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7401637 |
Pressure-only molten metal valving apparatus and method
A new pressure-only molten metal valving apparatus and method is provided. This novel approach to controlling the flow of liquids eliminates the need for active, moving valve components. Using the...
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7174946 |
Chill casting process and foam casting process as well as a pressure tight closable casting mold for manufacture of form parts
A chill casting and foam casting method together with a casting mold that is closable in a pressure-tight manner for producing molded articles. To improve the chill casting method and the foam...
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7056577 |
Body for providing ingrowth and growth of bone tissue and/or connective tissue and method of making such a body
A body, such as a grain, for providing ingrowth and growth of bone tissue and/or connective tissue. The body consists of a plastic or non-essentially elastic biocompatible material, preferably...
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7036554 |
Method and system for casting metal and metal alloys
The invention is relating to a system for casting metal, the system comprising a holding furnace ( 3 ) containing a base metal melt ( 2 ), at least one casting crucible ( 1 ) mounted inside the...
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6929052 |
Method and apparatus for uphill casting with a slide valve closure placed on the casting table
A method for uphill casting/low-pressure casting, especially of light metal alloys, with a casting furnace lying below a casting table, having a riser pipe and a mouth opening of the riser pipe and...
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6910520 |
Mold for casting
There is disclosed a mold ( 1 ) for casting including: a lower mold ( 6 ) having four gates ( 5 ) (at least one gate); an upper mold ( 7 ) being matched with the lower mold ( 6 ) to form a cavity;...
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6899159 |
Method and apparatus for uphill casting with a mould with underlying pouring-in opening with a slide valve closure
A method for uphill/low pressure casting of a liquid melt in a device which has a casting furnace lying below a casting table, a mould with an underlying pouring-in opening and a slide valve...
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6819547 |
Housing for electronic apparatus having outer wall formed by injection molding
The housing used in the electronic apparatus has an outer wall. The outer wall is formed by injecting a metal material from a plurality of gates into a molding space in a metal die. The outer wall...
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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...
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6789582 |
Casting apparatus for the production of metal castings by “lost-foam” technology
Apparatus for casting molten metal for the production of metal castings by “lost-foam” technology, comprises: a first container ( 15 ) of molten metal, a second container ( 1 ) having an upper...
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6779588 |
Method for filling a mold
A mold of a casting machine is filled to make a cast article. The method includes providing a molten metal to a casting chamber in fluid communication with the mold, the casting chamber having a...
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6772819 |
Casting machine and method using horizontally split type metal molds
A casting machine is provided for producing an as-cast product by using horizontally split type metal molds, which are closed and held horizontally to define a cavity, and by pouring molten metal...
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6742568 |
Casting apparatus including a gas driven molten metal injector and method
The casting apparatus ( 50 ) includes a holding vessel ( 10 ) for containing a supply of molten metal ( 12 ) and a casting mold ( 52 ) located above the holding vessel ( 10 ) and having a casting...
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6684934 |
Countergravity casting method and apparatus
Countergravity casting of metals and metal alloys provides for melting of the metallic material under subambient pressure, evacuation of a gas permeable or impermeable mold under subambient...
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6666254 |
Method for the uphill casting of cast pieces in sand moulds with controlled solidification
A method is described for uphill casting in sand molds with high-resin casting cores or especially casting cores containing binders, and with directed solidification of metallic castings that have...
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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...
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6637496 |
Rotary casting system for pressurized casting machines
Apparatus for making a cast article includes a rotary table with a drive for indexing the rotary table to a plurality of rotational positions. A molten metal supply apparatus is placed at a first...
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6595265 |
Fan, method for producing the fan by molding molten metal, and device for producing the fan by molding molten metal
A fan according to the present invention can be monolithically molded out of a metal with a low energy in combination with a structure of a metal mold, in which gate arrangement and/or distribution...
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6550526 |
Method and device for producing cast parts consisting of aluminium and magnesium alloys
The invention relates to a crucible induction furnace for producing cast parts consisting of aluminum and magnesium alloys, especially particle-reinforced alloys. According to the invention, the...
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6540007 |
Molding process for the mass production of aluminum alloy castings and associated items of equipment
A process for molding a casting made of light alloy comprises the steps consisting in: preparing a mold with a print made of physically setting sand, incorporating a movable closure means in the...
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6505677 |
Method and apparatus for casting metal articles with counter-gravity supply of metal to moulds
When casting metal articles in a mould by forcing molten metal upwardly through a filling tube by gas pressure in a closed chamber, the datum level just below that of a connector connecting the...
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6499529 |
Centrifugal countergravity casting
Method and apparatus for countergravity casting a plurality of articles wherein a ceramic mold is provided having an upstanding riser passage and a plurality of mold cavities disposed along a...
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6453976 |
Lost foam countergravity casting
A vaporizable refractory coated pattern assembly is formed having a sprue connected to a plurality of thin wall patterns of articles to be cast. The pattern assembly is supported in a refractory...
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6453978 |
Method and an apparatus for filling of molds with liquidy metals
A casting process for casting, in particular of sand molds provided with casting boxes, which makes it possible to keep the apparatus expense low, to save cycle material and to achieve an improved...
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6453979 |
Investment casting using melt reservoir loop
Method and apparatus for investment casting wherein a ceramic investment mold is disposed in a chamber and communicates with a melt reservoir connected to the mold and having a reservoir volume for...
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6450237 |
Compound cast product and method for producing a compound cast product
A compound cast product is formed in a casting mold ( 14 ) having a mold cavity ( 16 ) sized and shaped to form the cast product. A plurality of injectors ( 24 ) is supported from a bottom side (...
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6422293 |
Method and installation for low pressure die casting in a mould ceramic casting die
Placed in a box ( 1 ) is a ceramic shell ( 21 ) delimiting a casting space ( 22 ), the shell being surrounded by a mass of binder-free sand ( 23 ). The casting space is connected to a source ( 4 )...
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6382301 |
Method for casting and a mold for such a method
In order to increase casting production during a filling of a mold from below, an uptake for the casting mass is provided in molding sand of the mold. Immediately after the filling of the mold has...
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6378595 |
Low pressure die casting system
A control system and method for controlling a low-pressure die casting machine wherein the pressure within the dies more accurately tracks the desired recipe pressure. The control system senses...
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6341640 |
Method and arrangement for casting metal objects in casting cavities adapted to be filled upwardly
In casting metal objects in casting cavities ( 2 ) in moulds ( 1 ), connectable to a pressurized mould-filling furnace ( 5 ) through a delivery tube ( 8 ) and a connector ( 9 ), an external riser (...
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6321825 |
Process and apparatus for the uphill low pressure casting of metal, particularly light metal
In the case of uphill low pressure casting of metals, particularly light metal, a casting mold is connected by its gate, via a riser to a melting container and the melt contained therein is...
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6318444 |
Device for charging horizontal and vertical cold chamber pressure die-casting machines with metal and method
An apparatus for charging horizontal and vertical cold chamber pressure die-casting machines with metal, includes a pressure chamber having a first end which connects to a cold chamber pressure die...
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6305460 |
Method for casting
In order to increase casting production during a filling of a mold from below, whereby an uptake for the casting mass is provided in the molding sand of the mold, immediately after the filling of...
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6247521 |
Pressure difference control method for filling a cavity with melt
A melt filling pressure difference control method controls a pressure difference used to supply melt from a holding furnace to a cavity of a casting machine by generating a pressure difference...
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6216766 |
Fluid-tight coupling device for a feeder pipe
A pipe conveying molten material upwards from a pressurized receptacle into the mold of a low pressure diecasting machine, positioned on and supported by the receptacle, is secured in a fluid-tight...
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6196294 |
Casting plant and method of producing castings
A casting plant for low-pressure casting of molten metal with operatively and kinematically connected units in the form of linear or revolving conveying devices. The plant includes casting molds...
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6125914 |
Method for making a composite part with magnesium matrix by infiltration casting
A mold having a supply tube in a lower portion and in which has been placed a fibrous preform, is placed in a container. A crucible filled with magnesium blocks is placed under the mold. The...
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6019158 |
Investment casting using pour cup reservoir with inverted melt feed gate
A ceramic investment mold is disposed in a casting chamber and communicates with a pour cup melt reservoir connected to the mold and having a reservoir volume for holding enough melt to fill the...
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5947180 |
Rising pipe for light metal melts
In a low pressure die casting apparatus, the properties of the rising pipe of sintered ceramic material for light metal melts is improved by a covering of heat-resistant material surrounding the...
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5913358 |
Casting apparatus and method
The casting apparatus has a holding furnace for holding a reservoir of molten material, at least one smaller pumping furnace also for holding a reservoir of molten material and a casting cavity...
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5896912 |
Method and apparatus for casting a vehicle wheel in a pressurized mold
A mold for gravity casting vehicle wheels having reusable thermally insulative linings attached to the interior of the gate and ball riser cavities. After filling the mold with molten metal, the...
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5836370 |
Method of manufacturing low-melting point metal cores
A method of manufacturing a low melting-point metal core is provided, which consists of fitting a loose piece 6 having a built-in heater 5 in a mold 4, casting molten metal by pushing it up from a...
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5730203 |
Methods of closing the inlet in a mould after non-gravity casting with a non-ferrous alloy of green-sand moulds in a mould-string plant
A cylindrical element (14) with a through-going passage (15) is retained in the mold in such a manner that a part of the element (14) protrudes from the outside of the mold, and so that the passage...
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5725043 |
Low pressure casting process and apparatus
Molten metal is delivered from a master furnace to the molten metal holding chamber of a low pressure casting machine by a launder assembly having a unitary, quickly replaceable, valve assembly...
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5636680 |
Method and device for terminating the casting process after non-gravity casting of moulds, especially green-sand moulds, particularly with easily oxidable metals or metal alloys
After casting a mould (1) through a bottom inlet (2) with liquid metal (4) under pressure through a mouthpiece (5) of a casting device, the inlet (2) is closed by a closing element (8) being...
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5620043 |
Transferring molten metal for low pressure casting
A transfer system for delivering molten metal against gravity from a pressurized furnace to a mold, comprising: a ceramic lined refractory metal gatebox adapted to sit on or above the furnace, the...
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5611388 |
Method of and apparatus for low-pressure casting
A casting mold for a low-pressure casting apparatus can be opened and closed and is closed to form therein a cavity which is filled with molten metal to form a cast product. The casting mold...
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5601135 |
Mold loading in low-pressure casting
The subject invention is characterized by a mechanism for moving the tilt plate (45) laterally of the guide posts (38) to a loading position outside the operating area within the assembly so that...
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5598882 |
Low pressure casting assembly
The invention is characterized by a rack mechanism (60) interconnecting a fixed platen (41) and a movable platen (43) for preventing the movable platen (43) from cocking relative to its guide posts...
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5562147 |
Multi-stage casting plant and method of forming castings
The movable upper portion of a mould is positioned in a first position. Molten metal is forced upwardly into the mould cavity through an opening in a stationary lower mould portion. The upper...
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