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| Number | Title | Issue Date |
| 8181499 | Roll-forming machine and method for roll-forming a hat-shaped profile A beam with a hat-shaped profile with a cross-section that varies along its length is successively formed from a plane sheet metal strip using a roll-forming machine with a number of forming stations. The forming stations (11, 12) have a pair of clamping roll... | 05/22/2012 |
| 7984633 | Roll forming press A method of roll forming a metal plate with a desired bend. The method includes a first step of providing a roll press having at least a first and second set of bending rollers; a second step of positioning a lead end of the metal plate past the first set of bending... | 07/26/2011 |
| 7353684 | Method and apparatus of manufacturing drum An apparatus and method of manufacturing a drum, for use in an appliance such as a dryer, that prevents noise and vibration during operation. The method involves forming a cylindrical drum; reducing a diameter at both ends of the drum; forming beads in a central par... | 04/08/2008 |
| 7343767 | Roller tool for the linear deformation of sheet metal and sheet deformation facility having such a roller tool A roller tool is used within a sheet deformation facility for the linear deformation of sheet metal. The roller tool comprises a press roller having a shaft and a roller body rolling around the same as well as a counterbody. The press roller and the counterbody can ... | 03/18/2008 |
| 7275403 | Longitudinal curvature adjustment assembly for a rain gutter roll forming machine A rain gutter roll forming machine wherein the final forming station has the exit drive rollers removed therefrom. The forming rollers for the lower front and back corners of the gutter are mounted for rotation about a single substantially horizontal axis and are su... | 10/02/2007 |
| 7260967 | Elevator slats for an agricultural harvesting machine An agricultural harvesting machine that comprises a crop processing mechanism and an elevator assembly for conveying harvested crop material to the crop processing mechanism is provided. The elevator assembly comprises an elevator housing, an elevator mechanism moun... | 08/28/2007 |
| 7243519 | Roll-forming machine Disclosed is a roll-forming machine formed of a machine base and pairs of forming roll sets for the formation of a C-shaped component or a Z-shaped component from a sheet material, the two forming roll sets of each pair being symmetrically disposed at left and right... | 07/17/2007 |
| 7231796 | Structure of roll-forming machine A roll-forming machine formed of a machine base, a plurality of sheet-transfer roll sets, and a plurality of forming roll sets and adapted for the formation of a C-shaped component or a Z-shaped component from a sheet material is disclosed to have an adjustment stru... | 06/19/2007 |
| 7207201 | U/Z-shaped steel bar manufacturing process Disclosed is an U/Z-shaped steel bar manufacturing process, which includes the steps of (a) supplying a steel sheet material from a material rack to a flattening machine, (b) operating the flattening machine to flatten the steel sheet material and then delivering th... | 04/24/2007 |
| 7189195 | Corrugated sheet forming unit of a corrugated sheet material making machine A corrugated sheet forming unit used in a corrugated sheet material making machine for processing a metal sheet material into a corrugated sheet is disclosed to include a table vertically movable to fit the elevation of the conveyer and receiving unit of the machine... | 03/13/2007 |
| 7127926 | Circular and oval flanged rings for ducting and method of making A method of making Circular and Oval Flanged Rings, for the connection of thin walled circular and oval ducting, including Circular and Oval Flanged Rings having a Sheet Metal and Air Conditioning Contractors National Association (SMACNA) standard T24 Profile. Thin ... | 10/31/2006 |
| 7107682 | Method for manufacturing tubes and profiles The invention relates to a method for manufacturing tubes and profiles with variable wall thickness over the length. The method comprises the steps of flexible rolling of continuous material strip with variable thickness in the longitudinal direction of the strip ma... | 09/19/2006 |
| 7096702 | Adjustable multi-axial roll former A multi-axial roll-forming apparatus that is configured to be quickly and efficiently modifiable so as to allow the formation of a variety of differently shaped component pieces from a variety of different shaped pieces of material. A variously adjustable roll-formi... | 08/29/2006 |
| 7096704 | Structural body and method for cold rolling A cold rolling method for performing a series of processes including rolling and cutting of a workpiece in succession, wherein tensile forces are applied to the workpiece during processes from the rolling to straightening. To eliminate the processes of anneal... | 08/29/2006 |
| 7024904 | Contour roll former in particular for extruded metal profiles A contour roll former capable of operating with different sets of pairs of roll forming heads depending on the type of extruded profile to be produced. The contour roll former includes pairs of heads mounted on carriages capable of sliding horizontally back and fort... | 04/11/2006 |
| 7004001 | Roll forming apparatus for forming sheet material into multiple shapes A roll forming apparatus includes at least one convertible roller assembly. The convertible roller assembly includes a support plate rotatably mounted on a shaft. The support plate includes at least one roller. The support plate may be toggled by an actuator from a ... | 02/28/2006 |
| 6997026 | Quick change metal stud to hemmed track roll forming system An apparatus and method for selectively forming metal stud and track members from sheet material, the apparatus including a stud forming assembly capable of transforming the sheet material into a stud member as the material exits the stud forming assembly, and a tra... | 02/14/2006 |
| 6904780 | Apparatus for making seamless siding panel A siding system includes panels having a facing element with a convex front face portion. A first connecting portion extending along an upper edge and a second connecting portion at a lower edge is adapted to engage the first connecting portion of an adjacent lower ... | 06/14/2005 |
| 6604397 | Rollforming machine A rollforming machine includes an apparatus for adjusting a forming roll for forming components from materials of different thicknesses. The rollforming machine further includes an apparatus structured and arranged for overbending the component being roll... | 08/12/2003 |
| 6434994 | Roll-forming machine A roll-forming apparatus is provided with a plurality of roll-forming stations adapted to facilitate the formation of either a C-shaped component or a Z-shaped component from a sheet of material. The roll-forming stations have forming rolls that make cont... | 08/20/2002 |
| 6289708 | Apparatus for roll forming purlins and the like from a metal strip An apparatus for roll forming purlins and the like from a metal strip (37) allows the choice between upwards bending and downwards bending by means of two sets of forming rollers (40, 43) arranged on either side of drive rollers (38, 39, 41, 42) feeding t... | 09/18/2001 |
| 6289706 | Circular and oval flanged rings for connecting ducting and method of making A method of making Circular and Oval Flanged Rings, for the connection of thin walled circular and oval ducting, including Circular and Oval Flanged Rings having a Sheet Metal and Air Conditioning Contractors National Association (SMACNA) standard T24 Pro... | 09/18/2001 |
| 6282937 | Corner bead re-shaping tool A tool for reshaping corner bead, which is perforated right angle metal strip used in fabrication of corners in drywall building construction, spreads the legs of 90 degree angle corner bead outwardly to increase the included angle thereof. The bead is ro... | 09/04/2001 |
| 6216514 | Roll-forming machine A roll-forming apparatus is provided with a plurality of roll-forming stations adapted to facilitate the formation of either a C-shaped component or a Z-shaped component from a sheet of material. The roll-forming stations have forming rolls that make cont... | 04/17/2001 |
| 6148654 | Convertible roll forming apparatus A convertible roll forming apparatus for forming flanges on a strip of material in which a roller assembly is supported on a support stand and disposed to move the strip material in a material feed direction. A pivotal support assembly supports a knuckle ... | 11/21/2000 |
| 5983691 | Roll-forming machine A roll-forming apparatus of the type used to form components, such as purlins, having C-shaped and/or Z-shaped cross-sections from sheets of planar material is provided with a plurality of roll-forming stations adapted to form first and second components ... | 11/16/1999 |
| 5946961 | Web bowing apparatus The inventive apparatus allows for bowing a continuous web being advanced axially of its length, about either or both axes that lie parallel to or perpendicular to its length. The parallel axis bowing structures include a plurality of separate stations sp... | 09/07/1999 |
| 5941114 | Rolling apparatus for producing angle from steel strip and method of rolling the angle using the same A rolling system for producing an angle and a rolling method using such rolling system. The rolling system includes a heating apparatus for heating a steel strip while it is running, a universal mill composed of a pair of vertical rolls each having a groo... | 08/24/1999 |
| 5878614 | Finn pass forming device for forming seam welded steel pipes and roller device available for forming seam welded steel pipes of a plurality of sizes In the fin pass forming apparatus, the fin roller is split in two symmetrically with respect to the center line of the flow direction of a steel pipe to be formed, and a plurality of side rollers are arranged on a section perpendicular to the flow directi... | 03/09/1999 |
| 5784911 | Apparatus for manufacturing a welded pipe An apparatus for manufacturing a welded pipe. The apparatus includes a cage or cluster roller molding system. In either case, a rotary axis of each roller is slanted counterclockwise or clockwise with respect to a manufacturing line direction of the appar... | 07/28/1998 |
| 5704243 | Forming method and forming stand for welded pipes The present invention is to provide a forming method and forming stand for forming a welded pipe of high dimensional accuracy on a welded pipe manufacturing line in which a metallic strip of a predetermined width is continuously formed by rolls and then w... | 01/06/1998 |
| 5669260 | Method of manufacturing a c-shaped rail with profiled surfaces A method of manufacturing an elongated rail (12) with a C-shaped cross-section transversely of its elongated direction from a sheet metal strip (1) by bending marginal sections along each elongated side edge (2) of the strip at 90° with respect to the su... | 09/23/1997 |
| 5647241 | Rotary upper roll selector A tube forming machine having at least two upper forming roll members in the breakdown section which may be selectively indexed into cooperative working relation with a lower forming roll member to produce different size tubes without the necessity of phy... | 07/15/1997 |
| 5638715 | Method and apparatus for fabricating high fin density heatsinks A method of forming a high fin density heatsink from a plurality of fins each having a bottom portion of generally bell-bottom shape and a base unit of predetermined thickness having a plurality of grooves therein. The method comprises the steps of placin... | 06/17/1997 |
| 5491998 | Method of making a leaf rejecting rain gutter An improved elongated gutter system for mounting under the edge of a roof of a structure for receiving water run-off in preference to leaves and debris. The gutter system includes a back support wall having a top and a bottom for mounting against a wall o... | 02/20/1996 |
| 5319952 | Roll forming machine A roll forming machine is used for forming material, typically metal strip into various shapes. The machines comprise pairs of forming rolls which are spaced apart along an axis. The profile of the roll pairs progressively change along the axis, so that r... | 06/14/1994 |
| 5315853 | Portable construction frame forming apparatus An apparatus to construct studding for use in various construction enviroments includes a portable trailer platform having first and second roller housings, wherein each housing includes at least one pair of rollers to effect deformation of metallic sheet... | 05/31/1994 |
| 5090227 | Roll forming apparatus A roll forming apparatus comprises a plurality of driving roll stands and a plurality of drivingless roll stands, wherein the drivingless roll forming stand comprises an upper and a lower roll units and side roll units arranged around a central through-ho... | 02/25/1992 |
| 5016459 | Method and guide roll stand for guiding and shaping strip material in a pipe mill A pair of slit type horizontal fin rolls (18) and a pair of vertical side rolls (19) having such a shape as having the conventional vertical side roll (19) formed by contracting its center portion are utilized, and due to the construction in which one set... | 05/21/1991 |
| 4942753 | Process and apparatus for rolling structural shapes In the fabrication of H-piles, I-beams, channels, tees, angles, double-tee structural shapes and similar rolling stock, a first structural shape segment or web is joined to at least one second structural shape segment or flange which may be bent outwardly... | 07/24/1990 |
