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8056605 |
Flaskless molding method
A flaskless molding method, wherein a match plate (5) is held between an upper flask (2) and a lower flask (3) and squeeze plates (6) and (7) are inserted into the openings of the upper flask (2)...
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7934534 |
Method and device for producing moulds or cores, in particular for foundry purposes
To produce moulds or cores for foundry purposes from a mixture (M) of moulding material or sand and a binder, the mixture (M) is shot using a shooting unit (2) or from a shooting tube (3) and a...
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7757744 |
Method of changing a match plate in a flaskless molding apparatus for an upper mold and a lower mold
This invention provides a method for changing a match plate in a molding apparatus for a flaskless upper mold and a lower mold, which method allows easy change of the match plate. This invention is...
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7654303 |
Method and apparatus for molding an upper and a lower mold having no flask
A method and apparatus for molding molds having no flask wherein a match plate having a pattern is put between a pair of an upper and a lower flask having intakes for foundry sand. An upper and a...
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7163045 |
Method and apparatus for making a sand core with an improved production rate
The present invention relates to A method and apparatus for making a sand core (112) utilizing purge air through a core box (100 and 100′) to harden the binder in the sand core (112) proximate t...
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6752196 |
Method and device for filling casting sand
An apparatus for introducing molding sand into a mold space defined by a pattern plate (1) having a pattern, a flask (2) placed on the pattern plate (1) for surrounding the pattern, and a filling...
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6746225 |
Rapid solidification processing system for producing molds, dies and related tooling
A system for the spray forming manufacturing of near-net-shape molds, dies and related toolings, wherein liquid material such as molten metal, metallic alloys, or polymers are atomized into fine...
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6668904 |
Method and apparatus for producing casting moulds or mould parts
In a mould forming machine comprising a moulding chamber, a movable squeeze plate and a pattern, the filling of selected parts of the pattern with compressible mould material is improved by...
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6074194 |
Spray forming system for producing molds, dies and related tooling
A system for the spray forming manufacturing of near-net-shape molds, dies and related toolings, wherein liquid material such as molten metal, metallic alloys, or polymers are atomized into fine...
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5947187 |
Method for protecting a die
Ceria is used to assure release between a metal workpiece and associated forming tooling in forming operations conducted at temperatures of 1500° F. (816° C.) and above.
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5927372 |
Method of supplying sand to blow head of blow molding machine
Before supplying molding sand into the blow head, a blow-in port of the mold-defining device is connected to a blow-off port of the blow head so that molding sand flowing out of the blow-off port...
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5718863 |
Spray forming process for producing molds, dies and related tooling
A method for spray forming manufacturing of near-net-shape molds, dies and related toolings, wherein liquid material such as molten metal, metallic alloys, or polymers are atomized into fine...
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5715885 |
Apparatus and method for cleaning core box vents
The core box includes a cavity therein, a vent in fluid communication with the cavity, ejector members, and apparatus coupled to the ejector members for passing a fluid through the vent into the...
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5711361 |
Method for producing ready-to-use casting shells or core assemblies
Ready-to-pour shells or core assemblies produced utilizing at least two in-line core shooting machines (1), each core shooting machine (1) having two, at least slightly differing sets of tools (4),...
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5547015 |
Method and apparatus for manufacturing moulds or mould parts by blowing particulate material into a mould chamber
The blowing-in of the sand into the mould is continued while the pressure in the mould chamber increases through a maximum mould pressure and the blowing-in is terminated at a predetermined time...
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5544694 |
Apparatus and a procedure for shot-hood cleaning during the production of casting molds or core packets that are ready for casting
An apparatus for cleaning shot hoods during the manufacture of casting molds or core packets that are ready for casting, by means of core shooters or shooting stations, preferably in a linear...
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5535809 |
Method and apparatus for packing a granular material for foundry use
Core sand material is received in an enclosed chamber and is forced into the cavity of a mold by compressing the air above the sand material with essentially no mixing of the air and sand material....
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5458180 |
Device and method of filling core-shooting heads with mold-core materials
A storage hopper retains the mold core material and an outlet member is connected below the hopper for discharging the mold core material into the core shooting head. The outlet member is inserted...
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5355929 |
Method of and apparatus for making casting moulds
A mould chamber including at least one pressing plate is filled by blowing mould sand in through a blowing-in tube ascending at high speed, in which at least some of the blowing-in apertures are...
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5148851 |
Method of charging sand and molding machine utilizing thereof
Sand is charged into a space in a mold flask by a sand feed nozzle provided on the lower end part of a blow head inserted into a sand charge port formed in the top wall of the mold flask. The blow...
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4768567 |
Sand fill apparatus for lost foam casting
An apparatus for filling an open-top foundry flask with discrete refractory particles by pluviation to embed an expendable pattern to form a lost foam casting mold comprises conduits for directing...
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4643240 |
Method of blowing cores etc. using quick-set sand, and improved mold-blowing apparatus
As in the parent application, a freshly mixed quick-setting sand mix is blown from a blow box into a mold while a plunger moves through the blow box to chase all of the fluidized sand into the...
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4553581 |
Sand mold making machine apparatus and method improvements
A core blowing machine receives match plates on a mounting surface so that a sand and bonding agent mixture may be packed about the match plate and exposed to a catalytic gas for forming a mold...
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4505316 |
Process and apparatus for packing granular foundry materials
In a closed system a shock pressure wave of a burning gas is used for packing granular mold material loosely distributed around a model. Before the shock pressure is produced, the pore volume of...
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4462777 |
Blow-moulding machine
A blow-moulding machine comprises a mixer for mixing refractory particles with a binder and a hardener or the like, a main tank for transporting moulding sand, a booster provided subsequently to...
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4068701 |
Refractory materials
A refractory shape is molded on a pattern by pouring over the pattern a mixture of two slurries each of which is stable but which together react to gell. The mixture is formed by merging two slurry...
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3872912 |
Sand slinger
At the discharge opening of a sand slinger head, translatable in a circular path during sand slinger machine operations, a swingable flap plate is mounted to the head housing by a pivot parallel to...
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3854961 |
PREPARATION OF HIGH TEMPERATURE SHELL MOLDS
An improved method for manufacturing shell molds which comprises coating a pattern with a binder composition containing a refractory metal and a zirconium compound, gelling the coated pattern and...
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3684000 |
MOLD MAKING DEVICE HAVING BLOW NOZZLE
A series of expendable shell molds is formed in a permanent pattern having a series of connected mold cavities. A passage including the cavities extends through the pattern. A swinging blow-vent...
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3238575 |
Sand molding and aerating machine
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3168764 |
Foundry molding machine and method of molding
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2779074 |
Method of blowing sand into sand molds
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