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| Number | Title | Issue Date |
| 7896638 | Mixing and pulverizing device, melting method for mixing, and method of molding cellulose material impregnated with binder A crushing and mixing device includes a mixing vessel in which a plurality of blades installed on a rotary shaft which is rotated by a motor as a driving source and freely rotatably supported, to mix and crush materials. A spiral vane is equipped to supply the mater... | 03/01/2011 |
| 7390118 | Extruder assembly The present invention provides an improved extruder assembly, that includes a wiper for wiping a screw portion in a low pressure extruder stage, whereby the wiping of the screw portion improves melt conveyance through the low pressure extruder stage. The present inv... | 06/24/2008 |
| 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 |
| 7311865 | Block-ramming machine A compaction unit (100) includes (a) an elongated open-ended ramming chamber (50) having a fill port opening (51). A ramming head (20) pushes material within ramming chamber (50) to add a new lift to a continuous homogeneous block ... | 12/25/2007 |
| 7214049 | System for controlling nozzle touch force A system for controlling nozzle touch force, which is capable of maintaining the touch force relying upon a simple constitution. An electric motor moves the injection unit forward via a spring to bring a nozzle into contact with a metal mold. Further, the spring is ... | 05/08/2007 |
| 7198748 | Injection molding machine and injection molding method for manufacturing foamed shaped parts The injection molding machine comprises a screw plunger (3), which rotates inside an injection unit (2), wherein the screw plunger (3) has, downstream from a metering zone a porous or permeable section (16) which can be charged with a phy... | 04/03/2007 |
| 7188992 | Kneading element and related articles A modified kneading element for a screw extruder, peripherally congruent, aligned, and contiguous with a cross-sectional profile of a modified conveying element, includes a central portion defining a root diameter having a shaft receiving bore defined therein; and a... | 03/13/2007 |
| 7156550 | Apparatus for plasticating thermoplastic resin including polypropylene Apparatus according to this invention for plasticating a resin polymer, especially polypropylene, includes a barrel having an inlet, outlet, and inner surface. A screw, located within and closely spaced from the inner surface of the barrel, has a longitudinal axis e... | 01/02/2007 |
| 7153120 | Pasta, pastry, cookie, and hors d'oeuvre maker A device to mix and extrude various ingredients including pastas, pastries, baked goods, hors d'oeuvres, and cookies. The device includes novel measuring, mixing and extrusion arrangements including: an automatic measuring cup; a way to continuously mix and extrude ... | 12/26/2006 |
| 7128858 | Method for producing woody moldings and apparatus for producing woody moldings A method for producing woody moldings and an apparatus for producing woody moldings that can reduce the number of processing steps and shorten the processing time. Cellulose based fine powdery particles and thermoplastic resin are kneaded and dissolved into a mixed ... | 10/31/2006 |
| 7104775 | Injection unit having rotatable device for preventing reverse flow Disclosed is an injection unit having a rotatable device for preventing reverse flow. To connect first flow channels formed in a spacer and second flow channels formed in a screw head when the metering is performed, and prevent reverse flow of resin by cutting off t... | 09/12/2006 |
| 7101165 | Extrusion molding apparatus for ceramic molded product An extrusion molding apparatus comprises a shaping die for producing a ceramic molded product, and a screw extruder having built therein an extruding screw (40) for mixing while leading a ceramic material forward. The extruding screw (40) includes a pr... | 09/05/2006 |
| 7101166 | Apparatus for extruding ceramic molding The extruding apparatus has the molding die to form the ceramic molding, the screw extruder containing the extrusion screw to knead and guide the ceramic material toward the molding die. The extrusion screw is comprised of the pressure screw part and the diffusion s... | 09/05/2006 |
| 7097442 | Extruder An extruder capable of obtaining a treatment volume equal to that of the conventional art without enlarging a screw diameter is provided. The extruder includes screw shafts, a drive unit, and a barrel, in which three or more screw shafts having the same diameter and... | 08/29/2006 |
| 7067167 | Method for making sweet cookie dough having an imprinted surface Rapid, efficient, and systematic processes and apparatuses for making repeatable imprints on multiple, individual sweet dough pieces are provided. An advantage of the process is the ease of making uniform imprints that are aligned with the individual dough pieces as... | 06/27/2006 |
| 7040870 | Gear pump with gears having curved teeth and method of feeding elastomeric material A gear pump and method for pumping elastomeric material having two gears with meshing herringbone gear teeth. Each of the gear teeth has helical side portions and a curved central portion which extends circumferentially of the gear a distance equal to at least one h... | 05/09/2006 |
| 7036974 | Mixing device for extruders A mixing device comprises a cylindrical body (14) to be terminally engaged with an extrusion screw (2) and carrying at least one primary mixing thread (15) and at least one secondary mixing thread (16) having a crest diameter (d3 | 05/02/2006 |
| 7025491 | Homogenizing and/or dispersing device comprising endless screws An apparatus for homogenizing and/or dispersing at least one viscous substance and at least one solid and/or at least one other substance of different viscosity includes in a space in a housing axis-parallel rotatable shafts disposed along a circle with equal centra... | 04/11/2006 |
| 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 |
| 6958128 | Dynamic mixer screw tip The present invention includes a screw tip for an extruder screw for effecting mixing in an extruder. The screw tip has a substantially conical outside surface and at least one discontinuous fin. The at least one fin protrudes from the outside surface of the screw t... | 10/25/2005 |
| 6957111 | Automated system for cooking and method of use The present invention comprises an improved device and method for automated cooking foods with a liquid such as water. In a preferred embodiment, the system comprises a cooking chamber (46); a controller (20); a residential home gateway server (10 | 10/18/2005 |
| 6932591 | Apparatus and method for co-extruding multi color plastics The present invention is the apparatus and method for producing a plastic sheet having a pattern produced in a layer therein. The plastic sheet is a single layer sheet or a multi-layer sheet. The pattern is produced by mixing two or more plastic extrudants together ... | 08/23/2005 |
| 6887062 | Extruder screw tip and associated flow channel A screw nose for a rubber extruder screw has an upstream portion of increasing diameter providing working engagement of the rubber flowing from the screw with the extruder barrel and a downstream portion of decreasing diameter providing working engagement of the rub... | 05/03/2005 |
| 6863513 | System for preparing liquid silicone rubber composition A continuous process provides a devolatilized liquid injection moldable silicone composition. In the process, a filler, treating agent and silicone polymer are introduced into an extruder having a length to diameter ratio of at least greater than 50. The filler, tre... | 03/08/2005 |
| 6808380 | Hardness taper tube and production method and device therefor An apparatus for manufacturing stiffness-taper tubing includes a die having an extrusion hole, a die holder for holding the die, and a mandrel mounted inside the die holder and that fits in the extrusion hole. The apparatus forms stiffness-taper tubing by switching ... | 10/26/2004 |
| 6743007 | Pasta, pastry, cookie, and hors d'oeuvre maker A device to mix and extrude various ingredients including pastas, pastries, baked goods, hors d'oeuvres, and cookies. The device includes novel measuring, mixing and extrusion arrangements including: an automatic measuring cup; a way to continuously mix and extrude ... | 06/01/2004 |
| 6652254 | Molding apparatus including screw for molded articles of thermoplastic gas impregnated resin The invention provides a molding apparatus adapted to use a screw having an overall length permitting the use of an existing molding machine cylinder as it is, and is capable of realizing a gas impregnation step. The screw 3 for use in the gas impregnatio... | 11/25/2003 |
| 6613128 | Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt An aromatic polycarbonate extruder which is a twin screw extruder for kneading components into a molten aromatic polycarbonate, the extruder having at least one module consisting of a kneading unit, a material seal unit, a back kneading unit and full-flig... | 09/02/2003 |
| 6572253 | System to compound silicone compositions 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 composit... | 06/03/2003 |
| 6565348 | Extruder for continuously manufacturing composites of polymer and cellulosic fibres A polymer is fed upstream into an extruder. The polymer is melted and mixed in a zone (A). Cellulosic fibres are fed into the extruder in a zone (B). A mixture of the polymer and the fibres obtained in zone (B) is transported through a degassing zone (C) ... | 05/20/2003 |
| 6525126 | Method for producing reinforced thermoplastic resin composition and melt-kneading apparatus A method for producing a reinforced thermoplastic resin composition in a stable manner for long periods of time, comprising providing a melt-kneading apparatus with a plurality of supply ports arranged in line with the direction, along which a molten resi... | 02/25/2003 |
| 6523727 | Dough feeding unit A metering unit for dough and related foodstuffs having a dough feeder unit, support structure, dough hopper, effluent housing, drive motor and centerless helix, with the effluent housing including an inlet, center and outlet section. The centerless helix... | 02/25/2003 |
| 6508965 | Process and apparatus for the production of paper products A process and an apparatus for the production of paper products, such as "cat litter" or paper fuel, comprising reducing paper to a particulate form by shredding and grinding, conveying the particles of paper from a hopper as a layer on a first conveyor f... | 01/21/2003 |
| 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 |
| 6468067 | Composite extruding apparatus of rubber and method of extruding unvulcanized rubber With the same screw diameter as in conventional screw extruders, the screw length is reduced, whereby the material residue is reduced, the throughput is increased, the screw motive power is reduced, the temperature control is facilitated to prevent rubber... | 10/22/2002 |
| 6187237 | Method for making a product to be extruded, and an extruder A method for making a product to be extruded and an extruder. The extruder has at least two conical stators and at least one conical rotor placed rotatably between the stators. The extruder further has supply conduits for feeding the material to be extrud... | 02/13/2001 |
| 6136246 | Screw extruder with improved dispersive mixing elements A screw extruder (10) having a barrel (18) which has a bore (26) defining an inner surface (44) and one or more extruder screws (28), positioned within the bore (26). The extruder screw or screws (28) include a central shaft (34) and one or more screw fli... | 10/24/2000 |
| 6113375 | Thermoplastic foam extrusion assembly A foam extrusion assembly having a melt region which receives and melts a plurality of material pellets, an agent addition assembly which adds a foaming agent to the melted material pellets, and a mixing assembly which substantially mixes the melted mater... | 09/05/2000 |
| 6080346 | Extrusion apparatus and method and extruded thermoplastic polymer Polyvinyl alcohol is processed into fiber or pellets for further processing, or directly into water-soluble film, in a screw-and-barrel extruder, which has a slow temperature rise and a mild kneading action achieved by a non-stick coating applied to the s... | 06/27/2000 |
| 6062718 | Thermoplastic foam extrusion assembly with an extrusion screw including a circulation channel defined therein A thermoplastic extrusion assembly having a melt region wherein a plurality of material pellets are melted and mixed by a mixing assembly with a foaming agent, in the case of a thermoplastic foam extrusion assembly, introduced via an agent addition assemb... | 05/16/2000 |
