EP3983190A1 - Dispositif pour la préparation et le traitement d'un mélange à plusieurs composants et procédé pour faire fonctionner un tel dispositif - Google Patents

Dispositif pour la préparation et le traitement d'un mélange à plusieurs composants et procédé pour faire fonctionner un tel dispositif

Info

Publication number
EP3983190A1
EP3983190A1 EP20732184.5A EP20732184A EP3983190A1 EP 3983190 A1 EP3983190 A1 EP 3983190A1 EP 20732184 A EP20732184 A EP 20732184A EP 3983190 A1 EP3983190 A1 EP 3983190A1
Authority
EP
European Patent Office
Prior art keywords
closure element
mixing chamber
hydraulic system
throttle
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20732184.5A
Other languages
German (de)
English (en)
Inventor
Bernhard ILL
Mario METZLER
Christian SCHWABL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP3983190A1 publication Critical patent/EP3983190A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/401—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/805—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle
    • B01F27/806—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis wherein the stirrers or the receptacles are moved in order to bring them into operative position; Means for fixing the receptacle with vertical displacement of the stirrer, e.g. in combination with means for pivoting the stirrer about a vertical axis in order to co-operate with different receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/75—Discharge mechanisms
    • B01F35/752—Discharge mechanisms with arrangements for converting the mechanism from mixing to discharging, e.g. by either guiding a mixture back into a receptacle or discharging it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/405—Mixing heads
    • B29B7/407—Mixing heads with a casing closely surrounding the rotor, e.g. with conical rotor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/582—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/26—Extrusion presses; Dies therefor using press rams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2805—Mixing plastics, polymer material ingredients, monomers or oligomers

Definitions

  • the invention relates to an apparatus for manufacturing and processing a
  • Multi-component mixture with a mixing chamber and a mixing device, wherein the mixing device can have a stirrer arranged in the mixing chamber and driven to rotate about an axis of rotation. It also relates to a method for operating such a device.
  • Multi-component mixture is known in which the mixing chamber can be rinsed by means of water channels let into the chamber wall and can also be tempered.
  • Mixing devices of this type serve to mix several components of a plastic mixture with one another immediately before use and to make them available for processing.
  • the mixing chamber can have an outlet provided with a nozzle through which a strand of the finished mixture can be dispensed in a metered manner and, for example, applied to a surface by means of a robot arm.
  • the problem here is that the opening and closing of the nozzle cause displacement effects in the mixing chamber. These make clean and precise processing of the mixture difficult, for example an optimal coupling between a beginning and an end of a sealing bead.
  • the object of the invention is therefore to provide a device for producing and processing a multi-component mixture with which particularly precise processing and, in particular, particularly precise dispensing of the mixture is possible. Furthermore, a method for operating such a device is to be specified.
  • a device for producing and processing a multicomponent mixture is specified with a mixing chamber which has an outlet, the device having a closure element which can be displaced in the direction of a longitudinal axis L of the mixing chamber in order to open or close the outlet of the mixing chamber close.
  • the size of the axial gap between the closure element and the outlet is preferably in the range from 0.3 mm to 3.5 mm, particularly preferably in a range from 0.5 mm to 1.5 mm, during a metering process. Between metering processes, the size of the axial gap is preferably zero and the mixing chamber is preferably closed.
  • the Device has a device for regulating an axial speed of the
  • Closure element which comprises a hydraulic system in which a hydraulic fluid is guided.
  • the device further comprises a cylinder which is connected to the closure element and which works with a chamber of the hydraulic system or preferably works with a first chamber and a second chamber of the hydraulic system.
  • the device has a controllable throttle gap arranged in the hydraulic system.
  • a nozzle into which the outlet opens is preferably provided.
  • Closure element is preferably provided as a nozzle closure element which can be displaced in the direction of a longitudinal axis L of the mixing chamber in order to clear the nozzle and thus the outlet of the mixing chamber.
  • the hydraulic system is preferably designed as a hydraulic circuit.
  • a double-acting cylinder is preferably used as the cylinder.
  • the closure element can in particular be arranged within the mixing chamber and can be designed, for example, as part of a stirrer of the device which is rotatably arranged on a central shaft.
  • the speed of the stirrer can particularly preferably be set to a value between 1 rpm and 6000 rpm. Very particularly preferably to a value between 800 rpm and 3000 rpm.
  • the pressure in the mixing chamber is preferably in a range between 0.5 bar and 4.0 bar, preferably in a range between 1.5 bar and 3.0 bar.
  • applications can also come into consideration in which the pressure in the mixing chamber is up to 50 bar, so that the mixing chamber is preferably designed and configured to withstand an internal pressure which has a value in a range between 0.5 bar and 50 bar.
  • the device has the advantage that displacement effects when opening and closing the outlet can be minimized by regulating the axial speed of the closing element.
  • an axial movement of the closure element shortly before reaching its end positions, in particular before reaching its
  • the speed control is carried out in a particularly simple manner by means of a hydraulic brake in the form of an adjustable throttle gap.
  • the closure element is designed as part of a stirrer of the device, the preferably double-acting cylinder can be arranged on a drive shaft of the stirrer be.
  • the speed control in particular the throttling of the speed in the case of a power-driven movement of the stirrer, has proven to be particularly advantageous.
  • Pneumatic actuation of the stirrer by means of a pneumatic cylinder for said movement is conceivable here, for example.
  • the time required for the movement of the closure element to close the outlet i.e.
  • the travel time of the closure element from its initial position to reaching the closed position can preferably be lengthened by a factor in the range of 2 to 10 through the throttling. It is conceivable, for example, that the regular movement time of the closure element could be 10 ms without throttling. By throttling, however, an extension could be achieved, for example by a factor of 5 to 50ms, which could have a positive effect on the process.
  • the regular movement time of the closure element could be 10 ms without throttling.
  • an extension could be achieved, for example by a factor of 5 to 50ms, which could have a positive effect on the process.
  • the regular movement time of the closure element could be 10 ms without throttling.
  • an extension could be achieved, for example by a factor of 5 to 50ms, which could have a positive effect on the process.
  • the travel time of the closure element from its initial position to reaching the closed position can preferably be lengthened by a factor in the range of 2 to 10 through the
  • Hydraulic fluid increases and the hydraulic fluid flows through an outlet of this chamber into the hydraulic system, while the pressure of the hydraulic fluid held in the chamber facing the outlet is reduced and hydraulic fluid flows from the hydraulic system into this chamber.
  • the inflow and outflow of hydraulic fluid is throttled depending on the width of the adjustable throttle gap in the hydraulic system.
  • the adjustable throttle gap can in particular be designed to be pneumatically adjustable.
  • a throttle device having the throttle gap can comprise a needle which is axially movable in order to adjust the throttle gap and, for example, to close or release it, the needle being displaceable by a force resulting from a pneumatic pressure and a spring force.
  • a needle loaded by a spring is provided, the preload and arrangement of the spring being selected in particular such that the throttle gap is completely open without a pneumatic pressure working against the spring force. If, however, a pneumatic force acts on the needle against the spring force, the throttle gap is moved towards a closed position.
  • This embodiment has the advantage that the pneumatic regulation can take place very precisely and quickly.
  • the spring of the throttle device can in particular be designed as a wave spring which biases the needle into an open position.
  • a wave spring has the advantage that it requires relatively little space.
  • a spiral spring could also be used, for example.
  • the throttle device has a membrane connected to the needle, via which a pneumatic pressure acts on the needle.
  • the membrane serves in particular to separate the pneumatic circuit from the hydraulic system and enables the needle to be moved into the dry or wet area without leaks between these areas.
  • the membrane can in particular be designed as a metallic disk and clamped in a housing of the throttle device.
  • the use of a plastic material, in particular a fiber-reinforced plastic material, for the membrane is also conceivable.
  • the use of a rubber material, in particular a fluororubber, which is preferably fiber-reinforced has proven to be particularly advantageous. All of these types of membranes can also be clamped in a housing of the throttle device.
  • the hydraulic system can have an expansion tank, on the one hand a
  • the device can comprise a sensor, for example an inductive sensor.
  • the axial position of the closure element can then be used to regulate the speed of the closure element.
  • the device comprises suitable means to the
  • Closure element The device is preferably connected to a computing unit
  • a computing unit connected or comprises such a computing unit, said computing unit comprising an algorithm which calculates the travel speed from the recorded values and compares it with stored setpoint values.
  • the optimal throttle setting for the next movement is in turn calculated from the deviation of the determined actual value from the stored target value using a control algorithm.
  • a constant speed which is preferably identical to the setpoint speed, can be achieved over the entire travel path in this way.
  • a method for operating an apparatus for producing and processing a multicomponent mixture with a mixing chamber specified which has an outlet wherein the device has a closure element which is displaceable in the direction of a longitudinal axis of the mixing chamber in order to open or close the outlet of the mixing chamber.
  • the method comprises the detection of an axial position of the closure element, for example by means of the aforementioned sensor, the determination of a braking requirement of the closure element as a function of its axial position and the setting of a throttle gap in a hydraulic system in such a way that a cylinder connected to the closure element and the a chamber of the hydraulic system works or preferably a first chamber and a second chamber of the hydraulic system works, according to the determined braking requirement of the closure element is hydraulically throttled.
  • a nozzle into which the outlet opens is preferably provided.
  • Closure element is preferably provided as a nozzle closure element which can be displaced in the direction of a longitudinal axis L of the mixing chamber in order to clear the nozzle and thus the outlet of the mixing chamber.
  • the hydraulic system is preferably designed as a hydraulic circuit.
  • the cylinder is preferably a double acting cylinder.
  • a constant speed which is preferably identical to the setpoint speed, can be achieved over the entire travel path by comparing actual values with setpoint values and a subsequent control.
  • the speed of the closure element is preferably set to a value in a range from 10 mm / s to approx. 100 mm / s.
  • the method can also enable the closure element to be braked in the vicinity of its end positions by hydraulic throttling. This allows
  • Displacement effects in the mixing chamber are reduced and the output of mixture from the outlet can be stabilized.
  • the throttle gap is set pneumatically in particular.
  • FIG. 1 shows a longitudinal section through a device for producing and processing a multicomponent mixture according to an embodiment of the invention
  • FIG. 2 shows a longitudinal section through a throttle device for the device according to FIG. 1.
  • FIG. 1 shows a device 1 for producing a multicomponent mixture according to an embodiment of the invention with a mixing chamber 2 and a mixing device 3.
  • the stirrer 4 has the task of actively mixing with one another various components of a multicomponent mixture, which are introduced into the mixing chamber 2 through lines not shown.
  • the multi-component mixture is in particular a plastic.
  • the fully prepared multicomponent mixture can be removed from the mixing chamber 2 through an outlet 15 provided with a nozzle 16.
  • the tip of the stirrer 4 is provided as a closure element for the outlet 15 as a nozzle closure element 10, which is able to close and release the nozzle by moving the stirrer 4 in the axial direction.
  • the area of the mixing chamber 2 which delimits the outlet 15 and which comes into contact with the nozzle closure element 10 is equipped with a circumferential Teflon seal. The size of the axial gap between the
  • the nozzle closure element 10 and the outlet 15 is in the range from 0.5 mm to 1.5 mm during a dosing process.
  • the size of the axial gap is zero between dosing processes and the mixing chamber is closed.
  • the stirrer 4 has an upper end 11 which is connected to a first end 13 of the shaft 12.
  • the shaft 12 is rotatably mounted in a housing 14, which is only partially shown, and has a cylinder 21 which is part of a device 20 for regulating the axial speed of the nozzle closure element 10.
  • a housing 14 which is only partially shown, and has a cylinder 21 which is part of a device 20 for regulating the axial speed of the nozzle closure element 10.
  • a double-acting cylinder 21 is used, which is designed as a hydraulic circuit 24 between a first chamber 22 and a second chamber 23
  • the first chamber 22 has an inlet line 25 and an outlet line 26, which are both parts of the hydraulic circuit 24.
  • the second chamber 23 likewise has an inlet line 25 and an outlet line 26.
  • the inlet lines 25 and the outlet lines 26 are provided with corresponding check valves and are in flow connection with an expansion tank 27 of the hydraulic circuit 24.
  • the expansion tank 27 can have a relatively small volume since the volume of the hydraulic fluid remains constant in principle.
  • a controllable throttle 28 is arranged between the discharge lines 26 and the expansion tank 27. Such a throttle 28 could, however, also be arranged at another point in the hydraulic circuit 24.
  • Thin oil or distilled water for example, can be used as the hydraulic fluid in the hydraulic circuit 24.
  • the axial position of the shaft 12 and thus of the nozzle closure element 10 is determined with a sensor 17 which, in the embodiment shown, is designed as an inductive sensor and measures the distance d to the inclined surface 18.
  • FIG. 2 shows a throttle device 29 forming the throttle 28 with a first housing part 30 and a second housing part 31, between which a membrane 39 is clamped, which separates the throttle device 29 into a chamber 34 and a chamber 40.
  • the chamber 34 forms part of the hydraulic circuit 24 and the chamber 40 forms part of a pneumatic circuit (not shown in detail) for regulating the throttle 28.
  • a needle 35 is arranged, which is movable in the direction of its longitudinal axis I in order to set a throttle gap 33 and, for example, to close or open it.
  • the needle 35 is biased by a wave spring 36 into an open position of the throttle gap 33.
  • a pneumatic force also acts on the needle 35 due to the pressure prevailing in the chamber 40.
  • the needle 35 is connected to the membrane 39, which is clamped between a needle head 37 and a cover 38 of the needle 35 in such a way that the membrane 39 carries the needle 35 with it when it is moved and the needle 35 remains movable in the direction of its longitudinal axis I. .
  • the needle 35 has a seal 42 in order to separate the chambers 34 and 40 from one another in a liquid-tight manner even when the membrane 39 connected to the needle 35 is moved.
  • the pressure in the chamber 40 can be regulated via an inlet 41 for compressed air.
  • the membrane 39 thus serves both to transmit the pneumatic force to the needle 35 and to seal the two chambers 34, 40 against one another.
  • the axial position of the nozzle closure element 10 is measured with the aid of the sensor 17.
  • a braking requirement for the nozzle closure element 10 is determined as a function of this position and as a function of a material output request to the device 1.
  • a pressure is generated in the chamber 40 which, together with the the spring force provided by the wave spring 36 adjusts the throttle gap 33 in order to throttle a movement of the nozzle closure element 10 in the desired manner.
  • Hydraulic fluid is throttled by the throttle 28.
  • the time required for the movement of the nozzle closure element 10 to close the outlet 15 from the initial position of the nozzle closure element can be increased.
  • regular travel times which can for example lie in a range of 8 ms and 20 ms
  • an extension to a travel time of the nozzle closure element 10 to, for example, 50 ms can be made possible.
  • the speed of the closure element can be set to a value in a range from 10mm / s to approx. 100mm / s.
  • the movement of the nozzle closure element 10 can be regulated in such a way that displacement effects within the mixing chamber 2 are minimized and a uniform and controlled output of mixture through the nozzle 16 is ensured.
  • the control also enables the compensation of interfering influences such as changes in the viscosity of the hydraulic fluid depending on the system temperature.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Dispositif (1) pour la préparation et le traitement d'un mélange à plusieurs composants doté d'un compartiment de mélange (2), qui présente une sortie (15), le dispositif (1) présentant un élément de fermeture (10) qui est coulissable dans la direction d'un axe longitudinal L du compartiment de mélange (2), afin de libérer ou de refermer la sortie (15) du compartiment de mélange (2), le dispositif (1) présentant un appareil (20) pour le réglage d'une vitesse axiale de l'élément de fermeture (10), qui comprend ce qui suit : - un système hydraulique (24), dans lequel un liquide hydraulique est conduit ; - un cylindre (21) relié à l'élément de fermeture (10) de buse, qui travaille avec au moins un compartiment (22, 23) du système hydraulique (24) et - une fente d'étranglement (33) réglable disposée dans le système hydraulique (24).
EP20732184.5A 2019-06-11 2020-06-09 Dispositif pour la préparation et le traitement d'un mélange à plusieurs composants et procédé pour faire fonctionner un tel dispositif Pending EP3983190A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019208475.3A DE102019208475A1 (de) 2019-06-11 2019-06-11 Vorrichtung zum Herstellen und Verarbeiten eines Mehrkomponentengemisches und Verfahren zum Betreiben einer derartigen Vorrichtung
PCT/EP2020/065919 WO2020249542A1 (fr) 2019-06-11 2020-06-09 Dispositif pour la préparation et le traitement d'un mélange à plusieurs composants et procédé pour faire fonctionner un tel dispositif

Publications (1)

Publication Number Publication Date
EP3983190A1 true EP3983190A1 (fr) 2022-04-20

Family

ID=71083629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20732184.5A Pending EP3983190A1 (fr) 2019-06-11 2020-06-09 Dispositif pour la préparation et le traitement d'un mélange à plusieurs composants et procédé pour faire fonctionner un tel dispositif

Country Status (4)

Country Link
US (1) US20220088829A1 (fr)
EP (1) EP3983190A1 (fr)
DE (1) DE102019208475A1 (fr)
WO (1) WO2020249542A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519978B1 (de) * 2017-12-19 2018-12-15 Sonderhoff Eng Gmbh Vorrichtung zur Herstellung von Kunststoffteilen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626344C (de) * 1932-12-10 1936-02-24 Vladimir Vltavsky Hydraulische Presse
DE3210978A1 (de) * 1982-03-25 1983-09-29 Basf Ag, 6700 Ludwigshafen Mischvorrichtung fuer mehrkomponentenkunststoffe, insbesondere polyurethan
DE29819785U1 (de) * 1998-10-21 1999-01-21 Edf Polymer Applikation Maschi Vorrichtung zum Herstellen und/oder Verarbeiten von Mehrkomponentengemischen
DE19848357A1 (de) * 1998-10-21 2000-04-27 Edf Polymer Applikation Maschi Vorrichtung zum Herstellen und/oder Verarbeiten von Mehrkomponentengemischen
DE202005011120U1 (de) * 2005-07-12 2005-09-22 Elektrobau Wehrmann Gmbh Kantenauftragsdüse
DE102012103885B4 (de) 2012-05-03 2015-07-23 Sonderhoff Engineering Gmbh Vorrichtung zum Herstellen eines Mehrkomponentengemisches
AT517337B1 (de) * 2015-07-03 2017-01-15 Sonderhoff Engineering Gmbh Mischvorrichtung
AT516947B1 (de) * 2015-07-03 2016-10-15 Sonderhoff Eng Gmbh Mischvorrichtung
JP6836480B2 (ja) * 2017-08-28 2021-03-03 株式会社神戸製鋼所 油圧システム、ゴム混練機および油圧システムの制御方法

Also Published As

Publication number Publication date
DE102019208475A1 (de) 2020-12-17
US20220088829A1 (en) 2022-03-24
WO2020249542A1 (fr) 2020-12-17

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