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| Number | Title | Issue Date |
| 7488167 | Closing unit for an injection molding machine with stack mold A closing unit for an injection molding machine includes first and second platens, of which at least one is movable, and an intermediate plate disposed between the first and second platens. A molding tool is disposed between one of the first and second platens and t... | 02/10/2009 |
| 7484948 | Injection molding machine with vertical plasticizing unit An injection molding machine includes a clamping unit constructed for support of at least two molding tools to provide at least two different cavities. A first plasticizing unit is provided for charging one of the cavities in one of the molding tools, and a second p... | 02/03/2009 |
| 7426843 | Roll assembly for a pipe extrusion plant A roll assembly and a pipe extrusion plant for producing pipes with a variable diameter, includes an extruder, an adjustable calibration device, and a cooling device, whereby a pipe to be produced is guided at least in part during the production process. In order to... | 09/23/2008 |
| 7425123 | Hydraulic mold clamping unit A hydraulic mold clamping unit, in particular for an injection molding machines or a press, includes a fixed lower platen and an upper plated which is moved by an open-close mechanism in a vertical direction. The open-close mechanism includes at least one hydraulic ... | 09/16/2008 |
| 7399441 | Clamping unit with a platen hydrostatically supported on a frame element A clamping unit, particularly for an injection molding machine, includes at least one moving platen which is moveably arranged on a frame element. At least one hydrostatic support is provided in an area between the platen and the frame element for facilitating back ... | 07/15/2008 |
| 7372220 | Extrusion plant with synchronized drive units, and method of synchronization of drive units In a method for synchronizing drive units, a target value of the speed of each drive unit of a plurality of drive units speed is computed by determining the product of a maximum speed of the drive unit, a unit-dependent normalized ratio value of the drive unit, and ... | 05/13/2008 |
| 7357630 | Calibration device A calibration device for calibrating extruded continuous profiles, in particular tubes, includes a housing and a plurality of segment bodies which are received in the housing in a substantially in circular manner, with axially neighboring segment bodies partially ov... | 04/15/2008 |
| 7314362 | Horizontal injection molding machine with turning device A horizontal injection molding machine includes a machine bed defining a longitudinal axis and two mold platens supported on the machine bed for movement in a direction of the longitudinal axis, whereby each of the mold platens carries a half-mold. Further provided ... | 01/01/2008 |
| 7306445 | Mold closing device for an injection molding machine A mold closing device of an injection molding machine for producing plastic parts made of two or more plastic components includes a central mold carrier element which is arranged between two outer mold mounting plates and has two or four opposing mold mounting areas... | 12/11/2007 |
| 7293975 | Calibration device A calibration device for calibrating extruded continuous profiles includes successively arranged segment rings comprised of individual segments whose internal surfaces jointly form a calibration opening. Successively axially arranged segments are assembled in the fo... | 11/13/2007 |
| 7270534 | Operating system for an externally operated part of a closing unit The invention relates to an operating system for an externally operated part of a closing unit, in particular for a mold carrier of a closing unit. During operation, the entire closing unit (12) moves in a predefined first direction (D) and the externally ope... | 09/18/2007 |
| 7195724 | Method of controlling a compounder-type injection molding machine, and compounder-type injection molding machine In a method of controlling the feed amount of compounding materials for a compounder-type injection molding machine with a plasticizing unit, an injection unit, receiving plasticized material from the plasticizing unit, and a metering unit for supply of starting mat... | 03/27/2007 |
| 7186113 | Rotary device for a horizontal injection molding machine A rotary device for a horizontal injection molding machine includes a base and a rotary table supported on the base for rotation about a vertical rotation axis upon operation of a drive. The drive includes a shaft extending downwards from the rotary table and projec... | 03/06/2007 |
| 7186111 | Hybrid injection unit, and injection molding machine with a hybrid injection unit A hybrid injection unit for an injection molding machine includes a plasticizing screw having a shaft and constructed for rotation and axial displacement. Operatively connected to the shaft is a first electric motor for rotating the plasticizing screw, and a second ... | 03/06/2007 |
| 7182504 | Drive apparatus for a multi-shaft extruder rotating in a same direction A drive apparatus for an extruder with at least two co-rotating extruder screws having driveshafts includes a housing and a drive motor which is received in the housing and including a stator and a rotor. The rotor is operatively connected to driveshafts of the extr... | 02/27/2007 |
| 7179074 | Device for safeguarding an open position of the closing unit of an injection molding machine Injection molding machines must be provided with devices which ensure that the mold mounting plates when in open position cannot inadvertently close, wherein the conventional safety devices include a toothed locking bar disposed between two mold mounting plates and ... | 02/20/2007 |
| 7172407 | Injection unit for injection molding machines with continuously operating plasticizing unit An injection unit for an injection molding machine includes a plasticizing unit in the form of an extruder, a plunger-type injection device, which can be connected to the injection molding machine by an injection nozzle. The plunger-type injection device defines an ... | 02/06/2007 |
| 7160102 | Injection unit for injection molding machines with continuously operating plasticizing unit An injection unit for injection molding machines includes an extruder as plasticizing unit and a plunger-type injection molding device that can be coupled to the injection molding machine by an injection nozzle. The plunger-type injection molding machine has an inje... | 01/09/2007 |
| 7156650 | Device for removing an injection molded substrate from an injection mold A device for removing an injection-molded substrate with attached sprue from an injection mold having half-molds, in particular a substrate for optical data carriers, includes a lever that can swing in and out of a position between the half-molds of the injection mo... | 01/02/2007 |
| 7134869 | Rotary device for a horizontal injection molding machine A rotary device for a horizontal injection molding machine includes a base plate and a rotary table supported on the base plate for rotation about a vertical rotation axis upon operation of a drive. The drive includes a pivot pin extending downwards from the rotary ... | 11/14/2006 |
| 7118372 | Molding tool having a heating and cooling medium A mold portion of a molding tool for making plastic articles includes a base body defining a cavity surface and having formed therein at least one heating channel, and at least one cooling channel separated from the heating channel and having a cross section which i... | 10/10/2006 |
| 7118366 | Protective device for an injection unit to guard against injury A protective device for an injection unit of an injection molding machine includes a protective plate which is disposed at an outlet port of a channel of an injection nozzle. The protective plate is moveable between a shielding position, in which the outlet port is ... | 10/10/2006 |
| 7083321 | Single screw extruder The invention relates to a single screw extruder comprising a barrier screw and a barrel in which the barrier screw is held in a manner that permits to rotate and comprising at least one feed zone longitudinal section and at least one melting zone longitudinal secti... | 08/01/2006 |
| 7066725 | Injection molding machine with control system An injection molding machine includes a plurality of input and output units, a plurality of actuators, a plurality of sensors, and at least one computing unit, wherein a functional assignment of the input and output units, actuators and sensors is established via th... | 06/27/2006 |
| 7048533 | Apparatus for making plastic articles having an embossed pattern In a method of making plastic articles with embossed pattern, a plastic material is injection-molded in a cavity of a clamping unit of an injection molding machine to form an injection-molded plastic article. A pattern is embossed from a foil strip onto a previously... | 05/23/2006 |
| 7048431 | Plastic processing machine for producing fiber-containing thermoplastics A plastics processing machine for producing fiber-containing thermoplastics includes an extruder, and a scale assembly having a weighing plate for determining an amount of fiber to be supplied to the extruder. A fiber feeding device supplies fibers from a take-off u... | 05/23/2006 |
| 7033163 | Backflow prevention device A backflow prevention device for an injection molding machine includes a screw tip having a tip end, a central body member connected to the tip end, a thrust ring at a rear end of the body member, and a mounting end for attachment to a plasticizing screw. A locking ... | 04/25/2006 |
| 7029263 | Injection molding device with intermediate storage space An injection molding device includes a continuously operating extruder and a discontinuously operating injection unit receiving plastic material from the extruder. The extruder has an extruder barrel which includes a plasticizing zone and a discharge zone, whereby t... | 04/18/2006 |
| 7018189 | Mold closing device for an injection molding machine A mold closing device of an injection molding machine for producing plastic parts made of two or more plastic components includes a central mold carrier element which is arranged between two outer mold mounting plates and has two or four opposing mold mounting areas... | 03/28/2006 |
| 7014454 | Metering device for an injection molding unit A metering device for an injection molding unit includes a base body having an antechamber in fluid communication with a feed channel for introduction of plastic material, and a metering chamber in fluid communication with a injection channel. The antechamber and th... | 03/21/2006 |
| 7011514 | Apparatus for removing and/or placing a workpiece from or in an injection mold of an injection molding machine Apparatus for removing and/or placing a workpiece from or into an injection mold of an injection molding machine includes a fixed platen and a moving platen which have attached thereon respective half-molds. A toothed rack is firmly connected to the fixed platen and... | 03/14/2006 |
| 6997235 | Plasticizing barrel lined on the inside with a coating, and method of making such a plasticizing barrel A plasticizing barrel for a plastics processing machine includes a body having a hollow cylindrical configuration and defining an axis; and a coating formed on an inner wall surface of the body and including at least one groove extending in axial direction of the bo... | 02/14/2006 |
| 6991089 | Cooling station for disk-shaped substrates A cooling station for data carrier disks, in particular for injection-molded substrates of optically readable data carriers, such as CD, CD-R, DVD, CD single, DVD single and the like, has at least three rotatable cooling spindles which are arranged in spaced-apart p... | 01/31/2006 |
| 6971428 | Device for vacuum-pressing of DVD substrates The invention relates to a device for vacuum-pressing of disk-shaped substrates, in particular DVD substrates into a finished DVD, wherein the device has a vacuum chamber with two substrate holders and an intermediate element that can be displaced inside the vacuum ... | 12/06/2005 |
| 6957805 | Gas charging unit of a polyurethane injection molding assembly A gas charging unit for adding gas to a liquid polyurethane component, in particular a filler-laden polyurethane component of a polyurethane injection molding unit, includes a mixing vessel having an inlet opening and receiving a liquid polyurethane component via th... | 10/25/2005 |
| 6926515 | Injection molding machine with improved traction transmitting securing mechanism An injection molding machine includes a stationary platen, a movable platen constructed for movement relative to the stationary platen, at least one tie bar for tension-proof connection of the fixed and movable platens, and a traction transmitting securing device in... | 08/09/2005 |
| 6877977 | Two-platen closing system for an injection molding machine In a two plate closing unit of an injection molding machine the stationary and the movable mold mounting plates are connected by columns, wherein the columns that traverse the fixed mold mounting plate are fixedly connected to a clamping cylinder in which the column... | 04/12/2005 |
| 6854968 | Compounder-type injection molding machine In a compounder-type injection molding machine having an extruder for continuously producing a melt and at least one injection device is fluidly connected to the extruder to receive melt, a reservoir is provided which is in fluid communication with the extruder as w... | 02/15/2005 |
| 6851942 | Platen clamping mechanism for an injection-molding machine To displace a moving mold mounting plate (3), a threaded spindle drive is inserted between the moving mold mounting plate (3) and a fixed mold mounting plate (16), whereby one end of each threaded spindle is mounted in the fixed mold mounting pl... | 02/08/2005 |
| 6846170 | Injection molding machine with at least one column having a surrounding jacket An injection molding machine includes a plasticizing unit and a closing unit which has at least one column which passes through and is moveable relative to a supporting element. A jacket at least partially surrounds the column at formation of an annular space and be... | 01/25/2005 |
