Abstract: An apparatus for powder spheroidisation by microwave-induced plasma comprises a microwave generator (4), a microwave cavity (20), a waveguide (6) connecting the microwave generator to the microwave cavity, a plasma tube (3) partially located in the microwave cavity, a powder supply (2) connected to the plasma tube to feed a powder precursor flow thereinto, a gas supply (1) connected to the plasma tube to feed a process gas flow thereinto, in order to form a plasma torch in the plasma tube by coupling the process gas flow with the microwave radiation, and a compressed air supply (9). The microwave cavity comprises at least one opening (25) for the compressed air (91) so that the latter can cool the plasma tube from outside, and the gas supply is connected to the powder supply to let the process gas (11) carry the powder precursor (21) into the plasma tube, and so into the plasma torch in order to make spheroids (31) from the powder precursor by in-flight melting.

Abstract: An ultrasonic device comprising a fusion chamber (10) with an inlet bore (11) for a polymer in pellet, powder or tablet form, a plunger that modifies the volume of the fusion chamber, an outlet bore (12) that communicates with a mould (60), a sonotrode bore (13) through which a distal portion (21) of an ultrasonic head (20) is inserted into the fusion chamber, wherein the distal portion is separated from the rest of the ultrasonic head by a first nodal plane (PN1) in correspondence of a first surface (S1) in contact with a complementary surface of a ring seal (30) that closes the fusion chamber, the ultrasonic head including a second nodal plane (PN2) away from and parallel to the first nodal plane in correspondence of or adjacent to a second surface (S2) wherein an anchoring device (40) presses the ultrasonic head against the ring seal ensuring a tight closure.

Abstract: An ultrasonic device comprising a chamber (10) provided with an inlet bore (11), which receives a melted pressurized polymer, an outlet bore (12) and a sonotrode housing bore (13) through which a distal portion (21) of an ultrasonic head (20) is inserted into the chamber, wherein the distal portion is separated from the rest of the ultrasonic head by a first nodal plane (PN1) wherein there is a first surface (S1) in contact with a complementary surface of a ring seal (30) that closes the chamber, and wherein the ultrasonic head includes a second nodal plane (PN2) away from and parallel to the first nodal plane (PN1) coinciding with or adjacent to a second surface (S2) wherein an anchoring device (40) presses the ultrasonic head against the ring seal ensuring a tight closure.

Abstract: A computer implemented method for generating a mold model for production predictive control and computer program products thereof. The method comprises receiving first parameters about molding machine sensors and second parameters about mold cavity; classifying each injection cycle of a plurality of injection cycles of a first injection molding machine considering the first and second parameters and quality or characteristics of injected given parts in the machine; processing the first and second parameters to remove undesired or irregular data values thereof; merging the first and second parameters providing a global group of processed parameters; executing a machine learning algorithm on the global group of processed parameters generating an extended mold model; and using said generated extended mold model for further monitoring and control of the mold in further injection processes in the first injection molding machine and/or for optimizing a production process of the mold in the first molding machine.

Abstract: An ultrasonic device comprising a fusion chamber (10) with an inlet bore (11) for a polymer in pellet, powder or tablet form, a plunger that modifies the volume of the fusion chamber, an outlet bore (12) that communicates with a mould (60), a sonotrode bore (13) through which a distal portion (21) of an ultrasonic head (20) is inserted into the fusion chamber, wherein the distal portion is separated from the rest of the ultrasonic head by a first nodal plane (PN1) in correspondence of a first surface (S1) in contact with a complementary surface of a ring seal (30) that closes the fusion chamber, the ultrasonic to head including a second nodal plane (PN2) away from and parallel to the first nodal plane in correspondence of or adjacent to a second surface (S2) wherein an anchoring device (40) presses the ultrasonic head against the ring seal ensuring a tight closure.

Abstract: An ultrasonic device comprising a chamber (10) provided with an inlet bore (11), which receives a melted pressurized polymer, an outlet bore (12) and a sonotrode housing bore (13) through which a distal portion (21) of an ultrasonic head (20) is inserted into the chamber, wherein the distal portion is separated from the rest of the ultrasonic head by a first nodal plane (PN1) wherein there is a first surface (S1) in contact with a complementary surface of a ring seal (30) that closes the chamber, and wherein the ultrasonic head includes a second nodal plane (PN2) away from and parallel to the first nodal plane (PN1) coinciding with or adjacent to a second surface (S2) wherein an anchoring device (40) presses the ultrasonic head against the ring seal ensuring a tight closure.

Abstract: The device for feeding molten plastic material into a molding cavity (30) includes a melting chamber (20) in which metered solid plastic material is introduced, a sonotrode (10) provided for tightly inserting a portion thereof into said melting chamber (20), causing the plastic material to melt by means of vibration, and relative movement of the sonotrode (10) and melting chamber (20) allows driving the molten plastic material inside a molding cavity (30) communicated with said melting chamber (20), the device including resistance sensors (40) allowing an electronic control device (50) to know the resistance that the plastic material has against the movement of the sonotrode (10).

Abstract: A computer implemented method for generating a mold model for production predictive control and computer program products thereof. The method comprises receiving first parameters about molding machine sensors and second parameters about mold cavity; classifying each injection cycle of a plurality of injection cycles of a first injection molding machine considering the first and second parameters and quality or characteristics of injected given parts in the machine; processing the first and second parameters to remove undesired or irregular data values thereof; merging the first and second parameters providing a global group of processed parameters; executing a machine learning algorithm on the global group of processed parameters generating an extended mold model; and using said generated extended mold model for further monitoring and control of the mold in further injection processes in the first injection molding machine and/or for optimizing a production process of the mold in the first molding machine.

Abstract: The device comprises a sonotrode (102) which can produce an oscillatory movement by means of a transducer (101) in order to generate ultrasound oscillation waves in said light alloy melt, when said sonotrode (102) and said melt are in contact, so as to perform the degassing; and an electronic-mechanical component (104) embedded in part of the sonotrode (102) for detecting the state of the service life or an anomaly of the sonotrode (102). The electronic-mechanical component (104) includes means for sending at least one notification signal to an electronic remote control equipment (103), forming a system together with the device. The electronic control device (103) is configured for sending an activation or deactivation signal for activation or deactivation of said transducer (101), taking into account said at least one notification signal.

Abstract: The device comprises a sonotrode (102) which can produce an oscillatory movement by means of a transducer (101) in order to generate ultrasound oscillation waves in said light alloy melt, when said sonotrode (102) and said melt are in contact, so as to perform the degassing; and an electronic-mechanical component (104) embedded in part of the sonotrode (102) for detecting the state of the service life or an anomaly of the sonotrode (102). The electronic-mechanical component (104) includes means for sending at least one notification signal to an electronic remote control equipment (103), forming a system together with the device. The electronic control device (103) is configured for sending an activation or deactivation signal for activation or deactivation of said transducer (101), taking into account said at least one notification signal.

Abstract: The device for feeding molten plastic material into a molding cavity (30) includes a melting chamber (20) in which metered solid plastic material is introduced, a sonotrode (10) provided for tightly inserting a portion thereof into said melting chamber (20), causing the plastic material to melt by means of vibration, and relative movement of the sonotrode (10) and melting chamber (20) allows driving the molten plastic material inside a molding cavity (30) communicated with said melting chamber (20), the device including resistance sensors (40) allowing an electronic control device (50) to know the resistance that the plastic material has against the movement of the sonotrode (10).

Abstract: Method and device for solid structure formation by localized microwaves for additive fabrication of solid bodies by use of localized microwave radiation applied to a source material, in the form of a powder, wire or other solid form, so as to generate a hotspot in a thermal-runaway process or through plasma breakdown, and melt a small portion of it (with at least one dimension smaller than the microwave wavelength) thereby consolidating small pieces of the molten source material in a stepwise manner to construct the entire body.

Abstract: Method and mold for producing air ducts (P) from plastic material, especially soft plastic material, with a hardness of between Shore 5 and Shore 65, of the type comprising a hollow main body (P1) provided with at least one protuberance or nipple (P2) that projects from the exterior wall of the main body (P1), the method comprising the steps of injection-molding at least one nipple (P2) from plastic material inside a first cavity (1) of a mold (M); interconnecting the first cavity (1) with a second cavity (3) arranged in the same mold (M) and located adjacent to said first cavity (1), in order to form a single volume; and blow-molding a hollow body from a moldable plastic-material parison inside the second cavity (3).

Abstract: The pellet dosing apparatus comprises a hopper (10) pouring pellets (1) on a chute (30) which is vibrated by a vibrator device (3) to move the pellets (1) forward along the chute until dropping them from a discharging end (30a). A counting device (20) is arranged for counting the number of pellets (1) falling from said discharging end (30a) of the chute (30) into a dosing container (4). The pellets (1) are retained in the dosing container (4) by transferring means until their number reaches an amount corresponding to a pre-established dose determined by control means based on a counting signal received from said counting device (20). The control means then control the transferring means to transfer the pellets from the dosing container to an output duct.

Abstract: The pellet dosing apparatus comprises a hopper (10) pouring pellets (1) on a chute (30) which is vibrated by a vibrator device (3) to move the pellets (1) forward along the chute until dropping them from a discharging end (30a). A counting device (20) is arranged for counting the number of pellets (1) falling from said discharging end (30a) of the chute (30) into a dosing container (4). The pellets (1) are retained in the dosing container (4) by transferring means until their number reaches an amount corresponding to a pre-established dose determined by control means based on a counting signal received from said counting device (20). The control means then control the transferring means to transfer the pellets from the dosing container to an output duct.

Abstract: Method and mould for producing air ducts (P) from plastic material, especially soft plastic material, with a hardness of between Shore 5 and Shore 65, of the type comprising a hollow main body (P1) provided with at least one protuberance or nipple (P2) that projects from the exterior wall of the main body (P1), the method comprising the steps of injection-moulding at least one nipple (P2) from plastic material inside a first cavity (1) of a mould (M); interconnecting the first cavity (1) with a second cavity (3) arranged in the same mould (M) and located adjacent to said first cavity (1), in order to form a single volume; and blow-moulding a hollow body from a mouldable plastic-material parison inside the second cavity (3).

Abstract: It comprises a support (3), an ultrasonic transducer (1), a sonotrode (2), a nozzle (4), at an end part of said sonotrode, and a melting chamber (5) in communication with a deposition outlet (4a) through a discharging channel (6a) wherein: an internal channel (6) extends through the sonotrode (2) allowing a loose passage of plastic material in solid state; said internal channel (6) extends along a section with a progressive reduction of its clearance area through a truncated conical section providing said discharging channel (6a) and containing said melting chamber (5); several longitudinal profiles or ribs (10), located as a cone generator and angularly offset are protruding from the interior wall of the conical section of the melting chamber (5), having a multifaceted end (11) facing and opposed to an entrance to said melting chamber (5).

Abstract: The invention relates to an ultrasonic device for molding micro plastic parts, which combines: a) a mold cavity configured in a mold having an inlet for supplying plastic material to a chamber with an access opening and the chamber facing the cavity at a distal end in relation to its access opening; b) a cantilevered ultrasonic vibration element associated with an ultrasound generator, with an end portion or tip inserted tightly into the chamber through the access opening in an axially centered manner; c) a movement device for generating a relative movement between the end portion and the parts of the mold so that the end portion engages with the supplied plastic material and exerts a pressure of pre-determined magnitude thereon upon activation of the ultrasonic vibration element.

Abstract: It comprises a support (3), an ultrasonic transducer (1), a sonotrode (2), a nozzle (4), at an end part of said sonotrode, and a melting chamber (5) in communication with a deposition outlet (4a) trough a discharging channel (6a) wherein: an internal channel (6) extends through the sonotrode (2) allowing a loose passage of plastic material in solid state; said internal channel (6) extends along a section with a progressive reduction of its clearance area through a truncated conical section providing said discharging channel (6a) and containing said melting chamber (5); several longitudinal profiles or ribs (10), located as a cone generator and angularly offset are protruding from the interior wall of the conical section of the melting chamber (5), having a multifaceted end (11) facing and opposed to an entrance to said melting chamber (5).

Abstract: The invention relates to an ultrasonic device for molding micro plastic parts, which combines: a) a mold cavity configured in a mold having an inlet for supplying plastic material to a chamber with an access opening and the chamber facing the cavity at a distal end in relation to its access opening; b) a cantilevered ultrasonic vibration element associated with an ultrasound generator, with an end portion or tip inserted tightly into the chamber through the access opening in an axially centered manner; c) a movement device for generating a relative movement between the end portion and the parts of the mold so that the end portion engages with the supplied plastic material and exerts a pressure of pre-determined magnitude thereon upon activation of the ultrasonic vibration element.