Abstract

Heating device for locally heating of an injection mold cavity wall, comprising: a base plate, an actuator located on the base plate, to perform a linear movement; a heated stamp connected to the actuator and driven by the actuator, to perform a linear movement in direction to and from the injection mold cavity wall; wherein the heated stamp is located below the base plate and the actuator is located on top of the base plate, and wherein the base plate comprises an opening through which a pin extends for transferring the linear movement from the actuator to the heated stamp.

IPC Classes  ?

• B29C 45/73 - Heating or cooling of the mould
• B29C 45/27 - Sprue channels
• B29C 45/78 - Measuring, controlling or regulating of temperature

Abstract

An actuator system for an injection molding system includes a double acting pressurized fluid actuator having a piston drive movable in a cylinder space, a flow control valve for regulating a flow rate of pressurized fluid to and/or from the cylinder space, a flow sensor for detecting the flow rate of pressurized fluid to and/or from the cylinder space, and an electronic controller for controlling the flow control valve to regulate the flow rate of pressurized fluid to and/or from the cylinder space depending on the flow rate detected by the flow sensor.

IPC Classes  ?

• B29C 45/30 - Flow control means disposed within the sprue channel, e.g. "torpedo" construction
• G05D 16/20 - Control of fluid pressure characterised by the use of electric means
• F16K 1/52 - Means for additional adjustment of the rate of flow
• F16K 21/18 - Self-closing valves, i.e. closing automatically after operation closed when a rising liquid reaches a predetermined level
• B29C 45/28 - Closure devices therefor

Abstract

A hot runner process controller configured to monitor the status and operation of a hot runner system to autonomously generate information to improve the quality of injection molding process of a hot runner system having an inlet nozzle, one or more manifolds and one or more nozzles with actuator or without actuator, and one or more heating elements, the hot runner process controller is self-operating, and independent from the injection molding machine, includes: one or more sensors located on, in or at the hot runner system to detect the status and/or the operation of the hot runner system, and a processing unit and a memory. The processing unit is connected to the one or more sensors, wherein the memory stores data and program codes. The processing unit is configured to load and execute the program code to compare sensor information with the stored data and to determine if the hot runner system is in an operable status, and in case the hot runner system is in an operable status, configured to generate status information to activate the one or more heating elements and/or the one or more actuators enabling a production operation of the injection molding machine. In case the hot runner system is not in an operable status, configured to generate status information to deactivate the one or more heating elements and/or close or deactivate the one or more actuators disabling a production operation of the injection molding machine.

IPC Classes  ?

• B29C 45/84 - Safety devices
• B29C 45/27 - Sprue channels
• B29C 45/28 - Closure devices therefor
• B29C 45/76 - Measuring, controlling or regulating
• B29C 45/77 - Measuring, controlling or regulating of velocity or pressure of moulding material
• B29C 45/78 - Measuring, controlling or regulating of temperature

Abstract

A hot-runner injection molding apparatus that facilitates use of actuators in a compact design includes a hot-runner manifold defining resin channels for conveying resin to nozzles that serve as conduits for introducing liquid resin into a mold cavity, a valve pin configured for linear movement along a longitudinal axis of the nozzle to control flow of liquid resin through the nozzle, and an actuator having a housing, wherein the valve pin is coupled to a drive shaft within the housing.

IPC Classes  ?

• B29C 45/20 - Injection nozzles
• B29C 45/27 - Sprue channels
• B29C 45/28 - Closure devices therefor

Abstract

A hot-runner injection molding apparatus that facilitates use of actuators in a compact design includes a hot-runner manifold defining resin channels for conveying resin to nozzles that serve as conduits for introducing liquid resin into a mold cavity, a valve pin configured for linear movement along a longitudinal axis of the nozzle to control flow of liquid resin through the nozzle, and an actuator having a housing, wherein the valve pin is coupled to a drive shaft within the housing.

IPC Classes  ?

• B29C 45/27 - Sprue channels
• B29C 45/28 - Closure devices therefor
• B29C 45/20 - Injection nozzles

Abstract

A hot-runner injection molding apparatus that facilitates use of actuators in a compact design includes a hot-runner manifold defining resin channels for conveying resin to nozzles that serve as conduits for introducing liquid resin into a mold cavity, a valve pin configured for linear movement along a longitudinal axis of the nozzle to control flow of liquid resin through the nozzle, and an actuator having a housing, wherein the valve pin is coupled to a drive shaft within the housing.

IPC Classes  ?

• B29C 45/28 - Closure devices therefor
• B29C 45/76 - Measuring, controlling or regulating

Abstract

A hot-runner injection molding apparatus that facilitates use of electric actuators in a compact design includes a hot-runner manifold defining resin channels for conveying resin to nozzles that serve as conduits for introducing liquid resin into a mold cavity, a valve pin configured for linear movement along a longitudinal axis of the nozzle to control flow of liquid resin through the nozzle, and an electric actuator having a body containing an electric motor, wherein the electric actuator body includes channels for circulating a coolant.

IPC Classes  ?

• B29C 45/28 - Closure devices therefor
• B29C 45/27 - Sprue channels

Abstract

Heating device for locally heating of an injection mold cavity wall, comprising: a base plate, an actuator located on the base plate, to perform a linear movement; a heated stamp connected to the actuator and driven by the actuator, to perform a linear movement in direction to and from the injection mold cavity wall; wherein the heated stamp is located below the base plate and the actuator is located on top of the base plate, and wherein the base plate comprises an opening through which a pin extends for transferring the linear movement from the actuator to the heated stamp.

IPC Classes  ?

• B29C 45/73 - Heating or cooling of the mould
• B29C 45/27 - Sprue channels
• B29C 45/78 - Measuring, controlling or regulating of temperature

Abstract

Heating device for locally heating of an injection mold cavity wall, comprising: a base plate, an actuator located on the base plate, to perform a linear movement; a heated stamp connected to the actuator and driven by the actuator, to perform a linear movement in direction to and from the injection mold cavity wall; wherein the heated stamp is located below the base plate and the actuator is located on top of the base plate, and wherein the base plate comprises an opening through which a pin extends for transferring the linear movement from the actuator to the heated stamp.

IPC Classes  ?

• B29C 45/27 - Sprue channels
• B29C 45/28 - Closure devices therefor
• B29C 45/73 - Heating or cooling of the mould

Abstract

Heating device for locally heating of an injection mold cavity wall, comprising: a base plate, an actuator located on the base plate, to perform a linear movement; a heated stamp connected to the actuator and driven by the actuator, to perform a linear movement in direction to and from the injection mold cavity wall; wherein the heated stamp is located below the base plate and the actuator is located on top of the base plate, and wherein the base plate comprises an opening through which a pin extends for transferring the linear movement from the actuator to the heated stamp.

IPC Classes  ?

• B29C 45/73 - Heating or cooling of the mould
• B29C 45/27 - Sprue channels
• B29C 45/28 - Closure devices therefor

Abstract

A hot runner process controller configured to monitor the status and operation of a hot runner system to autonomously generate information to improve the quality of injection molding process of a hot runner system having an inlet nozzle, one or more manifolds and one or more nozzles with actuator or without actuator, and one or more heating elements, the hot runner process controller is self-operating, and independent from the injection molding machine, includes: one or more sensors located on, in or at the hot runner system to detect the status and/or the operation of the hot runner system, and a processing unit and a memory. The processing unit is connected to the one or more sensors, wherein the memory stores data and program codes. The processing unit is configured to load and execute the program code to compare sensor information with the stored data and to determine if the hot runner system is in an operable status, and in case the hot runner system is in an operable status, configured to generate status information to activate the one or more heating elements and/or the one or more actuators enabling a production operation of the injection molding machine. In case the hot runner system is not in an operable status, configured to generate status information to deactivate the one or more heating elements and/or close or deactivate the one or more actuators disabling a production operation of the injection molding machine.

IPC Classes  ?

• B29C 45/27 - Sprue channels
• B29C 45/76 - Measuring, controlling or regulating

Abstract

A hot runner process controller configured to monitor the status and operation of a hot runner system to autonomously generate information to improve the quality of injection molding process of a hot runner system having an inlet nozzle, one or more manifolds and one or more nozzles with actuator or without actuator, and one or more heating elements, the hot runner process controller is self-operating, and independent from the injection molding machine, includes: one or more sensors located on, in or at the hot runner system to detect the status and/or the operation of the hot runner system, and a processing unit and a memory. The processing unit is connected to the one or more sensors, wherein the memory stores data and program codes. The processing unit is configured to load and execute the program code to compare sensor information with the stored data and to determine if the hot runner system is in an operable status, and in case the hot runner system is in an operable status, configured to generate status information to activate the one or more heating elements and/or the one or more actuators enabling a production operation of the injection molding machine. In case the hot runner system is not in an operable status, configured to generate status information to deactivate the one or more heating elements and/or close or deactivate the one or more actuators disabling a production operation of the injection molding machine.

IPC Classes  ?

• B29C 45/84 - Safety devices
• B29C 45/27 - Sprue channels
• B29C 45/28 - Closure devices therefor
• B29C 45/77 - Measuring, controlling or regulating of velocity or pressure of moulding material
• B29C 45/78 - Measuring, controlling or regulating of temperature
• B29C 45/76 - Measuring, controlling or regulating

Abstract

A hot runner process controller configured to monitor the status and operation of a hot runner system to autonomously generate information to improve the quality of injection molding process of a hot runner system having an inlet nozzle, one or more manifolds and one or more nozzles with actuator or without actuator, and one or more heating elements, the hot runner process controller is self-operating, and independent from the injection molding machine, includes: one or more sensors located on, in or at the hot runner system to detect the status and/or the operation of the hot runner system, and a processing unit and a memory. The processing unit is connected to the one or more sensors, wherein the memory stores data and program codes. The processing unit is configured to load and execute the program code to compare sensor information with the stored data and to determine if the hot runner system is in an operable status, and in case the hot runner system is in an operable status, configured to generate status information to activate the one or more heating elements and/or the one or more actuators enabling a production operation of the injection molding machine. In case the hot runner system is not in an operable status, configured to generate status information to deactivate the one or more heating elements and/or close or deactivate the one or more actuators disabling a production operation of the injection molding machine.

IPC Classes  ?

• B29C 45/76 - Measuring, controlling or regulating
• B29C 45/27 - Sprue channels

Abstract

A hotrunner assembly for an injection molding apparatus includes a hotrunner manifold, a nozzle for conveying liquid resin from an outlet of the hotrunner manifold, a valve pin linearly movable within and along a longitudinal axis of the nozzle to control flow of the liquid resin from the outlet of the hotrunner manifold, an actuator for driving the valve pin, a primary seal disposed radially between the valve pin and walls of a bore extending through the hotrunner manifold, and a secondary seal located axially between the hotrunner manifold and the actuator and circumscribing a section of the valve pin to prevent gases or liquid resin from contacting the actuator.

IPC Classes  ?

• B29C 45/26 - Moulds
• B29C 45/28 - Closure devices therefor
• B29C 45/27 - Sprue channels
• B29K 101/12 - Thermoplastic materials

Abstract

An injection molding hot runner system adapted for leak detection during injection molding includes a manifold and a housing surrounding the manifold, wherein the manifold and the housing are spaced apart defining one or more pockets, the manifold comprises at least one junction point establishing a connection to a component attached to the manifold, wherein at the at least one junction point a sensor is located in the pocket, wherein the sensor is configured to indicate a leak when getting in contact with the molten plastic due to a leak at the junction point.

IPC Classes  ?

• B29C 45/76 - Measuring, controlling or regulating
• B29C 45/78 - Measuring, controlling or regulating of temperature

Abstract

An injection molding hot runner system adapted for leak detection during injection molding includes a manifold and a housing surrounding the manifold, wherein the manifold and the housing are spaced apart defining one or more pockets, the manifold comprises at least one junction point establishing a connection to a component attached to the manifold, wherein at the at least one junction point a sensor is located in the pocket, wherein the sensor is configured to indicate a leak when getting in contact with the molten plastic due to a leak at the junction point.

IPC Classes  ?

• B29C 45/27 - Sprue channels
• B29C 45/76 - Measuring, controlling or regulating

Abstract

An injection molding hot runner system adapted for leak detection during injection molding includes a manifold and a housing surrounding the manifold, wherein the manifold and the housing are spaced apart defining one or more pockets, the manifold comprises at least one junction point establishing a connection to a component attached to the manifold, wherein at the at least one junction point a sensor is located in the pocket, wherein the sensor is configured to indicate a leak when getting in contact with the molten plastic due to a leak at the junction point.

IPC Classes  ?

• B29C 45/27 - Sprue channels
• B29C 45/76 - Measuring, controlling or regulating

Abstract

A hot-runner injection molding apparatus that facilitates use of electric actuators in a compact design includes a hot-runner manifold defining resin channels for conveying resin to nozzles that serve as conduits for introducing liquid resin into a mold cavity, a valve pin configured for linear movement along a longitudinal axis of the nozzle to control flow of liquid resin through the nozzle, and an electric actuator having a body containing an electric motor, wherein the electric actuator body includes channels for circulating a coolant.

IPC Classes  ?

• B29C 45/20 - Injection nozzles
• B29C 45/23 - Feed stopping equipment
• B29C 45/27 - Sprue channels
• B29C 45/28 - Closure devices therefor

Abstract

A hot-runner injection molding apparatus that facilitates use of electric actuators in a compact design includes a hot-runner manifold defining resin channels for conveying resin to nozzles that serve as conduits for introducing liquid resin into a mold cavity, a valve pin configured for linear movement along a longitudinal axis of the nozzle to control flow of liquid resin through the nozzle, and an electric actuator having a body containing an electric motor, wherein the electric actuator body includes channels for circulating a coolant.

IPC Classes  ?

• B29C 45/28 - Closure devices therefor
• B29C 45/27 - Sprue channels

Abstract

A hot-runner injection molding apparatus that facilitates use of electric actuators in a compact design includes a hot-runner manifold defining resin channels for conveying resin to nozzles that serve as conduits for introducing liquid resin into a mold cavity, a valve pin configured for linear movement along a longitudinal axis of the nozzle to control flow of liquid resin through the nozzle, and an electric actuator having a body containing an electric motor, wherein the electric actuator body includes channels for circulating a coolant.

IPC Classes  ?

• B29C 45/27 - Sprue channels
• B29C 45/20 - Injection nozzles
• B29C 45/23 - Feed stopping equipment
• B29C 45/28 - Closure devices therefor

Abstract

A valve gate assembly having an actuator assembly configured to simultaneously control a plurality of valve pins to regulate flow of a liquid resin to a mold cavity of an injection molding apparatus is configured to allow fast and easy removal of the actuator assembly from the pins simultaneously by providing a valve plate having a plurality of slots or pockets for receiving and releasably holding a corresponding one of the pins.

IPC Classes  ?

• B29C 45/23 - Feed stopping equipment
• B29C 45/28 - Closure devices therefor
• F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
• F16K 31/58 - Mechanical actuating means comprising a movable discharge-nozzle

Abstract

A valve gate assembly having an actuator assembly configured to simultaneously control a plurality of valve pins to regulate flow of a liquid resin to a mold cavity of an injection molding apparatus is configured to allow fast and easy removal of the actuator assembly from the pins simultaneously by providing a valve plate having a plurality of slots or pockets for receiving and releasably holding a corresponding one of the pins.

IPC Classes  ?

• F16K 31/528 - Mechanical actuating means with crank, eccentric, or cam with pin and slot
• F16K 31/58 - Mechanical actuating means comprising a movable discharge-nozzle
• F16K 31/122 - Operating meansReleasing devices actuated by fluid the fluid acting on a piston
• B29C 45/28 - Closure devices therefor
• B29C 45/23 - Feed stopping equipment

Abstract

A valve gate assembly having an actuator assembly configured to simultaneously control a plurality of valve pins to regulate flow of a liquid resin to a mold cavity of an injection molding apparatus is configured to allow fast and easy removal of the actuator assembly from the pins simultaneously by providing a valve plate having a plurality of slots or pockets for receiving and releasably holding a corresponding one of the pins.

IPC Classes  ?

• B29C 45/28 - Closure devices therefor

Abstract

A valve gate assembly for an injection molding apparatus having hotrunners includes electric motor and transmission mounted on a cooling block that is itself mounted directly on the hotrunner manifold.

IPC Classes  ?

• B29C 45/27 - Sprue channels
• B29C 45/20 - Injection nozzles
• B29C 45/28 - Closure devices therefor
• B29C 45/17 - Component parts, details or accessoriesAuxiliary operations

Abstract

Injection molding system comprising at least one first actuator-system (Dl, D2, D3), the first actuator system comprising: at least one piston drive having at least two pressure line connectors (CP2, CP3) to drive a piston to open or close a molding nozzle, pressure lines (LI, L2) connectable to a changeover valve (V) having a pressure line connector (P) and tank line connector (T) and at least two changeover pressure line connectors, wherein the first changeover valve pressure line connector (CV1) is connectable to a first pressure line (LI) and the second changeover valve pressure line connector (CV2) is connectable to a second pressure line (L2), wherein the second pressure line (L2) is connected to the second pressure line connector (CP2) of the piston drive, an electronically adjustable flow control valve having a first pressure line connector and a second pressure line connector, wherein the first pressure line connector of the adjustable flow control valve being connected to the first pressure line (LI) to allow a connection to the first pressure line connector (CV1) of the changeover valve (V), and the second pressure line connector is connected to a third pressure line (L3) which establishes a connection to the second pressure line connector (CP3) of the piston drive, at least one electronic flow sensor for (PI, P2, P3) sensing flow rate in the first, second and/or third pressure lines (LI, L2, L3), a controller connected to the adjustable flow control valve and to the at least one sensor, configured to electronically adjust the flow control valve, depending on information of the at least one sensor, controlling thereby the timing and the speed of the movement of the piston and the molding nozzle.

IPC Classes  ?

• B29C 45/28 - Closure devices therefor
• B29C 45/76 - Measuring, controlling or regulating
• B29C 45/77 - Measuring, controlling or regulating of velocity or pressure of moulding material
• B29C 45/17 - Component parts, details or accessoriesAuxiliary operations

Abstract

Injection molding system comprising at least one first actuator-system (Dl, D2, D3), the first actuator system comprising: at least one piston drive having at least two pressure line connectors (CP2, CP3) to drive a piston to open or close a molding nozzle, pressure lines (LI, L2) connectable to a changeover valve (V) having a pressure line connector (P) and tank line connector (T) and at least two changeover pressure line connectors, wherein the first changeover valve pressure line connector (CV1) is connectable to a first pressure line (LI) and the second changeover valve pressure line connector (CV2) is connectable to a second pressure line (L2), wherein the second pressure line (L2) is connected to the second pressure line connector (CP2) of the piston drive, an electronically adjustable flow control valve having a first pressure line connector and a second pressure line connector, wherein the first pressure line connector of the adjustable flow control valve being connected to the first pressure line (LI) to allow a connection to the first pressure line connector (CV1) of the changeover valve (V), and the second pressure line connector is connected to a third pressure line (L3) which establishes a connection to the second pressure line connector (CP3) of the piston drive, at least one electronic flow sensor for (PI, P2, P3) sensing flow rate in the first, second and/or third pressure lines (LI, L2, L3), a controller connected to the adjustable flow control valve and to the at least one sensor, configured to electronically adjust the flow control valve, depending on information of the at least one sensor, controlling thereby the timing and the speed of the movement of the piston and the molding nozzle.

IPC Classes  ?

• B29C 45/17 - Component parts, details or accessoriesAuxiliary operations
• B29C 45/28 - Closure devices therefor
• B29C 45/76 - Measuring, controlling or regulating
• B29C 45/77 - Measuring, controlling or regulating of velocity or pressure of moulding material

Abstract

An actuator system for an injection molding system includes a double acting pressurized fluid actuator having a piston drive movable in a cylinder space, a flow control valve for regulating a flow rate of pressurized fluid to and/or from the cylinder space, a flow sensor for detecting the flow rate of pressurized fluid to and/or from the cylinder space, and an electronic controller for controlling the flow control valve to regulate the flow rate of pressurized fluid to and/or from the cylinder space depending on the flow rate detected by the flow sensor.

IPC Classes  ?

• B29C 45/30 - Flow control means disposed within the sprue channel, e.g. "torpedo" construction
• F16K 1/52 - Means for additional adjustment of the rate of flow
• F16K 21/18 - Self-closing valves, i.e. closing automatically after operation closed when a rising liquid reaches a predetermined level
• G05D 16/20 - Control of fluid pressure characterised by the use of electric means
• B29C 45/28 - Closure devices therefor

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartridge heaters.

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, and cartridge heaters.

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartridge heaters and thermocouples

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartridge heaters.

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartridge heaters and thermocouples, exclusive of any component parts for packaging machines and wrapping machines

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartridge heaters.

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartridge heaters.

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units and cartidge heaters.

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartidge heaters and thermocouples

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, [ mold clamps, mold changing units, ] cartridge heaters and thermocouples

Abstract

Cooling device for the drive for the adjustment of the needle (5) of a needle valve nozzle (3) in hot runner systems for injection molding machines, wherein the drive is mounted on the hot runner manifold (1) of the injection molding machine and wherein the drive housing (10), in which the drive is accommodated, is connected, on the side facing the hot runner manifold (1), with a heat sink (20) of the cooling device, which heat sink is formed as a separate part. According to the invention, the heat sink (20) of the cooling device is mounted on the side of the drive housing facing the hot runner manifold (1) without bearing the weight of the drive housing (10). The heat sink (20) is provided with through-holes, through which the supports (12), which are directly or indirectly connected to the hot runner manifold (1), can extend freely, to which supports the drive housing (10) is attached (FIG. 1).

IPC Classes  ?

• B29C 45/74 - Heating or cooling of the injection unit
• B29C 45/28 - Closure devices therefor
• B29C 45/27 - Sprue channels

Abstract

An injection molding nozzle for dispensing of molten material includes an elongated body member having an outer surface, a first portion at a proximal end, a second portion at a distal end, and a central passageway extending longitudinally therethrough from the first portion to the second portion. The central passageway includes an inlet defined at the proximal end and splits outwardly at the second portion to form a radially extending passageway leading to an outlet. A tip member is coupled to the outlet to facilitate dispensing of molten material into a mold cavity. A groove is defined on the outer surface of the body member that winds from the first portion to a heated section of the second portion that is positioned adjacent to the tip member.

IPC Classes  ?

• B29C 45/20 - Injection nozzles

Goods & Services

Filtering devices, namely, filters for injection molding machines

Abstract

A cascade injection molding system includes a plurality of nozzles each having a valve rod driven by a piston cylinder drive, for injecting melt into the mold cavity, A throttle check valve is located within a pressurizing medium line to regulate nozzle operation. The method includes injecting the melt at feed orifice using a needle valve-controlled needle valve nozzle associated with each feed orifice into the cavity of the molding tool. The needle valve nozzles is opened at different times by controlling the opening speed and the injection pressure at the feed orifices, via the corresponding piston-cylinder drives for the needle valve nozzles. The pressurizing medium discharge from the piston cylinder is throttled for at least one of the piston- cylinder drives when the nozzle is opened.

IPC Classes  ?

• B29C 45/30 - Flow control means disposed within the sprue channel, e.g. "torpedo" construction
• B29C 45/28 - Closure devices therefor

Abstract

A hollow heating cylinder for attachment to an injection nozzle for an injection molding system. An elongated heating cartridge is spirally wound on the outside of the cylinder. The heating cartridge contains two electrically heatable heat conductors which are electrically separated from one another and are located in different regions in the longitudinal direction of the heating cartridge. One heat conductor is positioned for heating the mouth region of the nozzle and the other heat conductor is positioned for heating the shank region of the nozzle.

IPC Classes  ?

• B29C 45/74 - Heating or cooling of the injection unit

Goods & Services

Manufacturing machines, namely injection plastic molding machines, namely hot runner systems for plastic injection molding comprised of manifolds, thermal gates and valve gate injection nozzles.

Abstract

A device for division of a non-Newtonian liquid, for example a molten synthetic material, flowing through a passage (1, 21), and comprising a flow-conditioned viscosity decreasing outward in cross section in flow through a T-shaped passage branching (T) deflecting and dividing the liquid flow. In a first embodiment of the device, before the end of the supply passage (1), a partition (11) is installed in the passage branching (T) dividing the liquid counterflow from the supply passage (1) into two halves, the angular position of the partition (11) assuming a setting adapted to the distribution of the differentially viscous components of the liquid in the supply passage (1). In a second embodiment of the device, in the passage branching (T), a deflector (23) is installed, so fashioned that essentially the central (viscous) component of the liquid from the supply passage (21), prior to its deflection into the discharge passages (22a, 22b), is divided into two components and these are so deflected that the two components preferably flow diametrally towards each other in the region ahead of the discharge passages (22a, 22b).

IPC Classes  ?

• B29C 31/04 - Feeding, e.g. into a mould cavity
• B29C 45/18 - Feeding the material into the injection moulding apparatus
• F15D 1/14 - Diverting flow into alternative channels

Abstract

A device for division of a non-Newtonian liquid, for example a molten synthetic material, flowing through a passage (1, 21), and comprising a flow-conditioned viscosity decreasing outward In cross section in flow through a T-shaped passage branching (T) deflecting and dividing the liquid flow. In a first embodiment of the device, before the end of the supply passage (1), a partition (11) is Installed in the passage branching (T) dividing the liquid counterflow from the supply passage (1) into two halves, the angular position of the partition (11) assuming a setting adapted to the distribution of the differentially viscous components of the liquid in the supply passage (1). In a second embodiment of the device, in the passage branching CT), a deflector (23) is installed, so fashioned that essentially the central (viscous) component of the liquid from the supply passage (21), prior to its deflection into the discharge passages (22a, 22b), is divided into two components and these are so deflected that the two components preferably flow diametrally towards each other in the region ahead of the discharge passages (22a, 22b).

IPC Classes  ?

• B29C 31/04 - Feeding, e.g. into a mould cavity
• B29C 45/18 - Feeding the material into the injection moulding apparatus
• F15D 1/14 - Diverting flow into alternative channels

Abstract

b).

IPC Classes  ?

• F16L 41/00 - Branching pipesJoining pipes to walls

Goods & Services

Hot runner systems for plastic injection molding comprised of manifolds, thermal gates and valve gate injection nozzles

Goods & Services

Component parts for plastic injection molding machines, namely, bushings, manifolds, valve gate units, machine nozzles, plastic stream filters used to screen out plastic and metal impurities, temperature controllers, mold clamps, mold changing units, cartidge heaters and thermocouples

Goods & Services

(1) Nozzles and related parts for injection molding of plastic materials.

Goods & Services

TEMPERATURE CONTROLLERS

Goods & Services

(1) Nozzles and related parts for injection molding of plastic materials.