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| Number | Title | Issue Date |
| 7845925 | Valve gate assembly A valve gate assembly for regulating a flow of molten material into a mold. The valve gate assembly includes a movable valve that can be positioned between a fully closed position and a fully open position. The valve gate assembly further includes an actuating syste... | 12/07/2010 |
| 7677876 | Die with controlled breather for rotational pressing A die for rotational pressing includes a breather device for connection of the interior of the die with the exterior and which has a passage between the interior and the exterior of the die equipped with a valve operated by an actuator piloted by a handling controll... | 03/16/2010 |
| 7588436 | Valve gate assembly A valve gate assembly for regulating a flow of molten material into a mold. The valve gate assembly includes a movable valve that can be positioned between a fully closed position and a fully open position. The valve gate assembly further includes an actuating syste... | 09/15/2009 |
| 7507079 | Rotary powder compression molding machine In a rotary powder compression molding machine in which a rotary turret is provided within a frame via a vertical shaft so as to be horizontally rotatable, a plurality of dies are provided in the rotary turret at a predetermined interval, an upper punch and a lower ... | 03/24/2009 |
| 7326379 | Apparatus and method for producing soap cake An apparatus for producing a soap cake comprising a mold which has a cavity of prescribed shape, a feed passage for feeding molten soap to the cavity, and means for pushing molten soap remaining in the feed passage at the time of feeding molten soap to the cavity to... | 02/05/2008 |
| 7291297 | Injection molding method and apparatus for continuous plastication In a reciprocating (RS) injection unit environment, as shown in FIG. 1, a controller of the injection unit is arranged to continuously rotate the screw during both conventional plasticizing operation and shot injection. In this way the RS unit is more efficie... | 11/06/2007 |
| 7270537 | Non-coaxial injection molding valve flow control In an injection molding machine having upstream and downstream channels communicating with each other for delivering fluid material to one or more mold cavities, apparatus for controlling delivery of the melt material from the channels to the one or more mold caviti... | 09/18/2007 |
| 7234929 | Injection molding flow control apparatus and method In an injection molding machine having upstream and downstream channels communicating with each other for delivering fluid material to one or more mold cavities, apparatus for controlling delivery of the melt material from the channels to the one or more mold caviti... | 06/26/2007 |
| 7226282 | Charge roller of developing device for image forming apparatus, method for fabricating the same and tool for fabricating charge roller A method of manufacturing a charge roller utilizes a foam rubber substance where epichlorohydrin oxide rubber and an acrylonitrile butadiene rubber are mixed at a ratio of 5:95, or utilizing a crosslinking rubber substance consisting of epichlorohydrin oxide rubber ... | 06/05/2007 |
| 7198740 | Lateral gating injection molding apparatus The invention relates to an injection molding apparatus including a mold block, a nozzle, a gating system and a slug heater. The mold block defines a mold cavity having a mold cavity inlet. The nozzle has a nozzle inlet. The nozzle inlet is fluidically connectable d... | 04/03/2007 |
| 7195473 | Railroad tie and method for making same Thermoplastic polymers, rubbery polymeric components and reinforcing fillers are mixed and heated to a range of 380° F. to 440° F. The resulting mixture is then fed into a BANBURY mixer, with the resulting mixture fed into a diverter feeding two molds. The velocit... | 03/27/2007 |
| 7179073 | Pressure-reducing valve and a controller for a blow-molding machine and method thereof The invention is a pressure reducing valve for reducing the pressure supplied to a head tooling hydraulic positioning valve and a controller for bypassing the pressure reducing valve in a blow-molding machine. A pressure-reducing valve and electrical controller are ... | 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 |
| 7143498 | Method of manufacturing, 100% grained with non-shut-off condition two shot interior component The present invention relates to a two-shot, non-shut-off method of manufacturing a 100% grained trim component for a vehicle. The method includes actuating a tool insert between a mold cavity and a secondary void to form a molded trim component having a groove. A f... | 12/05/2006 |
| 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 |
| 7029268 | Non-coaxial injection molding valve flow control In an injection molding machine having upstream and downstream channels communicating with each other for delivering fluid material to one or more mold cavities, apparatus for controlling delivery of the melt material from the channels to the one or more mold caviti... | 04/18/2006 |
| 7001549 | Method for producing physically foamed injection moulded parts A process for producing physically foamed injection molded articles is provided. The process involves feeding a propellant-free thermoplastic melt into a cavity followed by delivering a physical propellant directly into the cavity or directly into the melt flowing i... | 02/21/2006 |
| 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 |
| 6929763 | Injection molding method The invention provides an injection molding method comprising supplying a gas into a molten resin in a plasticizing cylinder and injecting the molten resin having the gas dissolved therein, wherein when the resin is being plasticized, a gas space with a predetermine... | 08/16/2005 |
| 6916165 | Device for determining the operational state of an extruder The invention relates to a device for determining the operational status of an extruder that is used for the productive of a plastic profile. At least one measuring device for determining the quality of the melt is provided in an adapter part between an extrusion cy... | 07/12/2005 |
| 6913719 | Device and process for injection molding of hollow plastic parts Device and process for injection molding of molded parts made from plastic material having at least one cavity, which has means for injecting plastic melt into the cavity of an injection-molding die along a melt flow path and means for injecting a fluid into the sti... | 07/05/2005 |
| 6899833 | Method of manufacturing a molded article using a variable feedback molding system A method of manufacturing a molded article from a settable mixture includes the steps of in-taking a plurality of components into a plurality of separate material discharge containers sized relative to each other to provide the required mix ratio of the settable mix... | 05/31/2005 |
| 6875383 | Method and apparatus for injection molding A multi-cavity injection molding method and device, and a controller for sequentially injecting material into cavities in the injection molding device. The methods and devices are effective to reduce the clamping force needed to clamp multiple cavity molds. ... | 04/05/2005 |
| 6713002 | Manifold system having flow control An injection molding apparatus and method are provided in which the rate of material flow during an injection cycle is controlled. According to one preferred embodiment, an injection molding apparatus is provided that includes a manifold, at least one injection nozz... | 03/30/2004 |
| 6643909 | Method of making a proximity probe Method of making a proximity probe including providing a preform having an interior cavity accessible by an opened rearward end; coupling a coil to the preform proximate a forward most end of the preform for defining an assembly; locating a single support... | 11/11/2003 |
| 6638049 | Apparatus and method for proportionally controlling fluid delivery to readily replaceable mold inserts In an injection molding machine, an apparatus for controlling delivery of a fluid material to mold cavities of selectively variable size, shape, volume or configuration, the apparatus comprising a modular mold mounting mechanism having mounting apertures ... | 10/28/2003 |
| 6514440 | Apparatus and method for purging injection molding system An injection molding apparatus, system and method are provided in which the rate of material flow during the injection cycle is controlled. According to one preferred embodiment, a method of open-mold purging is provided in an injection molding system inc... | 02/04/2003 |
| 6464910 | Injection moulding of large plastic components A system for injection moulding of large plastics components in a single shot comprises an extruder and an accumulator fed from the extruder The accumulator leads into the mould (14) via a mould valve (12) opive, when closed, to close the mould cavity sub... | 10/15/2002 |
| 6464909 | Manifold system having flow control An injection molding apparatus and method are provided in which the rate of material flow during an injection cycle is controlled. According to one preferred embodiment, an injection molding apparatus is provided that includes a manifold, at least one inj... | 10/15/2002 |
| 6451229 | Method of molding toothbrushes and apparatus for performing the method In the proposed method of molding toothbrushes, a mold with relatively movable mold parts (14, 16) defining at least one molding cavity (20) corresponding in shape to a toothbrush body is used. One of the mold parts (16) has a brush head defining cavity p... | 09/17/2002 |
| 6217922 | Boiler extrusion process and plant for products, preferably for human or animal consumption The present invention is directed to feeding steam, which is let out of a stream outlet, into the conditioning stage of an installation for boiling extrusion of products. In the installation according to the invention, a connecting line is provided from t... | 04/17/2001 |
| 6129872 | Process and apparatus for creating a colorful three-dimensional object A process and apparatus for fabricating a colorful three-dimensional object in accordance with a computer aided design (CAD) image of the object. The apparatus includes (a) a supply of one body-building material in filament form; (b) a filament feeding de... | 10/10/2000 |
| 5766526 | Method and apparatus for injection molding An injection molding method and apparatus in which an injection molding metal mold having a valve gate 7 mechanically opening and closing a gate facing an injection molding cavity is used, and the timing of closing the valve gate is set with reference to ... | 06/16/1998 |
| 5728325 | Gas assist injection molding apparatus and method with multiple temperature gas supply A supply of pressurized gas is separated into a first quantity of pressurized gas at a first temperature and a second quantity of pressurized gas at a second lower temperature. The first and second quantities of gas are injected into molten plastic in an ... | 03/17/1998 |
| 5728329 | Method and apparatus for injecting a molten material into a mold cavity A method of injection molding for use with an injection molding machine includes: a) generating pressurized gas and pressurized moisture within molten plastic as plastic pellets are plasticized in the injection molding machine, the pressurized gas and the... | 03/17/1998 |
| 5723082 | Method of granulating synthetic resin by extrusion and apparatus thereof A method of granulating synthetic resin by extrusion and an apparatus thereof by which a large quantity of pellets can be effectively produced is provided. A plurality of sets of granulating sections are connected with an end of an extruder in parallel. T... | 03/03/1998 |
| 5716561 | Injection control system A method of injection molding for use with an injection molding machine (10) includes: (a) generating pressurized gas and pressurized moisture within molten plastic as plastic pellets are plasticized in the injection molding machine (10), the pressurized ... | 02/10/1998 |
| 5688534 | Apparatus for intermittently extruding a predetermined quantity of food material An extruding apparatus for intermittently supplying a predetermined quantity of highly viscoelastic material, e.g. food material. The apparatus has a hopper having a supply pump, a supply pipe having one end connected to the pump and the other end to an e... | 11/18/1997 |
| 5662841 | Method and apparatus for injecting a molten material into a mold cavity A method of injection molding for use with an injection molding machine includes: (a) generating pressurized gas and pressurized moisture within molten plastic as plastic pellets are plasticized in the injection molding machine, the pressurized gas and th... | 09/02/1997 |
| 5650179 | Apparatus for pelletizing polymers An apparatus for pelletizing a polymer melt, in which the polymer melt to be pelletized is divided in a housing of a pelletizing device into at least two part-streams, which are deflected and fed to at least two die plates which are spatially separate fro... | 07/22/1997 |
