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| Number | Title | Issue Date |
| 7343774 | Comb system for tool spacers The invention relates to a system for fixing a bending tool (34), said tool comprising a retaining groove (38). The system comprises a clamping body (12) able to collaborate with one of the fixing surfaces of the tool and a tool clamp ( | 03/18/2008 |
| 7308817 | Push plate tool holder for press brakes Press brake tool holders suitable for releasing and securing press brake tools are provided. Provided in certain embodiments are a press brake tool holder and press brake tool, in combination. Methods of using press brake tool holders as well as press brake tool hol... | 12/18/2007 |
| 7296457 | Thermally-actuated press brake tool holder technology The invention provides press brake technology. In more detail, the invention involves a press brake tool holder having a thermally-responsive actuator. In certain embodiments, the actuator comprises a thermally-expandable polymer and/or a shape-memory alloy. ... | 11/20/2007 |
| 7159439 | Automatic control of intermediate pieces in a bending press The invention relates to a bending press comprising a bottom panel, a moving top panel, N bending-tool clamps, each clamp being mounted to pivot about a common axis, and means for causing the clamps to pivot. The means for causing the clamps to pivot comprise: ... | 01/09/2007 |
| 7152453 | Press brake tool and tool holder A press brake tool and tool holder. The tool has a body terminating downwardly in a workpiece-engaging surface and a tang extending upwardly from the body and adapted for reception in a tool holder, the tang having a first wall defining a vertical surface and a seco... | 12/26/2006 |
| 7100414 | Adjustable cam assembly for mounting a pressure die to a pipe bending machine A cam assembly for mounting a pressure die to the arm of a standard pipe bending machine. The assembly comprises a base with a pivot post extending upwardly therefrom. A cam shaft has an off-center opening adapted to receive the pivot post. A pivot assembly is combi... | 09/05/2006 |
| 7096708 | Fixing system for mounting and dismounting a bending tool A fixing system for mounting and dismounting a bending tool relative to the top panel of a bending press, in which the bending tool is held clamped between a first clamping surface of a tool spacer and a pivotally-mounted clamp including a second clamping surface. T... | 08/29/2006 |
| 7024915 | Tool holder unit for bending brakes A toolholder unit for sheet metal bending brakes, comprising a bar to be associated with a fixed or movable part of the brake, and provided with at least one recess forming with a jaw associated therewith a groove to receive the shank of the tool, there being provid... | 04/11/2006 |
| 7021116 | Press brake tooling technology The invention provides press brake and press brake tooling technology. Certain embodiments of the invention provide a press brake tool that has an elongated, retractable safety key. In certain embodiments, the invention provides click-in/slide-out press brake tools.... | 04/04/2006 |
| 7004008 | Press brake tool having lockable safety key A press brake tool that is adapted to be mounted in a tool holder. The tool has a lockable safety key that is moveable between an extended position and a retracted position. The press brake tool has a lock that is operatively coupled to the safety key and is movable... | 02/28/2006 |
| 6928852 | Combination of a press brake clamping system and at least a press brake tool The invention relates to a combination of a press brake tool and a press brake clamping system for pressing the press brake tool in a press direction, said press brake clamping system comprising: at least one clamp for clamping sai... | 08/16/2005 |
| 6848291 | Press brake tool and tool holder A press brake tool and tool holder. The tool is provided having a body that terminates downwardly in a work piece engaging surface and that includes a tang extending upwardly from the body for reception in a tool holder. The tang has a first wall defining a vertical... | 02/01/2005 |
| 6658913 | Multistage metal-forming machine tool having tool combination blocks In a multistage forming machine, an apron is screwed to a press slide. At its upper end, the apron has six elongated clamping cams, distributed over its width, while four upwardly projecting clamping lugs are fitted at is lower end. Suspended in the apron... | 12/09/2003 |
| 6644090 | Safety tool for supporting and holding at least one interchangeable utensil, particularly on a press-bending machine Safety tool for supporting and holding an interchangeable utensil, which includes a holding clip, hinged to the utensil support body joined to the beam, the said clip being pushed on one side, while on the other side there are teeth facing the utensil sup... | 11/11/2003 |
| 6606896 | Tool support and locking device in sheet metal bending brakes The bending brake comprises an intermediate member (10) fixed to the upper toolplate of the brake, and at least one jaw (20) connected to the intermediate member (10) and rotatable about a horizontal axis (R) parallel to the longitudinal axis of the inter... | 08/19/2003 |
| 6564611 | Hydraulic press brake tool holder Press brake tool holders suitable for releasing and securing press brake tools in response to applied fluid pressure. One press brake tool holder includes a horizontally elongated body having a cam shaft bore disposed longitudinally therethrough, and rece... | 05/20/2003 |
| 6450004 | Press brake punch holder A press brake punch holder provides a single actuation assembly to apply symmetrically opposed, lateral forces to a series of otherwise independent punch clamps for securing a corresponding series of punches within the clamps. The clamps are each pivotall... | 09/17/2002 |
| 6334288 | Apparatus for printing, cutting, cropping of blister packs obtained from a blister band In an apparatus mounted on an automatic machine for packaging articles into blister packs, a working station (A) applies numeric codes to a blister band and a scoring station (B) equipped with scoring members (20), traces scoring lines on the blister band... | 01/01/2002 |
| 6138492 | Tool holder for press brakes A tool holder for securely holding a forming tool in its intended position on a press brake. The tool holder includes a tool holder plate having first and second receiving surfaces oriented to respectively engage first and second mounting surfaces of a pr... | 10/31/2000 |
| 6003360 | Press brake tool holder A press brake tool holder having a horizontally elongated body having a support plate, and a horizontally elongated clamp having upper and lower portions and pivotally attached to the body between the upper and lower portions so as to capture between it a... | 12/21/1999 |
| 6000273 | Press brake punch holder The press brake punch holder has a main housing adapted for attachment to the ram of a press brake. A pair of mating wedge strips are disposed within the housing, the lower wedge strip being slidable with respect to the upper wedge strip. A U-shaped chann... | 12/14/1999 |
| 5619885 | Upper tool holder apparatus for press brake and method of holding the upper tool In an upper tool for a press brake clamped between a support plate (7) of an upper tool holder body (5) attached to a lower portion of an upper table (3) and an upper tool clamp member (11), the upper tool (9) is formed with an inclined surface (9S) narro... | 04/15/1997 |
| 5572900 | Reduced recoil bucking bar The invention provides a reduced recoil bucking bar and corresponding methods for forming joints with rivets. The bucking bar includes a housing and a driven member movable with respect to the housing. The worker using the bar holds it with the driven mem... | 11/12/1996 |
| 5040405 | Tube expander The present invention relates to a tube expander having a reciprocating member for selectively reciprocating a plurality of mandrels for expanding tubes. Each mandrel includes a bullet, having a diameter which is larger than the inner diameter of the tube... | 08/20/1991 |
| 5033283 | Press ram A press ram (6) is coupled to an applicator ram (20) to drive it, by means of a claw (54) which engages beneath an adaptor head (34) on the applicator ram (20). The claw (54) is formed on a slide (46) which is vertically shiftable in a guideway (42) in th... | 07/23/1991 |
| 4836009 | Upper tool support for a stamping machine or the like An upper tool support (4) for a stamping machine or the like has at least two stamping tools (5) adjacently located. Each stamping tool (5) preferably includes a punch (7), a punch support (8) and a retaining nut (9) connecting the punch (7) with the punc... | 06/06/1989 |
| 4827758 | Upper tool support for a stamping machine or the like An upper tool support (4) for a stamping machine or the like has at least one or several stamping tools (5) adjacently located. Each stamping tool (5) has a punch (7) a punch support (8) and a retaining nut (9) connecting the punch (7), with the punch sup... | 05/09/1989 |
| 4665733 | Die clamp A die clamp arrangement for a press has a clamping lever that is shifted horizontally by a dog between an extended and a retracted position and rotated in a vertical plane between a clamping position and a released position. The cam and dog are interconne... | 05/19/1987 |
| 4602497 | Die clamping arrangement A die is clamped to the bolster plate of a press by means of clamps around the sides of the die. Each clamp is operated by a rotatable shaft which extends from the clamp to the front side of the press. The operating shafts for the clamps at the rear side ... | 07/29/1986 |
| 4590788 | Die clamp A die clamp adapted to be firmly mounted in a press has a body on which a clamping lever is rockably supported. The lever is rocked to and from a die clamping position by a rotatable cam. A screw connected to the cam by a link is shifted axially by rotati... | 05/27/1986 |
| 4408522 | Device for securing dies A device for securing dies on a die mount is disclosed, which includes a plurality of first and second clamps which are tiltably mounted on a die mount and a camshaft extends through openings in the clamps and serves to secure the dies.... | 10/11/1983 |
| 4142398 | Quick-change system for progressive die tooling A quick-change system for expediting installation of changes of progressive die tooling on single-acting presses having high slide/bed parallelism and slide-guide accuracy comprising tooling lanes having laterally-projecting tenons cooperating with lock m... | 03/06/1979 |
