| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 164253000 | MEANS TO APPLY VACUUM DIRECTLY TO WORK OR TO HOLD OR MANIPULATE SHAPING MEANS | 13 |
| 20090250186 | Cooling System for low pressure casting device - A cooling system for a low pressure casting device, which includes an upper mold provided with a core portion of a spark plug and an upper die, a lower mold provided with a mold portion of a combustion chamber and a lower die, and side molds, may include i) a coolant supply unit connected respectively to the core portion of the spark plug, the upper die, the mold portion of the combustion chamber, and the lower die through coolant supply lines, ii) a cooling air supply unit connected respectively to the side molds and the mold portion of the combustion chamber through air supply lines, and iii) a vacuum intake unit connected respectively to the core portion of the spark plug, the upper die, the mold portion of the combustion chamber, and the lower die through vacuum intake lines. | 10-08-2009 |
| 20100276107 | Venting unit for a Die Casting device - The invention relates to a venting unit for a die casting device which has a mold cavity that is adapted to be filled with liquid casting material and a gas suction device that is connected to the mold cavity for extracting gas from the mold cavity by suction, the venting unit comprising a flow labyrinth, the inlet of which is adapted to be connected to the mold cavity and the outlet of which is adapted to be connected to the gas suction device. In order to develop the venting unit in such a way that it makes improved evacuation of the mold cavity possible without the risk that liquid casting material can escape from the venting unit, it is proposed according to the invention that the flow cross-section of the flow labyrinth is variable. Furthermore, a die casting device with a venting unit of this kind is proposed. | 11-04-2010 |
| 20110162815 | Aluminum Alloy Vacuum Casting Equipment - An aluminum alloy vacuum casting equipment is studied in this invention, including High Pressure Reactor Tank. The High Pressure Reactor Tank is equipped with guide inside. The High-pressure Reactor Tank is connected with one end of the Compressed Air Pipe. The other end of Compressed Air Pipe is connected with Booster Jar. First Casting Window and Second Casting Window are sets at top of the High-pressure Reactor Tank. The First Casting Window and Second Casting Window are equipped with First Cylinder at one side. The piston rod of First Cylinder is connected with First Connecting-rod. The First Connecting-rod is connected with the casting window cover. The High Pressure Reactor Tank is equipped with Fixed Guide and Unfixed Guide at the bottom. The High Pressure Reactor Tank is equipped with Moonpool Door. The other end of Door Connecting-rod is connected with High Pressure Reactor Tank. The Moonpool Door is connected with Third Cylinder. The High Pressure Reactor Tank is equipped with Actuated Exhaust Ball Valve at one side. Advantages of this invention: All procedures except for putting/fetch of the filler are fulfilled automated, realizing casting in vacuum, reducing labor greatly, providing a safe and reliable equipment for casting of large thin parts. | 07-07-2011 |
| 20110232855 | SYSTEM AND METHOD FOR BUILDING THREE-DIMENSIONAL OBJECTS WITH METAL-BASED ALLOYS - A digital manufacturing system comprises a build chamber, a build platform disposed within the build chamber, at least one extrusion line configured to heat a metal-based alloy up to a temperature between solidus and liquidus temperatures of the metal-based alloy, a deposition head disposed within the build chamber and configured to deposit the heated metal-based alloy onto the build platform in a predetermined pattern, an umbilical having a first end located outside of the build chamber and a second end connected to the deposition head, and at least one gantry assembly configured to cause relative motion between the build platform and the deposition head within the build chamber, where the at least one gantry assembly comprises a motor disposed outside of the build chamber. | 09-29-2011 |
| 20130255903 | VACUUM CASTING APPARATUS - A vacuum casting apparatus that performs casting through decompression of a cavity includes: an ejector pin for releasing a molding from a mold; a pinhole that is a hole in which the ejector pin is slidably arranged and that has a small diameter portion and a large diameter portion that is more distant from the cavity than the small diameter portion is and is larger in diameter than the small diameter portion; and a hollow portion that is provided under an end portion, on a side where the cavity is present, of the large diameter portion. | 10-03-2013 |
| 20140338854 | DIE CASTING SYSTEM AND METHOD UTILIZING SACRIFICIAL CORE - A method for die casting a component includes inserting at least one sacrificial core into a die cavity of a die comprised of a plurality of die elements. Molten metal is injected into the die cavity. The molten metal is solidified within the die cavity to form the component. The plurality of die elements are disassembled from the component, and the at least one sacrificial core is destructively removed from the component. | 11-20-2014 |
| 164254000 | Means applying vacuum or suction directly to molten casting material | 7 |
| 20140158317 | Metal Alloy Injection Molding - Metal alloy injection molding techniques are described. In one or more implementations, these techniques may also include adjustment of injection pressure, configuration of runners, and/or use of vacuum pressure, and so on to encourage flow of the metal alloy through a mold. Techniques are also described that utilize protrusions to counteract thermal expansion and subsequent contraction of the metal alloy upon cooling. Further, techniques are described in which a radius of edges of a feature is configured to encourage flow and reduce voids. A variety of other techniques are also described herein. | 06-12-2014 |
| 20150107796 | WEAR RING FOR DIE-CASTING PISTON, DIE-CASTING PISTON INCORPORATING SAME, AND METHOD OF FORMING SAME - A wear ring for a piston of a die-casting apparatus comprises an annular body having a gap extending therethrough. The gap is configured to define at least two circumferentially offset pairs of circumferentially spaced apart facing surfaces. The facing surfaces of each pair are angled and configured to contact each other in a flush manner when the wear ring is circumferentially compressed. | 04-23-2015 |
| 20160045955 | CASTING DEVICE - A casting device includes: dies formed with a cavity including an opening at a lower portion; a pressurizing chamber disposed below the dies and containing molten metal and further formed with a sealed space above the molten metal; a cylindrically-shaped stalk having an upper end opening communicating with the opening of the cavity and a lower end opening immersed into the molten metal contained inside the pressurizing chamber; a pressurizing means configured to supply a gas to the sealed space of the pressurizing chamber to pressurize the inside of the pressurizing chamber; a depressurizing means configured to discharge a gas from the cavity to depressurize the inside of the cavity; and a control device. The control device, when the molten metal is provided to the cavity from the pressurizing chamber, pressurizes the inside of the pressurizing chamber by the pressurizing means until the molten metal reaches the opening of the cavity and depressurizes the inside of the cavity by the depressurizing means while continuing pressurizing the inside of the pressurizing chamber after the molten metal reaches the opening of the cavity. | 02-18-2016 |
| 164256000 | Enclosed system including a receptacle and mold | 4 |
| 20150013931 | MOLDING DEVICE FOR A METAL INGOT COMPRISING A BORE - A molding device for vacuum casting a metal ingot is provided. The mold includes a mold cavity defined by an ingot mold, a core and a bottom. The mold is arranged inside a vacuum-cast enclosure and includes a source of introducing molten metal at the upper portion thereof. A distribution device for receiving and distributing molten metal, which is suitable for receiving the molten steel introduced into the vacuum-cast enclosure and for redistributing the molten metal in the mold cavity, is arranged at the upper portion of the mold cavity. The molten metal is introduced into the enclosure so as to form a first jet of molten steel under a vacuum, in order to pour the molten metal over the distribution device and to form at least one second jet of molten steel under a vacuum, which originates with the distribution device and terminates in the mold cavity so as to fill the mold cavity with molten metal. | 01-15-2015 |
| 164257000 | Vacuum or suction means for feeding molten metal into charging chamber receptacle | 1 |
| 20180021847 | Sprue Structure for Low-Pressure Casting Device and Low-Pressure Casting Device Having Said Sprue | 01-25-2018 |
| 164258000 | Including melting chamber receptacle | 2 |
| 20140216678 | DIE CASTING DEVICE - A die casting device includes a die including a cavity; an injection sleeve including a feeding orifice; an injection tip provided at the distal end of a support shaft, and configured to be slidable in an axial direction within the injection sleeve by inserting the support shaft into the injection sleeve; a decompression device; a molten-metal holding furnace including a space to store molten metal; a pump pumping up the molten metal from the molten-metal holding furnace; and a feeding pipe including a first end connected to the pump and a second end. The feeding pipe is joined to the injection sleeve through a relay pipe including a vibration absorption portion, the molten metal is fed into the injection sleeve from the molten-metal holding furnace through the feeding pipe by the pump, and is pushed out of the injection sleeve by the injection tip, and the molten metal is injected into the cavity decompressed by the decompression device. | 08-07-2014 |
| 20160008880 | PRESSURE REACTOR FOR PRODUCING MATERIALS HAVING DIRECTED POROSITY | 01-14-2016 |
