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6450240 |
Injection control method and device of die-casting machine
In a die-casting machine having an injection cylinder device ( 10 ) for injecting molten material to a casting die and a boost cylinder device ( 20 ) for boosting a hydraulic oil supplied to the...
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6168399 |
Shot piston for molten plastic material
A shot piston device for molten plastic material with a force-operated piston guided in a cylinder provided with an inlet and an outlet, wherein valve arrangements ensure that the cylinder is...
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5632321 |
Die casting machine with compound docking/shot cylinder
A vertical die cast apparatus having a novel docking/shot assembly in which the docking and docking cylinder and shot cylinder are constructed in one compound cylinder. A novel construction for...
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5052468 |
Method and apparatus for die casting shot control
A method and apparatus for injecting molten material such as molten metal into a die cavity under pressure from a shot cylinder wherein a valve arrangement is provided which prevents undesirable...
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4660620 |
Arrangement for controlling an injection process of a die casting machine
An arrangement for controlling an injection process for a die casting machine comprising an injection cylinder connecting to a plunger tip, a hydraulic circuit arrangement which supplies...
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4497359 |
Die-casting method
A die-casting apparatus having a runner 31 through which molten metal is injected into a die cavity for die-casting an article, a squeeze passage 17 communicating with the die cavity 30 at a...
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4330026 |
Method and device for controlling injection process in cold-chamber die-casting machines
A method and apparatus for controlling an injection process in cold-chamber die-casting machines which work on a three-phase system whereby an automatic initiation of the third phase without delay...
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4311185 |
Injection piston for die casting
An injection piston for a die casting machine comprising, a piston die having a chamber therein open at one end, a die rod having an end slidable in the chamber for changing the volume thereof. A...
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4023466 |
Apparatus for regulating the speed of and the pressure of fluid upon the ram in the injection assembly of an injection molding machine
An injection molding machine wherein the ram in the injection cylinder can be moved at several speeds and can be subjected to different fluid pressures by an apparatus having a two-way valve whose...
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3964537 |
Method for pressure casting
In the method, a shot sleeve, for receiving a metered quantity of melt through an inlet or filling opening and connected to the mold cavity, has its volume continuously diminished in such a manner...
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3731727 |
PRESSURE INTENSIFYING APPARATUS FOR A DIE CASTING MACHINE
A die casting machine for casting a molten metal in a mold includes a first piston-cylinder assembly which is operative to cause the molten metal to flow rapidly into the mold and a second...
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3601180 |
PRESSURE-CASTING MACHINE
A pressure casting machine includes a chill mold, mold-closing means, a filling bush opening into the mold and a pressing ram displaceable in the filling bush. A hydraulic pressing unit is...
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3491827 |
DIE CASTING MACHINE WITH CONTROLLED INJECTION
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3330003 |
Pressure and injection moulding machine
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3323421 |
Control for hydraulic actuator
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3319701 |
Pressure casting machine having a hydraulically loadable shot unit
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3292218 |
Automatic metal injection system
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3172174 |
Die casting apparatus
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3020607 |
Means for controlling the speed of a charging plunger in a die casting machine
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2958104 |
Vacuum die casting process and apparatus
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2904861 |
Apparatus for and method of die casting under vacuum
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2893082 |
Device for increasing the capacity of die casting machines
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2867868 |
Die-casting machines
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2862266 |
Pressure diecasting machine
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2825944 |
Controls for printing plate casting apparatus
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2799066 |
Method of and apparatus for die casting under vacuum
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