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| Number | Title | Issue Date |
| 7845844 | Directly driven extruder with an adapter An extruder device includes an extruder worm and a worm drive that has a drive motor, which is provided with a rotor. The rotor is connected to the extruder worm during operation in such a way that the rotor and extruder worm rotate at the same speed during operatio... | 12/07/2010 |
| 7527422 | Drive unit for a twin-screw machine A drive unit for a twin-screw machine, of which the screw shafts, which can be driven in rotation in the same direction, have an axial spacing a, has two output shafts. The output shafts are provided with a respective crown gear which does not collide with the adjac... | 05/05/2009 |
| 7328579 | Rotary piston heat engine system A rotary piston heat engine system is composed of two units. Each includes two pistons mounted for movement in opposite directions. Each piston is mounted for rotation in a cylinder. The longitudinal axes of the pistons and cylinder are collinear. The pistons are mo... | 02/12/2008 |
| 7273315 | Mixing device with variable speed drive and related control features A mixing machine includes a drive assembly and control system for making speed changes on the fly and for providing controlled acceleration and deceleration. A bowl receiving portion may be movable between a lowered position and a raised position with a power bowl l... | 09/25/2007 |
| 7267474 | Plasticating screw A plasticating screw including a grating mixing section provided to enhance mixing of incompatible materials. The screw includes a mixing section including an inlet groove having a closed distal end, a discharge groove circumferentially spaced from the inlet groove,... | 09/11/2007 |
| 7229205 | Drive unit for plastics injection machines A drive unit for operating a plastics injection machine includes a rotatably supported bushing intended for accommodation of an extruder screw and a rotor which includes a hollow shaft and is defined by an inner diameter sized to allow passage of the bushing and acc... | 06/12/2007 |
| 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 |
| 7128464 | Method and device for regulating pressure in a single-screw degassing extruder or in a cascade extruder The invention relates to a method for regulating the minimal value of the pressure in the first half of the metering zone in a direction of conveyance in a single-screw degassing extruder or in a cascade extruder during the conveying of a melt consisting of a thermo... | 10/31/2006 |
| 7112902 | Drive apparatus for a plastics processing machine A drive apparatus unit for components of a plastics processing machine includes a motor unit which is provided with a rotor having a hollow shaft, and a thrust bearing assembly for mounting a driveshaft of the plastics processing machine. The thrust bearing assembly... | 09/26/2006 |
| 7090483 | Direct-driven extruder and process for operating the same An extruder which converts preferably granular plastic material into the melted state and which includes an extruder screw rotating within a cylinder and connected to a drive unit having a motor and at least one rotor so that the drive unit provides torque for rotar... | 08/15/2006 |
| 7021816 | Plasticating screw A plasticating screw including a grating mixing section provided to enhance mixing of incompatible materials. The screw includes a mixing section including an inlet groove having a closed distal end, a discharge groove circumferentially spaced from the inlet groove,... | 04/04/2006 |
| 7014354 | Power bowl lift, motor mount and tensioner for mixing machine A mixing machine includes a power bowl lift mechanism that operates independent of a drive motor for mixing operations, and may be formed by a linear actuator. A pivoting motor mount assembly can be used in conjunction with a portable tensioning tool for tensioning ... | 03/21/2006 |
| 6908222 | Attachment mechanism A mixing element for attachment to an output shaft of a mixer, the mixing element including a body having a mixing portion and a collar portion having an opening formed therein, the opening being shaped and located to receive the output shaft of a mixer therein. The... | 06/21/2005 |
| 6827476 | System for controlling mixing processes In a method for controlling the mixing of dough ingredients in a mixer, dough ingredients are mixed. The amount of power supplied to the mixer is measured in specified time intervals. Data relating to the amount of power supplied are stored. Based on the stored data... | 12/07/2004 |
| 6827477 | Compounder installation The invention relates to a compounder comprising a mixing unit, which can be mechanically driven by a drive module and is provided with one or more feed devices (5) for the material to be processed and one or more additives that are to be mixed with this mate... | 12/07/2004 |
| 6805479 | Extrusion system comprising a screw changing device At least one screw of a screw-type extruder drive-connected via a coupling to a gearing that is driven by a motor, the coupling being able to be coupled to and decoupled from the screw. A gearing carriage is provided which is configured such that the gearing can be ... | 10/19/2004 |
| 6632009 | Coaxial extruder drive An extruder has a housing and a screw rotatable in the extruder housing about an axis. A drive has a drive housing fixed to the extruder housing, an extension fixed directly to the screw and extending along the axis into the drive housing, and a sleeve-sh... | 10/14/2003 |
| 6533447 | Plasticizing apparatus for a pre-plasticization-type injection molding machine A plasticizing apparatus used for a pre-plasticization-type injection molding machine is equipped with a screw drive section which comprises a rotational drive section supported in an axially moveable manner and adapted to rotate the screw; and an advance... | 03/18/2003 |
| 6502977 | Extruder plant with worm extruder and gearwheel extruder An extruder plant includes a worm extruder having a reduced length and including only a feed zone of the extruder plant and a gearwheel extruder connected downstream of the worm extruder and including a plasticizing and pressure build-up zone of the extru... | 01/07/2003 |
| 6382826 | Compact extruder with multiple parallel screws having a variable pitch arrangement A compact extruder with multiple parallel screws having a variable pitch arrangement, includes an outer casing which has at least two chambers that contain at least two screws which allow material to flow from one chamber to the other chamber through a pa... | 05/07/2002 |
| 6298751 | Drive transmission apparatus for twin-screw extruder A drive transmission apparatus for a twin-screw extruder is provided which transmits a rotational driving force from a single prime mover to a first screw and a second screw disposed in parallel to each other, which comprises a transmission shaft, two idl... | 10/09/2001 |
| 6234661 | Transmission for a double screw extruder with two tapering helical shafts A transmission for an extruder with two tapering helical shafts (1) consists of a driveshaft (6) driven by a transmission shaft and of two take-off shafts (3 & 4) that slope toward each other and can be coupled to the helical shafts. The transmission shaf... | 05/22/2001 |
| 6203747 | Resonating injection molding machine and process for its operation An injection molding machine includes an injection molding cylinder with a material supply at one end and an injection nozzle at the other end and a material conveyance unit attached to a drive and movable in the injection molding cylinder. The injection ... | 03/20/2001 |
| 6164811 | Extruder assembly with improved screw removal capability An extruder assembly has a gear box drivable by a motor, an output shaft having a main portion extending through the gear box and rotatable by operation of the motor and gear box, and an extruder housing located forwardly of the gear box. The output shaft... | 12/26/2000 |
| 6161954 | Mud mixing machine and coupler An apparatus for mixing powdered or premixed drywall joint compound and water to form a joint compound mixture or slurry includes a portable container rig with a container, pumping components, and mixing components on a dolly. A mixing element rests withi... | 12/19/2000 |
| 6155817 | Injection-moulding unit for a machine for the injection moulding of plastics An injection molding unit is provided with a carrier block and an injection bridge, movable towards and away from the carrier block for a relative movement of a feeding means relative to a receiving body. An injection motor drives a plurality of spindle d... | 12/05/2000 |
| 6106426 | Arrangement for a double shaft extruder A transmission for a high-output two-shaft extruder, comprising a speed-reduction gear (1) and a distribution gear (2). The distribution gear has one take-off shaft (4) driven directly by the speed-reduction gear and another take-off shaft (5) driven by t... | 08/22/2000 |
| 6042260 | Method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense In a method of carrying out continuous preparation processes on tightly meshing extruders rotating in the same sense such as twin-screw and multi-shaft screw-type extruders, the extruder is operated at a screw speed of rotation of at least 800 rpm, accomp... | 03/28/2000 |
| 6021821 | Particulate processing apparatus An apparatus including: a conduit operably connected to a source and extending downwardly therefrom, the conduit being adapted to permit a flow of particulate material from the source through the conduit; a fluidizing nozzle operably connected to the cond... | 02/08/2000 |
| 6015284 | Injection unit for injection molding machines An injection unit for injection moulding machines comprising a plasticizing cylinder and a plasticizing screw which is arranged rotatably therein and axially displaceably by a crank drive, wherein there is provided a drive motor (1) which selectively eith... | 01/18/2000 |
| 5951928 | Polymer's electromagnetic dynamic injection molding method and the apparatus therefor A charging barrel and screw as well as their associated components for carrying out the processes of plasticization, injection and pressure maintaining of the polymer are all disposed in the inner cavity of a metal moving body driven to rotate pulsatorily... | 09/14/1999 |
| 5941634 | Polymer mixing apparatus and method A mixing apparatus suitable for mixing and conveying solid, particulate, polymeric materials, comprising a barrel that can be heated and cooled, at least two co-rotatable, self-wiping extruder screws located within the bore of the barrel, the screws being... | 08/24/1999 |
| 5934802 | Planetary gear system for mixer A food mixer having a planetary gear system. The mixer comprises a vertically extending stand housing an electric motor, a base to support the stand, an overhang arm connected to the stand, and a gear system housed in the overhang arm. The gear system inc... | 08/10/1999 |
| 5906432 | Dough mixer apparatus for laboratory testing of the development of a dough sample A dough mixing apparatus for use in a bakery laboratory in order to test formulas and ingredients includes an upright mixing machine, a bowl with an upstanding center pin and a pair of dough arms approximating a double helix configuration. In operation, t... | 05/25/1999 |
| 5836681 | Machine with two converging threaded rotors for the extrusion of plastomers elastomers and the like Machine with two generally converging threaded rotors (5) for the extrusion of plastomers, elastomers and the like, comprising a structure (1, 2, 3) supporting a housing (4) containing the rotors (5), a casing (6) containing a pair of reducers (7), a devi... | 11/17/1998 |
| 5803597 | Machine for the extrusion of polymers and the like with converging threaded rotors each actuated by means of its own actuating motor Machine for the extrusion of polymers and the like, comprising a pair of threaded rotors (5) with axes which are generally converging with respect to each other and means (7) for synchronized transmission of the movement to the said rotors (5), wherein ea... | 09/08/1998 |
| 5782560 | Internal mixer An internal mixer and controller enables the phase difference and the speed ratio between two rotors to be changed without stopping the operation of the mixer. The internal mixer comprises: nonintermeshed first and second rotors disposed in a mixing chamb... | 07/21/1998 |
| 5727876 | Polymer mixing apparatus A mixing apparatus suitable for mixing and conveying solid, particulate, polymeric materials, comprising a barrel that can be heated and cooled, at least two co-rotatable, self-wiping extruder screws located within the bore of the barrel, the screws being... | 03/17/1998 |
| 5690427 | Variable speed food mixer incorporating a variable transmission ratio belt drive A food mixer in which a variable speed facility is provided by a variable transmission ratio belt drive incorporated in the drive train between an electric motor and a whipping or mixing tool. The belt drive comprises a V-belt extending around first and s... | 11/25/1997 |
| 5653535 | Mixing machine A mixing machine comprising a housing having an upper portion and a lower portion, an attachment drive head extending downwardly from the upper portion of the housing, an attachment drive including an attachment drive shaft, the shaft being capable of dri... | 08/05/1997 |
