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| Number | Title | Issue Date |
| 7611350 | Injection molding apparatus and method for the use such an injection molding apparatus An injection molding apparatus provided with a central control and with a screw which extends in a cylinder, which cylinder is provided with a filing opening and with a nozzle, the screw being drivingly connected with two controllable electric motors such that a mov... | 11/03/2009 |
| 7306447 | Injection unit comprising a spindle drive and hydraulic support Disclosed is an injection unit (1) for an injection molding machine, comprising a screw (4) that is driven by means of a spindle drive (18). The spindle drive (18) is driven via an electric motor (6). Additionally, a force that act... | 12/11/2007 |
| 7004741 | Rubber extruder A rubber extruder includes a barrel, a screw rod extending into the barrel, a threaded member threadedly engaging the screw rod and rotatable relative to the screw rod, a limiting member for limiting rotation of the screw rod upon rotation of the threaded member so ... | 02/28/2006 |
| 6821109 | Resin material supply apparatus and method A resin material supply apparatus and a method thereof ensuring the supply of a predetermined amount of resin material and improved molding quality. The resin material supply apparatus includes a weighing unit which allows a predetermined amount of resin material to... | 11/23/2004 |
| 6790020 | System for producing foamed article, a molten resin preparing apparatus and a molding apparatus for use in foamed article production system Disclosed is a system in which carbon dioxide is supplied to a pressure chamber of a molten resin preparing apparatus which has established a certain temperature environment to diffuse the carbon dioxide in a material synthetic resin in a molten state. After turning... | 09/14/2004 |
| 6443722 | Electric injection assembly for injection presses for plastic materials An electric injection assembly for injection presses for plastic materials, comprising a plasticating screw (5) that performs a translational feed movement during injection of the plastic material into a mould cavity and a rotary movement around its own a... | 09/03/2002 |
| 6425753 | Injection unit for an injection molding machine An injection unit for an injection molding machine has a plasticising cylinder and a plasticising screw arranged axially displaceably therein. The plasticising cylinder is fixedly connected to a housing which, at two mutually opposite walls, carries a res... | 07/30/2002 |
| 6340439 | Depressurization method in plasticization and metering process for a motor-driven injection molding machine A motor-driven injection molding machine comprises an injection device which includes a heating cylinder for heating resin powder therein to melt the resin powder into molten resin and a screw disposed in the heading cylinder for feeding the molten resin ... | 01/22/2002 |
| 6284167 | Method and apparatus for purging leaked resin in a preplasticization injection molding machine When a process measurement metering operation is performed during a molding cycle, a plunger is forcibly caused to retract to a position behind measurement metering completed position, while at the same time a periodic forced purge operation is implemente... | 09/04/2001 |
| 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 |
| 5429489 | Volumetric blending, mixing and extruding of polymer like materials Side by side extruders provide an extrusion apparatus which has an imposed order of longitudinal displacement of the process material in relation to itself so that cross-shearing is directed to newly aligned material in a manner which achieves volumetric ... | 07/04/1995 |
| 5022847 | Injecting unit for use in an injection molding machine In an injecting unit of an injection molding machine, a feeding unit is mounted on a feeding block and serves to feed the material to be processed through a shaft into a plasticizing cylinder. The feeding unit is mounted on a carrier, which is slidably mo... | 06/11/1991 |
| 4975039 | Food molding and portioning apparatus A molding and portioning apparatus is intended primarily for processing formable food products into individual portions of uniform shape, size and weight, while doubling output. The apparatus includes first and second spaced hoppers which receive a supply... | 12/04/1990 |
| 4917587 | Apparatus for the production of building units from afterhardening materials The invention relates to an apparatus for the production of building units from an afterhardening mixture containing cement and/or lime as binding material. The raw mixture is continuously fed and pressed by stamping into a die with CO2 gas at ... | 04/17/1990 |
| 4824255 | Drive apparatus for a screw injection molding unit and a process for its operation A drive apparatus useful in screw injection molding apparatus is disclosed. The apparatus is particularly useful when both axial and rotational movements are required because the invention discloses a construction that reduces the wear attributed to seali... | 04/25/1989 |
| 4718840 | Injection/measurement mechanism of injection molding machine A large-output injection/measurement mechanism of an injection molding machine, which uses measurement and injection servo motors as its drive source. A plurality of ball screws are rotatably provided between front and rear plates of the injection molding... | 01/12/1988 |
| 4693676 | Screw-rotating/injection mechanism of injection molding machine A screw-rotating/injection mechanism of an injection molding machine has a screw shaft (1) having a rear portion thereof connected to a drive shaft (1') which is rotatably fixed to a pressure plate (4). A nut (6) which is spline-coupled to a spline shaft ... | 09/15/1987 |
| 4629410 | Dual-hopper injection unit for injection molding machine A dual-hopper supporting structure for the injection unit of an injection molding machine which has a transverse horizontal guide plate slidingly guiding a hopper carriage. To the upper side of the latter are bolted the base assemblies of two raw material... | 12/16/1986 |
| 4565518 | Mechanism for forming threads in injection molded parts A mechanism for forming threads in injection molded parts includes a core member having a threaded end which is moved into and out of a mold cavity. The core member is slidably and rotatably mounted on a support and is driven by a motor through a first lo... | 01/21/1986 |
| 4118169 | Molding apparatus A simplified molding apparatus comprising a hopper adapted to contain ground meat or any other moldable food product which is fed into an intake in a movable portion of a mold for forcing the meat through a passage into a molding cavity, the cavity being ... | 10/03/1978 |
