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| Number | Title | Issue Date |
| 6082164 | Method and apparatus for supporting and positioning a workpiece in relation to a machine A method and apparatus for supporting and adjusting the position of a workpiece in relation to a machine are disclosed. The apparatus includes an edge guide against which an edge of the workpiece is placed; and a swinging support structure for (1) support... | 07/04/2000 |
| 6058756 | Bending machine In order to improve a bending machine for flat material, comprising a machine frame, a lower beam with lower beam tool arranged on the machine frame and an upper beam with upper beam tool arranged on the machine frame, these beams being movable relative t... | 05/09/2000 |
| 6038909 | Portable sheet metal brake A sheet bending brake includes a bending member pivotingly associated with the fixed jaw and configurable therewith in at least one of a clamping and pressing arrangement. The bending member includes semicircular-shaped projecting flange elements that are... | 03/21/2000 |
| 6003357 | Sheet metal brake accessory An accessory for a bending brake is secured to the brake only by the clamping force of the brake jaws. A pressing member is rotatably affixed to the base plate which is clamped between the jaws when in operation. A pressing member is attached to the base ... | 12/21/1999 |
| 5996389 | Machining center for processing flat workpieces with a segment distributed hold-down A processing machine for plate-like workpieces, especially a bending machine, which has a strip-like vise holder (5) as a workpiece support for supporting the workpiece (1) to be processed and a hold-down device (3) which is subdivided into individual seg... | 12/07/1999 |
| 5992203 | Coil holder for a sheet bending brake A combined sheet bending brake, coil holder and cut-off mechanism that includes a sheet bending brake having a support base, and elongated fixed and movable clamping members carried by the support base so as to clamp sheet stock extending longitudinally b... | 11/30/1999 |
| 5987949 | Plate scanner--bending device A plate scanner-bending device having a plate bed for receiving a printing plate and a plate driver for moving the printing plate along the plate bed is disclosed. At least one scan sensor is located above the plate bed for scanning an image on the printi... | 11/23/1999 |
| 5970774 | Apparatus and method for corner cutting and edge bending of lithographic plates An apparatus and a method configure lithographic plates by cutting corners and bending edges in preparation for use in web offset printing. The lithographic plate is precisely aligned and immobilized on a support bed, which has bending anvils at opposing ... | 10/26/1999 |
| 5966974 | Automatic learning apparatus for folding machine An automatic learning apparatus for a folding machine which automatically measures a folding angle of a member to be folded in advance and stores driving data for the folding machine with respect to a desired folding angle. Thus, the same member to be fol... | 10/19/1999 |
| 5964119 | Processing machine In order to improve a processing machine for workpieces consisting of flat material, in particular, sheet-metal parts, comprising a work station which is designed as a bending station, in which the workpiece aligned parallel to a bending plane can be clam... | 10/12/1999 |
| 5950479 | Process and apparatus for moving sheet-metal to and from a bending unit In order to optimize a process for the machining of sheet-metal parts in a bending unit of a bending center, in which the sheet-metal parts are transported one after the other from a feed area to the bending unit for the purpose of bending and are thereby... | 09/14/1999 |
| 5934134 | Bending press A bending press comprises an upper frame (6); a blank holding device (103) mounted on the upper frame, for holding a sheet panel on a member opposed to the blank holding device, the blank holding device including a central member (1), two extremity member... | 08/10/1999 |
| 5927135 | Bending machine In order to improve a bending machine comprising a lower beam with a lower beam tool, an upper beam with an upper beam tool, wherein the upper beam tool and the lower beam tool are movable relative to one another for clamping a workpiece, as well as a ben... | 07/27/1999 |
| 5927134 | Bending machine In order to improve a bending machine comprising a bending beam, a first and a second clamping beam for clamping a workpiece, one of which has clamping tool segments arranged so as to be interchangeable, wherein at least one clamping tool segment with a m... | 07/27/1999 |
| 5913931 | Extended length rotary bending and forming devices and methods for manufacture thereof An extended length rotary bending and forming device and method for manufacture thereof, the combination of materials and process steps used in the manufacture resulting in the production of the desired durable long length heavy duty rotary bender.... | 06/22/1999 |
| 5881591 | Automatic channel letter bending machine In a machine for automatically bending a material into the outside skin of a channel letter, a desired configuration of the channel letter is input into a control computer. The computer controls the feed of the strip of metal into the machine for the bend... | 03/16/1999 |
| 5870919 | Folding system for a cutting blade The present invention provides an unified folding system for processing in one work line all working processes needed in cutting and folding a cutting blade in a shape suitable to a sheet matter molding. A cutting blade supplied from a transferring unit o... | 02/16/1999 |
| 5860312 | Bending brake apparatus A bending brake apparatus having a bending brake, an attached foldable table, a coil holder for holding coiled aluminum or coiled vinyl sheet material positioned at an end of the bending brake before the table and facing down the length of the table, buil... | 01/19/1999 |
| 5842369 | Sheet metal bending device with an eccentric member for adjusting the bending cheek A sheet metal bending device comprising a machine frame, a lower cheek, an upper cheek adjustable relative to the lower cheek, and a bending cheek which is pivotable about a pivot axis fixed on the machine frame and whose distance from the pivot axis is a... | 12/01/1998 |
| 5819571 | Apparatus for bending surgical instruments An apparatus that allows a surgeon to bend a surgical instrument such as a phaco-emulsification tip at a surgical site. The apparatus includes a clamp that is mounted to a housing. The clamp may hold a proximal end of a phaco-emulsification tip. The tip i... | 10/13/1998 |
| 5787750 | Folding system for a cutting blade The present invention provides an unified folding system for processing in one work line all working processes needed in cutting and folding a cutting blade in a shape suitable to a sheet matter molding. A cutting blade supplied from a transferring unit o... | 08/04/1998 |
| 5784916 | Thin sheet forming die assembly including a lower die having plural parallel rotating cylindrical members A die assembly includes a forming portion to form a negative angle portion when an upper die is lowered in a straight line to abut a lower die. A cylindrical rotating cam with a groove formed therein in the axial direction is rotatably mounted in the lowe... | 07/28/1998 |
| 5775162 | Method and apparatus for forming sheet metal ducts A closed tube forming apparatus including a base having spaced apart first and second support members; an elongated first die having one end supported by the first support member and an opposite end supported by the second support member, the one end bein... | 07/07/1998 |
| 5775156 | Method and apparatus in a bending machine The invention relates to a method and apparatus for adjusting the width of the bending jaws in a bending machine. The total width (L) of the bending jaws is formed by using jaw parts and edge pieces in the following manner: a first set (R1) is elect... | 07/07/1998 |
| 5761939 | Automatic indexer for a sheet bending brake An automatic indexer a portable sheet bending brake having a first longitudinally extending member forming a clamp surface, a second longitudinally extending member movable with respect to the first member for clamping sheet material against the clamp sur... | 06/09/1998 |
| 5746082 | Thin sheet forming die assembly including lower die cylindrical member having varied diameters A die assembly includes a forming portion to form a negative angle portion when an upper die is lowered in a straight line to abut a lower die. A cylindrical rotating cam with a groove formed therein in the axial direction is rotatably mounted in the lowe... | 05/05/1998 |
| 5743129 | Heavy duty sheet bending brake A sheet bending brake and stabilizing assembly wherein the sheet bending brake alone is constructed and arranged such that when a workpiece is clamped for bending when a person stands on the floor facing the handle means and the handle means is grasped an... | 04/28/1998 |
| 5743128 | Apparatus for bending metal sheet An apparatus for bending metal sheet comprises a frame (1), a stationary lower beam (2) with a lower clamp (5) and a movable upper beam (3) with an upper clamp (6). The clamps each have a clamping face for clamping a metal sheet in a working position. The... | 04/28/1998 |
| 5715722 | Portable sheet metal brake system A new Portable Sheet Metal Brake System for facilitating bending of metal, more particularly sheet metal, at various angles up to ninety degrees in a simple, controlled, and accurate procedure while compact enough to be transported to remote working locat... | 02/10/1998 |
| 5706692 | Combined portable sheet bending brake, coil holder and cut-off mechanism A combined sheet bending brake, coil holder and cut-off mechanism that includes a sheet bending brake having a support base, and elongated fixed and movable clamping members carried by the support base so as to clamp sheet stock extending longitudinally b... | 01/13/1998 |
| 5706693 | Combined sheet bending brake and cutter A portable sheet bending brake comprising a base and a plurality of C-shaped members positioned on the base. Each C-shaped member comprises a lower arm fixed to the base and an upper arm spaced from and overlying the lower arm. A first member is fixed to ... | 01/13/1998 |
| 5694801 | Bending press system A bending apparatus includes: an upper bending die 63U for downward bending both ends of the plate material gripped between upper and lower plates 59U and 59L provided on upper and lower frames 35U and 35L, respectively and a lower bending die 63L for upw... | 12/09/1997 |
| 5642639 | Blank holder having variable assembly A blank holder having variable assembly is used in a folding machine for the production of a sheet panel. It comprises a central element (3), a plurality of additional elements (6), a pair of expander elements (4), two extremity members (7), at least one ... | 07/01/1997 |
| 5630336 | Bending brake The new bending brake comprises three basic assemblies, namely a base assembly having an upward brake surface, a cover assembly having a downward brake surface above the base assembly, and an apron assembly pivotally hinged to the base assembly and having... | 05/20/1997 |
| 5603236 | Sheet material bending angle detector, and operation method of press machine using the detector A device for measuring a bending angle of a bent sheet material including a bending angle detector including first and second links arranged symmetrically relative to each other and pivotally connected with each other at one end thereof, a support mechani... | 02/18/1997 |
| 5582053 | Combined portable sheet bending brake and cutter A portable sheet bending brake comprising a base and a plurality of C-shaped members positioned on the base. Each C-shaped member comprises a lower arm fixed to the base and an upper arm spaced from and overlying the lower arm. A first member is fixed to ... | 12/10/1996 |
| 5582055 | Heavy duty sheet bending brake A sheet bending brake comprising a first longitudinally extending member having a clamping surface, a clamping member having a member movable toward and away from the clamping surface for holding a workpiece in position for bending and a second member ext... | 12/10/1996 |
| 5575169 | Sheet metal bending tool and method for accomplishing the same A sheet metal bending tool including a base defining a work area, a confronting member mounted on the base adjacent the work area for biasing a portion of the sheet metal against the base, and a bending member rotatably mounted to the base and spaced from... | 11/19/1996 |
| 5505069 | Sheet bending brake A sheet bending brake comprises a first longitudinally extending member having a clamping surface and a second member for bending a workpiece clamped on said clamping surface extending longitudinally with respect to said first member. Each of the first an... | 04/09/1996 |
| 5502993 | Method of and apparatus for punching and bending a lithographic plate Apparatus for bending a lithographic plate having an image thereon, comprising an inspection system for (a) inspecting a plate held on a table at an inspection station, (b) determining the extent to which the plate needs to be adjusted relative to a prede... | 04/02/1996 |
