Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8092211 | Vertical type injection molding machine A vertical type injection molding machine includes a fixed mold, a movable body, a lift mechanism, a plurality of weights, and a plurality of pulleys is provided. The fixed mold is supported by a support frame provided on a base. The movable body includes a movable ... | 01/10/2012 |
| 7993129 | Injection molding machine An injection molding machine includes a lock nut open-close mechanism provided on a moveable platen (1) to engage with at least two tie bars (3), and comprises a pair of rods (23, 24) connecting two pairs of lock nuts (21, 22), and a clam... | 08/09/2011 |
| 7854606 | Injection molding machine for processing plastics materials The invention relates to an injection molding machine comprising a machine frame (10), an injection molding unit (S, S′) and a mold closing unit (F). Said mold closing unit (F) is provided with a stationary element and a movable mold support (12) whi... | 12/21/2010 |
| 7670134 | Injection molding apparatus An injection molding apparatus capable of minimizing cracks at the corners of a mold is provided. The injection molding apparatus includes first and second molds that mate with each other to define a molding cavity, a stationary member that supports the first mold, ... | 03/02/2010 |
| 7563093 | Injection compression moulding apparatus An injection compression moulding apparatus comprises two mould parts which define a mould cavity and are mounted on two relatively movable platens of an injection moulding press. An actuator is arranged in series with the platen action on at least one of the mould ... | 07/21/2009 |
| 7507082 | Mold adjustment device of injection molding machine provided with spherical bearings A mold adjustment device of an injection molding machine is required for movement of a rear template that moves depending on a size of a mold in a toggle clamp of the injection molding machine. At this time, a spherical bearing and/or a bushing is attached to an out... | 03/24/2009 |
| 7438553 | Mold closing device for injection molding machines A mold closing device for injection molding machines, especially injection molding machines for plastic material, comprises two mold closing plates (10, 12) movable relative to each other. A displacing means (22) with an electromotive drive (26)... | 10/21/2008 |
| 7431581 | Retaining device A retaining device for an injection mold is disclosed. The retaining device has a device body which has a top surface and a bottom surface. A live bearing is mounted in the device body such that a portion of the live bearing extends above a top surface of the device... | 10/07/2008 |
| 7429169 | Clamping apparatus and molding machine A clamping apparatus having a simple configuration and capable of opening and closing dies and clamping the dies, which includes a base frame; a fixed die plate; a movable die plate; a rack fixed with respect to the base frame and extending in a die opening and clos... | 09/30/2008 |
| 7425123 | Hydraulic mold clamping unit A hydraulic mold clamping unit, in particular for an injection molding machines or a press, includes a fixed lower platen and an upper plated which is moved by an open-close mechanism in a vertical direction. The open-close mechanism includes at least one hydraulic ... | 09/16/2008 |
| 7416403 | Die clamping unit A die clamping unit includes a stationary platen, a tie bar which is attached to the stationary platen, a movable platen which is movable forwards and backwards along the tie bar with respect to the stationary platen, a first servomotor which moves the movable plate... | 08/26/2008 |
| 7402037 | Mold clamping unit The mold clamping unit comprises a column mounted in a transfer means and moving in forward and backward direction; a mold clamping piston in which clamping operation and clamping-releasing operation are performed; plurality of column teeth disposed on a surface of ... | 07/22/2008 |
| 7399436 | Die opening and closing system and die opening and closing method A die opening and closing system includes a fixed die plate holding a fixed die, a moveable die plate holding a moveable die able to move in a horizontal die opening and closing direction with respect to said fixed die plate, only one ball-screw feed mechanism movin... | 07/15/2008 |
| 7399441 | Clamping unit with a platen hydrostatically supported on a frame element A clamping unit, particularly for an injection molding machine, includes at least one moving platen which is moveably arranged on a frame element. At least one hydrostatic support is provided in an area between the platen and the frame element for facilitating back ... | 07/15/2008 |
| 7387506 | Mold apparatus In a mold apparatus, guide pins are provided at a movable mold, and guide holes are formed in a fixed mold, and even when the guide pins are offset in an arbitrary direction perpendicular to a mold clamping direction, the guide holes can be fitted respectively to th... | 06/17/2008 |
| 7371061 | Die clamping system A die clamping system enabling reduction of the size of a tie bar withdrawing mechanism, that is, a die clamping system provided with a fixed die plate, a moveable die plate, tie bars withdrawable from the fixed die plate, moveable parts engaging with the tie bars, ... | 05/13/2008 |
| 7371064 | Hydraulic device for back and forth movement of a machine part, and a clamping unit of an injection molding machine fitted with such a hydraulic device The invention relates to a hydraulic device for the back and forth movement and locking of a machine part, in particular for the opening, closing and locking of an injection molding tool. The hydraulic device comprises a cylinder (1), in which a first pressur... | 05/13/2008 |
| 7364683 | Rotary automatic transfer rail for injection molding Methods and assemblies related to a rotary automatic transfer rail for injection molding are disclosed. In one aspect, the invention includes a mold assembly. The mold assembly may include first, second, and third mold plates. The mold plates may be positioned gener... | 04/29/2008 |
| 7360391 | Control device for servo die cushion A control device, for a servo die cushion, for precisely performing force control without using a force detector. The control device includes a slide position detecting part for detecting the position of the slide, a storing part for storing information representing... | 04/22/2008 |
| 7351363 | Press for hard foam plates A press for rigid foam sheets with continuous adjustment of the spacing between the two press plates (1,3), in particular for sandwich panels with an upper and lower outer layer and, located therebetween, a core of rigid polyurethane foam. The lower press pla... | 04/01/2008 |
| 7351055 | Injection molding machine The invention provides an injection molding machine that prevents inclination of a stationary platen by a nozzle touch force. A groove is formed in a base along the axis of injection. Protrusions are provided on both lateral sides of the stationary platen. A bottom ... | 04/01/2008 |
| 7351053 | Drive unit A drive unit, in particular for a closing unit, an injection unit, or an ejector of an injection molding machine, may be used where a high axial force is applied through a hydraulic power converter. A cylinder of the power converter may be fixed relative to a frame ... | 04/01/2008 |
| 7344370 | Device and method for assembling mold for forming plastic lens A device (20) for assembling a plastic-lens-forming casting mold includes a gasket clamping mechanism (22) which clamps a gasket (2) from its axial direction, a first mold push-in mechanism (23) which pushes in an upper mold (3) fi... | 03/18/2008 |
| 7309227 | Polymeric injection mold with retractable bars for producing re-entrant molded surfaces A polymeric injection mold has stationary and movable parts mating at a parting line. The polymeric part has one or more re-entrant surfaces on both sides of the parting line, wherein the re-entrant surfaces are defined by slide bar projections inserted into the mol... | 12/18/2007 |
| 7300271 | Injection mold insert block alignment system Alignment bars are mounted to a core or cavity insert block and a portion of one end of the alignment bar projects above the plane of a molding face surface and engages with a corresponding respective mating alignment channel in the other of the core or cavity inser... | 11/27/2007 |
| 7293981 | Apparatus for injection molding using active material elements Method and apparatus for compressing melt and/or compensating for melt shrinkage in an injection mold are provided. The apparatus includes a cavity mold portion adjacent a cavity plate, a core mold portion adjacent a core plate, a mold cavity formed between the mold... | 11/13/2007 |
| 7275924 | Container having extruder for a modeling compound The invention is directed to a toy container having an integrated extruder for extruding a quantity of a deformable molding compound. The toy may include a container having a storage portion configured to receive and store components of a molding compound extrusion ... | 10/02/2007 |
| 7261555 | Closing device in a plastic injection molding machine A closing device in a hydraulic injection molding machine includes at least one pressure cylinder unit for building up locking pressure and a drive cylinder mounted in the pressure piston of the pressure cylinder unit for closing the injection mold. The drive cylind... | 08/28/2007 |
| 7258543 | Vertical micro-injection machine A vertical micro-injection machine includes a plasticizing unit, in which a feeding channel is provided and a screw or a plunger for transporting the molten material is provided in the feeding channel; an injection unit adapted to receive a metered amount of molten ... | 08/21/2007 |
| 7255553 | Light guide plate mold core and method for manufacturing the same A light guide plate mold core (1) includes a main body (13) having a molding surface (12) and a plurality of concavities (13a) formed at the molding surface. The main body is made of a material whose thermal conductivity is limited... | 08/14/2007 |
| 7252494 | Mold-closing device for an injection molding machine used for processing plastic materials Disclosed is a mold-closing device for an injection molding machine used for processing plastic materials, in which the mold supports accommodating an injection mold therebetween and a support element (13) for a mold-closing mechanism (C) are mounted on the m... | 08/07/2007 |
| 7252501 | Nozzle and apparatus for injection molding A nozzle controls flow of melt in injection molding equipment by passive actuation with opening and closing of a mold assembly. The nozzle comprises a valve pin having a pin passage therethrough movably supported within a nozzle passage and a contact arm transverse ... | 08/07/2007 |
| 7244378 | Mold clamping force correction method for toggle-type mold clamping apparatus A clamping apparatus is operable in a closure position detection mode for detecting closure of a mold on the basis of a change in a physical quantity because of closure of the mold, detecting a position of a crosshead of a toggle mechanism at the time of detection o... | 07/17/2007 |
| 7244379 | Mold protection method for mold clamping apparatus In a mold protection method for a mold clamping apparatus, a predetermined mold protection zone is set in a zone in which a mold is closed, and an anomaly such as presence of a foreign object is detected on the basis of a change in a physical quantity in the mold pr... | 07/17/2007 |
| 7241133 | Adjustment device for a movable wall of an injection molding machine A device includes a sliding base, supporting posts, and hydraulic oil; the sliding base has cavities, an oil passage communicating with the cavities, and oil seals secured around respective cavities, and it is movable along a guide rail secured on a bed of an inject... | 07/10/2007 |
| 7229268 | System for guiding a moldset into a molding machine A guiding system for guiding a moldset onto a molding machine. The guiding system includes guide grooves on each side of a core plate of the moldset and guide slots on a face of the machine. A slightly raised surface is provided in a top portion of the guide slots a... | 06/12/2007 |
| 7220117 | Nozzle and apparatus for injection molding A nozzle for controlling flow of melt in a mold assembly comprises a valve pin guide interposed between a nozzle inlet and nozzle outlet, a valve pin movably supported thereby, and a contact arm engaging the valve pin and transverse to and passing through the valve ... | 05/22/2007 |
| 7217116 | Clamping mechanism for injection molding machine A guide member having guide faces is mounted on a base frame of an injection molding machine. Adjusting mechanisms are fixed to a platen. The inclination of a moving platen with respect to a stationary platen in a horizontal direction is adjusted by adjusting the pr... | 05/15/2007 |
| 7217383 | Mold closing device with mold height adjustment and method for actuation thereof A mold height adjustment device for modifying the distance between the stationary mold carrier and a support element by means of a drive mechanism is provided in a plastic injection molding machining. A locking device locks the support element in its respective posi... | 05/15/2007 |
| 7213508 | Molded egg-shaped food product, and method and mold for making same A mold for making an egg-shaped food product includes top and bottom mold halves which cooperate when joined to form an egg-shaped interior mold cavity adapted for receiving a liquid foodstuff. The top and bottom mold halves define a plurality of thermal transit hol... | 05/08/2007 |
