Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 7784525 | Economical methods and injection apparatus for high pressure die casting process A method of and an apparatus for high pressure die casting are disclosed. The method uses a die casting apparatus which comprises a group of three plungers for casting metal. The two of which, injection plunger 1 and assistant plunger 3, are used to re... | 08/31/2010 |
| 7370687 | Method of detection of abnormality of squeeze pin and molding machine A molding machine able to stably detect an abnormality of a squeeze pin, for example, a die cast machine having a squeeze pin able to apply pressure to a melt of a cavity repeatedly performing a molding cycle including a pressing process making the squeeze pin advan... | 05/13/2008 |
| 7326241 | Intravascular stent A stent in a non-expanded state has a first and second expansion column, each consisting of a plurality of expansion strut pairs. An expansion strut pair includes a first expansion strut, a second expansion strut and a joining strut that couples the first and second... | 02/05/2008 |
| 7258154 | Apparatus and process for manufacturing disc rotor An apparatus and process for manufacturing a disc rotor made of a metal-based composite material, which enables stabilization of a preform support within a disc rotor casting cavity while minimizing likelihood of damaging of preforms. The apparatus comprises a lower... | 08/21/2007 |
| 7243493 | Valve gradually communicating a pressure signal A valve is provided for a hydraulic system having a source of pressurized fluid, a fluid actuator, and a proportional pressure compensating valve. The valve has a bore in fluid communication with the source and the fluid actuator. The valve also has a valve element ... | 07/17/2007 |
| 7234505 | Aluminium pressure casting A metal flow system, for use in casting aluminium alloy using a pressure casting machine, is provided by a component of a die or mould assembly, for the machine, which defines a die cavity. The component defines at least part of an alloy flow path for the flow of al... | 06/26/2007 |
| 7165598 | Magnesium alloy and methods for making In a method for making a cast product by squeeze casting using an AZ91D alloy, the AZ91D alloy is heated to a liquid state, a shot sleeve is filled with the liquid AZ91D alloy, and a seal is formed between the shot sleeve and a die. In addition, the liquid alloy is ... | 01/23/2007 |
| 7153337 | Porous metal structure body and method for manufacturing the same The object of the invention is to provide a porous metal structure body suitable for reinforcing a light metal alloy member such as an aluminum alloy member. A mixed powder containing a metallic powder is filled in a mold, and is molded into a shape having a single ... | 12/26/2006 |
| 7134478 | Method of die casting spheroidal graphite cast iron A method of die casting spheroidal graphite cast iron able to prevent formation of chill crystals to allow the crystallization of fine spheroidal graphite and simultaneously prevent the formation of internal defects, including the steps of preparing a die formed wit... | 11/14/2006 |
| 7121319 | Magnesium pressure casting The provision or use, for the pressure casting of magnesium alloy in a molten or thixotropic state with a pressure casting machine having a mould or die which defines a die cavity, of a metal flow system which includes a die or mould tool means which defines at leas... | 10/17/2006 |
| 7111664 | Molding device A molding device includes a lower mold unit and an upper mold unit. A molding cavity is defined between the mold units. The lower mold unit has a storing chamber connected to the molding cavity. The upper mold unit has a damper chamber connected to the molding cavit... | 09/26/2006 |
| 7100669 | Aluminum-silicon casting alloy having refined primary silicon due to pressure Provided herein is a method for refining primary silicon present in a hypereutectic aluminum silicon alloy. The method contemplates the controlled application of pressure to refine the primary silicon during the casting of articles. The application of pressure decre... | 09/05/2006 |
| 7097801 | Method of making an integrated mold product The present invention involves a method of making an integrated mold product with a molding tool. The method includes introducing polymeric material in the molding tool and molding the polymeric material to define an outer layer in the mold. The outer layer has a ch... | 08/29/2006 |
| 7094376 | Material volume compensation assembly for a mold tool A carrier assembly controls movement of a movable member within a mold tool to first receive a quantity of molten material, and then displace that molten material back into a mold cavity during solidification of a molded article. The moveable member moves relative t... | 08/22/2006 |
| 7093341 | Method of making an axial piston pump barrel with a cast high pressure collection cavity In an axial piston pump, a plurality of reciprocating pistons are at least partially positioned within a barrel. The barrel includes a ring shaped high pressure collection cavity that is positioned between the piston chambers and the outlet of the pump. In order to ... | 08/22/2006 |
| 7017645 | Thermoplastic casting of amorphous alloys A process and apparatus for thermoplastic casting of a suitable glass forming alloy is provided. The method and apparatus comprising thermoplastically casting the alloy in either a continuous or batch process by maintaining the alloy at a temperature in a thermoplas... | 03/28/2006 |
| 7011137 | Molding device The molding device comprises a lower mold unit and an upper mold unit. When the upper mold unit approaches the lower mold unit, a molding cavity is defined between the lower and upper mold units. The lower mold unit has a storing chamber that is communicated with th... | 03/14/2006 |
| 6997234 | Enhanced gravity casting An apparatus and method for enhanced gravity casting wherein a portion of the mold is maintained in pressure contact with molten metal as it solidifies to allow the mold surface to follow the contraction of the solidifying metal. A further feature of the invention i... | 02/14/2006 |
| 6979023 | Die cast sub-frame A pound or number sign shaped (#-shaped) die cast sub-frame includes first and second horizontal members and first and second vertical members. The sub-frame has four arm mounting portions provided at four corners thereof, respectively. The arm mounting portion is a... | 12/27/2005 |
| 6953548 | Apparatus for transferring liquid metals from a collection container to a receiving container Apparatus for transferring liquid metals from a collection container (9) to a receiving container (1), comprising: a receiving container in the form of a ladle (1) provided with a mouth (4) for the introduction of the metal, means (8 | 10/11/2005 |
| 6926065 | Casting solidification expansion materials A mold that has an expandable mold cavity that is maintained at a first volume during an injection phase and expands to a second volume during the solidification phase to inhibit or prevent the formation of voids or cracks in a material that expands during the solid... | 08/09/2005 |
| 6915835 | Die clamping system and method of clamping die A die-clamping system has a die and a clamping device. The die includes a first engaging portion in a first predetermined shape. The die is transferred in a first direction from a first position toward a second position. The clamping device has a second engaging por... | 07/12/2005 |
| 6896031 | Apparatus and method of forming parts A closed system and method that includes a source of pressurizeable molten lead connected to a mold having a mold cavity therein with the mold maintainable at sufficiently low temperature so that a charge of molten lead located in the mold cavity solidifies to there... | 05/24/2005 |
| 6866087 | Multiple casting apparatus and method An apparatus and method for pressure casting a battery part wherein an extendible piston includes sidewalls for shutting off the supply of molten lead and an impact surface that extends in a side-to-side condition to form an end surface of a battery part cavity so t... | 03/15/2005 |
| 6866085 | Plastically worked cast aluminum alloy product, a manufacturing method thereof and a coupling method using plastic deformation thereof The newly proposed cast aluminum alloy product has the composition consisting of 6.5-8.0% Si, 0.25-0.45% Mg, 0.08-0.40% Fe, 0.001-0.01% Ca, P less than 0.001%, 0.02-0.1% Ti, 0.001-0.01% B, optionally one or two of 0.05-0.3% Cr and 0.05-0.2% Mn, and the balance being... | 03/15/2005 |
| 6863744 | Iron based alloy material for thixocasting process and method for casting the same An iron based alloy material for a thixocasting process and a method for casting the material which extends the service life of dies by inhibiting solidification contraction, and in which casting defects such as size variations and cracks can be inhibited. The mater... | 03/08/2005 |
| 6857462 | High pressure die cast process A high pressure die casting method including providing first and second accumulator assemblies, wherein the first accumulator assembly provides pressurized fluid toad die assembly while the second accumulator assembly provides pressurized fluid to remaining portions... | 02/22/2005 |
| 6810940 | Drive control method for a squeeze pin It is necessary for the stroke of squeeze pin to be controlled so as to reach a defined target stroke position or zone during each shot operation of a die-casting machine. To achieve such control of squeeze pin, controlled variables T, Q or P are set in a trial mold... | 11/02/2004 |
| 6805189 | Die casting Method and apparatus for making a cast product shape using a die casting method wherein a molten metallic material is introduced into a shot sleeve having an end that is closed by a movable closure member. The molten metallic material is forced by movement of a plun... | 10/19/2004 |
| 6776219 | Castable refractory investment mold materials and methods of their use in infiltration casting Methods and materials for preparing investment molds useful in pressure infiltration casting of near net-shape metal or metal matrix composite (MMC) components. One embodiment of the invention includes disposing a slurry of an appropriately sized refractory material... | 08/17/2004 |
| 6701998 | Multiple casting apparatus and method An apparatus and method for pressure casting a battery part wherein an extendible piston includes sidewalls for shutting off the supply of molten lead and an impact surface that extends in a side-to-side condition to form an end surface of a battery part ... | 03/09/2004 |
| 6699410 | Method of impregnating porous workpieces In order to impregnate a porous workpiece with a liquid impregnating agent, the pre-manufactured workpiece is arranged in an injection mould or diecasting mould and the liquid impregnating agent is introduced into the mould with the aid of a commercially ... | 03/02/2004 |
| 6684935 | Intensification through displacement of a coacting mold member An apparatus and method for pressure casting a battery part wherein at least one of the mold members forming the surfaces of an internal battery part cavity are displaced with respect to one another to reduce the volume of the mold cavity formed between t... | 02/03/2004 |
| 6662852 | Mold assembly and method for pressure casting elevated melting temperature materials An impermeable ceramic mold is disposed within a steel die and used in a process for pressure casting of elevated melting temperature alloys and pressure infiltration casting of elevated melting temperature alloys having wear resistant particles, included... | 12/16/2003 |
| 6640877 | Investment casting with improved melt filling Molten metallic material is cast into a mold that is made with a barrier to reduce gas permeability through a mold wall that forms on its innermost side a mold surface for contacting the molten metallic material. The molten metallic material is gravity ca... | 11/04/2003 |
| 6620264 | Casting of amorphous metallic parts by hot mold quenching A manufacturing process for casting amorphous metallic parts separates the filling and quenching steps of the casting process in time. The mold is heated to an elevated casting temperature at which the metallic alloy has high fluidity. The alloy fills the... | 09/16/2003 |
| 6598658 | Apparatus and method of forming parts A closed system and method that includes a source of pressurizeable molten lead connected to a mold having a mold cavity therein with the mold maintainable at sufficiently low temperature so that a charge of molten lead located in the mold cavity solidifi... | 07/29/2003 |
| 6564853 | Multiple casting apparatus and method An apparatus and method for pressure casting a plurality of battery terminal wherein the molten lead is prevented from entering the mold cavities until molten lead is present by the inlets of all the mold cavities with the inlets to the molds simultaneous... | 05/20/2003 |
| 6564856 | Method of making precision castings using thixotropic materials Precision castings, such as brake calipers and other parts requiring a fine finish and having complex internal geometries, can be produced by casting a shot of a semi-solid thixotropic metal alloy about a core, preferably a hot-chamber die-cast core, havi... | 05/20/2003 |
| 6562155 | Process for producing aluminum alloy semi-molten billet for use as transportation unit A process for producing an aluminum alloy semi-molten billet for use as a transporation unit, including the steps of: producing an aluminum alloy having a composition consisting essentially of, in weight %, 0.5 or less Cu, 5.0 to 10.0 Si, 0.2 to 0.7 Mg, 0... | 05/13/2003 |
