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| Number | Title | Issue Date |
| 7331109 | Electric cutting device An electric cutting device includes a housing, a motor, an activation button, a first assembly, a second assembly, two connecting rods, two connecting rods and a cutting assembly. The activation button may be used to activate the motor. The motor is connected with a... | 02/19/2008 |
| 7111482 | Punch assembly for hydroforming die A punch assembly for a hydroforming die includes a servo motor, a ball screw connected to the servo motor, and a ball nut disposed about the ball screw for movement along the ball screw. The punch assembly also includes a link mechanism connected to the ball nut and... | 09/26/2006 |
| 7111541 | Cutting device A cutting device includes a cutter rod, and a movable cutting tool of a length greater than the diameter of the cutter rod. The movable cutting tool is prevented from cracking and breaking. A movable cutting tool (7) has protruding parts (7b | 09/26/2006 |
| 7080585 | Hold-down clamp for slitter-punch A clamping arrangement is provided for a slitter and/or hole punch for a plastic film processing machine. The punch can be unitarily formed on a base member, and mounted on a block that is affixed to the end of an actuator rod. A double-acting pneumatic cylinder act... | 07/25/2006 |
| 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 |
| 7028597 | Perforating apparatus with fine setting In a perforating apparatus which has a holder to which a perforating blade can be fastened, the perforation is produced via the movement of a piston by the piston pressing against an air cushion, which in turn transmits this pressure to a perforating piston which pr... | 04/18/2006 |
| 6994009 | Powered pipe cutter The powered pipe cutter and the pipe flaring tool both have a piston slidably mounted in a cylinder. The cylinder has a top end closed by a top end plug. A crimped cartridge bore in the top end plug communicates with a gas expansion chamber. A bolt and firing pin as... | 02/07/2006 |
| 6994003 | Load cell deflasher assembly and method A load cell deflasher for the punch and die deflash processing of product from an extrusion includes a load cell pressure transducer interconnected with a punch to sense pressure measurements of the punch against the extrusion at the die and communicate the measurem... | 02/07/2006 |
| 6990879 | Drain line re-perforator device A drain line re-perforator device for punching holes in clogged drain pipe sections in a sewage disposal system is provided. The re-perforator device includes an outer cylindrically-shaped housing member and a dual-actuating ram assembly disposed concentrically with... | 01/31/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6964225 | Press A press, especially a precision cutting press, for producing precision cut parts from a metal strip or a preform by means of a tool, which is fixed to a top tool clamping plate and a bottom tool clamping plate, wherein a tappet is allocated to one of the tool clampi... | 11/15/2005 |
| 6945152 | Automated blind cutting machine The present invention is a method and apparatus for automatically cutting a blind. The blind cutting apparatus comprises a framework, a die assembly, a cutting assembly, a clamp assembly, a blind support base, an integral measuring assembly, an electrical control as... | 09/20/2005 |
| 6920821 | Device and method for controlling stop of hydraulic press and device and method for detecting trouble of speed selector valve A rod pressure holding instruction section controls a servo motor to rotate a two-way pump in a counter direction, and to supply hydraulic oil, with pressure which does not exceed pressure from a weight of a ram, to a two-way pump-side piping, increasing pressure. A... | 07/26/2005 |
| 6763753 | Hydraulic wireline cutter A combination tool for attaching to a stuck wireline tool, then cutting the wireline just above the stuck tool with a hydraulically driven cutter, allowing the wireline to be pulled out of the hole before fishing out the stuck tool. A side door can be provided on th... | 07/20/2004 |
| 6755106 | 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 such a device, it is ... | 06/29/2004 |
| 6722245 | Punching unit There will be provided a punching unit capable of reliably drawing a punch out of the workpiece, improving the productivity and without deteriorating the boring precision even for a workpiece which easily spreads, and preventing leavings rising. A stripper plates wh... | 04/20/2004 |
| 6688205 | High speed cutting assembly The invention relates to a cutting assembly for use in thin and ultrathin web winding stations. It also relates to a method for cutting a web using this cutting assembly. According to the invention, the web (1) is cut by a blade (30) with a cutting edge t... | 02/10/2004 |
| 6658972 | Full force web severer A first given pressure is provided to a first side of an air pressure cylinder that in turn drives a cutting member under the influence of the first given pressure. A second given pressure is provided to a second side of the air pressure cylinder that is ... | 12/09/2003 |
| 6487949 | Just-in-time bulk rubber bale processor A bale processor for cutting or dicing a bale or slab of unvulcanized rubber produces small cubes or blocks of a predetermined size and uniform shape for continuous feeding at a predetermined rate into a mixing machine or blender. A bale or slab of feedst... | 12/03/2002 |
| 6415698 | Apparatus for cutting wafer sandwiches An apparatus for cutting a wafer sandwich into a plurality of rectangular pieces has a support surface defining a transport path extending longitudinally through a longitudinal-cutting station and a transverse-cutting station. A plurality of stationary an... | 07/09/2002 |
| 6408726 | Sheet metal work center with a movable lower die operative as a stopper and an upwards forming tool The invention relates to a sheet metal work center whose lower tool is mounted in a transfer device which is movable in the vertical direction in relation to the body in a way that the lower tool can optionally be moved by the transfer device to at least ... | 06/25/2002 |
| 6293175 | Web cut-off device A web cut-off device including a frame defining a piston chamber, a piston movable in the piston chamber, a cutter blade attached to the piston such that upon movement of the piston in a first direction, the cutter blade is adapted to engage and cut a web... | 09/25/2001 |
| 6287189 | Apparatus for cutting sausage links A link cutting apparatus for cutting a twist between two links. The apparatus includes a link aligning device and a trimming device. The link aligning device is movable between a disengaged position and an engaged position where the device will engage a l... | 09/11/2001 |
| 6257113 | Apparatus for manufacturing tire sectors, interconnected in the area of the tire cap from a tire An apparatus for the production of tire sectors from used tires wherein the tire sectors remain interconnected in the area of the tire tread. The apparatus comprises a support with at least a portion inserted within the inner section of the tire and the s... | 07/10/2001 |
| 6240818 | Precision blanking press with knife-edged ring and counter cylinder The press slide of a hydraulically or mechanically driven precision blanking press is non-positively connected with a crosshead by means of columns. The knife-edged ring cylinder is integrated in the crosshead and the supporting force of the knife-edged r... | 06/05/2001 |
| 6220138 | Punch press A punch press, adapted to receive a punch tool having a passage for discharging a fluid for ejecting slugs punched out during the punching process, includes a movable ram means for striking the punch, the ram means having a bottom dead position and includ... | 04/24/2001 |
| 6178804 | Top die raising and lowering guide mechanism for punching, pressing, and shearing machines An improved top die raising and lowering guide mechanism for punching, pressing, and shearing machines having three hydraulic cylinder sets installed in a triangular configuration and, furthermore, three piston rod sets conjoined to an attachment mount to... | 01/30/2001 |
| 6176165 | Device for feeding pieces of strip material to a picking station Device (1) for feeding pieces of strip material (P) to a picking station (6), including a strip feeding unit (3), a cutting unit (4), and a conveying group (5) of the pieces of strip (P) comprising a duct (13b) extending between the cutting unit (4) and t... | 01/23/2001 |
| 6158313 | Process for conveying thick matter containing preshredded scrap metal or similar solids Thick matter and solids are conveyed together and substantially continuously through a conveyor pipeline. The thick matter is forced by a conveyor piston driven by a piston pump from a feed container into a conveyer cylinder. A forward face of the piston ... | 12/12/2000 |
| 6131497 | Gas cylinder with time delay A die stamping system in which an upper die moves downwardly toward and upward away from a lower die to stamp a workpiece, and in which a portion of the lower die is supported by at least one gas cylinder coupled to gas under pressure to cushion downward ... | 10/17/2000 |
| 6079306 | Cutting-off machine for a venetian blind A cutting-off machine includes a fastening device including a headrail positioning base fixedly mounted on a top wall of a working table and containing a first guiding groove for passage of a headrail, a slat positioning base fixedly mounted on the top wa... | 06/27/2000 |
| 6058821 | Suture cutting system Apparatus for cutting an indefinite length suture to uniform lengths for subsequent threading and swaging to surgical needles includes a drawing tower having first and second guide members defining a drawing axis parallel thereto. First and second gripper... | 05/09/2000 |
| 6041683 | System for adjusting the rotation speed of a cross-cutting saw of a tree handling machine, especially grapple harvester An apparatus for adjusting the rotation speed of a cross-cutting saw of a tree handling machine, especially grapple harvester is provided. The apparatus is arranged to control a hydraulic cylinder connected to the guide bar of the cross-cutting saw in a p... | 03/28/2000 |
| 5996456 | Punching apparatus An apparatus for punching transversely throughgoing coaxial holes in spaced walls of a workpiece has a holder supporting the workpiece and an outer tool part formed with a pair of transverse bores and displaceable between an advanced position engaged over... | 12/07/1999 |
| 5988028 | Process for conveying thick matter containing preshredded scrap metal or similar solids Thick matter and solids are conveyed together and substantially continuously through a conveyor pipeline. The thick matter is forced by a conveyor piston driven by a piston pump from a feed container into a conveyer cylinder. A forward face of the piston ... | 11/23/1999 |
| 5974926 | Shear assembly for use with a punch press for cutting L sectioned steel strips A shear assembly to be replaceably installed in a portable, hydraulic punch press for cutting L sectioned steel strips at, typically, 45 degrees preparatory to combining them into rectangular frames at sites of construction. The shear assembly comprises a... | 11/02/1999 |
| 5976453 | Device and process for expanding strand material An expanding device for expanding strand material into a wool-type product includes outer and internal nozzle sections. The outer nozzle section has an entrance portion, an intermediate portion and an exit portion. At least a portion of the internal nozzl... | 11/02/1999 |
| 5927172 | Venetian blind cutting machine Disclosed is a venetian blind cutting machine including a worktable on which a cylinder, multiple dies, a limiting mechanism, and a cutting tool connected to an output end of the cylinder are arranged. A die holder is fixed onto the worktable to hold sele... | 07/27/1999 |
| 5896796 | Device for punching holes in a bicycle rim A device for punching holes in a bicycle rim includes a flange extending radially from a base, the flange having a plurality of rails disposed thereon each for a puncher slidably disposed thereon. Each of the punchers has a first block and a second block ... | 04/27/1999 |
| 5875629 | Return valve for a hydraulic system A portable one-hand-operable, hydraulic punching machine is disclosed which comprises at least two pumps driven by an electric motor, and a single-acting, spring-return cylinder driven by one of the pumps for a variety of punching operations such as cutti... | 03/02/1999 |
