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| Number | Title | Issue Date |
| 8146398 | Crust bending apparatus A crust bending apparatus includes a positioning assembling and a bending assembly. The positioning assembly includes a conveyance cylinder, a conveyance block, a positioning cylinder, a positioning rod, a positioning block, a holding cylinder, a holding rod, and a ... | 04/03/2012 |
| 7258030 | Failsafe element for rotary cam unit used in a flanged die A rotary cam assembly for a bending die includes first and second arms pivotally attached to an actuator. Linear movement of the actuator causes rotation of the rotary cam relative to a bending cam. A rotatable element is supported between the first and second arms ... | 08/21/2007 |
| 7134309 | Pre-hemming apparatus A pre-hemming apparatus for use with a hemming die includes a driving member adapted to be centrally disposed below the hemming die. A plurality of link arms are operatively, pivotally connected to the driving member. A lever arm is operatively connected to each lin... | 11/14/2006 |
| 7114360 | Plate bending machine A plate bending machine for bending a plate clamped between a lower die and a pressure die by a blade of a bending die mounted on a bend beam which is controlled in the vertical and horizontal directions. The bend beam has a vertical cross-section of substantially C... | 10/03/2006 |
| 7100418 | Metal shaping apparatus A metal shaping apparatus to shape a metal blank into one of a plurality of configurations comprising a radius die including at least one substantially cylindrical die section having a plurality of metal blank receiving channels or slots formed therein to receive an... | 09/05/2006 |
| 7055355 | Method and device for bending elements, such as panels, metal sheet, plates or suchlike Method and device for bending a portion of an element in a bending machine (12) comprising a bending assembly (14), a supporting plane (18) and an electronic processing unit (32), wherein the bending process is filmed and displayed on a s... | 06/06/2006 |
| 6959474 | Nest and hold station for the joining of sheet materials A system and method for joining two articles together is disclosed. The nest and hold station of the present invention includes a positive alignment system which comprises two or more upper arms extending from the upper nest member and a like number of lower coopera... | 11/01/2005 |
| 6739168 | Hemming device and hemming method A C-shaped frame is movable in a direction in which the C-shaped frame is adjacent to and away from a workpiece having an outer panel and an inner panel assembled with each other. After the C-shaped frame is advanced and a pre-hemming punch is advanced by a swing cy... | 05/25/2004 |
| 6640600 | Bending device A bending device has one or more bending tools and each bending tool has one or more adjustable bending jaws and one or more stationary bending jaws for producing a fold on a sheet metal plate. The adjustable bending jaw is pivotably supported on the stat... | 11/04/2003 |
| 6612146 | Hemming machine with movable die cartridges A hemming machine having a stationary base and defining a work station. A lifting beam is vertically movably mounted to the base at the work station while a motor assembly moves the lifting beam between a raised and a lowered position. Two die cartridges,... | 09/02/2003 |
| 6508099 | Hemming machine A hemming machine is disclosed having a base, a nest adapted to support a part to be hemmed, a nest carrier which supports the nest and in which both the nest and nest carrier are vertically movably mounted to the base. At least one hemming die is lateral... | 01/21/2003 |
| 6487888 | Hemming machine A hemming machine is disclosed having a base, a nest adapted to support a part to be hemmed, a nest carrier which supports the nest and in which both the nest and nest carrier are vertically movably mounted to the base. At least one hemming die is lateral... | 12/03/2002 |
| 6477881 | Modular system for seaming metal sheets A modular system for seaming and a headstock to perform it, that has a structure, a table (2) and a cradle (1) on which the parts to be machined are supported. It includes a slide that moves in a linear manner (6) and that includes the tools, which are mo... | 11/12/2002 |
| 6477880 | Flanging device with pressing and clamping elements A flanging or hemming device (1) is provided with an external flanging unit (6) and/or an internal flanging unit (7) as well as a clamping device (3). The clamping device (3) has one or more leading pressing and clamping elements (71) which are movable or... | 11/12/2002 |
| 6470727 | Bending and squeezing blade for sheet metal bending and squeezing machine and machine utilizing the aforesaid blade There is described a new bending and squeezing blade for sheet metal bending machine. The blade comprises a bending tooth provided with a head surface that is suitable to engage the edge of a sheet metal to carry out its bending at 90° and with a foot su... | 10/29/2002 |
| 6446478 | Two-stage hemming machine with movable dies A two-stage hemming machine has a centrally located press station with an anvil extendable along a vertical axis, and a loading station and an unloading station located on opposite sides of the press station. Separate first and second dies slide on horizo... | 09/10/2002 |
| 6363766 | Double function bending blade for sheet metal bending machine There is described a new bending blade for sheet metal bending machine, that in order to allow the bending of the sheet metal both upward and downward comprises two bending teeth extending from a single body of blade in directions orthogonal to each other... | 04/02/2002 |
| 6314784 | Modular system for seaming metal sheets A modular system for seaming and a headstock to perform it, that has a structure, a table (2) and a cradle (1) on which the parts to be machined are supported. It includes a slide that moves in a linear manner (6) and that includes the tools, which are mo... | 11/13/2001 |
| 6314783 | Electromechanical hemming apparatus and method A hemming apparatus comprises a main die configured to supports panels to be hemmed together. The main die is raised and lowered between a home position and a hemming position by a drive using a fixed cam and a moveable cam. The apparatus also includes a ... | 11/13/2001 |
| 6305208 | Edging device An edging device or hemming device is disclosed with a machine frame (1), an edging bed (2) which is positioned inside said frame where it is raised and lowered with an edging lift and/or a displacement lift. A plurality of edging jaws are provided, which... | 10/23/2001 |
| 6227028 | Device for adapting the size of a machine tool jaw A device that includes a frame equipped with guiding means, blank holder modules to be moved along the guiding means, means for blocking independently each blank holder module in a specific position, a magazine of end modules located near each end of the ... | 05/08/2001 |
| 6196041 | Sheet-metal bending press Guide means interposed between a blade-holder (20) and the frame (12) of a bending press comprise a slide (40) slidable along an axis (Z) perpendicular to the plane of the metal sheet (P) to be bent. The blade-holder (20) is coupled to the slide (40) so a... | 03/06/2001 |
| 6189360 | Metal forming machine A metal forming machine includes a moveable central pillar, a slidable blade assembly mounted to the pillar for reciprocating movement therewith, and a fixed slide plate mounted to a stationary block secured to the pillar. A moveable or slideable blade ho... | 02/20/2001 |
| 6182492 | Hemming machine A hemming machine of the type having a base, a nest for supporting a sheet metal part to be hemmed, and at least one die is disclosed in which the nest supporting the part to be hemmed is vertically displaced against the dies in order to form the hem. The... | 02/06/2001 |
| 6170315 | Bending press for making channel-shaped bends in the edges of a sheet-metal panel The movable blank-holder (16) of a bending press comprises a series of sections (26, 28) and a pair of motor-driven carriages (42) each of which has an entraining member (44) which can selectively engage and release the sections (26, 28) in order to move ... | 01/09/2001 |
| 6098440 | Device for hemming of sheet metals particularly of coachwork sheet metals for small-lot production series in automobile manufacture A device for hemming of sheet metals, particularly of coachwork sheet metals for small-lot production series in automobile manufacture is disclosed. A ram with a superimposed hemming bed is arranged in a base rack presses the sheet metals to be hemmed aga... | 08/08/2000 |
| 6089074 | Press The press comprises a first generally-horizontal link (L1) below a second generally-horizontal link (L2). A third link (L3) extends down from the second link to the first link and carried a press tool (70) with a generally downwardly facing working surfac... | 07/18/2000 |
| 6029493 | Device for hemming of sheet metals, particularly of coachwork sheet metals in automobile manufacture A device for hemming of sheet metals, particularly of coachwork sheet metals in automobile manufacture, wherein a driven ram with superposed hemming bed arranged in a base rack presses the sheet metals to be hemmed against stationary hemming tools. The wo... | 02/29/2000 |
| 5979208 | Inside perimeter hemmer An apparatus constructed to be received within an interior opening of a sheet metal panels to form a pre-hem and a complete hem about the periphery of the opening with a plurality of generally radially outwardly movable hemming plates or steels which are ... | 11/09/1999 |
| 5934133 | 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... | 08/10/1999 |
| 5868024 | Bending press for making channel-shaped bends in the four edges of a sheet-metal panel The bending press is of the type comprising a movable blank-holder formed by a series of sections in which two spaced-apart sections are in the form of shoes (34) with projections (36) pointing in opposite direction so that each can be engaged in a channe... | 02/09/1999 |
| 5802906 | Machine used for folding, profiling and cutting metal sheets Machine used for folding, profiling and cutting metal sheets includes a fixed support structure (1) holding a lower presser element (3), on which the sheet (4) rests, and an associated upper mobile presser element (5). Together, the presser elements (3, 5... | 09/08/1998 |
| 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 |
| 5740691 | Hemming machine A press is described for prehemming and final hemming the internal periphery of an aperture in sheet material received on an anvil (10) on which the sheet material (12) is held down so that the upturned edge (14) of the aperture which is to be hemmed is s... | 04/21/1998 |
| 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 |
| 5454261 | Hemming machine and method of operation A hemming machine and method of operating the machine is presented in which a work supporting anvil is vertically positioned and driven in an impact stroke by an electric servo motor. A compound flanging and hemming die is mounted on a carriage for horizo... | 10/03/1995 |
| 5381681 | Machine with an adjusting device located in a movable machine part A machine and method for adjustment of the tooling of a forming machine while continuously operating such machine. The adjusting device being located in a movable or stationary machine part, such as the upper tool part. A measuring device for measuring th... | 01/17/1995 |
| 5343727 | Panel bender A panel bender which can remarkably improve productivity in a bending process, and can feed in and out works having different widths with a single conveyer without causing interference between a main body and the conveyer has a construction in which a plu... | 09/06/1994 |
| 5341666 | Device for handling the blades of a press for bending sheets A device for moving blades of a press used for bending sheets, has blades supported and placed in motion by a bending block which is movable in the vertical direction with respect to two counter blades with the sheet to be bent being placed between the tw... | 08/30/1994 |
| 5313814 | Bending machine A bending machine, capable of accurately bending a workpiece to a desired angle while protecting the workpiece from damage, comprises an upper die fastened to a ram, which is movable vertically and acts in cooperation with a stationary table to fix a work... | 05/24/1994 |
