Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 8182261 | Bottom insert with heat insulation A bottom insert for a mold cavity for the production of moldings of plastic material. The mold cavity has a main body with a hot side which has a recess for receiving molten plastic material under pressure and a cold side having a recess, the inside contour of which... | 05/22/2012 |
| 7798806 | Two-piece bottom insert for a mold cavity A bottom insert for an injection mold, which insert is of a two-part configuration having a hot part which has a recess of the hot side and a cold part which has a recess of the cold side, wherein the cold part is arranged at least partially within the hot part so t... | 09/21/2010 |
| 7645135 | Mold for injecting molding preforms This invention relates to methods and apparatus for making articles made of polyester, preferably polyethylene terephthalate (PET), having coated directly to at least one of the surfaces thereof one or more layers of thermoplastic material with good gas-barrier char... | 01/12/2010 |
| 7367795 | Injection mold having a wear resistant portion and a high heat transfer portion Disclosed is a preferred mold design for producing plastic, injection molded preforms, which may be blow-molded into a container of a final, desired shape. A preferred mold includes a combination of hardened material components and high heat transfer material compon... | 05/06/2008 |
| 7284778 | Device for carrying preforms comprising improved gripping means A device for carrying a preform in a temperature condition oven, including a gripping device provided with gripping claws, which enclose an outer surface of the neck of the preform. An inner core is provided that penetrates axially inside the neck over a distance su... | 10/23/2007 |
| 7264464 | Cooling tube with a low friction coating An intimate fit preform cooling tube with an inner mating surface that includes a polymeric coating to increase its lubricity and thereby reduce friction with a preform to be engaged therewith. The cooling tube of the present invention substantially reduces or elimi... | 09/04/2007 |
| 7261551 | Preform molds incorporating high heat conductivity material This invention relates to methods and apparatus for making articles made of polyester, preferably polyethylene terephthalate (PET), having coated directly to at least one of the surfaces thereof one or more layers of thermoplastic material with good gas-barrier char... | 08/28/2007 |
| 7220119 | Pre-stressed tie rod and method of manufacture The present invention relates to a pre-stressed tie rod and method of manufacture. The pre-stressed tie rod can be used on injection molding machines to increase the length of the tie rod and movement of the platen, wherein the tie rods are loaded to restrict mold s... | 05/22/2007 |
| 7214341 | Method of injection molding a preform including a radially extending element A method and apparatus for injection molding an article including a radially extending child resistant feature. Finish block halves are provided that include a pocket and that are closable together to form a neck-finish mold cavity. Mold body halves are provided tha... | 05/08/2007 |
| 7163390 | Machines and process for injection-moulding plastic material In the molding of parisons made of thermoplastic material for making bottles for containing effervescent beverages, resistance to bursting of the bottles is increased considerably the gasket (4) between the injector nozzle (3) and the injection cavity ... | 01/16/2007 |
| 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 |
| 7131625 | Ejector pin and method An insert for a mold comprising a plug, having an insert face, and a receiver defined by a sidewall with one of the plug and the receiver having a groove that receives a guide that extends from the other of the plug and the receiver so as to facilitate rotation of t... | 11/07/2006 |
| 7128865 | Apparatus and method for two stage ejection of a molded preform from a mold Injection molding method and apparatus for ejecting a molded plastic preform from a mold. A first lifting structure and/or step is configured to have an inner surface with an area for sealing and aligning with a complementary surface on a core, and to have an upper ... | 10/31/2006 |
| 7114945 | Blow mold device The shifting of the parting line between split molds due to mold clamping force is prevented. A blow mold device (11) wherein a pair of split molds forming a blow cavity (12) are a set of molds, and a plurality of such sets are attached in parallel to ... | 10/03/2006 |
| 7108501 | Injection blow moulding apparatus for producing biaxial oriented thermoplastic containers The present invention refers to an Integrated Injection-Stretch-Blow Mold suitable for producing bi-orientated thermoplastics containers, which can be installed in an injection molding machine, occupying the space normally destined for injection molds. It consists o... | 09/19/2006 |
| 7104780 | Platen mounted post mold cooling apparatus and method Platen-mounted, post-mold cooling apparatus and method includes structure and/or steps for handling molded parts in an injection molding machine having a fixed platen, a moving platen, a core half, and a cavity half. A take off device coupled to the fixed platen is ... | 09/12/2006 |
| 7101167 | Method and a device for manufacturing a tool and a tool made by the method A rotary tool such as a helix drill and an end mill for example, is manufactured by forming a blank by an extrusion process, and then sintering the blank. During the extrusion, a mixture is passed through a die which provides a cylindrical shape to the outer periphe... | 09/05/2006 |
| 7094377 | Apparatus and method for handling and cooling plastic preforms Apparatus for handling and cooling preforms, comprising a collection element provided with a plurality of receptacles arranged according to a definite geometrical distribution pattern and adapted to accommodate a corresponding plurality of preforms, as well as a coo... | 08/22/2006 |
| 7083407 | Preform holding jig for biaxial orientation blow molding A holding jig for such a preform formed of a synthetic resin into a bottomed cylindrical shape as is to be assembled by inserting a mouth cylinder portion to an insertion limit into the leading end portion of a cylindrical jig body having a pin inserting bore formed... | 08/01/2006 |
| 7077641 | Preform conveying device An object of this invention is to provide a preform conveying device of high production efficiency under the technical theme of aligning the plurality of preforms in single rows at high speed, while eliminating contact of individual preforms with other preforms and ... | 07/18/2006 |
| 7056465 | Post mold cooling apparatus and method having transverse movement Post mold cooling apparatus and method having transverse movement preferably includes structure and/or steps for cooling a plurality of plastic articles molded on a row of mold cores. A post mold cooling device is provided having (i) a first row of cooling tubes con... | 06/06/2006 |
| 7054964 | Method and system for bit-based data access A system and a method for transcoding multiple media channels are provided. The system includes a first processor to parse a media data stream having one or more media data channels and a vector processor to decompress, scale, and then compress the parsed media chan... | 05/30/2006 |
| 7052270 | Post mold cooling apparatus Post mold cooling apparatus and method having transverse movement preferably includes structure and/or steps for cooling a plurality of plastic articles molded on a row of mold cores. A post mold cooling device is provided having (i) a first row of cooling tubes con... | 05/30/2006 |
| 7052644 | Continuous production of molded plastic containers A system for making plastic containers includes a source for providing a continuous stream of molten plastic, and a cutter for severing a continuing series of individual mold charges from the continuous molten plastic stream. A compression molder includes a pluralit... | 05/30/2006 |
| 7033162 | Injection blow molding device An injection blow molding device in which a lip mold is formed in different shapes for an injection mold and a blow mold. Mold clamping surfaces corresponding to the different shapes are formed on the injection mold and the blow mold, respectively, to prevent an air... | 04/25/2006 |
| 7025924 | Dual container system and method of manufacturing the same There is provided a container system adapted to withstand a single impact or repeated impacts. The container system features a first container having a first container body. The container system further features a second container which has a second container body. ... | 04/11/2006 |
| 7001172 | Clamping device for injection blow or injection stretch blow molding machine The mold opening speed is increase by upward moving a movable plate of a vertical clamping device for an injection blow molding machine by hydraulic cylinders at the both sides instead of a booster ram. The following are used: a lower base plate with an injec... | 02/21/2006 |
| 6986653 | Post mold cooling apparatus and method having transverse movement Post mold cooling apparatus and method having transverse movement preferably includes structure and/or steps for cooling a plurality of plastic articles molded on a row of mold cores. A post mold cooling device is provided having (i) a first row of cooling tubes con... | 01/17/2006 |
| 6986863 | Containers A container is made in two stages from thermoplastics material. In the first stage a preform (1) is injection moulded, the mould parts easily releasing a tubular body (2) with a closed end and an outwardly projecting rim (3) at the open end. In ... | 01/17/2006 |
| 6984119 | Dual-chamber container, and method and apparatus for its manufacture A dual-chamber container is formed in an injection blow molding process. Two preforms are injection molded around respective core rods. The preforms and core rods are then moved to a blow mold, in which the preforms are molded to the confines of the mold. The blow m... | 01/10/2006 |
| 6951629 | Blow mold and method for adjusting a blow mold A blow mold (1) for a stretching machine or a glass blowing machine, comprising two mold halves (3, 4) which are pivotably connected by at least one connecting pin (2), and a shutting device and locking device in the form of a closing clamp (... | 10/04/2005 |
| 6951452 | Cooling station for post mold cooling of plastic pieces Method and apparatus for cooling molded plastic pieces preferably includes a take out structure/step configured to hold the plurality of plastic parts oriented such that closed ends thereof are disposed toward an inside of the take out structure and open ends thereo... | 10/04/2005 |
| 6923637 | Blow molding machine Each of the clamping plates of the closing unit of the blow molding machine has secured thereto a pivotable locking means which in the calibration position in the swung-up state comes into engagement with a plate which is part of the calibration device. A short fric... | 08/02/2005 |
| 6904925 | Gas assist mold dump valve This invention concerns a gas assist mold dump valve positioned between a gas controller and a mold cavity. Preferably, the valve includes a pressure regulator having a body with a gas inlet and a gas outlet. A vent is formed in the body between the gas inlet and th... | 06/14/2005 |
| 6887418 | Post mold cooling of preforms Post-mold cooling of injection molded plastic articles such as preforms is achieved by transferring the articles directly from the mold cavities onto cooling cores carried by a take-out plate. The molded articles are supported on the cooling cores until they become ... | 05/03/2005 |
| 6848899 | Injection stretch blow molding device with transfer station and pitch changing for blow molding In an injection stretch blow molding method, at least one injection molded preform is transferred from a preform molding section to a blow molding section by way of a transfer section and the at least one preform is blow molded into at least one container in the blo... | 02/01/2005 |
| 6848900 | Apparatus for handling injection molded preforms A simplified perform handling device including an end-effector arranged to substantially conform, in use, to an end portion of a preform and to seal therewith. The device also includes an aligning jig to align the preform with the end-effector. The device provides i... | 02/01/2005 |
| 6796785 | Hollow article made of thermoplastic resin, manufacturing method of the hollow article, and manufacturing apparatus of the hollow article An apparatus for manufacture of a hollow article having a configuration in which the wall thickness of each of both end portions changes multidirectionally with extremely high accuracy. The apparatus includes an annular orifice nozzle including a nozzle core and a n... | 09/28/2004 |
| 6730260 | Parts transfer method and apparatus for an injection stretch blow molding system The invention provides a method and apparatus for transferring parisons from an injection-molding machine to a blow-mold machine on an indexed table. The injection-molding machine creates multiple groups of parisons during an injection cycle. The groups from each cy... | 05/04/2004 |
| 6726466 | Injection blow molding machine and clamping device A clamping device for an injection blow molding machine incorporates separate clamp movement actuators for joining or separating opposing mold parts and clamping actuators for applying a clamping force to closed mold parts. Opposing locking columns and locking colla... | 04/27/2004 |