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| Number | Title | Issue Date |
| 8066423 | High speed and direct driven rotating equipment for polyolefin manufacturing An apparatus and method for melting polymer is provided. In at least one embodiment, the apparatus includes a housing, two or more rotatable members at least partially contained within the housing, where each rotatable member having a shaft coupled thereto. The appa... | 11/29/2011 |
| 8011823 | Clay kneader A clay kneader has a drum having a pressure raising section on a supply opening side, an extrusion section having an inner diameter smaller than that of the pressure raising section on side of an extrusion opening for extruding clay as a columnar article, and a flow... | 09/06/2011 |
| 7985018 | Installation and a method for scraping a bed-plate of a compounder An installation for fabricating a mass of rubber comprises a vessel for compounding the mass of rubber. The vessel includes an outlet opening for the mass of rubber; a gate for closing the opening and movable between a position in which the opening is closed, and a ... | 07/26/2011 |
| 7942567 | Extruder system with integrated gear pump An extruder system includes an extruder for axially extruding a rubber or plastic material in a barrel. A gear pump adjusts an amount of extruded material that is discharged by engagement of gears. The gear pump includes a driving pinion and a driven pinion engaged ... | 05/17/2011 |
| 7878700 | Polymer removal from a polymer mixer A method and apparatus for controlling the removal of polymer from a mixer using an outlet gate that is coupled to an actuator by way of a pair of flanges, one flange carrying a protuberance and the other flange carrying a depression into which the protuberance fits... | 02/01/2011 |
| 7637650 | Continuous mixer and operating method thereof In a continuous mixer, a chamber formed in a barrel comprising a feed port for feeding raw material to be mixed on one end side and a discharge port for discharging mixed material on the other end side. A pair of screw provided in the chamber has a feed part for con... | 12/29/2009 |
| 7607818 | Extruder with gear pump An extruder for viscous masses, and including an extruder screw and a positive-displacement gear pump disposed downstream of the extruder screw as viewed in the conveying direction. The positive-displacement gear pump has at least one conveying gear and at least one... | 10/27/2009 |
| 7556419 | Machine for mixing and extruding rubber-based and silicone-based plastic materials and method therefor A machine for the mixing and extrusion of rubber-based and silicone-based plastic materials and method thereof is disclosed, comprising a dump extruder with conical converging twin screws (10) arranged in a batching chamber (12) in which the outlet of ... | 07/07/2009 |
| 7354188 | Gear pump having input and output screw shafts with a decreasing flight depth toward a gear section in transfer mix areas The invention relates to a gear pump which is suitable for delivering highly viscous materials. The aim of the invention is to provide a gear pump having a low-wear and low-maintenance bearing system, high output and good self-cleaning properties. For this purpose, ... | 04/08/2008 |
| 7350959 | Pin extruder with gear pump A conveying apparatus comprising an extruder having a housing, a gear pump connected to the extruder, an extruder cylinder rotatably mounted in the housing, and a plurality of pins extending radially outwardly from the extruder cylinder. The extruder housing is prov... | 04/01/2008 |
| 7350672 | Fluid dispensing apparatus A manually actuated dispensing gun can deliver different fluids to be mixed. The gun has a body assembly with first and second valves. A lever arm manually actuates the valves. A cap has first and second fluid inlets that are coupled to respective controlled fluid o... | 04/01/2008 |
| 7350960 | Dual flight rotors for continuous mixer assembly In the field of continuous mixer apparatus for commingling particulate thermoplastic materials, employing at least one main rotor with a helical profile body configuration, an improved profile for the peripheral threads is provided. It presents a first upstream feed... | 04/01/2008 |
| 7322738 | Conical twin-screw extruder and dehydrator In a conical twin-screw extruder in which two rotor shafts having flights on the outer peripheral surfaces thereof and being adjacent to each other in the lateral direction are accommodated in a barrel having a raw material supply port on one side and a raw material... | 01/29/2008 |
| 7316335 | Material dispenser having a positive shutoff mechanism A replaceable auger assembly includes a body having at least one material inlet defined therein and an auger disposed within the body. The auger includes a helical portion disposed about a shaft portion and a positive shutoff mechanism. The positive shutoff mechanis... | 01/08/2008 |
| 7316500 | Pin extruder A pin extruder for conveying polymeric material, especially elastomeric material, comprising a stationary extruder housing and an extruder screw rotatably mounted in the housing. A purality of radially outwardly extending pins are disposed on the extruder screw, at ... | 01/08/2008 |
| 7303068 | Polymer grout compositions The present invention relates to a one-part polymer grout composition tintable to any desired color upon request, as well as to a method of tinting the grout composition. Advantageously, the present one-part polymer grout compositions may be tinted using any of the ... | 12/04/2007 |
| 7290923 | Extruder/gear pump assembly An extruder/gear pump assembly is provided having an extruder screw connected to the gear pump. The relative speed of the extruder screw and the gear pump are adjustable by the use of a shaft housed in a cavity of the extruder screw. ... | 11/06/2007 |
| 7284897 | Extruder for continuously working and/or processing flowable materials An extruder has at least three parallel, co-rotating shafts disposed in a cavity therein along a circle. The shafts are equipped with screw elements closely intermeshing over their whole circumference. At least one screw element is formed as a passage screw element ... | 10/23/2007 |
| 7275857 | Apparatus for treating plastics material A device for treating plastics material, in particular thermoplastic plastics material, has a receiving container (1) which has a base (15) and lateral walls (14). In the receiving container at least [one] disc (17) is arranged close to t... | 10/02/2007 |
| 7264460 | Installation for preparing materials A material processing plant comprises a first screw-type extruding machine (1) and a second screw-type extruding machine (2) which is disposed downstream thereof. Between the two screw-type extruding machines (1, 2), provision is made for a deli... | 09/04/2007 |
| 7252500 | Check valve assembly for injection molding apparatus An injection molding apparatus which includes a check valve assembly mounted at the forward end of a feed-screw, the valve assembly having forward and rearward valve seat surfaces which co-act in a first position to allow a plasticized polymeric material to enter an... | 08/07/2007 |
| 7229584 | Method and apparatus for injection molding multi-component mixtures In a method and apparatus for injection molding a multi-component mixture, in particular liquid silicone rubber; a starting material, containing at least two components and, optionally, at least one additive, is conveyed from a storage and metering assembly through ... | 06/12/2007 |
| 7178973 | Continuous annular layer mixer High levels of treated fumed silica, processing fluid and high molecular weight silicone polymer are continuously compounded into a homogeneous silica filled heat-vulcanizable silicone composition by forming a premix in a continuous annular layer mixer and continuou... | 02/20/2007 |
| 7178698 | Container with discharging device Containers for collecting and discharging particulate lignocellulosic material are disclosed, including a cylindrical upper portion, a lower portion tapering towards a bottom elongated space, an exit pipe below the bottom, a pair of parallel screws mounted on parall... | 02/20/2007 |
| 7172333 | Injection molding screw An injection molding screw for metal injection molding includes a first end, a second end, a longitudinal body with a first stage and a second stage extending axially along a length of the screw between the ends, a pressure retention device, and optionally, a screw ... | 02/06/2007 |
| 7168944 | Energy efficient extruder drive An energy efficient drive system is provided for use on typical injection molding machines whereby a single electric motor drives both the extruder screw and a hydraulic motor that continuously charges a hydraulic accumulator during the extrusion process. During the... | 01/30/2007 |
| 7160020 | Methods for mixing and transferring flowable materials A method mixes and transfers a bone filling material. The method makes use of a receptacle for receiving components in an unmixed condition. A mixing element can be inserted into the receptacle to mix the components. An actuator having a drive member and a driven me... | 01/09/2007 |
| 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 |
| 7097443 | Extruder transition section A method and system are provided that efficiently compound high levels of inorganic filler, processing fluid and silicone polymer at a commercial rate into homogeneous filled and devolatilized silicone compositions. In the method, filled silicone compositions are co... | 08/29/2006 |
| 7097438 | Foaming agent charging and mixing device A foaming agent charging and mixing device comprises at least one mixing device and one foaming agent metering device, wherein the foaming agent charging and mixing device may be arranged between an plasticating screw and a mold. In order to improve the foaming agen... | 08/29/2006 |
| 7080508 | Torque controlled pump protection with mechanical loss compensation A method and apparatus are provided for controlling the operation of a pump, such as a centrifugal pump, featuring steps of either adjusting the operation of the pump, or issues a warning to a user of the pump of an undesirable operating condition, or both, based on... | 07/25/2006 |
| 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 |
| 7073934 | Kneading machine for food doughs, particularly for bakery products The invention relates to a kneading machine which comprises a substantially cylindrical bowl for containing a mass to be kneaded and a pair of kneading tools rotatable within the bowl with the same direction of rotation, around two axes parallel to the axis of the b... | 07/11/2006 |
| 7018587 | Mixing and pouring apparatus and vessel therefor A mixing and pouring apparatus for computer controlled processing of mixing and pouring operations includes a rotatable arm capable of holding vessels therein, the arm rotatable at programmable speeds and time lengths to perform automated moving and pouring processe... | 03/28/2006 |
| 7008202 | Method and apparatus for forming thermoplastic resin foam The present invention relates to the step of plasticizing a thermoplastic resin material by rotatably driving a screw (20). Also included in the method is the step of injecting an inert gas into a screw cylinder (1) to permeate the melted resin and inj... | 03/07/2006 |
| 6997597 | Kneading machine for food doughs, particularly for bakery products A kneading machine for flour-based mixes, particularly for bakery products, comprises two kneading implements turning within a rotating tank having a cylindrical shape, with concordant directions of rotation, about two axes, which are parallel to the axis of the tan... | 02/14/2006 |
| 6957953 | Reservoir reducing screw tip An extruder for extruding extrudate is provided and includes a generally cylindrical barrel portion having an end face. A screw conveyor is rotatably arranged coaxially within the barrel portion and has a downstream end. The screw conveyor has helical flights that d... | 10/25/2005 |
| 6915734 | Pizza making method and system The invention provides an automated method and apparatus for pizza production which is initiated by individual order placement and uses only fresh ingredients (no ingredients are frozen, pre-prepared or pre-cooked). Each dough portion is individually and mechanicall... | 07/12/2005 |
| 6913380 | Continuous preparation of heat-vulcanizable silicone compositions High levels of treated fumed silica, processing fluid and high molecular weight silicone polymer are continuously compounded into a homogeneous silica filled heat-vulcanizable silicone composition by forming a premix in a continuous annular layer mixer and continuou... | 07/05/2005 |
| 6890091 | Kneading apparatus, including selectable discharge ports, for kneading rubber or rubber compositions A continuous kneading apparatus and method are provided wherein discharge ports are provided at a plurality of positions of the barrel to discharge a kneaded product, and one of the plurality of the discharge ports is selected according to a desired kneading conditi... | 05/10/2005 |
