...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8047259 | High temperature metal mold and procedure for making the mold A mold, comprising: a substrate, the substrate having an inside surface and an outside surface; and a ceramic coating formed on at least substantially the entire inside surface, the ceramic coating comprising chromic oxide, silicon dioxide, and alumina. A method for... | 11/01/2011 |
| 7770626 | Method and apparatus for spraying release agent in die casting machine A release agent spray method and apparatus for a die casting machine. As a movable die plate is moved in a die closing direction, a spray head is moved in a perpendicular direction to a spray position. The movable die plate is stopped when it has reached a position ... | 08/10/2010 |
| 7766070 | Method of operating a die casting reciprocator A method for operating an automated reciprocator for applying lubricant in a die casting system. As a reciprocator is moved between two die halves and a fluid is applied to the dies with the reciprocator, a safety bar is moved ahead of the reciprocator. Any objects ... | 08/03/2010 |
| 7331375 | Metal molding method and apparatus According to the present invention, between the mold-clamping process S1 in which the mold 1 is closed and the injection-pressure increase (solidifying) process S3, the gate-melting process for heating the hot runner 21 to melt the plug (... | 02/19/2008 |
| 7293597 | Non-oxidizable coating A substrate is coated by applying an essentially pure aluminum first layer to a surface of the substrate. At least a first portion of the first layer is oxidized so as to provide a protective coating of desired properties. The substrate may be a refractory metal-bas... | 11/13/2007 |
| 7294404 | Graded photocatalytic coatings The invention provides graded photocatalytic coatings. In one aspect, the invention provides a substrate carrying a photocatalytic coating that includes a first graded film region and a second graded film region. The first graded film region has a substantially cont... | 11/13/2007 |
| 7290585 | Method of coating lubricant in metallic injection machine A movable die is fastened to a stationary die, a relationship between a contact force of an injection nozzle to an injection hole of the stationary die and a closeness is investigated, the injection nozzle is brought into press contact with the injection hole of the... | 11/06/2007 |
| 7273832 | Alkali metal tungstate compositions and uses thereof Fluids, such as completion fluids, containing at least one alkali metal tungstate and optionally at least one chelating agent are described. Methods of removing a filter cake from a well bore surface, which may include one or more alkaline earth metal sulfates, is a... | 09/25/2007 |
| 7273086 | Lubricant for improved surface quality of cast aluminum and method In a lubricant composition suitable for use in the manufacture of aluminum alloys comprising lubricant base selected from the group consisting of solid lubricants, liquid lubricants, grease lubricants, emulsion lubricants, and dispersion lubricants, the improvement ... | 09/25/2007 |
| 7234507 | Die coatings for gravity and low pressure die casting A die coating for use on the surface of a metal mold or die component contacted by molten metal in low pressure or gravity die casting, and a method for its production. The die coating includes a porous layer of ceramic material produced by co-deposition, using a th... | 06/26/2007 |
| 7226667 | Cast-iron insert and method of manufacturing same A cylinder liner has an outer circumferential surface around which another metal is to be cast. The cylinder liner also has a plurality of protrusions disposed on the outer circumferential surface and having respective substantially conical undercuts or necks which ... | 06/05/2007 |
| 7222657 | Metal object forming method and mold used for the same A metal object is formed by die-casting with the use of a specially treated mold. The mold has cavity-defining surfaces covered by a heat-insulating layer made of a material that includes ceramic powder and heat-resistant resin. Molten metal is injected into the cav... | 05/29/2007 |
| 7210514 | Die casting machine A lubricant oil feeder 2 of a due casting machine 1 is made up of a lubricant oil feed passage 19 for feeding a lubricant oil into a clearance between the inner peripheral surface of a sleeve 7 and the outer peripheral surface of an injec... | 05/01/2007 |
| 7201212 | Investment casting A method and apparatus are used to cast a number of elements such as turbine engine blades. The blades have an airfoil and a root for securing the blade to a disk. A number of mold sections each have internal surfaces for forming an associated at least one of the el... | 04/10/2007 |
| 7156144 | Spray head for a mold spraying tool A spray head for a spraying tool for spraying the halves of a casting tool is described, in which the connection is made to a traveling arm provided with the media-carrying passages through distributing blocks disposed one under the other, from which the connection ... | 01/02/2007 |
| 7143812 | Lubricant for improved surface quality of cast aluminum and method In a lubricant composition suitable for use in the manufacture of aluminum alloys comprising lubricant base selected from the group consisting of solid lubricants, liquid lubricants, grease lubricants, emulsion lubricants, and dispersion lubricants, the improvement ... | 12/05/2006 |
| 7134637 | Vacuum and vent block for use with molding and casting systems The present invention relates to a gas purging block for use with injection molding and die casting systems, which includes a stationary-side block adapted to be removably mounted to a stationary-side mold half of the injection molding or die casting system, and an ... | 11/14/2006 |
| 7134482 | Device and method to improve the life of casting machine moulds Reinforced moulds for a casting machine include a wall for containing a cast article, the wall including a lip region. The lip region includes a reinforcing element cast internally in the lip region. The reinforcing element provides enhanced resistance to tensile te... | 11/14/2006 |
| 7111665 | Lubricant for improved surface quality of cast aluminum and method In a lubricant composition suitable for use in the manufacture of aluminum alloys comprising a lubricant base, the improvement wherein the lubricant composition further comprises: an effective amount of water, surfactant, and a high viscosity organic material having... | 09/26/2006 |
| 7066234 | Stamping tool, casting mold and methods for structuring a surface of a work piece A simple, cost-effective stamping or molding in the nanometer range is enabled using a stamping surface or molding face with a surface layer having hollow chambers that have been formed by anodic oxidation. ... | 06/27/2006 |
| 7055574 | Method of producing metal article having internal passage coated with a ceramic coating The present application relates to a method of producing a metal article having an internal passage coated with a ceramic coating. The method comprises: preparing a core for defining the internal passage; applying the ceramic coating on the core; assembling the core... | 06/06/2006 |
| 7040375 | Diecasting machine and plunger lubricating method A diecasting machine comprising a movable and a stationary die half which, when closed, define a die cavity. The diecasting machine further comprises a filling chamber for receiving liquid metal, plunger, a slidingly displaceable inside the filling chamber and mount... | 05/09/2006 |
| 7041002 | Golf club head A golf club head comprises a part made of a martensitic iron alloy which has: a nickel (Ni) content of from 9.0 to 12.0 weight %; a chromium (Cr) content of from 11.0 to 12.5 weight %; a titanium (Ti) content of from 1.5 to 1.8 weight %; a molybdenum (Mo) content of... | 05/09/2006 |
| 7032641 | Transport system for a mould-string casting plant In a transport system for a mould-string casting plant comprising a moulding machine (1) delivering a plurality of uniform mould parts (3) to a string of moulds on the transport system transporting the moulds from the moulding machine (1) to a p... | 04/25/2006 |
| 7028744 | Surface modification of castings A method of modifying a surface of a casting involves providing a casting mould; placing a perforated mask with the mould to define a masked area of the mould; spray-coating the masked area of the mould with a coating material selected for forming a surface layer on... | 04/18/2006 |
| 7025111 | Method for coating a metallic component A process for coating a metallic component with a corrosion-resistant layer comprises providing a metallic shaping tool that is at least partially sprayed with concentrated mold release agent. The component is cast in the metallic shaping tool, the concentrated mold... | 04/11/2006 |
| 7025114 | Casting method and casting mold A casting method and casting mold able produce a casting having an island and connecting portion is disclosed. A casting having a body, an opening provided so as to pass through the body, an island arranged separated from the body in the opening, and a connecting po... | 04/11/2006 |
| 7025116 | Mold and method of molding metallic product A mold M for molding a metallic product including a fixed mold section 2 and a movable mold section 1, wherein heating means 7 is provided in the fixed mold section and cooling means 10 is provided in the movable mold section, which means... | 04/11/2006 |
| 7021363 | Mold wall, especially a broad side wall of a continuous casting mold for steel The invention relates to a mold wall for plate molds, tubular molds or similar, especially a broadside wall of a continuous casting mold for steel. The inventive plates consisting of copper or a copper alloy, which are either provided with coolant channels or are in... | 04/04/2006 |
| 7014883 | Apparatus and method for forming a composite structure A method for forming a composite structure is disclosed. The method includes four steps. Step one calls for applying a primer (104) to a surface (102) of a tool (100). Step two requires applying a coating (106) to primer (104). Ste... | 03/21/2006 |
| 6986381 | CASTINGS OF METALLIC ALLOYS WITH IMPROVED SURFACE QUALITY, STRUCTURAL INTEGRITY AND MECHANICAL PROPERTIES FABRICATED IN REFRACTORY METALS AND REFRACTORY METAL CARBIDES COATED GRAPHITE MOLDS UNDER VACUUM Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with a refractory metal such as W or Re or a refractory metal carbide such as TaC or HfC. The molds may be made by making the... | 01/17/2006 |
| 6964292 | Process of fabricating castings provided with inserts, with improved component/inset mechanical cohesion, and an insert usable in the process A process of fabricating a light alloy casting, such as an aluminum alloy casting, including at least one metal insert includes applying a coating of lampblack to a face of the insert intended to be in contact with the alloy of the component and casting the componen... | 11/15/2005 |
| 6962189 | Method of making precision castings using thixotropic materials Precision castings requiring a fine finish and having complex internal geometries can be produced by casting a semi-solid thixotropic metal alloy within or about a melt-away metal component in the form of a core and/or a die insert that has a lower melting point tha... | 11/08/2005 |
| 6953079 | Die casting machine A die casting machine injecting and filling a molten metal into a cavity formed between a pair of dies so as to cast a product, comprising an ejecting pin for ejecting a casting by its front and sticking out inside the cavity and a powder feeder for feeding a powder... | 10/11/2005 |
| 6938669 | Metal molding method and apparatus According to the present invention, between the mold-clamping process S1 in which the mold 1 is closed and the injection-pressure increase (solidifying) process S3, the gate-melting process for heating the hot runner 21 to melt the plug (... | 09/06/2005 |
| 6932142 | Reduction casting method A reduction casting method includes the steps of: pouring a molten metal into a cavity of a molding die; and performing casting while reducing an oxide film formed on a surface of the molten metal by allowing the molten metal and a reducing substance to come into co... | 08/23/2005 |
| 6923242 | Aluminum casting method An aluminum casting method includes the step of applying in advance a mold release agent including magnesium to a mold surface. Thereafter, a nitrogen gas is injected into a cavity to cause reaction between the magnesium in the surface of the mold release agent and ... | 08/02/2005 |
| 6901989 | Removing lost foam pattern coating residue from a casting In the lost foam casting of aluminum, coating a fugitive pattern with a refractory coating containing a thermally stable, water-insoluble, acid-gasifiable (e.g. CaCO3) compound, and contacting the casting, with the coating thereon, with an acid to dissoci... | 06/07/2005 |
| 6874564 | Liquid-cooled mold A liquid-cooled mold for a continuous casting of metals, including mold plates made of copper or a copper alloy, which are connected respectively to an adapter plate or a cooling-water tank by clamping bolts. The mold is characterized in that the clamping bolts are ... | 04/05/2005 |
| 6845808 | Reduction casting method A reduction casting method includes the steps of: allowing a metallic gas and a reactive gas to react with each other to generate a reducing compound; introducing the thus-generated reducing compound into a cavity of a molding die 11; and reducing an oxide film form... | 01/25/2005 |