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| Number | Title | Issue Date |
| 8047701 | Batch mixer A batch mixer, which includes a floating weight that is freely elevatable by hydraulic cylinders in a hopper which is provided for a mixer main body in a communicated state and into which mixing materials are charged, includes: a linear scale capable of continuously... | 11/01/2011 |
| 7954991 | Screw extruder with plunger feeder The present invention is directed to a materials extrusion device including a screw extruder with a plunger feeder. It includes a screw extruder having a main housing, a materials advancing screw, a screw drive mechanism, a feed port for inputting materials to be ex... | 06/07/2011 |
| 7476017 | Intermeshing kneader with tilting mixing chamber A closed kneader mixing machine including a tilting mixing chamber and a pair of counter-rotating intermeshing rotors rotatably mounted within the tilting mixing chamber. Each rotor is a hollow cylinder having a spiral wing on the hollow cylinder with a pain of nogs... | 01/13/2009 |
| 7404664 | Keel type ram for use in internal batch mixers with tangential rotors This invention provides a ram for use in a mixer with counter-rotating non-intermeshing rotors on which the central portion of the ram utilizes a apex, either a point or a line produced by a “V” or similar shape, that protrudes a given distance into the mixing c... | 07/29/2008 |
| 7329036 | Pressurizing lid structure of a kneader In a kneader having a mixing tank 1 for storing the kneaded material, a pair of rotors, 2 disposed in parallel for kneading the kneaded material stored in the mixing tank 1, and a pressurizing lid 3 inserted slidably in the opening at the... | 02/12/2008 |
| 7314305 | Thermally regulated closed mixer A method for mixing a compound in a closed-batch mixer includes predetermining a minimum temperature of a mixer body for starting a mixing cycle; predetermining a preheating temperature for a thermal-regulation system of the mixer as a first set point; predeterminin... | 01/01/2008 |
| 7077558 | Dough treatment facility A dough treatment facility comprises, among other things, a dough kneading arrangement, which comprises an inner kneading drum, an outer kneading drum which is moved in relation thereto within the scope of a kneading motion, and a plurality of kneading compartments ... | 07/18/2006 |
| 7033067 | Cascading orifice mixer A cascading orifice mixer for mixing a viscoelastic material comprising a plurality of chambers connected in series, including a first chamber, at least one intermediate chamber and a last chamber, each chamber including an orifice providing fluid communication betw... | 04/25/2006 |
| 6997105 | Separation device for dough pieces A separation device for dough pieces (2) is provided with an inlet portion for delivering a plurality of dough pieces (2), a separation unit (26) for separating the dough pieces (2) delivered and an outlet portion (27) for individu... | 02/14/2006 |
| 6913379 | Closed kneader With conventional closed kneaders, the temperature of the kneaded material remains high at the end of primary kneading because insufficient cooling is made in the interior part of the kneaded material, making it necessary to either provide cooling time between the p... | 07/05/2005 |
| 6908221 | Closed mixer working process with stroke-control ram A closed mixer includes a mixing chamber, a pair of rotors, and a pressing ram. The pressing ram is moveable between a resting condition, which allows introduction of material into the mixing chamber, and a working condition. A method of processing polymer-based mix... | 06/21/2005 |
| 6883954 | Dough treatment facility A dough treatment facility comprises a dough feeder, a dough metering arrangement, a dough kneading arrangement, a transfer arrangement disposed between the dough metering arrangement and the dough kneading arrangement as well as a dough discharge arrangement. A del... | 04/26/2005 |
| 6817749 | Ice cream softening appliance A house appliance for making soft serve ice cream comprises a motor driven auger in a housing. The auger, which has spiral land, is contained in a work chamber having longitudinal grooves or longitudinal ribs upon which the lands ride. Recirculation and mixing of in... | 11/16/2004 |
| 6817748 | Method for evaluating and controlling a mixing process A method for evaluating and controlling a mixing process for polymer-based compounds includes the steps: obtaining initial starting conditions and values for viscosity dependent parameters; increasing batch temperature by a differential amount; calculating mixing pa... | 11/16/2004 |
| 6802644 | Internal mixer with bearing housings having a dirt particle outlet In an internal mixer, the bearing housings of the bearing arrangements for the journals of the rotors are mounted directly on the end walls of the housing. The gaps which are formed between the rotor and the end wall and between the journal and the end wall are conn... | 10/12/2004 |
| 6644845 | Buffer store for polymer melts, especially cellulose solutions The present invention relates to a buffer tank as is substantially used for ensuring a constant supply of the spinning machine with a polymer melt in spinning machines. To this end the buffer tank is provided with a compensation chamber whose volume is va... | 11/11/2003 |
| 6623153 | Device and method for charging a plasticizing unit of an injection molding machine A charging device includes a feed pipe, constructed for connection to a plasticizing unit of an injection-molding machine, and a compaction cylinder, which has a lower end supported by the feed pipe and an upper end received in a retaining flange to which... | 09/23/2003 |
| 6422733 | Internal mixer with wide throat and wear plates A wide throat internal mixer and method of mixing a batch of petrochemical material wherein bales are fed by a corresponding large size ram weight from a large size hopper into a mixing chamber through a corresponding large size throat opening having wear... | 07/23/2002 |
| 5897203 | Dough portioning and kneading machine A dough portioning and kneading machine comprises two dough hoppers separated from each other, a conveying chamber, in which a conveying piston is displaceably arranged, being disposed downstream of each dough hopper. At least one metering chamber is disp... | 04/27/1999 |
| 5865535 | Dynamic mixer control in plastics and rubber processing A simple and efficient process and automated system is provided for controlling the mixing of polymeric material and additive materials in an internal mixer to provide quality products and batch to batch product uniformity. Real time mixing temperature pr... | 02/02/1999 |
| 5783983 | Internal mixer An internal mixer having a floating weight disposed in contiguous with an internal mixer main body and made elevatable in a hopper to which a material to be mixed is charged, wherein a hydraulic cylinder for elevating the floating weight is disposed in co... | 07/21/1998 |
| 5653534 | Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus A screw apparatus comprises a melting extruder for melting a resin; a screw unit for kneading molten resin and reinforcing fibers to obtain a reinforcing fiber-containing molten resin and supplying it; and a mixer in which at least a part of the reinforci... | 08/05/1997 |
| 5626420 | Apparatus for the continuous mixing of rubber The continuous mixing apparatus for preparing a rubber composition has a mixing chamber accommodating at least one rotor rotating in a stator and extending between an upstream end and a downstream end between which the material progressively passes. The b... | 05/06/1997 |
| 5529390 | Mixing machine with symmetrically-guided presser rod actuator An apparatus for actuating the rod of a presser element of a mixing machine of the internal type which has a lower mixing assembly and an upper structure for feeding of the material. At least one pair of guides are arranged opposite each other on the side... | 06/25/1996 |
| 5516206 | Charging apparatus including a feed chute and tamping tool bent in a circular arc shape for inner mixers, helical extruders, or the like A loading device for kneaders, screw-type extruding machines or the like, having at least one feed chute and at least one tamping tool, wherein the feed chute is provided with at least one loading opening, the feed chute is bent--completely or partially--... | 05/14/1996 |
| 5460445 | Mixer An apparatus in which a glass rod is inserted into a spinning oven to perform spinning and glass fiber yarn is drawn out at a shutter located in the lower end of the spinning oven, comprising a timer for measuring a time from the start of heating of the g... | 10/24/1995 |
| 5441342 | Apparatus for kneading portioned dough pieces An apparatus for kneading portioned dough pieces comprises a drum (2) rotating around a horizontal axis and being provided on its periphery with alternatively disposed receiving openings (3,4) of different size for the dough to be kneaded. In each receivi... | 08/15/1995 |
| 5350230 | Door locking mechanism for batch mixers A batch mixer includes a mixing chamber in which polymeric material such as plastics and rubber is heated and mixed. The material is fed to the mixing chamber through a hopper. The hopper has a door which is swung open and closed by a fluid-actuated cylin... | 09/27/1994 |
| 5324107 | Control method, monitoring method, and control device for kneader An object of the present invention is to provide a control method for a kneader suitable for controlling the kneader so as to uniformly disperse a compounding agent in a high-molecular material, enabling energy saving. In controlling the kneader for charg... | 06/28/1994 |
| 5143734 | Adjustable converging extruder hopper Flowable molten plastic material is fed downwardly into an adjustable converging hopper mounted on a horizontal extruder barrel. This hopper is positioned around an opening feeding down into the barrel for guiding and deflecting a descending "rope" of pla... | 09/01/1992 |
| 5061078 | Internal mixer Described herein is an internal mixer of the type including a mixing chamber rotatably accommodating mixing rotors therein, a hopper frame erected on the mixing chamber, a charge hopper provided on one lateral side of the hopper frame for charging a mixin... | 10/29/1991 |
| 5044760 | Closed type kneader A closed type kneader has two rotors rotatably mounted in a casing for rotation about parallel axes. Two blades extend from each of the rotors such that the blades of the rotors intermesh. Each rotor has both a main blade and an auxiliary blade. The auxil... | 09/03/1991 |
| 4953984 | Overload preventing system for kneading machine A kneading machine has a cylinder formed with upper and lower ports for compressed fluid, a piston slidably fitted in the cylinder and having a weight connected to the underside thereof, a case disposed under the cylinder and having an upper opening to be... | 09/04/1990 |
| 4938605 | Apparatus and method for mixing and continuous extrusion of a plastic mass An apparatus for the mixing and continuous extrusion of a plastic mass having a first stage in which an intermittently operating mixer receives the starting materials batchwise and a second stage having a screw extruder which is supplied at periodic inter... | 07/03/1990 |
| 4909724 | Injection apparatus An injection apparatus of a plunger type for injecting reinforced materials such as BMC is of a single barrel type or a double barrel type having a rotatable plunger disposed in the barrel. A check valve device for preventing a back flow of the materials ... | 03/20/1990 |
| 4907891 | Feed device for a continuous feed mixer A feed device (11) for a continuous mixer (12) for rubber and plastics materials. The feed device comprises a hopper (14) having a reciprocable plunger (16) located in the hopper to force material into the inlet passageway (15) of the continuous mixer. Th... | 03/13/1990 |
| 4893936 | Mixing machine with non-intermeshing pair of rotors driven solely at the same rotor speed in opposite directions and having a predetermined rotational alignment relationship between the two counter-rotating rotors Two horizontally opposed winged rotors move in synchronism to define a cyclically varying window between them such that improved mixing results are achieved. The wings are provided in diagonally opposed pairs such that the leading ends of all wings move i... | 01/16/1990 |
| 4877328 | Internal mixer Internal mixer with hydraulic cylinders (31 to 34) that are symmetrically disposed about the charging hopper (2). The floating weight (20) is driven via a movable crosspiece (22) and a shaft (21) for the floating weight. A low overall construction of the ... | 10/31/1989 |
| 4762482 | Feed device for injection molding machines The material containers filled with a polyester material are moved in the feed device from an intake position to a discharge position by pivoting 180° with the aid of a swivel frame. In the discharge position the material container is in a coaxial positi... | 08/09/1988 |
| 4744668 | Internal batch mixing machines with non-intermeshing rotors of increased performance Non-intermeshing four-wing and three-wing rotors for use in high intensity mixing machines of the batch type provide new sequences and new characteristics of dynamic interactions for achieving advantageously increased mixing effectiveness and strength of ... | 05/17/1988 |
