WO2019025087A1 - Dispositif et procédé de fabrication d'une pièce en mousse particulaire - Google Patents

Dispositif et procédé de fabrication d'une pièce en mousse particulaire Download PDF

Info

Publication number
WO2019025087A1
WO2019025087A1 PCT/EP2018/067541 EP2018067541W WO2019025087A1 WO 2019025087 A1 WO2019025087 A1 WO 2019025087A1 EP 2018067541 W EP2018067541 W EP 2018067541W WO 2019025087 A1 WO2019025087 A1 WO 2019025087A1
Authority
WO
WIPO (PCT)
Prior art keywords
steam
mold
supply line
pressure
control valve
Prior art date
Application number
PCT/EP2018/067541
Other languages
German (de)
English (en)
Inventor
Norbert Reuber
Original Assignee
Kurtz Gmbh
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 Kurtz Gmbh filed Critical Kurtz Gmbh
Publication of WO2019025087A1 publication Critical patent/WO2019025087A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • B29C33/048—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam using steam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/60—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould

Definitions

  • the present invention relates to an apparatus and a method for producing a particle foam part, with which foam particles are welded together in a mold with the addition of steam to a particle foam part.
  • Methods and apparatus for producing particle foam parts in a mold, wherein the foam particles are welded together by supplying steam for example, from WO2014 / 128214 AI, WO2015 / 097075 AI and WO2016 / 083464 AI show.
  • Steam is generated in a steam generator, the mold, which is filled with the foam particles, supplied, wherein the steam, the foam particles heated so that they weld together.
  • the cooled vapor is then discharged to the environment.
  • a transverse reduction is carried out, in which the steam is first passed from one mold half of the mold to another mold half of the mold through a mold space and then passed in the opposite direction through the mold space.
  • a very uniform welding of the particle foam part is achieved.
  • DE 38 36 875 AI discloses a method for producing moldings from expandable plastic particles.
  • the method is characterized in that the cooling of the actual mold wall parts is carried out by evaporation of condensate formed from water vapor.
  • the condensate comes from the steam introduced for welding and it evaporates again by evacuating the steam chamber.
  • DE 21 29 046 A discloses a method for producing moldings from foamable thermoplastic material. It is characterized by the fact that the mold walls are heated and cooled on the outside with liquid heat transfer medium. In the interior of the mold, steam is introduced, which is separated from the heating and cooling system of the mold outer walls.
  • CN 20 35 10 58 2 U discloses a waste heat recovery system for a semi-automatic molding machine.
  • the system includes upper and lower molds with the drain and outlet tubes connected to the upper and lower molds.
  • the steam can be sucked off and passed into a heating device, where it is then heated up again.
  • the invention has for its object to provide an apparatus and a method for producing a particle foam part, in which foam particles are welded by means of steam, compared to conventional devices and methods, the energy used is used efficiently and can be produced without sacrificing quality particle foam parts.
  • the device according to the invention for producing a particle foam part comprises
  • the device is characterized in that the steam discharge is coupled to a steam injector nozzle to the steam supply line, so that at least a portion of the steam derived from the mold is fed back into the steam supply line.
  • the steam line is coupled directly to the steam supply line so that the steam derived from the mold is not returned via the steam source.
  • the steam generated by the steam source is generally hotter than desired for welding the foam particles.
  • This steam generated by the source is hereinafter referred to as "live steam.”
  • Steam injector nozzles are normally used to supply steam to a liquid stream to heat the liquid stream.
  • the steam injector nozzle is used to supply "cool steam” to a stream of live steam to thereby provide saturated steam at as optimum a temperature as possible or optimal pressure for welding the foam particles.
  • the steam injector nozzle is preferably formed as a Venturi nozzle for accelerating the flow of steam provided by the steam source and has a branch conduit which opens into the region of accelerated vapor flow to supply the steam derived from the mold. Due to the high flow velocity of the accelerated vapor stream, the vapor derived from the mold mixes very well with the stream of live steam.
  • a Venturi nozzle enclosing annular channel is formed, which is connected to the branch line, so that the derived from the mold cool steam is supplied at the entire circumference of the stream of live steam and mixed with this.
  • the steam discharge leading away from the mold preferably branches to a steam outlet at which steam can be released to the environment.
  • An output control valve may be provided such that the ratio between the steam supplied to the steam injector nozzle and the steam outlet is adjustable.
  • the output control valve can be designed as a manually adjustable throttle valve, with which a certain ratio between the steam injector nozzle and the steam outlet zuleitmilaen steam is adjusted.
  • the output control valve may also be a throttle valve biased by a controller which automatically adjusts the ratio between the steam supplied to the steam injector nozzle and the steam outlet to the current one. adapted operating state of the device and / or adjusts according to a control specification of a central control device.
  • a condensate separator is preferably provided to separate the condensate contained in the steam discharged from the mold from the steam.
  • a filter may be provided to filter out plastic particles entrained by the foam particles in the mold.
  • the mold is preferably formed from two mold halves and the steam can be passed from the first to the second mold half and vice versa from the second to the first mold half, wherein each mold half has a vapor discharge.
  • a back pressure valve for controlling a back pressure in the respective mold half.
  • the use of such dynamic pressure valves is particularly useful for welding plastics having a temperature of at least 110 ° C and preferably at least 120 ° C, because such a dynamic pressure ensures that a correspondingly high temperature is maintained in the mold.
  • a pressure and / or a temperature sensor may be arranged to measure the pressure and / or the temperature of the steam supplied to the mold.
  • a control device can control, based on the measured pressure or on the basis of the measured temperature, a supply control valve arranged in the steam supply line such that the steam at the desired temperature or at the desired pressure is supplied to the mold.
  • the pressure and / or temperature sensor is preferably arranged either in the mold or in the steam supply line in the section between the last direction of pressure reducing element, such as the Dampfinjektordüse or the feed control valve and the mold.
  • the supply control valve may be disposed in the steam supply line in the region between the steam source and the steam injector nozzle.
  • the invention relates to a method for producing a particle foam part in which a mold is supplied with steam for welding foam particles therein to a particle foam part, the steam is discharged from the mold and at least a portion of the vapor derived from the steam source supplied live steam is mixed.
  • the vapor derived condensate derived from the mold is separated and separated from the circuit.
  • a device is preferably used, as explained above.
  • FIG. 1 a first exemplary embodiment of a device for producing a particle foam part in a block diagram
  • FIG. 2 shows a second embodiment of an apparatus for producing a particle foam part in a block diagram.
  • a device 1 for producing a particle foam part comprises a mold 2, a steam generator 3, which acts as a steam source for generating steam, a steam supply line 4, which leads from the steam generator 3 to the mold 2 to supply steam for welding foam particles to the mold 2 and a Steam discharge 5, which leads away from the mold to divert the spent steam from the mold ( Figure 1).
  • the mold is formed from two mold halves 6, 7, between which a mold space 8 is limited.
  • the mold 2 is connected via a Greinjektor and a filling line with a foam particle reservoir to supply the mold 2 foam particles.
  • a separate steam discharge 5/1 and 5/2 is provided for each mold half 6, 7.
  • a filter 9/1 and 9/2 is provided in the two steam outlets 5/1 and 5/2.
  • a Kondensatabscheider 10/1 or 10/2 in the two steam outlets 5/1 and 5/2.
  • the two steam discharges 5/1 and 5/2 lead after the condensers 10/1 and 10/2 to a common point and as a common steam discharge 5 to a Dampfinjektordüse 11, which is arranged in the steam supply line 4.
  • the steam discharge line 5 is thus arranged directly on the steam supply line 4 through the steam injector nozzle 11.
  • a control valve 30 is provided adjacent to the common point 30 with a corresponding actuator 31, with which the steam flow through the steam discharges 5/1 and 5/2 on the condensate 10/1 and 10/2 can be controlled.
  • the steam injector nozzle 11 is a Venturi nozzle, which has a secondary port which opens in the region of the Venturi nozzle. With the venturi, the flow of steam provided by the steam generator 3 is accelerated. This steam is referred to below as live steam.
  • the live steam stream is supplied via the auxiliary connection of the steam derived from the mold and mixed with this. This steam derived from the mold is colder than the live steam, which is why it is hereinafter referred to as "cool steam”.
  • a supply control valve 12 which is a throttle valve which controls the steam supply from the steam generator 3 in the steam supply pipe 4.
  • a control device 13 with an actuator 14 and a control unit 15 is coupled to the supply control valve 12.
  • the control unit 15 controls the actuator 14 so that it can open and close the supply control valve 12.
  • the supply control valve 12 can be adjusted with different sized open positions, so that the live steam flow is throttled to different degrees by the supply control valve 12.
  • the control unit has an input E, which is connected via a signal line 16 to a pressure sensor 17, which is arranged in the mold 2 in a steam chamber and measures the pressure prevailing therein.
  • control unit 15 has an input P at which the pneumatic pressure for actuating the actuator 14 and an input S, to which a control signal is present, which specifies a desired value.
  • This control signal S is generated by a central len control device (not shown) generated.
  • the control device 13 controls the supply control valve 12, so that the mold 2 steam is supplied so that a desired pressure in the steam chamber in Mold 2 is present.
  • the corresponding pressure or temperature sensor can also be arranged instead of in the mold 2 in the steam supply line 4 and in particular as close as possible to the mold 2.
  • a second steam supply line (not shown) is provided which leads from the steam generator 3 to the input of the second mold half 7.
  • This second steam supply line likewise has a feed control valve, a corresponding control device and a steam injector nozzle, which in turn is coupled to the steam outlet 5.
  • each with a back pressure valve 19/1 and 19/2 are arranged.
  • the dynamic pressure valves 19/1 and 19/2 are the same as the supply control valve 12 designed as a throttle valve, which are controlled by a control device 20, each with an actuator 14 and a control unit 15.
  • the input E of the control devices 20/1 or 20/2 is in each case connected to a pressure sensor 21/1 or 21/2 arranged in the steam outlet 5.
  • These control devices 20 in turn have an input P, to which the pneumatic pressure for actuating the actuator 14 is applied, and an input S, to which a setpoint predetermined by the central control device is present.
  • the control valve 30 is only opened when condensate is to be separated by means of one of the two condensate 10/1 or 10/2. In normal operation, the control valve 30 is closed and the emerging from the mold 2 steam is passed through the derivatives 18/1 or 18/2.
  • the filters 9/1 and 9/2 serve to protect the condensate separators 10/1 and 10/2.
  • the Dampfinjektordüse 11 and the other valves 12, 19 and 24 have larger opening cross-sections than the Kondensatabscheider and therefore do not require a filter. With the dynamic pressure valves 19, a back pressure can be generated, which acts in the mold 2.
  • a steam branch 22 In the area between the condensate 10/1 and 10/2 and the control valve 30 and the Dampfinjektordüse 11 leads from the steam discharge line 5 a steam branch 22 to an output 23.
  • an output control valve 24 is provided, which is the same as the valves 12th , 19 is provided with a control device 25, which has an actuator 14 and a control unit 15.
  • the input E of the control device 25 is connected to a pressure sensor 26 which is located in the steam branch line 22 or in a line communicating therewith. With the pressure sensor 26, the pressure in the steam branch line 22 in the area in front of the output control valve 24 is measured and regulated by means of the control device 25. This is also the pressure with which the cool steam is supplied to the steam injector nozzle 11. This pressure thus influences the mixing ratio between the cold steam and the live steam.
  • a second exemplary embodiment of a device 1 according to the invention for producing particle foam parts (FIG. 2) is designed similarly to the first exemplary embodiment and has a molding tool 2, a steam generator 3, a steam supply line 4 and a steam outlet 5.
  • the mold 2 in turn consists of two mold halves 6, 7, which define a mold space 8.
  • a single steam supply line 4 is provided, which leads from the steam generator 3 via a steam injector nozzle 11 to the mold tool 2.
  • This steam supply line 4 is branched in the area in front of the mold 2 into two steam supply branch lines 27, 28, in each of which a supply control valve 12/1 or 12/2 is arranged.
  • the steam supply branch lines 27, 28 are each connected to one of the mold halves 6, 7 of the molding tool 2.
  • the supply control valves 12/1 and 12/2 are the same as the supply control valve 12 of the firstticiansbeispie- les each provided by a control device 13, which consists of an actuator 14 and a control unit 15.
  • control devices 13/1 and 13/2 are connected to a pressure sensor 29/1 or 29/2, which in the steam supply branch line 27, 28 in the region between the respective supply control valve 12/1 and 12/2 and the respective mold half. 6 7, so as to regulate the pressure of the respective mold half supplied steam.
  • a respective dynamic pressure valve 19/1 or 19/2 is arranged, the are connected to corresponding control devices 20/1 and 20/2.
  • the inputs of these control devices 20/1 and 20/2 are connected to pressure sensors 21/1 and 21/2, which are in the steam discharge lines 5/1 and 5/2 in the area between the respective mold half 6, 7 and the respective dynamic pressure valve 19th / 1 or 19/2 respectively.
  • the dynamic pressure valves 19/1 and 19/2 With the dynamic pressure valves 19/1 and 19/2, the pressure of the steam at the outlet of the mold half 6, 7 and thus in the mold 2 can be controlled.
  • the two steam discharges 5/1 and 5/2 are merged in the flow direction after the back pressure valves 19/1 and 19/2 to a common steam discharge 5.
  • the common steam discharge 5 leads via a control valve 32 with a corresponding actuator 33 to the steam injector nozzle 11.
  • the steam discharge 5 is thus, as in the first embodiment, arranged by the Dampfinjektordüse 11 directly to the steam supply line 4. As a result, the steam derived from the mold is not returned via the steam generator 3.
  • a bypass line 34 is provided, in which a filter 9, a condensate separator 10 and a control valve 30 with a corresponding actuator 31 are arranged. Condensate vapor is passed from the tool 2 via the bypass line 34 to eliminate the condensate.
  • the Dampfinjektordüse 11 can be supplied via the common steam discharge line 5 or the bypass line 34 of cool steam.
  • a steam branch line 22 leads to a steam outlet 23.
  • an output control valve 24 which in turn is connected to a control device 25, consisting of an actuator 14 and a control unit 15 with a pressure sensor 26, the located in the steam branch line 22. Since the steam branch line is communicatively connected to the portion of the steam discharge line 5 which connects the condensate separator 10 to the steam injector nozzle 11, the pressure of the cool steam in the common steam outlet 5, that of the steam injector nozzle, is influenced by means of the output control valve 24 and the corresponding control device 25 11 is supplied.
  • the control valve 32 serves to adjust the flow of steam supplied to the steam injector nozzle 11.
  • the control valve could be left out and alone with the output control valve 24 can then on the one hand, the ratio of the cool steam, which is supplied to the steam outlet 23 and the Dampfinjektordüse 11, adjusted, as well as influence on the mixing ratio between the cool steam and the steam generator 3 live steam taken, which are mixed in the Dampfinjektordüse 11.
  • the individual streams and pressures are much easier to adjust with the additional control valve 32.
  • the control valve 32 prevents the high pressure in the steam supply line 4 from spreading through the steam injector nozzle 11 into the steam outlet 5.
  • the first exemplary embodiment explained above with reference to FIG. 1 can also be provided with such a control valve 32 adjacent to the steam injector nozzle 11 in order to keep the steam line 5 at a lower pressure level than the steam supply line 4.
  • a control valve 32 adjacent to the steam injector nozzle 11 in order to keep the steam line 5 at a lower pressure level than the steam supply line 4.
  • both supply control valves 12/1 and 12/2 and the dynamic pressure valves 19/1 and 19/2 are provided with a control device with which the valves can be opened and closed continuously and can be opened and closed in several stages.
  • either the supply control valves 12/1 or 12/2 or the dynamic pressure valves 19/1 and 19/2 may be designed as simple switching valves, which can only be switched between an open and a closed state.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

L'invention concerne un dispositif et un procédé de fabrication d'une pièce en mousse particulaire, la vapeur provenant d'un moule (2) étant au moins partiellement réacheminée dans ce moule (2). La chaleur contenue dans la vapeur provenant du moule (2) est ainsi utilisée et la consommation d'énergie est réduite.
PCT/EP2018/067541 2017-08-01 2018-06-29 Dispositif et procédé de fabrication d'une pièce en mousse particulaire WO2019025087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017117427.3A DE102017117427A1 (de) 2017-08-01 2017-08-01 Vorrichtung und Verfahren zur Herstellung eines Partikelschaumstoffteils
DE102017117427.3 2017-08-01

Publications (1)

Publication Number Publication Date
WO2019025087A1 true WO2019025087A1 (fr) 2019-02-07

Family

ID=62778925

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/067541 WO2019025087A1 (fr) 2017-08-01 2018-06-29 Dispositif et procédé de fabrication d'une pièce en mousse particulaire

Country Status (2)

Country Link
DE (1) DE102017117427A1 (fr)
WO (1) WO2019025087A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110076950A (zh) * 2019-06-03 2019-08-02 温州恒来新能源科技有限公司 一种燃气能蒸汽式泡沫塑料一体成型机
CN112440403A (zh) * 2019-08-30 2021-03-05 株式会社钟化 发泡颗粒的制造装置和制造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019124302A1 (de) * 2019-09-10 2021-03-11 Werkzeugbau Siegfried Hofmann Gmbh Vorrichtung zum Verarbeiten eines Partikelschaummaterials zum Herstellen eines Partikelschaumformteils
DE102021110353A1 (de) 2021-04-22 2022-10-27 Siegfried Hofmann Gmbh Verfahren und Vorrichtung zur Verarbeitung von Partikelschaummaterial zur Herstellung eines Partikelschaumformteils
DE102022116628A1 (de) 2022-07-04 2024-01-04 Siegfried Hofmann Gmbh Vorrichtung zur Verarbeitung eines Partikelschaummaterials zur Herstellung wenigstens eines Partikelschaumformteils

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2129046A1 (de) 1971-06-11 1973-01-04 Hans Erlenbach Verfahren und vorrichtung zum herstellen von formlingen aus schaeumbarem thermoplastischen kunststoff
JPS5660228A (en) * 1979-10-23 1981-05-25 Toyo Kikai Kinzoku Kk Heating method for mold in foam molding machine
DE3115625C1 (de) * 1981-04-16 1982-10-28 Wiegand Karlsruhe Gmbh, 7505 Ettlingen Verfahren zum Vorschäumen von Kunststoffgranulat
JPS5816828A (ja) * 1981-07-22 1983-01-31 Kanegafuchi Chem Ind Co Ltd 発泡成形における蒸気節減法
DE3836875A1 (de) 1988-04-07 1989-10-26 Erlenbach Gmbh & Co Kg Verfahren und vorrichtung zum herstellen von formlingen aus expandierbaren kunststoffpartikeln
WO2000045100A1 (fr) 1999-01-26 2000-08-03 Tetra Laval Holdings & Finance Sa Procede de reglage d'un injecteur de vapeur
WO2002077408A1 (fr) * 2001-03-28 2002-10-03 Tracto-Technik Gmbh Dispositif de melange pour milieux de forage
EP2257182B1 (fr) 2008-02-20 2012-08-15 Tetra Laval Holdings & Finance S.A. Injecteur de vapeur ajustable
CN202965050U (zh) * 2012-10-19 2013-06-05 东莞大鼎机械有限公司 加热及冷却循环系统
CN203510582U (zh) 2013-10-14 2014-04-02 安徽红星阀门有限公司 半自动成型机余热回收系统
WO2014128214A1 (fr) 2013-02-20 2014-08-28 Kurtz Gmbh Procédé et dispositif pour produire une pièce en mousse particulaire
WO2015097075A1 (fr) 2013-12-23 2015-07-02 Kurtz Gmbh Dispositif et procédé de production d'une pièce en mousse particulaire
WO2016083464A1 (fr) 2014-11-26 2016-06-02 Kurtz Gmbh Procédé de commande d'une étape d'un processus exécuté automatiquement par une machine et procédé de fabrication d'une pièce en mousse de particules

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2129046A1 (de) 1971-06-11 1973-01-04 Hans Erlenbach Verfahren und vorrichtung zum herstellen von formlingen aus schaeumbarem thermoplastischen kunststoff
JPS5660228A (en) * 1979-10-23 1981-05-25 Toyo Kikai Kinzoku Kk Heating method for mold in foam molding machine
DE3115625C1 (de) * 1981-04-16 1982-10-28 Wiegand Karlsruhe Gmbh, 7505 Ettlingen Verfahren zum Vorschäumen von Kunststoffgranulat
JPS5816828A (ja) * 1981-07-22 1983-01-31 Kanegafuchi Chem Ind Co Ltd 発泡成形における蒸気節減法
DE3836875A1 (de) 1988-04-07 1989-10-26 Erlenbach Gmbh & Co Kg Verfahren und vorrichtung zum herstellen von formlingen aus expandierbaren kunststoffpartikeln
WO2000045100A1 (fr) 1999-01-26 2000-08-03 Tetra Laval Holdings & Finance Sa Procede de reglage d'un injecteur de vapeur
WO2002077408A1 (fr) * 2001-03-28 2002-10-03 Tracto-Technik Gmbh Dispositif de melange pour milieux de forage
EP2257182B1 (fr) 2008-02-20 2012-08-15 Tetra Laval Holdings & Finance S.A. Injecteur de vapeur ajustable
CN202965050U (zh) * 2012-10-19 2013-06-05 东莞大鼎机械有限公司 加热及冷却循环系统
WO2014128214A1 (fr) 2013-02-20 2014-08-28 Kurtz Gmbh Procédé et dispositif pour produire une pièce en mousse particulaire
CN203510582U (zh) 2013-10-14 2014-04-02 安徽红星阀门有限公司 半自动成型机余热回收系统
WO2015097075A1 (fr) 2013-12-23 2015-07-02 Kurtz Gmbh Dispositif et procédé de production d'une pièce en mousse particulaire
WO2016083464A1 (fr) 2014-11-26 2016-06-02 Kurtz Gmbh Procédé de commande d'une étape d'un processus exécuté automatiquement par une machine et procédé de fabrication d'une pièce en mousse de particules

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110076950A (zh) * 2019-06-03 2019-08-02 温州恒来新能源科技有限公司 一种燃气能蒸汽式泡沫塑料一体成型机
CN112440403A (zh) * 2019-08-30 2021-03-05 株式会社钟化 发泡颗粒的制造装置和制造方法

Also Published As

Publication number Publication date
DE102017117427A1 (de) 2019-02-07

Similar Documents

Publication Publication Date Title
WO2019025087A1 (fr) Dispositif et procédé de fabrication d'une pièce en mousse particulaire
EP0285811B1 (fr) Dispositif pour l'expansion de tabac coupé
DE102009001006B4 (de) Komplexkraftwerk und Kraftwerksteuerverfahren
WO2005073538A1 (fr) Dispositif de refoulement
DE102005060979A1 (de) Verfahren und Vorrichtung zum Herstellen von Blasfolien aus thermoplastischen Kunststoffen
DE102012103349A1 (de) Blasformmaschine mit Bodenkühlung in Stabilisierungsphase
AT520890B1 (de) Temperiergerät und Verfahren zum Steuern und Regeln eines Temperiergeräts für ein
DE102011080127A1 (de) Vorrichtung zur Kühlmittelbedüsung in einer hüttentechnischen Anlage
DE102013214809A1 (de) Vorrichtung und Verfahren zur gesteuerten Mehrstoff-Sekundärkühlung eines gegossenen Metallstrangs
EP3335812A1 (fr) Installation de refroidissement de laminés
DE2523303A1 (de) Vorrichtung zur hydraulischen steuerung des spritzdrucks, nachdrucks und staudrucks von spritzgiessmaschinen
EP2776684B1 (fr) Procédé de commande d'un processus de refroidissement de composants de turbine
EP1072384A2 (fr) Procédé et dispositif pour fabriquer un article moulé en matière plastique
EP0995959B1 (fr) Dispositif de séchage pour sécher de matériau en vrac
EP3752350B1 (fr) Procédé et dispositif pour la commande d'une soupape et utilisation du dispositif dans une presse de vulcanisation de pneus
DE102013010296A1 (de) Verfahren und Injektor zum Einleiten eines dampfförmigen Wärmeträgers in ein flüssiges Produkt
DE1479763B1 (de) Verfahren zum Kuehlen der Formteile von Form- oder Giessmaschinen zum Verarbeiten von thermoplastischem Kunststoff
EP0667223B1 (fr) Dispositif pour générer de l'azote à haute pression
AT4122U1 (de) Verfahren und vorrichtung zum temperieren von formwerkzeugen von spritzgussmaschinen
EP3915754A1 (fr) Dispositif et procédé de mise en température variothermique d'un outil de moulage par injection
DE3634749C2 (fr)
EP0324941B1 (fr) Procédé et installation de traitement de matières textiles
DE102021104375A1 (de) Vorrichtung und Verfahren zur geregelten Durchflusstemperierung einer Spritzgießform
WO2024068874A1 (fr) Machine de moulage par injection de matière plastique et procédé permettant de faire fonctionner une machine de moulage par injection de matière plastique
AT521443B1 (de) Temperiergerät und Verfahren zum Steuern und Regeln eines Temperiergeräts für ein Verarbeitungsgerät, insbesondere eine Spritzgießmaschine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18734819

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18734819

Country of ref document: EP

Kind code of ref document: A1