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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 |
| 8080194 | Methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls or sheets Disclosed herein are methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls and sheets. In one embodiment, the present invention is directed to a method for making a gas impregnated interleaved roll, which method comprises: prov... | 12/20/2011 |
| 8062564 | Method of producing a plate-shaped structure, in particular, from silicon, use of said method and plate-shaped structure thus produced, in particular from silicon Method for fabricating a structure in the form of a plate, and structure in the form of a plate, in particular formed from silicon, including at least one substrate, a superstrate and at least one intermediate layer interposed between the substrate and the superstra... | 11/22/2011 |
| 7993554 | Method for the manufacture of a molding composition A method for the manufacture of a molding composition from a raw material melt which is charged with an additive includes the steps: charging a conveyor apparatus with a raw material which includes a liquid or gooey pasty composition or a granulate; converting the r... | 08/09/2011 |
| 7897076 | Method to produce conductive transfer roller, transfer roller, and image forming apparatus having the same A method to produce a conductive transfer roller, and the transfer roller. The method to produce the conductive transfer roller includes adding and mixing a conductive substance, an ionic conductive agent, a vulcanizing agent, and a blowing agent and at least one of... | 03/01/2011 |
| 7850883 | Apparatus and method for injection moulding with ventilation means An apparatus for injection molding products from a mass including at least natural mono or polymers, provided with at least one mold cavity (2) and a deaeration channel (10) at least partly surrounding the mold cavity (2), wherein, between the d... | 12/14/2010 |
| 7704423 | Method for expansion injection molding An injection-foaming molding process for manufacturing a formed article by injecting a molten resin containing a foaming agent into a cavity of a mold being retained in an openable state and then expanding the cavity by opening the mold to allow the resin to foam in... | 04/27/2010 |
| 7588704 | Online control of blowing agent content of polymer beads for making lost foam patterns The invention involves the real-time, NIR-spectroscopic, closed-loop control of the blowing agent content of polymer beads used to make lost foam casting patterns. ... | 09/15/2009 |
| 7531116 | Process of producing foamed molding from expanded polypropylene resin beads A process of producing a foamed molding, wherein expanded, substantially non-crosslinked polypropylene-based resin beads are heated in a mold to fuse-bond the beads together into a unitary body. Each of the expanded beads has been surface-modified with an organic pe... | 05/12/2009 |
| 7445736 | Embossed indicia on foam core imaging media This invention provides method for placing indicia on a support for an imaging element comprising embossing indicia, such as a logo, on a roller; providing a support wherein said support comprises a closed cell foam core and adhered thereto at least one flange layer... | 11/04/2008 |
| 7438840 | Method for introducing an additive into a flowing medium stream The method for introducing an additive into a flowing stream of media pulses discrete quantities of the additive into the stream at a pressure higher than the pressure of the stream and at set time periods to cause the pulses to penetrate into the stream. Use is mad... | 10/21/2008 |
| 7435365 | Method of fabricating hollow foamed-rubber member A method of making a hollow foaming member is to utilize the foaming agents with various decomposition speeds or gas issued into the rubber sheet in the die while vulcanization and foaming. As a result, the foaming member made by the method of the present invention ... | 10/14/2008 |
| 7431872 | Low-density cellular wood plastic composite and process for formation A low-pressure CO2 tank or an air compressor with a refrigerated air dryer is attached to the vent zone of a standard twin-screw extruder. During extrusion, the gas is dissolved in the wood-plastic melt. The CO2 expands which foams the wood-pla... | 10/07/2008 |
| 7396497 | Method of forming a polishing pad having reduced striations The present invention provides a method of forming a chemical mechanical polishing pad, comprising providing a tank with polymeric materials and providing a storage hopper with microspheres having an initial bulk density, wherein the storage hopper further comprises... | 07/08/2008 |
| 7390445 | Method of producing composite sheet having polyolefin foam layer A method of producing a composite sheet having a foam layer of a first polyolefin-based resin and a surface layer of a second polyolefin-based resin provided on at least one side of the foam layer and containing a polymeric antistatic agent. The method includes coex... | 06/24/2008 |
| 7364146 | Strut or receiving part having a rectangular cross-section for a system for constructing devices for clamping workpieces A strut for a system for constructing devices for clamping workpieces in defined and reproducible positions is made of an angle section or a U-shaped section or a rectangular section. The strut has grid bores of identical diameter arranged at a regular grid spacing ... | 04/29/2008 |
| 7364782 | Flocked transfer and article of manufacture including the application of the transfer by thermoplastic polymer film A flocked transfer is produced by applying a release agent to a release sheet, and then applying the flocking to a release agent. Unlike the traditional method, a binder and thermoplastic hot melt film is applied to the back of the flock. The transfer, which is esse... | 04/29/2008 |
| 7361007 | Apparatus for forming an air spring flexible member Tubular-shaped flexible members for air springs are made of rubber or rubber-like elastomers and are reinforced by reinforcement layers. In order that the air spring flexible member can roll telescopically off a roll-off piston, the tubular-shaped flexible member se... | 04/22/2008 |
| 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 |
| 7351368 | Flocked articles and methods of making same A method of manufacturing a molded article using lamination of a flocked surface onto a backing film is provided. Also provided is a flocked article comprising an antimicrobial agent. ... | 04/01/2008 |
| 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 |
| 7347886 | Method for introducing additives into fluids The method introduces additives into flowing gas, fluid or fluidized media in a pulsed high pressure manner. The nozzle needle of at least one nozzle is variable and highly precisely moved for the introduction by means of a device and in such a way that additive is ... | 03/25/2008 |
| 7341683 | Method of manufacturing foamed polyethylene films and related products The present invention solves the problems left unaddressed by the prior known processes by providing a method to produce foamed-thermoplastic films of sufficient strength for use in consumer trash-bag applications utilizing high strength thermoplastic resins. Most b... | 03/11/2008 |
| 7338980 | Method and apparatus for mixing a high-viscosity material into a gas A piston pump has a piston and cylinder. A gas is supplied into the cylinder during and/or after a suction stroke of the piston pump, and a high-viscosity material is supplied into the cylinder after the suction stroke. A discharge stroke of the piston pump is effec... | 03/04/2008 |
| 7338697 | Co-molded direct flock and flock transfer and methods of making same A method of decorating a molded article is provided that includes the steps of: (a) providing a mold insert comprising a plurality of flock fibers and a permanent adhesive layer; (b) positioning the mold insert in ... | 03/04/2008 |
| 7326673 | Treatment of semiconductor substrates using long-chain organothiols or long-chain acetates Chemical formulations and methods for removing unwanted material, such as unexposed photoresist, metal oxides, CMP residue, and the like, from semiconductor wafers or other substrates. The formulations utilize a supercritical fluid-based cleaning composition, which ... | 02/05/2008 |
| 7314592 | External thickness control and method A plastic resin extrusion line for the production of blown film includes an external thickness control device that provides a controllable amount of air from an inlet side through an annular region to one or two sets of lips. Barriers that can be manually or automat... | 01/01/2008 |
| 7312253 | Insulating thermoplastic foams made with methyl formate-based blowing agents A blowing agent blend for making thermoplastic polymer foams comprises methyl formate. The blowing agent blend can further comprise at least one co-blowing agent. The co-blowing agent is either a physical co-blowing agent (e.g. an inorganic agent, a hydrocarbon, a h... | 12/25/2007 |
| 7306754 | Membrane and the use thereof The invention relates to a membrane that consists of a polymer or a polymer mixture. The aim of the invention is to produce membranes, especially planar membranes or hollow fiber membranes that have an as high a separation efficiency as possible while simultaneously... | 12/11/2007 |
| 7303706 | Device for producing expanded plastic moulded parts in an injection moulding process, using compressed physical expansion fluids The manufacture of foamed polymer trim parts making use of physical blowing agents requires the diffusion and sorption of the blowing agent in the polymer melt. Said diffusion and sorption are achieved by intensive mixing. Therefore a statical mixing device is enclo... | 12/04/2007 |
| 7303060 | Material conveying system without dust rising A material conveying system without dust rising, having a plurality of trays; a transmission mechanism, for carrying the trays and transmitting the trays in motion; and a controller, for controlling the transmission mechanism, is characterized in that the material c... | 12/04/2007 |
| 7300612 | Hollow strandfoam and preparation thereof Prepare a foam structure that includes hollow coalesced foam strands and, optionally, solid coalesced foam strands using an extrusion die block equipped with apertures that promote forming the hollow strands and, optionally, the solid foam strands. ... | 11/27/2007 |
| 7300698 | Composite polymeric material having high resistance to impact energy A composite material with high resistance to impact energy, including expanded beads of polypropylene, dispersed in a resin chosen among melamine resin, phenolic resin and polyurethane resin and mixtures thereof. ... | 11/27/2007 |
| 7294295 | Method of manufacturing molded product of foamed resin and apparatus for molding foamed resin While steam is supplied to flow channels to heat inner cavity surfaces to a temperature equal to or higher than the heat distortion temperature of a molding resin, the resin mixed with a supercritical fluid is injected from an injection molding machine into a mold c... | 11/13/2007 |
| 7293594 | Process for the production of sandwich elements from reactive plastics material The invention relates to a process for the production of sandwich elements (so-called panels), in which the rising reactive mixture is guided, when it rises, through guide elements arranged between the upper and lower outer layers. This process produces void-free pa... | 11/13/2007 |
| 7291661 | Non-staining polymer composite product A polymeric composite is provided which has improved stain preventative properties by virtue of inclusion of at least one compound having multiple functional groups capable of reacting with tannins contained in a tannin containing cellulosic material present in the ... | 11/06/2007 |
| 7285233 | Method of manufacturing polishing pad A method of manufacturing a polishing pad is described. A mold having a mold cavity therein is provided. At least a strip is buried in the mold. A polymer foam material is injected into the mold cavity of the mold. The polymer foam material is cured to mold the poly... | 10/23/2007 |
| 7285315 | Closure in synthetic material for containers The present invention relates to a closure which is made of synthetic material with characteristics similar to or even better than those of cork and which can therefore be used in all applications in which a cork closure is normally used. In particular, the closure ... | 10/23/2007 |
| 7276191 | Crosslinked foam which has inner-cavity structure, and process of forming thereof A method and device for forming a cross-linked foam and a cross-linked foam are provided. The method includes the steps of preparing at least one foaming material for cross-linked foaming, the foaming material processed to have a plane or three-dimensional shape; fo... | 10/02/2007 |
| 7259189 | Expanded polypropylene resin beads and process for the production thereof A process for the production of expanded beads, including kneading a base resin containing a polypropylene resin and having a tensile modulus of at least 1,200 MPa together with a mixture of a coloring agent and a thermoplastic polymer having a tensile modulus lower... | 08/21/2007 |
| 7246936 | Dynamic mixer screw tip The present invention includes a screw tip for an extruder screw for effecting mixing in an extruder. The screw tip has a shaft portion and at least one mixing element ring connected to the shaft portion, or a mixing element having an aperture therethrough, or both.... | 07/24/2007 |
