of long products and a method to control such a machine A machine is process monitored and controlled for continuous bending of long products to a predetermined radius by using three parallel contact-free distance meters (laser transmitters) and by measuring the distances to the bent surface on the product, by calculatin... | 02/05/2008 |
| 7290422 | Device for free three-dimensional profile forming The invention pertains to a device for the 3D free-form bending of profiles with arbitrary, but constant outside dimensions over the profile length, particularly hollow profiles, wherein the profile to be bent has a longitudinal axis and is moved through the through... | 11/06/2007 |
| 7159432 | Device for bending profiles by thinning a wall of the profile In a device and in a process for bending a tube 72, the tube 72 is guided through a bending tool 71, which rotates around a section guide housing 81, 82 and also around a cam unit formed by two tubes 83, 84. Rollers 86 serve... | 01/09/2007 |
| 7065999 | Bending roll apparatus This invention provides a bending roll apparatus capable of preventing barrel-like deformation of a pipe occurring during a roll bending work and of manufacturing a small diameter elongated pipe. In an apparatus for manufacturing a pipe by pushing rolls to a core ro... | 06/27/2006 |
| 7013547 | Method and device for the production of curved spring strip sections A method and a device for the production of curved spring strip sections. A spring strip runs through a bending unit formed from three separate support points and a reverse bending unit, arranged in series, and formed from a fourth support point. Bent and reverse-be... | 03/21/2006 |
| 6952942 | Discharge device of an extruding installation The invention relates to a discharge device of an extruding installation (1), particularly provided for producing curved extruded products, that comprises, on a table-like support (8), a channel (7) which accommodates the extruded product. Said ... | 10/11/2005 |
| 6843092 | Architectural panel arching device Apparatus for forming an arch is architectural panels including a drive section and an arching section. Each of the drive section and arching section have at least one roller and cooperating follower with the rollers being adapted to engage the underside of the pane... | 01/18/2005 |
| 6813920 | Method for producing a bumper reinforcement A method for producing a bumper reinforcement having a hollow and a substantially rectangular cross sectional shape formed by the steps of providing a straight tubular member and forming a curved bumper reinforcement, continuously; wherein angle portions of the stra... | 11/09/2004 |
| 6769597 | Bent work and bending method and bending device used therefor A bent work is integrally formed at low cost by bending a belt-shaped thick steel material having an L-shaped cross-section so as to form a cylinder and by welding ends of the belt-shaped thick steel material to each other, the bent work being used as a bearing-rece... | 08/03/2004 |
| 6751995 | Roll bending die A roll bending die for bending metal into an arc with reinforcing ribs and tapered ends. The roll bending machine includes a body member being designed for being rotatably coupled to the roll bending machine whereby the body member selectively engages a pliable roll... | 06/22/2004 |
| 6725699 | Method for circulary bending a sheet and multicylinder device for carrying out the method According to the present invention, a method and an apparatus for rounding a sheet or plate blank in a rounding apparatus having rounding rolls is provided. A predetermined second part region of the blank is rounded after a predetermined first part region has been r... | 04/27/2004 |
| 6725700 | Bending device and control method thereof The bending device 25 comprises a positioning jig 10 having a clearance opening 8 formed therein for passing an elongate material 1, fixed to a device body, and a movable bending jig 28 having a clearance opening 30 formed t... | 04/27/2004 |
| 6662613 | Long member bending apparatus In a long member bending apparatus having a bending head and a material supply unit, the bending head is composed of a base plate having a guide pipe, which includes a guide hole for passing a long member, at the center thereof, a movable plate having a d... | 12/16/2003 |
| 6631631 | Two-roll rounding machine and method for rounding sheet-metal blanks On a two-roll rounding machine, in addition to a compressively elastic guide roll and a compressively rigid rounding roll, one or more compressively elastic rolls are provided which have both a rounding function and a supporting function for the rounding ... | 10/14/2003 |
| 6484386 | Apparatus for making brake shoes An apparatus adapted to form curved beam sections, such as a brake shoe, includes a rollformer, a cut-off device, and a re-former or sweeping device. The rollformer includes rollers constructed and arranged to rollform the sheet material into an elongated... | 11/26/2002 |
| 6386011 | Adjustable cut off apparatus for elongated articles having varying degrees of sweep A cut off apparatus is provided to be in line with a roll-forming machine and sweep-forming apparatus, and is particularly adapted for adjustably receiving and perpendicularly cutting bumper-length segments from any elongated compound swept article. The c... | 05/14/2002 |
| 6167737 | Vane forming apparatus The present invention is directed to a forming device adapted to impart a precise arcuate curvature to a sheet metal blank. The device includes a forming drum and a compression roller in proximate space relation to the surface of the drum. A characterizin... | 01/02/2001 |
| 5960662 | Apparatus for attaching a crane to a sheet metal roll forming machine A roll forming device has a trailer having a hitch mechanism at a front end and a plurality of wheels, a sheet metal roll forming apparatus mounted to the trailer and a crane mounted to the trailer for moving materials to the roll forming apparatus. An ou... | 10/05/1999 |
| 5916319 | Method to cold-bend resin-coated ribbed steel pipes A resin-coated ribbed steel pipe that is provided with an axially extending rib that is made from the same material as the coating and forms a hold groove is fed forward and bent along with the rotation of a shaping roller that is provided with an accommo... | 06/29/1999 |
| 5884517 | Bending device A bending device which can reduce a change in bend radius caused by movement of a bending jig and which can twist an elongate material using a simple construction. The bending device has a positioning jig 6 with a clearance opening formed therein for pass... | 03/23/1999 |
| 5743124 | Method of bending extruded shapes A method of bending extruded shapes of the present invention controls a bending radius and a bending angle in accordance with a moving distance of a movable bending die. In the bending process, hardness of an extruded shape to be processed is measured and... | 04/28/1998 |
| 5586463 | Pipe bending device A pipe bending device which is composed of a drive wheel, a plurality of guide wheels, a pair of guide molds and a mandrel, wherein the guide wheels having a main guide wheel which is installed under the drive wheel, the pair of guide mold being composed ... | 12/24/1996 |
| 5557960 | Device for producing a tube, in particular a tube-shaped printing form, with a continuous circumferential surface A device for producing a tube-shaped printing form from a plate with a register hole system. A clamping strip which can be supported in its initial position and fastened to the respective plate edge longitudinally is provided for each edge of the plate to... | 09/24/1996 |
| 5537895 | Automatic steel cutting rule bender Rule die stock for assembly in the kerf of a laser cut board is formed by utilizing the same program used to guide the laser cutter in forming the kerf to control the bending apparatus. A controller is provided with the same program and controls the feed ... | 07/23/1996 |
| 5522245 | Device for producing metal rings A metal ring producing device comprises a rigid roller and a resilient roller. The resilient roller has an outer cylindrical portion covered with an elastic annular member. The resilient roller is positioned near the rigid roller so that a metal plate mem... | 06/04/1996 |
| 5454504 | Apparatus for roll-forming end bumper for vehicles An end bumper for vehicles constructed from a single sheet of high-tensile strength steel roll-formed to provide two side-by-side tubular sections. Each section has a front wall, an outer side wall, a rear wall, and an inner side wall, the inner side wall... | 10/03/1995 |
| 5425257 | Method and apparatus for bending an elongate workpiece A method and an apparatus for bending manufacturing of a long workpiece capable of manufacturing different sections of the workpiece in different bending radiuss, while preventing a buckling deformation in manufacturing small bending radius sections and a... | 06/20/1995 |
| 5341665 | Tool system for an annular sheet metal part The process and apparatus of the invention permits the production of annular parts, such as ferrules, on which machining operations are to be carried out. The process includes the steps of bending a predimensioned metal sheet by a series of internal suppo... | 08/30/1994 |
| 5305625 | Adjustable cutoff apparatus A cutoff apparatus is adapted to be positioned adjacent a roll-forming machine, and is particularly adapted for adjustably receiving and cutting bumper-length segments from a swept elongated shape made of high strength steel being extended from the roll-f... | 04/26/1994 |
| 5272905 | Exterior mandrel for multiaxis bender A tube support mandrel for use with a multiaxis tube bender acts to support the outer surface, rather than the inner surface, of the tube, and so may be used with tubes that are open on one side, or which otherwise do not have a complete, enclosed interio... | 12/28/1993 |
| 5239850 | Method for bending elongated materials in a continuous manner A method for bending materials in a continuous manner with a bending machine having a fixed supply head and a movable bending head includes feeding material continuously along a material feeding direction through channels of the supply head and bending he... | 08/31/1993 |
| 5233758 | Method of making a one-piece modular door frame glass run channel A window receiving assembly is carried by a frame of a vehicle door. A metallic channel has a mounting surface for mounting to the frame and a pair of side walls projecting from the mounting surface and defines a window receiving channel with an opening. ... | 08/10/1993 |
| 5111675 | Penetration bending method and penetration bending machine therefor The penetration bending method is adapted to bend a rod-like member by allowing the rod-like member to penetrate through a guide cylinder and a die in a condition where the central axis line of the guide cylinder which restrains the rod-like member so as ... | 05/12/1992 |
| 5104026 | Apparatus for roll-forming an automotive bumper A bumper bar for vehicles formed from rolled sheet steel having a closed tubular profile designed to have a high impact resistance, high strength-to-weight ratio, and a low cost of manufacture. The bar is preferably swept along its longitudinal axis to cr... | 04/14/1992 |
| 5092512 | Method of roll-forming an automotive bumper A bumper bar for vehicles formed from rolled sheet steel having a closed tubular profile designed to have a high impact resistance, high strength-to-weight ratio, and a low cost of manufacture. The bar is preferably swept along its longitudinal axis to cr... | 03/03/1992 |
| 5089355 | Flexible metal clad laminate, production method thereof and apparatus for the method An elongated flexible metal clad laminate formed of at least one metal layer and at least one plastic layer and having a smaller interlayer dimensional difference and excellent process-ability. A defect that a dimension of the metal layer is longer than a... | 02/18/1992 |
| 5031291 | Apparatus for bending elongated materials in a continuous manner A bending apparatus has a fixed supply head, a movable bending head, a material feeding device, a sliding device, and a swinging device for sliding and swinging the movable bending head. The sliding device and the swinging device slide and swing the movab... | 07/16/1991 |
