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| Number | Title | Issue Date |
| 8061252 | Hole punch element A hole punch device that reduces the force required to create a hole in papers or other sheet media. A punch element of the hole punch device includes a locally sloped or indented floor to create a bend in the sheet media as it is punched to create an enlarged, oval... | 11/22/2011 |
| 7578224 | Punching device and punching die for it The punching die of the invention has a head 22 held by positive engagement. The head 22 is held on the shaft 21 of the die 8 in that by means of plastic deformation, for instance by radial application of pressure, material is positively ... | 08/25/2009 |
| 7343770 | Stamping system for manufacturing high tolerance parts A system and process for stamping parts having tolerances below 1000 nanometers. The inventive system and process is particularly suited for producing optoelectronic parts. The system includes a stamping press and one or a progression of stamping stations for suppor... | 03/18/2008 |
| 7328642 | Hole-punching assembly structure for hole-punching unit A hole-punching assembly comprising a positioning piece, a clamping piece, a plurality of tool holders, two balancing rods and a plurality of hole mountings. Each end of the positioning piece couples to the hole mounting through a balancing rod, the positioning piec... | 02/12/2008 |
| 7270042 | Paper punch apparatus A paper punch apparatus comprising a flange-storing space for storing the flange portion in an elevating unit, an insertion/removal portion for insertably supporting a supporting axis of a bit reception plate in communication with the flange portion, and a bit-recep... | 09/18/2007 |
| 7249551 | Gasket cutter with changeable and reversible dies and punches A gasket cutter with changeable and reversible dies and punches including a body having upper and lower opposed arm members, a cylindrical member slidingly engaged within said upper arm member to be raised and lowered by rotation of a handle attached to the cylindri... | 07/31/2007 |
| 7228776 | Punch assembly A Punch Assembly and the method of use thereof is disclosed. Also disclosed is. The device is designed to be accepted within the chuck of a powder-actuated tool. The device can create a hole in steel decking when the device is shot into the decking by a powder-actua... | 06/12/2007 |
| 7219432 | Stamping and die-cutting tool with a quick mould change design A stamping and die-cutting tool with quick mould change design comprises: a casing and a pushing member. The pushing member has a pushing portion to be fixed at an extended position and a retracted position alternatively after being pressed repeatedly. The pushing m... | 05/22/2007 |
| 7210384 | Slug pulling preventing tooling die A punch and die tooling apparatus commonly used by metal fabricators for creating holes, passages and cavities in metal plate, the die having a unique internal bore which relieves the problem of slug pulling to ensure that a slug punched out of a metal sheet is not ... | 05/01/2007 |
| 7204181 | Reversible floating punch retainer for punch change retainer tool A punch change retainer for positioning a floating punch in a retracted, disengage position and an extended, engage position. The change retainer includes a change retainer body and a punch retainer receiving aperture extending upwardly through the change retainer b... | 04/17/2007 |
| 7194942 | Punch structure A punch includes a base with a base plate mounted thereto and a plurality of punch units are fixedly connected to the base plate by bolts. A plurality of connection holes and connection grooves are defined in the base plate, wherein the connection grooves communicat... | 03/27/2007 |
| 7174821 | Punch for a braced die A punch for attachment to a brace of a braced die has a hollow cutting nose with a leading end for cutting a material to be punched and a trailing end opposite the leading end. A shaft extends from the trailing end of the nose and is sized to pass through an apertur... | 02/13/2007 |
| 7171754 | Blade assembly for double end nibbler tool A blade or punch assembly for double-ended nibbler tools which affords easier removal by in part providing a blade having central portions of a single diameter equal to or slightly less than the composite bore through which it is adapted to extend. ... | 02/06/2007 |
| 7168356 | Adjustable length punch assembly Adjustable length punch assemblies are disclosed. An adjustable length punch assembly in accordance with present invention may be used with a punch press including a tool holder adapted to receive punch assembly and a ram adapted to move longitudinally along a ram a... | 01/30/2007 |
| 7159426 | Quick change assembly for hydroforming punches A punch assembly used with a hydroforming die includes a punch cylinder for mounting to the hydroforming die and having a movable rod. The punch assembly also includes a punch for piercing an opening in a tubular member disposed in the hydroforming die. The punch as... | 01/09/2007 |
| 7156009 | Die device When a retainer collar 77 is rotated with respect to a punch guide 29 in a turnable manner, an upper punch driver 49 which pierces the retainer collar 77 so as to be movable up and down is rotated with respect to the punch guide 29... | 01/02/2007 |
| 7134312 | Die apparatus and die exchanging method in pressing machine Improved die arrangements are provided whereby both an upper die and a lower die can easily be loaded into and unloaded from their respective die holders in a die exchanging operation. An improved die apparatus in a pressing machine in which an upper die set is secu... | 11/14/2006 |
| 7086582 | Sequential punch press with complementary sliding plates A sequential punch press includes an upper die (10), a lower die (90), and an adjusting device (60) in the upper die. The upper die sequentially includes a punch set (20), a punch pad (30), a punch holder (40), and a strippe... | 08/08/2006 |
| 7069765 | Release mechanism for end forming machine A shuttle assembly for use with an end forming machine includes a shuttle and a release mechanism coupled to the shuttle. The shuttle includes a main body, a tool-receiving bore formed in the main body, and a lock mechanism associated with the tool-receiving bore. T... | 07/04/2006 |
| 7051635 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 05/30/2006 |
| 7047858 | Chamfer device for cutting packaging materials A chamfer cutting device for cuffing packaging materials comprises a die and a knife part which has a plurality of knives. The die can be moved toward the knife part in order to carry out a cut. The knives are arranged individually in the knife part in a force-depen... | 05/23/2006 |
| 7036416 | Hole punch quick-change die assembly with pin strap and positioning system Embodiments of an punch machine and a quick-change die assembly are shown and described. The die assembly may be quickly installed and removed from the punch machine, without bolting or unbolting of either machine housing or the die assembly itself. The die assembly... | 05/02/2006 |
| 7032812 | Quick-extraction punch-holder adapter for converting punching machines from a single-punch to a multiple-punch configuration A punching machine comprising at least one punching head including a support body having a first end delimiting a peripheral shoulder, a second end, and at least two parallel seats being angularly spaced from one another and extending through said support body from ... | 04/25/2006 |
| 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 |
| 7007582 | Die device When a retainer collar 77 is rotated with respect to a punch guide 29 in a turnable manner, an upper punch driver 49 which pierces the retainer collar 77 so as to be movable up and down is rotated with respect to the punch guide 29. | 03/07/2006 |
| 7003999 | Deformation on thin walled bodies A thin walled body such as a container (1) is gripped at a holding station and tooling (10) is engaged to deform the wall of the body at a predetermined zone. The predetermined wall zone is co-aligned with the tooling (10) by means of coordinate... | 02/28/2006 |
| 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 |
| 7000523 | Blade holder and support member for perforator A holder and a support member for mounting a blade to a perforator are provided. The holder is composed of a blade, a two-position switching member, and a mounting member. The holder is assembled detachably to the support member along the external shape of the mount... | 02/21/2006 |
| 6959634 | Device for die cutting a stack consisting of sheet-type materials The invention concerns a device for die-cutting a stack of sheet-like materials, particularly labels, whereby the stack is pressed into the die-cutter blade by a relative movement of a punching ram and a hollow cylindrical die-cutter blade. For a device such ... | 11/01/2005 |
| 6925921 | Punch structure A punch includes a base with a base plate mounted thereto and a plurality of punch units are fixedly connected to the base plate by bolts. Each punch unit has a bottom plate and a casing which is connected to the bottom plate so as to define a receiving slot between... | 08/09/2005 |
| 6889588 | Compensating blister die cutter apparatus A compensating blister die cutter apparatus is disclosed which has the purpose of cutting a sheet of blisters which have been formed on a sheet of plastic material in individual blisters which are generally symmetrical in configuration. The apparatus includes at lea... | 05/10/2005 |
| 6880443 | Device for die-cutting a stack consisting of sheet-type materials The invention relates to a device for die cutting a stack consisting of sheet-type materials, in particular labels. According to said method, a movement of a stack to be cut in relation to a hollow cylindrical be pushed into said die-cutter blade. This type of devic... | 04/19/2005 |
| 6799498 | Micro adjuster for paper punch die A micro adjuster laterally moves a paper punch die. A modified fixed bracket with a larger fine-threaded hole is used to retain a hollow micro adjuster screw which is engaged by the fine threads of the bracket. The retaining screw that attaches to the die now does s... | 10/05/2004 |
| 6769339 | Die set pin retainer A die pin retainer subassembly for use in a die assembly that slidably engages with a die punching machine comprises an elongated retainer, which includes at least one hole for receiving a die pin, and an elongated retaining bar disposed over the enlarged head of th... | 08/03/2004 |
| 6755103 | Ball-lock insert assemblies The invention provides a ball-lock insert assembly adapted to be mounted axially in a mount opening formed in a holder plate having a desired thickness. The ball-lock insert assembly comprises an insert body having an axis and an elongated interior recess extending ... | 06/29/2004 |
| 6748839 | Hole punch quick-change die assembly with positioning system Embodiments of an punch machine and a quick-change die assembly are shown and described. The die assembly may be quickly installed and removed from the punch machine, without bolting or unbolting of either machine housing or the die assembly itself. The die assembly... | 06/15/2004 |
| 6725756 | Two-piece metal punch construction An apparatus for providing an improved two-piece punch construction. The two-piece punch construction includes a supporting member and a punch body. The supporting member includes an aperture in which the punch body is accurately located. The supporting member furth... | 04/27/2004 |
| 6679147 | Insertable punch lock A punch retainer system includes one or more punch retainers that are selectively insertable into a retainer block. The punch retainers are dimensioned such that they can be positioned closely together and thereby allow punches to be arranged in a closely... | 01/20/2004 |
| 6651540 | Hole punch quick-change die assembly with pin strap and positioning system Embodiments of an punch machine and a quick-change die assembly are shown and described. The die assembly may be quickly installed and removed from the punch machine, without bolting or unbolting of either machine housing or the die assembly itself. The d... | 11/25/2003 |
| 6626965 | Apparatus for forming die cuts and method of manufacturing same A die cutting block for forming die cuts from paper and other materials includes a base portion having a recess formed therein having a desired shape formed therein, an insert portion having an outer contour which substantially matches the contour of the ... | 09/30/2003 |
