WO2011069661A1 - Adaptateur de co-extrusion - Google Patents

Adaptateur de co-extrusion Download PDF

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Publication number
WO2011069661A1
WO2011069661A1 PCT/EP2010/007492 EP2010007492W WO2011069661A1 WO 2011069661 A1 WO2011069661 A1 WO 2011069661A1 EP 2010007492 W EP2010007492 W EP 2010007492W WO 2011069661 A1 WO2011069661 A1 WO 2011069661A1
Authority
WO
WIPO (PCT)
Prior art keywords
coextrusion
channel
housing
central channel
thermoplastic materials
Prior art date
Application number
PCT/EP2010/007492
Other languages
German (de)
English (en)
Inventor
Bianca Lauwers
Achim Kaun
Helmut Meyer
Original Assignee
Reifenhäuser GmbH & Co. KG Maschinenfabrik
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 Reifenhäuser GmbH & Co. KG Maschinenfabrik filed Critical Reifenhäuser GmbH & Co. KG Maschinenfabrik
Priority to EP10788259A priority Critical patent/EP2509766A1/fr
Priority to CA2782795A priority patent/CA2782795C/fr
Priority to CN2010800558338A priority patent/CN102652054A/zh
Priority to US13/514,253 priority patent/US20120321733A1/en
Publication of WO2011069661A1 publication Critical patent/WO2011069661A1/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels

Definitions

  • the invention relates to a device for producing multilayer composites of thermoplastic materials, comprising a coextrusion adapter through which the thermoplastic materials can flow, with an inlet opening and an outlet opening, in which the thermoplastic materials are brought together in layers.
  • thermoplastic materials which usually also come from a number of extruders, for example in the context of the production of films, plates and sheets.
  • the individual thermoplastic materials are guided together as thermoplastic melts in the coextrusion adapter in the desired layer layer and subsequently fed to an extrusion tool for producing the multilayer composite.
  • the thermoplastic material flowing in the central channel forms at least one inner layer and the thermoplastic materials supplied via the coextrusion channels are arranged on the outside.
  • coextrusion adapters examples include the subject of DE-OS 37 41 793, DE 197 57 827 A1 and EP 1 621 320 A1.
  • the coextrusion adapters described therein are characterized by the fact that one can influence the layer distribution from the outside during the operation of the system.
  • CONFIRMATION COPY Position takes place via multi-part adjusting elements. This is absolutely necessary for very high-quality products, however, requires highly complex and thus expensive coextrusion adapter. A structurally simpler coextrusion adapter is the subject of US-A-3,743,460.
  • a device of the type mentioned is known in which a coextrusion adapter is provided with a housing with a central channel and in the central channel opening coextrusion channels.
  • the central channel has a receiving bore extending therethrough into which a coextrusion bolt can be inserted, which in turn has a channel bore continuing the central channel (11) and partially forms a partial section of the at least one coextrusion channel between its outer surface and the wall of the receiving bore.
  • the object of the invention is to propose a device that is inexpensive to manufacture and nevertheless flexible and quickly adaptable to different production conditions, which also enables a high product quality.
  • the coextrusion adapter with a structure of modularly stacked housings each having a central channel arranged in the housing and at least one coextrusion channel opening into the respective central channel, wherein the central channels of the modularly stacked housing continue each other and the central channel and the Coextrusion channels in the direction of the outlet opening of the thermoplastic materials are flowed through and each housing further comprises a central channel passing through the receiving bore, in which a coextrusion bolt is used, in turn, has a central channel continuing the channel bore and partially between its outer surface and the wall of the receiving bore a Part of the at least one coextrusion channel forms.
  • the number of thermoplastic materials which can be brought together in layers in the device can thus be varied as desired.
  • another housing is added modularly to the previous housing, which increases the number of layers accordingly. For example, with a housing up to three, with two housing up to five, with three housing up to seven and with four housing up to nine layers can be added to each other, whereby this number can be further increased by corresponding further modular stacked housing.
  • an existing coextrusion adapter can be reduced by removing individual housings even in its maximum processable number of layers.
  • the central channel formed in the respective housing is preferably transversely interrupted by the penetrating receiving bore, but is continued with the coextrusion bolt through its channel bore, so that formed between the inlet opening and the outlet opening of the housing a continuous and in a subsection extending through the coextrusion central channel in the housing is, by which thermoplastic material can flow in the course of the production of multilayer composites.
  • the coextrusion is formed such that at least partially between its outer surface and the wall of the receiving bore is given a certain distance, which forms a portion of the at least one Koextrusionskanals.
  • thermoplastic material flowing through the central bore and at least in one subsection through the channel bore of the coextrusion bolt serves to form at least one middle layer, while the thermoplastic material which is supplied via the coextrusion channel and at least partially between the outer surface of the coextrusion bolt and the wall the receiving bore is guided, the formation of at least one outer layer, for example, serves a cover layer of the multilayer composite to be produced.
  • the channel bore in the coextrusion bolt and / or the subsection of the at least one coextrusion channel which runs between the wall of the receiving bore and the outer surface of the coextrusion bolt have a cross section whose shape is viewed in the direction of the outlet opening circular to rectangular shape changes.
  • the coextrusion also serves to transfer the first usually supplied in a channel with round cross-section melt of the thermoplastic material into a rectangular cross-sectional stream, which is then extruded for the production of films, plates or sheets from a slot die with such moderate rectangular cross-section.
  • a coextrusion channel is formed on both sides of the central channel of each modular housing, so that three layers per housing can be obtained, namely two outer layers via a coextrusion channel and an inner layer via the central channel.
  • the at least one coextrusion channel is equipped with an adjusting device for the prevailing flow cross section in order to be able to further influence the layer thickness, which is formed from the thermoplastic material supplied via the coextrusion channel.
  • an adjusting device can be formed, for example, by a bolt which partially penetrates the coextrusion channel and which acts as a throttle device and can be contoured differently in its region penetrating the coextrusion channel.
  • a correspondingly contoured bolt can also a complete closure of a coextrusion channel can be effected in order to obtain further variations of the number of layers and their positioning.
  • the formation of a three-layer composite is possible. If more than three layers within the composite to be produced are desired, due to the modular design according to the invention, several such housings with a co-extrusion bolt are stacked on top of one another such that the respective central channels continue each other.
  • a maximum three-layered composite is first produced in the first housing, which is then fed together to the second housing in its central channel, so that up to two further layers can be externally applied to the previously produced three-layer composite.
  • a multi-layered melt strand with, for example, 4, 5, 6, 7, 8, 9, etc. layers, which are finally fed to a tool which is connected downstream of the coextrusion adapter.
  • the housings which can be stacked modularly in any meaningful number, have suitable connecting and sealing means on the facing joining surfaces in order to be able to couple them modularly to form a coextrusion adapter of the desired number of layers.
  • an adapter plate for connection of feed devices for the thermoplastic materials can additionally be provided in the region of the inlet openings of the central channel and the at least one coextrusion channel, which can be exchanged in order to replace the
  • Figure 1 is a vertical section through a first embodiment of the device according to the invention
  • FIG. 2 shows a vertical section through the first embodiment of the coextrusion adapter according to the invention in a sectional plane rotated by 90 ° with respect to FIG. 1;
  • FIG. 3 is a perspective view of the coextrusion adapter according to the first embodiment of the invention.
  • FIG. 4 shows a vertical section through a second embodiment of the coextrusion adapter according to the invention; a vertical section through the second embodiment of the coextrusion according to the invention in a comparison with Figure 4 rotated by 90 ° cutting plane; the coextrusion adapter according to the invention according to the second embodiment in a perspective view; a side view of a bolt according to an embodiment of the invention;
  • FIG. 7b shows the section A-A in FIG. 7a
  • Figure 8 is a side view of a bolt in a second embodiment of the invention.
  • a coextrusion adapter can be seen from FIGS. 1 to 3, which serves to form a multilayer composite of thermoplastic materials in a tool (not shown here and downstream of the coextrusion adapter 1), for example a slot die for producing films, plates or sheets.
  • the coextrusion adapter 1 comprises a plurality of melt lines 3, 5, 6 with respective melt channels 30, 50, 60 through which a respective melt of the thermoplastic material is fed to the coextrusion adapter 1 in the direction of flow of extruders, not shown ,
  • the respective supplied melts are deflected in designated by reference numerals 20, 21 deflection channels within an angle connection piece 2 from the original feed direction in a directed to a housing 10.1 flow direction and then enter the marked with reference numeral 10.1 housing, which like the other parts of Coextrusion adapter 1 is heated by external heaters 15 to a suitable temperature for the transport of the thermoplastic melts.
  • the deflection channel 20 opens via an inlet opening 110 into a central channel 11 formed inside the housing 10.1, while the two deflection channels 21 open into coextrusion channels 12 which continue correspondingly in the housing 10.1.
  • Both the central channel 11 and the two coextrusion channels 12 are spaced from a horizontal, i. transversely to the flow direction (here vertically downwards) extending receiving bore 100 passes, which extends transversely through the housing 10.1.
  • a co-extrusion bolt 13 is sealingly inserted, which in turn has a diametrically extending through the co-extrusion bolt 13 channel bore 130 which is aligned so that it continues the central channel 11 in the direction of the outlet opening 111 thereof and thus a portion of the central channel 11 forms.
  • the design of the channel bore 130 is selected so that its cross section, starting from the inlet 110 facing the end to the outlet opening 111 facing the end of an initially circular shape changes into a rectangular shape and in so far on the Melting channels 30, 20 in the central channel 11 incoming stream of thermoplastic material is transferred from a first cylindrical into a cuboid strand, which subsequently passes from the central channel 11 via an outlet opening 111 in a downstream tool connection part 4 with a corresponding melt channel 40.
  • the bolt which has a cylindrical shape outside the penetration area of the central channel 11 and coextrusion channels 12 and completely fills the channel bore 130, is contoured and shaped in the region of its outer surface 131 on both sides of the central channel 11 in the region of the coextrusion channels 12 penetrated by the receiving bore 100 in that a gap or gap exists to the wall of the receiving bore 100, so that this gap forms a partial section 120 of the coextrusion channels 12 and to this extent continues the coextrusion channel 12 penetrated by the receiving bore 100.
  • the cross-sectional configuration is selected so that the initially circular cross section of the section 120 of the at least one coextrusion channel 12 is gradually converted into a rectangular cross section, so that the melt guided in the coextrusion channels 12 undergoes such a change in cross section.
  • the partial sections 120 of the respective coextrusion channels 12 formed between the outer surface 131 of the coextrusion bolt 13 and the wall of the receiving bore 100 enter the central channel 11, exactly at the point at which the thermoplastic guided via the channel bore 130 in the coextrusion bolt 13 Material leaves the channel bore 130 in the direction of the outlet opening 111 of the central channel, so that the guided over the sections 120 thermoplastic materials on both sides outside of the thermoplastic material from the channel bore 130 are placed.
  • a three-layer composite is produced, which passes together via the outlet opening 111 in the melt channel 40 in the tool connection part 4 and is fed from there to the tool, not shown here.
  • the guided in the channel bore 130 thermoplastic material forms the inner layer and the two in the coextrusion channels 12 and 120 guided thermoplastic materials each cover or outer layers of the multilayer composite.
  • the representation according to FIG. 1 also shows that, to influence the flow cross-section and thus the thickness profile, the adjusting elements which are supplied via the coextrusion channels 12 and 120, respectively, are adjusting means in the form of the bolts 14 partially penetrating the co-extrusion channel 12 in the section 120 have a corresponding according to the production order and the rheology of thermoplastic materials used corresponding outer contour and serve as a throttle point. These can also be rotated from the outside about their own axis in order to obtain a certain adjustment margin. It can be seen from FIGS. 7a and 7b that the essentially cylindrical pin 14 has a region 140 which projects back over a partial circumference and over which the corresponding thermoplastic material flows in the coextrusion channel 12. Depending on the rotational position or orientation of the region 140, different flow cross sections are thus obtained.
  • the bolt 14 which can be seen in FIG. 8 and which can be used instead of the bolt 14 of FIGS. 7a and 7b, it is possible to completely close a coextrusion channel 12, so that the number of layers in the housing 10.1 is correspondingly reduced, e.g. from three to two layers.
  • the bolt 4 according to FIG. 8 has a continuously cylindrical cross-section and fills the associated receiving bore in the housing 10. 1 completely.
  • coextrusion bolt 3 As shown in FIGS. 1 and 2, and against another coextrusion bolt 13 with an adapted cross-sectional configuration in the region of the channel bore 130 and / or External surface 131 to exchange, for which the coextrusion 13 is easily accessible from the outside 1 of the coextrusion adapter, see Figure 3.
  • coextrusion bolts 13 are mechanically simple to manufacture and can be exchanged within a short changeover time in the coextrusion adapter 1.
  • FIGS. 4 to 6 show an embodiment of the coextrusion adapter which is modified compared with the preceding exemplary embodiment according to FIGS. 1 to 3 and is characterized by a larger number of the layers to be processed.
  • a receiving bore 100.1 or 100.2 is respectively provided, in which a corresponding coextrusion 13.1, 13.2 is used according to the preceding explanations.
  • the first housing 10.1 viewed in the flow direction has, in addition to the central channel 11 and the two coextrusion channels 12.1, coextrusion channels 12.2 which do not yet open into the central channel 11 within the housing 10.1, but in the downstream housing 10.2. are continued and placed there along the outer circumference of the co-extrusion bolt 13.2 used as outermost layers on the guided in the central channel 11 layer sequence.
  • This guidance of the coextrusion channels 12.2 is the only structural difference from the housing 10.2.
  • an initially three-layer composite formed from the melt channels 30, 20 brought inner layer and the two externally applied layers from the coextrusion channels 12.1 enters the central channel 11 of the second housing 10.2 from the first housing 10.1 from the outlet opening and is there through the channel bore 130 of the local Koextrusionsbolzens 13.2 passed together, on the other hand via the coextrusion channels 12.2 two further and then used as the outermost or outer layers outer layers on the thus guided in the coextrusion channel 130 three-layer precoat be applied.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un dispositif pour fabriquer des composites multicouches à base de matériaux thermoplastiques, comprenant un adaptateur de co-extrusion (1) pouvant être traversé par les matériaux thermoplastiques avec une ouverture d'entrée (110) et une ouverture de sortie (111), dans lequel les matériaux thermoplastiques sont regroupés par couches, l'adaptateur de co-extrusion (1) présentant une structure modulaire à base de plusieurs boîtiers ((10.1, 10.2) empilés les uns sur les autres de façon modulaire et comprenant chacun un canal central (11) disposé dans le boîtier (10.1, 10.2) et au moins un canal de co-extrusion (12) débouchant dans le canal central (11) respectif, les canaux centraux (11) des boîtiers (10.1, 10.2) empilés les uns sur les autres se prolongeant et le canal central (11) et les canaux de co-extrusion (12) pouvant être traversés en direction de l'ouverture de sortie (111) par les matériaux thermoplastiques et chaque boîtier (10.1, 10.2) présentant également un perçage de logement (100) traversant le canal central (11), dans lequel un boulon de co-extrusion (13) peut être inséré, lequel présente pour sa part un perçage de canal (130) prolongeant le canal central (11) et forme par endroits entre sa surface extérieure (131) et la paroi du perçage de logement (100) un tronçon du au moins un canal d'extrusion (12).
PCT/EP2010/007492 2009-12-10 2010-12-09 Adaptateur de co-extrusion WO2011069661A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP10788259A EP2509766A1 (fr) 2009-12-10 2010-12-09 Adaptateur de co-extrusion
CA2782795A CA2782795C (fr) 2009-12-10 2010-12-09 Adaptateur de co-extrusion
CN2010800558338A CN102652054A (zh) 2009-12-10 2010-12-09 共挤出适配器
US13/514,253 US20120321733A1 (en) 2009-12-10 2010-12-09 Coextrusion adapter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP09015280A EP2332714A1 (fr) 2009-12-10 2009-12-10 Adaptateur de coextrusion
EP09015280.2 2009-12-10

Publications (1)

Publication Number Publication Date
WO2011069661A1 true WO2011069661A1 (fr) 2011-06-16

Family

ID=41510532

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/007492 WO2011069661A1 (fr) 2009-12-10 2010-12-09 Adaptateur de co-extrusion

Country Status (5)

Country Link
US (1) US20120321733A1 (fr)
EP (2) EP2332714A1 (fr)
CN (1) CN102652054A (fr)
CA (1) CA2782795C (fr)
WO (1) WO2011069661A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012173327A1 (fr) * 2011-06-17 2012-12-20 Lg Hausys, Ltd. Profil de fenêtre pourvu d'une couche mince comprenant de la fibre de bois
WO2012173328A1 (fr) * 2011-06-17 2012-12-20 Lg Hausys, Ltd. Co-extrudeuse auxiliaire pour profil de fenêtre et appareil de fabrication de profil équipé d'une telle co-extrudeuse
RU2557622C1 (ru) * 2011-06-17 2015-07-27 ЭлДжи ХАУСИС, ЛТД. Установка для изготовления оконного профиля при помощи вспомогательного экструдирования

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
FR2991905B1 (fr) * 2012-06-18 2014-07-11 Blaise Francois Figuereo Dispositif de fabrication d'un barreau composite therapeutique
DE102014014511B4 (de) 2014-10-06 2023-10-19 Reifenhäuser GmbH & Co. KG Maschinenfabrik Coextrusionsvorrichtung, Einschichtextrusionsvorrichtung und Nachrüstkit sowie Verfahren zum Messen einer Schichtdicke, zum Herstellen einer Kunststofffolie und zum Nachrüsten einer Extrusionsvorrichtung
DE202016001455U1 (de) * 2016-03-04 2017-06-08 Gala Industries, Inc. Schmelzeführender Verbindungsadapter
EP3216583B1 (fr) * 2016-03-11 2021-04-28 Reifenhäuser GmbH & Co. KG Maschinenfabrik Adaptateur de coextrusion
CN114454455A (zh) * 2022-02-14 2022-05-10 江西华缆科技有限公司 一种电缆三层供给成型设备

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DE3741793A1 (de) 1987-12-10 1989-07-20 Reifenhaeuser Masch Vorrichtung zum kontinuierlichen strangpressen einer mehrschichtigen kunststoffbahn
US5147195A (en) * 1991-06-13 1992-09-15 The Cloeren Company Extrusion apparatus with adjustable flow-restricting member
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EP1621320A1 (fr) 2004-07-27 2006-02-01 Reifenhäuser GmbH & Co. Maschinenfabrik Dispositif d'alimentation pour co-extrusion

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JPS61241121A (ja) 1985-04-18 1986-10-27 Mitsubishi Heavy Ind Ltd 押出成形用複合アダプタ
JPH0673899B2 (ja) * 1985-04-18 1994-09-21 三菱重工業株式会社 押出成形用複合アダプタ
JPS6313730A (ja) * 1986-07-04 1988-01-21 Mitsubishi Heavy Ind Ltd 押出成形用複合アダプタ
US4789513A (en) * 1987-06-05 1988-12-06 P.C.E. Corp. Coextrusion apparatus and process
DE3741793A1 (de) 1987-12-10 1989-07-20 Reifenhaeuser Masch Vorrichtung zum kontinuierlichen strangpressen einer mehrschichtigen kunststoffbahn
US5147195A (en) * 1991-06-13 1992-09-15 The Cloeren Company Extrusion apparatus with adjustable flow-restricting member
US5324187A (en) * 1991-06-28 1994-06-28 Cook Warren R Co-extrusion apparatus
JPH05345347A (ja) * 1992-06-16 1993-12-27 Hitachi Zosen Sangyo Kk シートまたはフィルムの押出成形装置
DE19757827A1 (de) 1997-12-05 1999-06-17 Kuhne Gmbh Mehrschichtadapter für eine Extrusionsvorrichtung
EP1621320A1 (fr) 2004-07-27 2006-02-01 Reifenhäuser GmbH & Co. Maschinenfabrik Dispositif d'alimentation pour co-extrusion

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See also references of EP2509766A1

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012173327A1 (fr) * 2011-06-17 2012-12-20 Lg Hausys, Ltd. Profil de fenêtre pourvu d'une couche mince comprenant de la fibre de bois
WO2012173328A1 (fr) * 2011-06-17 2012-12-20 Lg Hausys, Ltd. Co-extrudeuse auxiliaire pour profil de fenêtre et appareil de fabrication de profil équipé d'une telle co-extrudeuse
KR101379544B1 (ko) * 2011-06-17 2014-03-28 (주)엘지하우시스 목분을 함유한 스킨층을 갖는 창호용 프로파일
KR101461266B1 (ko) * 2011-06-17 2014-11-12 (주)엘지하우시스 창호용 프로파일의 공압출용 보조압출기 및 이를 포함하는 프로파일 제조장치
RU2557622C1 (ru) * 2011-06-17 2015-07-27 ЭлДжи ХАУСИС, ЛТД. Установка для изготовления оконного профиля при помощи вспомогательного экструдирования
DE112012002505B4 (de) 2011-06-17 2024-02-08 Lg Hausys, Ltd. Vorrichtung zum Herstellen eines Fensterprofils

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CA2782795C (fr) 2014-11-25
CN102652054A (zh) 2012-08-29
EP2332714A1 (fr) 2011-06-15
EP2509766A1 (fr) 2012-10-17
US20120321733A1 (en) 2012-12-20

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