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| Number | Title | Issue Date |
| 7179075 | Vertical injection molding machine A vertical injection molding machine designed to move up/down a large weight by a toggle link mechanism so as to perform mold opening/closing. In a foreign matter detection region where a mold opening/closing servo-motor is subjected to speed feedback control during... | 02/20/2007 |
| 7112049 | Deep-drawing tool The invention is concerned with a compression molding device (1) with a tool (3) generating at least a part of the work-piece geometry. At least one pressure measuring means (5) and/or at least one pressure space (4) is located directly b... | 09/26/2006 |
| 7041242 | Mold-clamping control method for injection molding machine The value of a monitor item is detected in a monitor region predetermined in relation to a mold closing operation during the course of a mold clamping step. Emergency processing is performed when the detected value exceeds a threshold value. There are preset an anom... | 05/09/2006 |
| 6921258 | Ejector device for an injection molding machine for plastics The invention relates to an ejector device for an injection-molding machine for plastics, having at least one ejector pin, which can be moved toward the mold and away from the latter through the center of a moveable die clamping plate by an actuator. In this arrange... | 07/26/2005 |
| 6652785 | Operatorless extrusion system An extrusion system controller monitors the movement of an extrudate using a motion detector. Upon detection that the extrudate is no longer moving along its path of movement at the appropriate speed, the controller causes power interruption to the extrus... | 11/25/2003 |
| 6478566 | Slide guide device, knockout device, and press machine using the same A middle liner of a slide guide device for a machine press has a spherical shaped side which fits into a sliding gib attached to a slide. The middle liner slides along a fixed gib at first and second linear surfaces that are at an angle with each other. T... | 11/12/2002 |
| 6409495 | Mold protection device for injection molding machine A mold protection device for an injection molding machine capable of automatically setting a reference value for detecting an abnormal load exerted on a mold in a mold closing process. A load exerted on a servomotor for driving a mold clamping mechanism i... | 06/25/2002 |
| 6276916 | Failsafe shooting pot actuator for an injection molding machine A failsafe device, or pressure relief mechanism, for a shooting pot actuator in an injection molding machine. The shooting pot actuator has a multiple pusher rods mounted on one, or more, plates. Moving the plate holding the pusher rods depresses the shoo... | 08/21/2001 |
| 5932155 | Method and apparatus for providing overload protection in compression molding machines A method and apparatus for making plastic articles utilizing a plurality of tools, each of which is moved by cams and includes a nitrogen cylinder wherein provision is made for catastrophic overload prevention. For catastrophic overload prevention, one of... | 08/03/1999 |
| 5582843 | Manufacture of solvent-spun cellulose fibre and quality control means therefor In a system for the production of solvent-spun cellulose tow, trash and other undesirable material is detected by a device which projects a light beam across the tow and a receiver for the beam which initiates a signal if the beam is obscured beyond a pre... | 12/10/1996 |
| 5542835 | Leak detector for an injection moulding machine A leak detector for a plastics injection molding machine comprises a small diameter conduit (20) located adjacent to a potential leak site on or associated with the machine, through which a regulated supply of air is emitted. When the conduit outlet (26) ... | 08/06/1996 |
| 5493961 | Continuous board-making press including press plate deformation safety device A press for making pressed board has a plurality of longitudinally spaced rigid frames, a lower press plate extending longitudinally through and secured to the frames, and a normally planar upper press plate extending longitudinally above the lower plate ... | 02/27/1996 |
| 5478512 | Method of detecting cam overload in a plastic molding apparatus A monitoring system provides a method of operating a compression plastic molding apparatus which entails substantially continuously monitoring the position of an upper compression cam of the apparatus, against which a rotatably movable mold assembly react... | 12/26/1995 |
| 5271318 | Folding table for a press, with a security device to cause the immediate fall of the table in the case of an overload A movable table 1 which rests on a mechanism with two upper parts 3 and two lower parts 4, situated on a fixed counter table 2 under which there is an electromagnet 6, which attracts a counter-weight 5 joined by way of bars 7 to a central ball-and-socket ... | 12/21/1993 |
| 5225209 | Apparatus for stretching dough A dough-stretching roller apparatus is provided to produce a continuous web of dough in a process to manufacture confectionery and bread. The apparatus includes a pair of upper rollers and a pair of lower rollers, a sensor that measures the width of the d... | 07/06/1993 |
| 5147491 | Form, fill and seal process and device A detection apparatus is provided in a form, fill and seal operation to detect the position of sealing jaws with respect to one another during the sealing process.... | 09/15/1992 |
| 5044913 | Device at multi platen presses A loading elevator for a multi-platen press is provided with a pusher which simultaneously transfers a number of transport plates loaded with stampings to the press. After press operations are completed, the plates are unloaded by an extractor to an unloa... | 09/03/1991 |
| 4995802 | Apparatus for extruding plastic materials An apparatus for extruding plastic materials, particularly plastic explosives or propellants, has a casing, at least one pressing member moving therein, e.g. a rotating extruder screw and a shaping retainer plate terminating the casing at the outlet side,... | 02/26/1991 |
| 4993932 | Clay dough toy extruder The present invention is directed to a toy molder/extruder which is used for cold molding and/or cold extruding of clay dough with the use of toy molds and toy dies. This toy has a main housing with a base, an upright middle section and a top. A pinion ge... | 02/19/1991 |
| 4975227 | Method for removing clogging of a nozzle in a motor-driven injection molding machine A method for removing resin clogging a nozzle in a motor-driven injection molding machine, which is capable of removing resin clogged in the nozzle without an excessive load being continuously applied to a servomotor for driving a screw. When the nozzle i... | 12/04/1990 |
| 4971540 | Apparatus for laying a mat of fibrous material An apparatus for laying a mat of fibrous material which includes an upwardly inclined belt onto which the fibrous material is fed, one or more combing roller located above the belt, a stripping roller at the upper end of the belt for removing the material... | 11/20/1990 |
| 4815956 | Insole feeding apparatus for a molding press Insole feeding apparatus for a molding press having an insole receiving cavity to receive insoles from a support structure that carries dual trays which hold insole supplies alternately positionable to allow insoles to be picked out of a tray and placed i... | 03/28/1989 |
| 4759890 | Process for monitoring a screw or worm extruder, particularly a pin-cylinder extruder In operation of a screw extruder, particularly a pin extruder, processing a rubber or a plastic mixture, troubling disturbances and on occasion heavy damage occur when foreign bodies are introduced into the extruder with the material to be processed causi... | 07/26/1988 |
| 4708620 | Machine for molding articles by injection molding or die casting In a die-casting or injection molding machine transducers are provided for generating a signal corresponding to the injection pressure as well as a signal in accordance with the velocity of the ram device, i.e. the injection screw or the injection piston ... | 11/24/1987 |
| 4685875 | Pressure relief device for extrusion apparatus A discharge nozzle connected to the outlet of an extruder is built wedge-shaped in vertical longitudinal section and comprises a lower housing part and an upper housing part. The upper housing part is adapted to be swung open by being pivoted around a piv... | 08/11/1987 |
| 4652226 | Apparatus for the continuous production of electrode material The continuous production of electrode material consisting of pitch, coke dust and coke particles of variable sizes comprising the steps of mixing and kneading the components in a horizontally arranged mixing and kneading device. An extruder is provided a... | 03/24/1987 |
| 4600150 | Spraying system utilizing a screw conveyor A spraying system includes a screw conveyor to transmit material to be sprayed from a storage container to a spray nozzle. A predetermined torque is maintained on the screw to thereby maintain a predetermined pressure on the material within the conveyor, ... | 07/15/1986 |
| 4589830 | Press control system A press control system for presses fitted with floating platens or tools employs hydraulic cylinders and a spring loaded accumulator to bias the floating element against position change on press closure. The hydraulic pressure in the bias system is compar... | 05/20/1986 |
| 4588364 | Clamp mechanism A clamp mechanism for selectively locking and unlocking a first member in a first position relative to a second member comprises a linkage system connecting the first and second members and drive means for articulating the linkage system for moving the fi... | 05/13/1986 |
| 4548566 | Automatic machine for forming and distributing bakery products of various shapes in baking tins Disclosed herein is a machine comprising a sweetened paste kneading device that supplies an extrusion group constituted by two telescopically coupled, vertical tubular blocks, namely a first fixed tubular block and a second movable tubular block closed at... | 10/22/1985 |
| 4536144 | Reversing mechanism for safety gate of injection molding machine A drive-reversing safety mechanism for the motor-driven safety gate of an injection molding machine, featuring a channel-shaped contact bar which is pivotably attached to the outer vertical corner on the leading edge of the safety gate and biased forwardl... | 08/20/1985 |
| 4515544 | Mold protection device Sensor arranged to detect the proper placement and quantity of one or more inserts in the cavity of an injection molding machine. The sensor is preferably formed of a spring-biased plunger through one of the cavity shells. A photodetector monitors the mov... | 05/07/1985 |
| 4514161 | Hydraulic roll protection system A hydraulic roll protection system in which positioning of an adjustable roll relative to a fixed roll is caused by adjusting screws acting on movable journal boxes through a pressurized piston cylinder device. A relief valve between a hand pump and the c... | 04/30/1985 |
| 4473345 | System for detecting solid obstacles between confronting surfaces of pressure plates An inlet gas pressure passageway is associated with the movable mold section of a molding press and terminates at and therefore in the plane of the surface of said movable mold section which confronts the surface of the fixed mold section of the press. An... | 09/25/1984 |
| 4412798 | Mold clear detector An apparatus for detecting the retention of non-ejected parts in the cavity of a plastic molding machine and inhibiting the operation of the molding machine in response thereto. The apparatus employs a set of photocells coupled via associated fiber optic ... | 11/01/1983 |
| 4302172 | Extrusion die assembly An adjustment mechanism for a restrictor bar in a die construction of the type in which such restrictor bar is movable into and out of the internal flow path of the die so as to regulate extrusion of material therefrom. The restrictor bar movement is in a... | 11/24/1981 |
| 4298322 | Venting means for screw extruders In venting means for a screw extruder, particularly for thermo-plastics material, which venting means comprises a substantially vertical venting shaft communicating with the bore of a cylinder of the extruder and coupled to a low pressure source by a pipe... | 11/03/1981 |
| 4290701 | Injection-molding machine with reciprocating plasticizing screw A plasticizing screw of an injection-molding machine, axially movable in an extruder barrel, is driven by a tubular input shaft via a splined quill partly retractable into the shaft with which the quill is coupled through an internally and externally spli... | 09/22/1981 |
| 4284397 | Device for drawing thermoplastic preforms during the blow molding thereof Device for the longitudinal drawing of thermoplastic preforms possessing a closed base and an open neck during the blow moulding of these preforms comprising a rod introduced in the preforms through their open neck and arranged so as to exert a controlled... | 08/18/1981 |
| 4254414 | Processor-aided fire detector A fire detection system which includes an environmental sampling assembly upled to a programmable digital processor for detecting a threat of fire and reducing the occurrences of false alarms in a changing environment. The sampling assembly comprises a ne... | 03/03/1981 |
