Patents Assigned to Synventive Molding Solutions, Inc.
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Patent number: 10518451Abstract: A method and apparatus for performing an injection molding cycle comprising drivably interconnecting a valve pin to an electric motor actuator and controllably operating the electric motor to drive the valve pin at one or more reduced rates of upstream or downstream travel based on either detection of the position of the pin or actuator or on a preselected length of time at which to drive the valve pin.Type: GrantFiled: December 20, 2017Date of Patent: December 31, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Mark Moss, Vito Galati
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Patent number: 10518453Abstract: Injection molding apparatuses and methods wherein a valve pin is controllably driven upstream and downstream along an axis between a first closed position where the tip end of the valve pin obstructs the gate to prevent the injection fluid from flowing into the cavity, a full open position and one or more intermediate positions, wherein the valve pin is drivable to be disposed or held in a selected intermediate position for a selected period of time during the course of an injection cycle where the tip end of the valve pin restricts flow of injection fluid through the gate to the mold cavity.Type: GrantFiled: May 29, 2019Date of Patent: December 31, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Sergio Ribeiro de Oliveira Antunes, Lin Yang, Vito Galati, Hans-Joerg Schreyer
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Patent number: 10500775Abstract: Apparatus and method for detecting a position of an actuator piston driving a valve pin in an injection molding system. The apparatus includes an actuator housing having a body portion, surrounding an axial bore, of a substantially non-magnetic and/or magnetically permeable material, a piston, movable within the axial bore for driving a valve pin, the piston including a magnetic member generating a magnetic field such that axial movement of the piston in the bore modifies the magnetic field according to the position of the piston relative to a detection position, and a magnetic field detector attached to an exterior surface of the body portion at the detection position for detecting the magnetic field associated with the position of the piston and generating an output signal determined by the piston position.Type: GrantFiled: December 5, 2018Date of Patent: December 10, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Lin Yang
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Patent number: 10493674Abstract: An injection molding apparatus including an actuator interconnected to a rod or valve pin having a smooth continuous cylindrical outer surface and one or more discontinuous or relieved or relieved portions formed as discontinuities in the cylindrical outer surface and adapted to be disposed within a fluid flow channel, the one or more discontinuous or relieved portions being configured and arranged along the axial length of the pin or rod such that the flow of injection fluid over or past the one or more discontinuous or relieved portions is modified to flow at substantially different rates or velocities or in substantially different flow patterns relative to rate or velocity or pattern of flow of injection fluid over or past the smooth continuous cylindrical outer surface.Type: GrantFiled: October 14, 2015Date of Patent: December 3, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Salvatore A. LoGrasso, Albert R. Bernier, Vito Galati
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Patent number: 10414079Abstract: An injection molding apparatus comprising a manifold, an actuator having a piston that divides an enclosed actuator housing into upstream and downstream actuator drive chambers, the piston having an internal piston chamber and a piston bore that communicates flow of the drive fluid between one of the upstream or downstream actuator drive chambers and the internal piston chamber, a flow rate controller adapted to enable flow of drive fluid between one of the upstream or downstream actuator drive chambers and a source of drive fluid at a first low rate of flow over a selected first portion of the stroke length of the piston and at a second high rate of flow over a selected second portion of the stroke length of the piston.Type: GrantFiled: February 9, 2017Date of Patent: September 17, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Christopher Lee, Vito Galati
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Patent number: 10384385Abstract: An injection molding system comprised of: an injection machine having a barrel and a screw for injecting an injection fluid, a distribution manifold, a valve associated with a corresponding one of one or more downstream gates, a sensor adapted to sense and generate a signal indicative of pressure of the injection fluid in the barrel or an inlet that delivers injection fluid from the barrel to the manifold, and a controller receiving the signal generated from the sensor and including instructions that use the signal as a control value to adjust, during the course of an injection cycle, positioning or velocity of one or more of the valve pins.Type: GrantFiled: April 21, 2016Date of Patent: August 20, 2019Assignee: Synventive Molding Solutions, Inc.Inventor: Vito Galati
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Patent number: 10359124Abstract: An injection molding apparatus including: a valve pin driven by an actuator, the valve pin extending axially through at least a portion of the channel length of the fluid flow channel, the fluid flow channel including a throat, downstream flow of the injection fluid being restricted by a bulb portion of the pin, the valve pin having an intermediate position where downstream flow of injection fluid is unrestricted and a fully downstream position where downstream flow of injection fluid is stopped at both the gate and at the throat, wherein the actuator is driven by a valve assembly comprised of a spool mechanically driven by first and second actuators or solenoids that each separately engage the spool at opposing axial ends to effect movement of the spool back and forth between the drive fluid flow positions.Type: GrantFiled: October 19, 2017Date of Patent: July 23, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Vito Galati, Zhuang Rui Tan
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Patent number: 10328623Abstract: An injection molding apparatus comprising a heated manifold, an actuator comprised of an actuator housing containing a drive member interconnected to a valve pin having a drive axis, one or more heat convectors each heat convector comprised of a heat conductive leg disposed within a gap disposed between the manifold and a downstream end of the actuator housing and a heat conductive arm extending distally upstream and away from the gap such that heat is conducted from the leg to the arm upstream and away from the downstream end of the actuator housing.Type: GrantFiled: May 16, 2017Date of Patent: June 25, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Christian Carey, Vito Galati
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Patent number: 10322537Abstract: An injection molding apparatus and method for adjusting the axial position of a valve pin in an injection molding system, the apparatus comprising: a top clamp plate, a heated manifold receiving and distributing an injection fluid to an exit of a fluid delivery channel to a cavity of the mold, an actuator comprising a housing having a chamber enclosing a drive member for driving a valve pin along an axial path of travel, the actuator housing slidably mounted and adapted for controlled upstream and downstream movement of the drive member along a path complementary to the axial path of travel of the valve pin, a mounting plate and an axial position adjustment screw screwably mounted within the mounting plate upstream of the housing of the actuator for controllably moving the valve pin to selectable starting or ending injection cycle axial positions.Type: GrantFiled: August 2, 2017Date of Patent: June 18, 2019Assignee: Synventive Molding Solutions, Inc.Inventor: Zhuang Rui Tan
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Patent number: 10307951Abstract: Injection molding apparatuses and methods wherein a valve pin is controllably driven upstream and downstream along an axis between a first closed position where the tip end of the valve pin obstructs the gate to prevent the injection fluid from flowing into the cavity, a full open position and one or more intermediate positions, wherein the valve pin is drivable to be disposed or held in a selected intermediate position for a selected period of time during the course of an injection cycle where the tip end of the valve pin restricts flow of injection fluid through the gate to the mold cavity.Type: GrantFiled: February 14, 2017Date of Patent: June 4, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Sergio Ribeiro de Oliveira Antunes, Lin Yang, Vito Galati, Hans-Joerg Schreyer
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Patent number: 10245772Abstract: Apparatus and method for detecting a position of an actuator piston driving a valve pin in an injection molding system. The apparatus includes an actuator housing having a body portion, surrounding an axial bore, of a substantially non-magnetic and/or magnetically permeable material, a piston, movable within the axial bore for driving a valve pin, the piston including a magnetic member generating a magnetic field such that axial movement of the piston in the bore modifies the magnetic field according to the position of the piston relative to a detection position, and a magnetic field detector attached to an exterior surface of the body portion at the detection position for detecting the magnetic field associated with the position of the piston and generating an output signal determined by the piston position.Type: GrantFiled: July 21, 2016Date of Patent: April 2, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Lin Yang
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Patent number: 10173356Abstract: An apparatus for controlling the rate of flow of a fluid mold material comprising: a manifold, an actuator interconnected to a valve pin, a position sensor that senses position of the valve pin, a controller that controls movement of the actuator according to instructions that instruct the actuator to drive the valve pin upstream at one or more selected intermediate velocities in response to receipt by the controller of a signal from the position sensor that the valve pin is disposed in the one or more intermediate upstream gate open positions.Type: GrantFiled: April 6, 2017Date of Patent: January 8, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Sergio Ribeiro de Oliveira Antunes, Christian Gotz, Juergen Wilhelm Emich
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Patent number: 10166709Abstract: An injection molding apparatus comprising a clamp plate, a heated manifold, an actuator, a mold and a cooling device, wherein the cooling device comprises: a heat transmitter comprising a distal arm or member and a proximal base or member, the distal arm or member or member being mounted by a spring loadable interconnection or engagement to or with the proximal base or member, the clamp plate, the mold, the manifold, the actuator and the heat transmitter being assemblable together in an arrangement wherein the spring loadable interconnection is loaded urging the distal end surface of the distal arm or member into compressed engagement with the clamp plate.Type: GrantFiled: December 15, 2016Date of Patent: January 1, 2019Assignee: SYNVENTIVE MOLDING SOLUTIONS, INC.Inventors: Zhuang Rui Tan, Vito Galati
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Patent number: 10166710Abstract: Apparatus and method for detecting a position of an actuator piston driving a valve pin in an injection molding system. The apparatus includes an actuator housing having a body portion, surrounding an axial bore, of a substantially non-magnetic and/or magnetically permeable material, a piston, movable within the axial bore for driving a valve pin, the piston including a magnetic member generating a magnetic field such that axial movement of the piston in the bore modifies the magnetic field according to the position of the piston relative to a detection position, and a magnetic field detector attached to an exterior surface of the body portion at the detection position for detecting the magnetic field associated with the position of the piston and generating an output signal determined by the piston position.Type: GrantFiled: August 15, 2017Date of Patent: January 1, 2019Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Lin Yang
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Patent number: 10160150Abstract: An apparatus for controlling the rate of flow of mold material to a mold cavity, the apparatus comprising: an injection molding machine and a manifold; an actuator interconnected to a valve pin having a tip end; a valve system in fluid communication with the actuator to drive the actuator at one or more rates of travel, the valve system having a start position, one or more intermediate drive rate positions and a high drive rate position, the start position holding the valve pin in a gate closed position; a controller that instructs the valve system to move from the start position to the one or more intermediate drive rate positions and to remain in the one or more intermediate drive rate positions for one or more corresponding predetermined amounts of time.Type: GrantFiled: March 8, 2017Date of Patent: December 25, 2018Assignee: SYNVENTIVE MOLDING SOLUTIONS, INC.Inventors: Vito Galati, Sergio Ribeiro de Oliveira Antunes, J. Andres Lopez
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Patent number: 10052801Abstract: An apparatus for driving a valve pin in an injection molding system, comprising: an actuator having a piston disposed within a master chamber, the piston being slidable upstream and downstream within the master chamber having a seal that forms a seal surface with a complementary interior surface of the master chamber, the seal surface forming opposing upstream and downstream fluid drive chambers, a bleed port extending through the interior surface of the master chamber at a position on the interior surface of the master chamber where the bleed port is: either disposed immediately downstream of the complementary interior surface of the master chamber that forms a seal with the seal surface of the piston and communicates with a downstream fluid drive chamber when the piston is in a fully upstream position, or is disposed immediately upstream of the complementary interior surface of the master chamber that forms a seal with the circumferential seal surface of the piston and communicates with an upstream fluidType: GrantFiled: November 5, 2015Date of Patent: August 21, 2018Assignee: Synventive Molding Solutions, Inc.Inventors: Vito Galati, Zhuang Rui Tan
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Patent number: 10046496Abstract: An injection molding apparatus comprising a clamp plate, a heated manifold, an actuator, a mold and a cooling device, wherein the cooling device comprises: a heat transmitter comprising a distal arm or member and a proximal base or member, the distal arm or member being mounted by a spring loadable interconnection or engagement to or with the proximal base or member, the clamp plate, the mold, the manifold, the actuator and the heat transmitter being assemblable together in an arrangement wherein the spring loadable interconnection is loaded urging the distal end surface of the distal arm or member into compressed engagement with the clamp plate.Type: GrantFiled: December 15, 2016Date of Patent: August 14, 2018Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Vito Galati
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Patent number: 10046497Abstract: An injection molding apparatus comprising a clamp plate, a heated manifold, an actuator, a mold and a cooling device, wherein the cooling device comprises: a heat transmitter comprising a distal arm or member and a proximal base or member, the distal arm or member being mounted by a spring loadable interconnection or engagement to or with the proximal base or member, the clamp plate, the mold, the manifold, the actuator and the heat transmitter being assemblable together in an arrangement wherein the spring loadable interconnection is loaded urging the distal end surface of the distal arm or member into compressed engagement with the clamp plate.Type: GrantFiled: December 15, 2016Date of Patent: August 14, 2018Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Vito Galati
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Patent number: 10005215Abstract: An injection molding apparatus comprising a clamp plate, a heated manifold, an actuator, a mold and a cooling device, wherein the cooling device comprises: a heat transmitter comprising a distal arm or member and a proximal base or member, the distal arm or member being mounted by a spring loadable interconnection or engagement to or with the proximal base or member, the clamp plate, the mold, the manifold, the actuator and the heat transmitter being assemblable together in an arrangement wherein the spring loadable interconnection is loaded urging the distal end surface of the distal arm or member into compressed engagement with the clamp plate.Type: GrantFiled: July 7, 2016Date of Patent: June 26, 2018Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Vito Galati
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Patent number: 10005216Abstract: An injection molding apparatus comprising a clamp plate, a heated manifold, an actuator, a mold and a cooling device, wherein the cooling device comprises: a heat transmitter comprising a distal arm or member and a proximal base or member, the distal arm or member being mounted by a spring loadable interconnection or engagement to or with the proximal base or member, the clamp plate, the mold, the manifold, the actuator and the heat transmitter being assemblable together in an arrangement wherein the spring loadable interconnection is loaded urging the distal end surface of the distal arm or member into compressed engagement with the clamp plate.Type: GrantFiled: January 4, 2017Date of Patent: June 26, 2018Assignee: Synventive Molding Solutions, Inc.Inventors: Zhuang Rui Tan, Vito Galati