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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 8177543 | Demolding device for demolding a tool from a mold A demolding device (10) for demolding a work piece from a mold comprises a hold-down element (18) that is disposed between the mold pieces in the closed state of the mold and extends up to or into a cavity provided for producing the work piece. A contr... | 05/15/2012 |
| 8162657 | Device for removing broken runner system from an injection mold A removing device includes a fixture, an extendable and retractable arm, a heating rod, and a rotatable head. The fixture includes a top surface, a bottom surface, and a hole extending from the top surface to the bottom surface. The arm is threadedly engaged in the ... | 04/24/2012 |
| 8142185 | Injection mold forming a product having a barbed structure A mold for making a product having a barbed structure at an intermediate position thereof has a stationary mold including a fixing board, a mold board, a core, an oblique block, a limiting element, and an elastic element. The mold board has a trough and a limiting c... | 03/27/2012 |
| 8062026 | Device for injection molding The present disclosure relates to a device for the injection molding of an item including at least one face, a protruding peripheral part provided with an edge for the connection with another face, said device including mold elements movable with respect to each oth... | 11/22/2011 |
| 8033818 | Injection mold An injection mold for insert molding includes a stationary plate, a first core and a second core. The stationary plate defines an upper surface and a side surface perpendicular to the upper surface. The upper surface has a slot at a middle portion thereof. The slot ... | 10/11/2011 |
| 7802982 | Grooved-surface air conduit for injection molds An improved mold assembly for producing an article and for use with an air source is disclosed. The mold assembly is of the type including at least two mold portions configurable to form a mold having an interior mold cavity in the shape of said article, one or more... | 09/28/2010 |
| 7798807 | Plastic injection mould tool The present invention relates to plastic injection molding tool, having a front and a rear tool half which, in the closed state, delimit a hollow molding chamber between them. The rear tool half has at least one ejector and at least one oblique slide. The ejector is... | 09/21/2010 |
| 7762805 | Injection moulding machine having a plurality of de-moulding directions An injection moulding device for producing an injection moulding has a first (16a, 16b) and a second (14) mould plate which can be moved relative to each other in the closing direction. Furthermore, the injection moulding device co... | 07/27/2010 |
| 7686609 | Apparatus for molding proppants and method An apparatus for molding a proppant is disclosed. The apparatus comprises a first member comprising a manifold for channeling a plastic fluid to a cavity block, with the cavity block containing a plurality of semi-spherical cavities. The apparatus further includes a... | 03/30/2010 |
| 7661951 | Apparatus for injection molding An injection molding apparatus for injection molding a component includes a first mold half, a second mold half, an eject pin, a receiving container and a blocking device. The second mold half is placed opposite to the first mold half. The eject pin penetrates throu... | 02/16/2010 |
| 7597550 | Molding apparatus having ejector sleeve and ejector pin An molding apparatus includes a core having a recessed part corresponding to a protruding part of a molded article, an ejector pin movably provided in the core to eject the molded article, an ejector sleeve movably provided in the core to push the protruding part of... | 10/06/2009 |
| 7591643 | Mold with ejector pin cooling In a molding method and a mold therefore, a fluid flows through an ejector pin including a front end surface movable with respect to the mold to release or remove from the mold at least a part of a product made from a melted material so that the front end surface of... | 09/22/2009 |
| 7458805 | Gripping and positioning tool for molding machine A gripping and positioning tool to properly position elements into an open mold of a molding machine is described herein. The tool includes a base that receives the element and that may be moved along three orthogonal axes and tilted in two directions with respect t... | 12/02/2008 |
| 7442032 | Injection mold having a cam actuator to move a sliding block An injection mold includes a first mold part (10), a second mold part (50) mating with the first mold part, a sliding block (20), a cam actuator (30), and a rack (40). The sliding block is movably disposed on the first mold part. T... | 10/28/2008 |
| 7438552 | Dispenser for medicaments and method and apparatus for making same A dispenser assembly for liquid products comprising an elongated, generally cylindrical barrel of a predetermined internal cross-sectional diameter having a discharge opening at one end and open at its opposite end, an elongated, generally cylindrical hollow plunger... | 10/21/2008 |
| 7435079 | Angular ejector mechanism and injection mold with the same An angular ejector mechanism for ejecting a plastic article with a recess in an inner side includes an angular ejector pin, a sliding pin, an elastic elements and a stopping block. The angular ejector pin includes a molding plate and a supporting plate. A moving hol... | 10/14/2008 |
| 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 |
| 7431580 | Mold for forming workpiece An exemplary mold for forming a workpiece includes a first core holer, a first core member, a second core holer, a second core member, a mounting member, and an adjusting member. The first core member is mounted in the first core holer, the second core holer is conf... | 10/07/2008 |
| 7422425 | Drive system for a knockout apparatus for a patty-forming machine A knockout drive system for a food patty molding machine includes an electric motor; a rotary-to-linear motion converting apparatus operatively connected to the electric motor; and at least one knockout member operatively connected between the rotary-to-linear motio... | 09/09/2008 |
| 7393197 | Injection molding machine having a side-injection sub-assembly and a method for accessing a hot passage distributor system contained therein An injection molding machine having a side-injection sub-assembly and a method for providing access to a hot passage distributor system therein. The injection molding machine includes a side-injection sub-assembly having an injection mold part and the hot passage di... | 07/01/2008 |
| 7381041 | Injection mold assembly A method and assembly for molding golf balls is disclosed herein. The invention includes an injection mold assembly (20) with a first mold half (22a) having a plurality of cavities and at least one locating pin (92) and a second mold half... | 06/03/2008 |
| 7381049 | Injection mold An injection mold including a connecting structure for separating confronting faces of a slide member and a mold base, respectively, during a movement of the slide member. In accordance with several embodiments of the invention, the connecting structure may include ... | 06/03/2008 |
| 7374419 | Gating structure for mold A gating structure (13) for molding connects with a mold cavity (300). The gating structure includes a first gate (100), a second gate (200), an ejector sleeve (400) and an ejector pin (500). The second gate connects with th... | 05/20/2008 |
| 7364424 | Article moving apparatus configured for molding machine Disclosed is an article moving apparatus. ... | 04/29/2008 |
| 7364423 | Article moving apparatus configured for a molding machine Disclosed is an article moving apparatus configured to move an article relative to a first mold half and a second mold half of a molding machine. The article moving apparatus includes an arm configured to grasp and release the article, and also include an arm recipr... | 04/29/2008 |
| 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 |
| 7361011 | Ejector system The invention concerns an ejector system, where the ejectors or the stripper plates (10) in the turnable tool part(s) (8) are being activated in turn after each turning and opening/closing cycle in the machinery by means of a stationary placed mechanis... | 04/22/2008 |
| 7354264 | Method and system for controlling product flow on a food product molding machine A manifold for a food product molding machine, which balances the flow and pressure of the food product over a wide fill area. The invention further relates to a feed system for a food product molding machine which has a multiple plunger configuration which increase... | 04/08/2008 |
| 7351369 | Molded twist-on wire connector A wire connector wherein the wire engaging core and electrically insulated housing are molded with an exterior surface of a molded wire engaging core used as a mold surface as the electrically insulated housing is molded around the wire engaging core to provide a wi... | 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 |
| 7351050 | Side shuttle apparatus and method for an injection molding machine Servo side shuttle apparatus and method for a molding machine includes structure and/or steps whereby a shuttle plate is disposed adjacent at least one of a first mold half and a second mold half of the molding machine. A guidance assembly is coupled to the mold hal... | 04/01/2008 |
| 7347964 | Method and apparatus for demolding a golf ball An apparatus and method for demolding golf balls from a mold cavity are disclosed. More specifically, an apparatus and method for demolding a golf ball from a mold cavity subsequent to forming a cover layer without the use of ejector or knockout pins are disclosed. ... | 03/25/2008 |
| 7338279 | Air bag cover body forming apparatus An air bag cover body forming apparatus, comprising forming molds (2A, 2B), groove-forming blades (3), and support rods (4), wherein the forming molds form a cavity (20) for forming a resin air bag cover body (1) having air ... | 03/04/2008 |
| 7335013 | Drive systems for a reciprocating mold plate patty-forming machine A drive system reciprocates a mold plate between a cavity fill position and a patty discharge position, and can also reciprocate knock out plungers to discharge molded food patties from cavities in the mold plate at the patty discharge position. This drive system in... | 02/26/2008 |
| 7333057 | Stacked patch antenna with distributed reactive network proximity feed A stacked patch antenna including a distributed reactive network proximity feed, preferably implemented in a microstrip metallization network, coupled to an active antenna patch element to feed the active antenna patch element to emit a field to parasitically stimul... | 02/19/2008 |
| 7326045 | System for releasing molded part from entrapping core rings Core portion of injection mold forms a central boss. An annular trough surrounds the central boss, the boss forming an inner trough wall. An annular core ring is positioned in the annular trough adjacent the inner trough wall. A plurality of slide segments are attac... | 02/05/2008 |
| 7322816 | Mold for forming disk substrate To form a disk substrate 42 having a no information area at low cost and without failure, a mold 12 is provided for forming a disk substrate 42 having a no information area 44. A cavity 32 of the mold 12 has a surface 50 | 01/29/2008 |
| 7318723 | Frame for a patty-forming apparatus A frame structure is provided for a reciprocating mold plate type food product forming apparatus. The frame structure includes an angular strut configuration for resisting horizontal reciprocating forces caused by the reciprocating mold plate and associated drive, a... | 01/15/2008 |
| 7316553 | Drive assembly for rotating and translating a shaft A drive assembly for rotating and translating a shaft comprising a hollow shaft motor and a fluid cylinder. The hollow shaft motor rotates the shaft and the fluid cylinder moves the shaft lengthwise. The drive is particularly useful in the injection unit of an injec... | 01/08/2008 |
| 7309228 | Hydraulic pump system for a patty-forming apparatus An improved hydraulic system is provided for a reciprocating mold plate, patty-forming apparatus wherein food product is delivered under pressure from a pump cylinder to mold plate cavities. The plunger is driven during a first phase by force from a hydraulic cylind... | 12/18/2007 |
