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US20070286923 |
Piston and valve stem assembly for a hot runner
A unified monolithic piston/valve stem structure for a gated-valve type injection molding hot runner. The piston/valve stem structure includes a piston and a valve stem that are joined to each...
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US20130015606 |
PLASTICS INJECTION MOULDING TOOL AND METHOD FOR PLASTICS INJECTION MOULDING
The invention relates, in first instance, to a plastics injection moulding tool having a hot runner nozzle (1), the hot runner nozzle having an externally or internally heatable nozzle body and a...
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US20120225160 |
VALVE PIN AND ACTUATOR ASSEMBLY FOR INJECTION MOLDING
A actuator assembly for a runnerless injection molding system. The actuator assembly is disposed in injection mold top clamp plate and incorporates a hollow actuator shaft whereby the valve pin...
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US20110111077 |
Valve gate assembly
A valve gate assembly for regulating a flow of molten material into a mold. The valve gate assembly includes a movable valve that can be positioned between a fully closed position and a fully open...
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US20130129856 |
CLOSURE ASSEMBLY, WITH A MULTI-ROD DRIVE, FOR THE INJECTION MOULDING OF PLASTIC MATERIAL
A closure assembly, of the type with a multi-rod drive, for the injection moulding of plastic material is described. The closure assembly has a plurality of closing rods and a driving plate,...
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US20090142440 |
Multi-Piece Valve Pin Bushing
A bushing body has an upstream portion and a downstream portion for extending into a channel. The bushing body has a bore therethrough for receiving a valve pin. A contoured sleeve is fit around...
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US20070120285 |
Devolatilizer nozzle
A devolatilizer nozzle comprising at least one perforated flow tube having a non-circular cross-section. In an embodiment, the non-circular cross-section has equal to or greater than 3 sides. The...
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US20120114785 |
DEVICE FOR PRODUCING PLASTIC MOLDED PARTS AND THE USE THEREOF
A device for producing plastic moldings has an extruder and a molding tool arranged downstream of an extruder discharge opening. A screw is rotatably guided in the extruder and is axially...
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US20090159828 |
Valve Gate Piston Retention Device
A piston and valve stem assembly is held in either a gate open or gate closed position by a valve gate piston retention device until such time as sufficient air pressure is built up behind the...
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US20090148551 |
Injection Molding Apparatus With Plate Actuation of Valve Pins
An injection molding apparatus includes a back plate, a driven pulley connected to the back plate and rotatable with respect to the back plate, a screw connected to the driven pulley to rotate with...
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US20090311364 |
Injection Molding Anti-Drool Nozzle
A shutoff nozzle body and valve assembly operative to reduce molten plastic resin drool when the nozzle body is separated from the mold or runner system. The apparatus includes a porting system...
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US20120263822 |
CHECK VALVE
A check valve for a screw is provided. The check valve includes a retainer tip, operable to be attached to a distal end of a screw shaft, the retainer tip defining at least one melt channel. A...
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US20070065537 |
Injection molding valve gate having combined sealing and guiding structures
A valve gate unit for an injection molding machine, configured to be in surface contact with a manifold of an injection molding machine for delivering a molten plastic flow from a hot runner system...
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US20050100629 |
Nozzle of injection molding machine
A first passage and a second passage are formed in a nozzle body. An inner nozzle is set in a nozzle tip. The inner nozzle can be selected from a plurality of components of which the inside...
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US20100330226 |
Mould with an integrated injector
The present invention relates to a mould, in which a completely closed cavity can be formed in one operating state, comprising an injector (10) which is at least partially accommodated in the mould...
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US20120100245 |
MINIATURE AUTOMATIC SHUTOFF NOZZLE TIP
An improved automatic shutoff nozzle tip which is mounted on the downstream end of a nozzle body of an injection molding machine or the like who's purpose is to act as a passageway for molten...
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US20070237852 |
Easily removable valve pin bushing
The invention provides a replaceable bushing in the base of a nozzle of a hot runner assembly and provides access through a manifold and a rear plate for removal and replacement of the bushing...
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US20080274224 |
Precompression Pin Shut Off with Suckback
An injection nozzle is provided having a nozzle body, defining an inlet channel, an outlet channel and a connecting channel therebetween for communicating a working fluid into and out of the nozzle...
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US20100062100 |
Nozzle Shutoff for an Injection Molding Machine
The present invention is directed to an injection molding valve configured to prevent the leaking or stringing of injected thermoplastic from the valve. The valve includes a housing having a first...
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US20060121154 |
Laser device for alignment of a nozzle tip within injection molding and extrusion equipment
The present invention provides a method and device that uses an injection nozzle for use in injection molding processes, wherein an insert laser cartridge is configured to slide inside the nozzle....
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US20100028481 |
Nozzle for an Injection Molding Apparatus
A nozzle for an injection molding apparatus is provided. The injection molding apparatus has a mold component that defines a mold cavity and a gate into the mold cavity. The nozzle includes a...
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US20090028984 |
Transition Channel For Use Between A First Conduit And A Second Conduit In A Molding System
Disclosed herein is a transition channel for conveying fluid between a first conduit and a second conduit in a molding system. For example, there is disclosed a transition channel for providing a...
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US20060145395 |
Molding method, mold for molding, molded product, and molding machine
An object is to provide a molding method in which quantities of a molding material charged in the cavities can be appropriately controlled, whereby a plurality of molded products exhibiting high...
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US20050200048 |
Apparatus for valve-gate injection molding and method for the same
An apparatus for valve-gate injection molding producing an annular molded product having a center through-hole has a valve gate with a simplified structure. The apparatus includes a movable mold...
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US20090028988 |
Injection-Moulding Apparatus with Needle Valve Nozzle
An injection molding apparatus (1) comprising a manifold plate (3) is fitted with at least one flow duct (4) which has at least one needle valve nozzle for a flowable processing material to feed...
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US20120119400 |
VALVE GATE SYSTEM
A valve gate assembly comprises a piston that is actuable between a forward position and a rear position and has a piston stop surface and a forward pressure surface. A cylinder has a cylinder stop...
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US20110241238 |
VALVE GATE SYSTEM
A valve gate assembly comprises a piston that is actuable between a forward position and a rear position and has a piston stop surface and a forward pressure surface. A cylinder has a cylinder stop...
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US20060159799 |
Nozzle seal with gating needle for injection molding nozzle
An injection molding nozzle is disclosed in which the body has a front end and a central bore terminating at the front end, the front end receiving a needle assembly. The needle assembly has an...
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US20080226765 |
Injection System
Injection system with closing rod (2) provided with a cleaning device (6, 7, 8) suitable for removing the powder of molten plastic that builds up in the movement areas of the closing rod (2) , in...
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US20090028987 |
Sliding Valve for an Injection Nozzle
A shut-off valve assembly for an injection unit is provided. It includes a first valve body, defining a portion of a channel, and a second valve body, defining a second portion of the channel, the...
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US20100047383 |
Injection Molding Apparatus Having A Nozzle Tip Component For Taking A Nozzle Out-of-Service
An injection molding apparatus includes a plurality of valve-gated nozzles, each nozzle having a respective valve pin that is actuated by an actuator. A nozzle tip component for taking one of the...
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US20060145380 |
Method for producing parts having a compact polyurethane (pur) sealing layer
The invention relates to a method for producing structures having a compact polyurethane (PUR) sealing layer, particularly for clear coat molding PUR in order to produce a transparent PUR sealing...
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US20110244070 |
NOZZLE VALVE GATE APPARATUS WITH WIPER SEAL
A nozzle valve gate for injecting hot plastics into an injection mold includes a body having a passage for flow of the plastics to an outlet and forming an actuator chamber. A nozzle part is...
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US20060159798 |
Method for producing mould parts by injection and plugged needle nozzle for an injection mould
The invention relates to a needle-sealed nozzle (10) for an injection mould whose injection nozzle (20) for introducing a fluid molten material (S) into a mould cavity (50) can be sealed on the end...
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US20060292261 |
Injection-molding apparatus cleaning system, and injection molding apparatus
To keep the shutoff needles (20) of an injection molding apparatus (1) clean during operation, a cleansing unit (10) is used within said apparatus. The injection molding apparatus (1) comprises at...
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US20100015275 |
INJECTION-MOLDING NOZZLE
The invention relates to an injection-molding equipment nozzle (10; 80) comprising a nozzle casing (14) wherein is subtended at least one flow duct (20) for a flowable feed material, further a...
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US20120256352 |
SELF-PROPELLING SPRUE BAR SHUTOFF DEVICE
An injection molding shutoff assembly includes a chamber containing a movable body that is biased to a rear position in the chamber by a magnet in the movable body. In the rear position, the...
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US20110236526 |
SYSTEM FOR INJECTING A THERMOPLASTIC MATERIAL
The disclosure relates to a system for injecting a thermoplastic material in the fluid state, including: a dispenser adapted to be maintained at an injection temperature higher than the temperature...
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US20080248153 |
VALVE DEVICE OF INJECTION MOLDING DEVICE
A valve device is configured for obturating an opening of a channel defined in an injection molding device. The valve device includes a plug movably received in the channel, and a resilient member...
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US20060263468 |
Device for opening and closing injection nozzles in an injection moulding tool
The invention relates to a device for opening and closing injection nozzles in an injection moulding tool, with a control gear for non-positive connection of a drive unit to a nozzle needle...
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US20100183763 |
Injection Molding Apparatus
An injection molding apparatus includes an inlet component, a plurality of nozzles, and a plurality of hoses, each of which is not heated. The hoses are connected between outlets of the inlet...
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US20110008532 |
METHOD OF MANUFACTURING HOT-RUNNER COMPONENT AND HOT-RUNNER COMPONENTS THEREOF
A method of manufacturing a hot-runner component includes providing a laser assembly, manufacturing a hot-runner component portion of a metallic material, introducing a property enhancing material...
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US20070222111 |
Apparatus and method for injection molding a multilayer container or container preform, or injection blow molding a multilayer container
Apparatus for injection molding a multilayer container or a multilayer container preform includes an injection mold cavity and a nozzle for injecting resin into the cavity from at least first and...
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US20120177775 |
TORPEDOES
In one aspect of the present teachings, a torpedo includes a body and a needle pin. The body may have a plurality of blades formed on an outer circumferential surface of the body. The needle pin is...
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US20090220636 |
Actuating Device for Shut-Off Needles in Injection Molding Machines Having Needle Valve Nozzles
The invention relates to an actuating device (10) for shut-off needles in injection molds having needle valve nozzles. The actuating device has at least one lifting element (20), to which at least...
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US20110129561 |
Apparatus for Injection Molding
A nozzle assembly for selectably conveying material in a flowable condition to a cavity of a mold assembly comprises a nozzle body, a removable nozzle tip, a valve pin member extending through the...
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US20110027410 |
Back-Up Device for Use in a Melt Distribution Apparatus of an Injection Molding System
Disclosed, amongst other things, is a back-up device that is configured to provide a structural support, in use, between a manifold and a housing member within a melt distribution apparatus of an...
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