WO2014191418A1 - Procédé et appareil destiné au moussage simultané et continu de deux panneaux ou plus - Google Patents

Procédé et appareil destiné au moussage simultané et continu de deux panneaux ou plus Download PDF

Info

Publication number
WO2014191418A1
WO2014191418A1 PCT/EP2014/060971 EP2014060971W WO2014191418A1 WO 2014191418 A1 WO2014191418 A1 WO 2014191418A1 EP 2014060971 W EP2014060971 W EP 2014060971W WO 2014191418 A1 WO2014191418 A1 WO 2014191418A1
Authority
WO
WIPO (PCT)
Prior art keywords
web material
horizontal
pair
along
polyurethane
Prior art date
Application number
PCT/EP2014/060971
Other languages
English (en)
Inventor
Marco VOLPATO
Maurizio Corti
Original Assignee
Afros S.P.A.
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 Afros S.P.A. filed Critical Afros S.P.A.
Publication of WO2014191418A1 publication Critical patent/WO2014191418A1/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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/24—Making multilayered articles
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/30—Expanding the moulding material between endless belts or rollers
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/328—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the foamable components being mixed in the nip between the preformed parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/10—Building elements, e.g. bricks, blocks, tiles, panels, posts, beams

Definitions

  • the present invention relates to a method and apparatus for simultaneous and continuous foaming of two or more panels, each panel being of the type comprising a pair of external layers of web material between which an intermediate layer of insulating expanded polyurethane or phenolic material is interposed.
  • these panels are used in numerous fields of application, for example for making thermal insulation in both civil and industrial building, for devising exterior insulation and finishing systems, for heat-insulating roofs or covers, for producing internal partition walls of buildings, for cladding attics, for manufacturing refrigerating cells, insulated doors, refrigerator counters and other applications.
  • a known apparatus for producing a continuous single panel comprises a lower horizontal conveyor and an upper horizontal conveyor, that are spaced apart from one another to bound a foaming area that extends horizontally along a horizontal advance direction and has width and thickness dimensions corresponding to those of the panel to be obtained.
  • the upper and lower conveyors each comprise a belt element that can be continuous or consist of adjacent conveyor tiles and meshes wound around a respective pair of driving rollers placed at the ends, rotating around respective horizontal axes.
  • the upper and lower belt conveyor elements slide along respective horizontal guides by means of which they counteract the pressure of the foam and maintain in position the respective layers of laminated web materials that form the external surfaces of the panels, thus, in the foaming area, they define respectively an upper surface and a lower surface facing one another that lie on respective horizontal planes.
  • a first continuous web material for example made of paper or plastics or metal, that is intended for defining an external face or layer of the panel, is unwound continuously from a respective reel and, is restingly placed on the upper surface of the lower conveyor belt, is made to advance together with the latter along the advance direction.
  • a second continuous web material for example made of paper or plastics or metal, intended for defining the other external face or layer of the panel, is unwound from a further respective reel continuously and, restingly placed on the lower surface of the upper conveyor belt, is made to advance with the latter along the advance direction.
  • a dispensing distributor is provided that dispenses onto the first web material a layer of polyurethane or phenolic mixture that progressively expands freely until the resulting polyurethane or phenolic foam comes into contact with and sticks to the second upper web material that moves parallel to and at the same speed as the underlying and spaced first web material.
  • a single continuous semifinished product is thus progressively obtained that lies on a horizontal plane. In other words, the single semifinished product that is obtained has prevalent width and length dimensions according to a horizontal plane.
  • the expanding polyurethane or phenolic mixture is contained laterally by folding upwards the two opposite edges of the first continuous web material made of paper or plastic or another flexible material; the aforesaid two opposite edges are held in the folded position or oriented upwards by lateral pad or strip elements fixed to the lower tiles.
  • lateral containment is obtained by webs of plastics unwound from lateral reels held in shape by side straps or chains that support interchangeable plastics templates and act as web containing and shaping members.
  • the polyurethane and phenolic foam is poured onto the lower web, where it expands until it sticks to the upper and lower web materials and is left to polymerise and, subsequently, the continuous semifinished product obtained is cut to obtain one at a time the single distinct panels having a required length.
  • the single panels that are thus obtained are, one at a time, removed, and rotated so as to reach a vertical lying position and are arranged on a suitable rack support, alongside one another, but spaced apart, to permit the cooling and the complete shape stabilisation thereof.
  • the object of the present invention is to improve the methods and apparatuses for the continuous production of panels, in particular for foaming panels of composite type, i.e. comprising pairs of external layers of web material between which intermediate layers of polyurethane or expanded phenolic material are interposed.
  • an object of the invention is to provide a method and apparatus that enables the continuous production of panels to be made more productive by accelerating and simplifying, in particular a method and apparatus that enable dispensing, formation and the treatment of panels to be simplified at the end of the foaming operation.
  • the term "foaming station” will mean a station for multiple dispensing of a mixture of reagent resin and reference will be made both to the entrance zone into which the liquid polyurethane or phenolic mixture is poured and to the subsequent foam conveying and forming zone.
  • a method for simultaneous and continuous foaming of two or more panels each panel being provided with a pair of external layers of web material between which an intermediate layer of expanded polyurethane or phenolic material is interposed, characterised in that it comprises the steps of:
  • advancing along a horizontal advance direction through a foaming station a plurality of pairs of continuous web material arranged above and facing one another, each pair comprising an upper web material and a lower web material facing one another, that are precursors of respective external layers, mutually parallel and spaced apart so as to define opposite surfaces of a respective panel of said two or more panels;
  • partition wall means comprising opposite upper and lower guiding and resting surfaces for respectively restingly receiving and guiding on one side the lower web material of a pair and on the other side the upper web material of a further pair of web materials, contrasting and distributing the thrust exerted by the expanding foam.
  • an apparatus for simultaneous and continuous foaming of two or more panels, each panel being provided with a pair of external layers of web material between which an intermediate layer in expanded polyurethane or phenolic material is interposed, characterised in that it comprises:
  • - supply means for supplying, in said station and along a horizontal advance direction, pairs of continuous web material arranged above and facing one another, each pair comprising two web materials that are precursors of respective external layers of a respective panel, wherein the supply means is configured for arranging inside said station the two web materials of each pair along respective horizontal planes and in a mutually spaced-apart manner so as to define opposite surfaces of a respective panel;
  • each dispensing device being positioned for dispensing the respective flow in a zone interposed between upper web material and the lower web material of the respective pair,
  • - horizontal partition wall means to contrast and distribute amongst the superimposed panels the thrusts exerted by the expanding foam and comprising opposite upper and lower guiding and resting surfaces for respectively restingly receiving on one side the lower web material of a pair and on the other side the upper web material of a further pair of web materials and for transmitting the thrust of the expanding foam from the upper web material of a first panel to the lower web material of a second panel placed higher and vice versa.
  • Figure 1 is a schematic view of a first apparatus embodiment according to the invention for simultaneous continuous production of three panels, wherein two partition wall elements are visible that are interposed between two conveying devices;
  • FIG. 2 is a fragmentary cross section of the apparatus in Figure 1;
  • Figure 2A is an enlarged detail of Figure 2, wherein the web materials, the intermediate layers in expanded polyurethane or phenolic material, and a dividing partition are visible;
  • Figure 3 is a perspective view of an apparatus embodiment according to the invention, provided with a dividing partition, for simultaneous continuous production of two panels;
  • Figure 4 is a cross section of the apparatus in Figure 3 in which the two produced panels are visible;
  • Figure 5 is a perspective view of another apparatus embodiment according to the invention for simultaneous continuous production of two panels, each of which comprises an outer layer defined by a respective corrugated sheet;
  • Figure 6 is a cross section of the apparatus in Figure 5 in which the two panels with produced corrugated layers are visible;
  • Figure 7 shows in a cross section the simultaneous production of two parallel horizontal panels, one of which comprising one external corrugated layer
  • Figures 8 and 9 show in a cross section two different modes, and respective apparatus embodiments, per the simultaneous production of two parallel horizontal panels that are both provided with one external corrugated layer;
  • Figure 10 is a cross section of an apparatus embodiment provided with a plurality of stationary dispensing devices and extending substantially over the entire width of the web materials;
  • Figure 11 is a cross section of a further apparatus embodiment provided with a plurality of dispensing devices that are movable horizontally and transversely to the advance direction of the web materials;
  • Figure 12 is a fragmentary and schematic top view of a supporting and driving device of the partition wall elements
  • Figure 13 is a schematic cross section taken along the plane XIII-XIII in Figure
  • an apparatus 1 for simultaneous and continuous foaming of two or more panels 2 each panel being of the type comprising a pair of external layers 3 of web material between which there is interposed an intermediate layer 4 of insulating expanded polyurethane or phenolic material.
  • the intermediate layer 4 is obtained by pouring and subsequent expansion, (for the sake of simplicity the term "foaming" will be used) of a polyurethane mixture, obtained from a polyol and an isocyanate or phenol obtained from a mixture of phenol resin and acid.
  • the components of the mixture can contain other ingredients such as, catalysts, expanding agents, fireproof substances, reinforcing fibres and/or powders or other things.
  • the web materials that define the external layers 3 of the panels 2 can comprise paper, plastics, flat or corrugated metal sheets, or, more in general, profiled sections in a desired manner, fabric, wood or wooden derivatives, composite laminates, etc.
  • the panels obtained by the apparatus and the method according to the invention can be applied in many different fields; for example, these panels can be used for achieving a thermal insulation in both civil and industrial buildings, for devising exterior insulation and finishing systems, for making heat-insulating roofs or covers, for constructing internal partition walls of buildings, for cladding attics, for the manufacture of refrigerator cells, insulated doors, refrigerated counters and still others.
  • Figures 1, 2 and 2A refer to a first embodiment of the apparatus 1 for the simultaneous production of three distinct parallel continuous panels 2.
  • the apparatus 1 comprises a foaming station 6 and supply means (not shown) for supplying, in the aforesaid station and along the horizontal advance direction A, pairs of continuous web material arranged mutually alongside, in which each of said pairs comprises two web materials 7 that are precursors of respective external layers 3 for a respective panel 2.
  • the foaming station 6, which is deemed, for the sake of simplicity, to comprise both the entrance zone in which the liquid polyurethane or phenolic mixture is poured, and the subsequent foam conveying and forming zone, is not shown to facilitate the representation of the apparatus.
  • the supply means is configured in such a manner as to arrange and maintain through tension the two web materials 7 of each pair along respective horizontal planes 01, 0 2, 03, 04, 05, 06 inside the foaming station 6, spaced apart from one another so as to define opposite surfaces for the respective panel to be obtained.
  • the apparatus 1 comprises a pair of upper and lower conveying devices 5, that are mutually parallel, that are movable along a horizontal advance direction A and are arranged respectively above and below the aforesaid foaming station 6.
  • the conveying devices 5 comprise conveyor belt elements 8 that can include each one continuous element, or distinct elements that are mutually connected and articulated, of the roller shutter or tile type, wound around driving rollers or toothed wheels 9 rotatable around horizontal rotation axes B and slidably by ball bearings on horizontal guides for guiding, supporting and contrasting the forces exerted by the pressure of the expanding foam.
  • the conveyor belt elements 8 of the upper conveying device 5 define an upper horizontal guiding and resting surface 10, lying according to a horizontal plane, suitable for restingly receiving a respective upper web material 3s' placed higher up.
  • the conveyor belt elements 8 of the lower conveying device 5 define a lower horizontal guiding and resting surface 30, lying according to a horizontal plane, suitable for restingly receiving a respective lower web material 3i' placed lower down.
  • the horizontal guiding and resting surfaces 10, 30, restingly receiving the web materials also contrast the thrust of the expanding polyurethane or phenolic mixture acting on the web materials.
  • the apparatus 1 comprises a plurality of dispensing devices 11A or 1 IB arranged for dispensing respective flows of polyurethane or phenolic mixture for respective pairs of web materials. Each dispensing device is positioned to dispense the respective flow to a zone interposed between the upper web material 3s, 3s' and the lower web material 3i, 3i' of the respective pair.
  • the dispensing devices 11A are stationary and each of them extends, transversely to the advance direction A, substantially over the entire width of the web materials 10.
  • the dispensing devices 11A are each provided with a plurality of dispensing nozzles or dispensing holes distributed uniformly along the entire length.
  • Figure 11 shows by way of non-limiting example a plurality of dispensing devices 11B, each of which is movable and is configured for moving transversely to the advance direction A alternatingly between the opposite lateral edges of each pair of the web materials 3, to distribute the polyurethane or phenolic mixture.
  • the apparatus 1 further comprises horizontal partition wall means 13 to separate two pairs of contiguous web material.
  • the partition wall means 13 comprises opposite upper 14 and lower 15 horizontal guiding and resting surfaces for respectively restingly receiving on one side the lower web material 3i of a pair and on the other side the upper web material 3s of a further pair of web materials.
  • the horizontal partition wall means 13 comprises a number of partition walls that is chosen according to the number of panels 2 that it is desired to produce simultaneously. For example, in the apparatus embodiments specified in figures 1, 2, 10, 11, two mutually parallel and spaced horizontal partition walls 13 are provided.
  • a single horizontal partition wall 13 is provided.
  • the partition wall 13 restingly receives a corrugated sheet above and a web material, for example of paper or plastics, below, for example of paper or plastic.
  • the partition wall means 13 is movable in the horizontal advance direction A at the same speed as the conveying devices 5 and acts as a guide for the web materials and a contrasting and distributing function between the lower and upper panel of the thrusts exerted by the expanding polyurethane or phenolic mixture.
  • each partition wall 13 transmits the thrust of the expanding foam from the upper web material of a first panel to the lower web material of a second panel placed higher up.
  • Each partition wall 13 can be defined by a plurality of separating elements lying horizontally that are supported by horizontal guides and driven by a supporting, inserting and displacing device within the two contiguous webs 3i and 3 s in the foaming zone and a device for disengaging, supporting and displacing the separating elements towards the supporting, inserting and displacing device.
  • the aforesaid separating elements can comprise slat or plate elements having a flat shape, and are movable along a closed loop path lying on a horizontal plane realized by means of the support, displacing, engaging and disengaging devices and the corresponding horizontal supporting guides or joining each element with chain connecting joints and using toothed wheels for moving along a loop path lying on a horizontal plane.
  • FIG. 12 and 13 an apparatus is shown that comprises a single movable partition wall 13, that is thus movable to obtain simultaneously two panels. Nevertheless, similarly to what is disclosed below, it is possible to provide two or more parallel partition walls to obtain three or more panels correspondingly.
  • FIGS 12 and 13 in a schematic, explicative and non- limiting form, a possible embodiment of a supporting and displacing device 16 of the partition walls means 13 is shown.
  • the apparatus 1 is provided with a plurality of separating elements 20 that are supported and driven by a suitable movable unit 17 of the supporting and displacing device 16, and mutually cooperate to generate, along the advance direction A, a partition wall 13 that extends in a substantially continuous manner from an entrance zone to an exit zone of the apparatus 1.
  • the unit 17 of the supporting and displacing device 16, which along a longitudinal side performs a lateral containing action for the expanding resin, comprises a chain or belt or concatenated plate mechanism or other equivalent type that is movable along a closed loop path in a horizontal plane and on which the separating elements 20 are mounted in a cantilevered manner.
  • a stationary guide 40 can be provided that is placed outside the foaming path, which, above all in cases in which the separating elements 20 have a great cantilevered length (depending on the desired width of the panels 2 to be produced), supports the separating elements 20 along a return path portion PR during the transfer from the exit zone to the entrance zone in the multiple dispensing station of the polymeric resin.
  • a second moveable unit 18 is provided, such as a movable belt 18, or chain or belt or concatenated plate mechanism or other equivalent means, that advances parallel and at the same speed as the separating elements 20 and which performs, along the other longitudinal side, an action of lateral containment of the progressively expanding polymeric resin.
  • the movable belt 18 can consist of flat concatenated elements, lying on vertical planes, along which, in one embodiment, a longitudinal groove can be obtained that receives the free ends of the separating elements 20 to guide the separating elements and ensure correct positioning thereof.
  • the horizontal partition wall means 13 can comprise a plurality of modules that are independent and not mutually connected, i.e. distinct from one another, for example plate-shaped modules, each having the extent of two or more of the separating elements 20 that were disclosed previously.
  • the modules are configured for being translated, from one exit position from the foaming station to a re-entry position in the foaming station, by means of suitable alternating motion translator-devices along suitable guides or lateral rails included in the supporting and displacing device 16.
  • the translator-devices are drivable to make the aforesaid modules advance along the lateral guides first along a path inside the foaming station in the advancing direction of the web materials, and subsequently along a return path, outside the foaming station, to be conveyed again upstream towards the entrance in the foaming station.
  • the partition wall means 13 comprises one or more groups of baffle elements 28 suitable for being interposed between pairs of adjacent horizontal corrugated metal sheets 7e, each baffle consisting of adjacent modular elements along the longitudinal direction in the advance direction A of the web materials.
  • the baffle elements 28 are in this case interposed in the recess zones of the corrugated profiles, defining pairs of opposite horizontal guiding and resting surfaces for two corrugated sheets 7e that face one another and belong to respective contiguous pairs of web materials.
  • the apparatus 1 in each of the disclosed embodiments, is provided with suitable lateral containment devices for supporting and containing - on the lateral edges of the pairs of web material - the expanding polyurethane or phenolic mixture.
  • Devices for supplying containment strips of flexible material unwound progressively from rolls and folded to adopt a substantially "U" section for lateral containment of the polyurethane or phenolic mixture along the lateral edges of the pairs of web material 3, 3i, 3s, 3i', 3s', 7, 7e.
  • lateral containment strips of flexible material such as paper or another suitable material are made to advance.
  • Such lateral containment strips are each unwound progressively from a respective roll and advanced along planes that are lateral and orthogonal to the planes of the sheet materials.
  • the edges of each strip are folded on the respective web materials so as to adopt a horizontal lying position and a substantially "U"-shaped or "C”-shaped cross section so as to perform the lateral containment function of the polyurethane or phenolic mixture.
  • each of the lower webs can be folded so as to form also the web section that performs the lateral containment.
  • one of the conveying devices 5 or both the conveying devices 5 comprise shaped horizontal guiding and resting surfaces (that can be made, in one embodiment, also by links fixed to the single elements of the respective web) to couple with a corrugated sheet 7e or other corrugated material or for impressing on a web material, such as paper or a plastics film, a corrugated profile.
  • one or both the conveying devices 5 can comprise a plurality of shaped modules that are applied, adjacent to one another, for example magnetically or with other systems, on the belt conveyor 8.
  • depression generating means or means for generating a certain vacuum degree can be coupled to maintain the pairs of continuous web material 3, 3i, 3s, 3i', 3s', 7, 7e adhering to the respective horizontal guiding and resting surfaces.
  • a kiln can be further provided, placed along a return upstream of the entrance into the foaming station 6, to preheat the horizontal separating partition wall means 13 and/or the upper and lower conveying devices 5.
  • any of the apparatus embodiments 1 there is provided for the advancement of the pairs of mutually facing web materials through the foaming station 6 which are arranged according to horizontal lying planes, the simultaneous dispensing of a plurality of distinct jets of polyurethane or phenolic mixture each for a respective pair of web materials and the lateral containment of the expanding polyurethane or phenolic mixture.
  • each web material is maintained in position by a respective resting surface, so as to contrast and distribute the thrusts of the expanding polyurethane or phenolic mixture.
  • the resting surfaces are represented by the belt elements 8 of the conveying devices 5 for the web materials 7 further up and further down respectively, and by the partition wall/s 13.
  • the conveying elements and/or the horizontal separating partition walls once the function of keeping the panels separate has terminated, return to the upstream zone of the apparatus to intervene again with the polyurethane or phenolic mixture that is poured continuously.
  • the conveying elements and/or the horizontal separating partition walls are preheated through a suitable kiln located along the return journey. In this manner, the conveying elements and/or the preheated separating elements contribute to a correct foaming process.
  • the two or more continuous panels can be cut in the desired manner and are already grouped, placed alongside, parallel to one other and separated: are thus already ready to undergo a cooling treatment.
  • the invention aims to provide a method and apparatus for simultaneous and continuous foaming of two or more horizontal panels that enable the continuous production of panels to be accelerated and simplified, in particular that enable the treatment of the panels at the end of the foaming operation to be facilitated.

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un appareil (1) pour le moussage simultané et continu de deux panneaux (2) ou plus, comprenant : un moyen d'alimentation destiné à alimenter des paires de matériaux en bande continue (7) disposés l'un au-dessus de l'autre et se faisant face réciproquement ; une paire de dispositifs de transport (5) comprenant des surfaces de guidage horizontal et d'appui (10, 30) appropriées pour recevoir et guider respectivement un matériau en bande supérieur (3s') et un matériau en bande inférieur (3i') ; une pluralité de dispositifs distributeurs (11A ; 11B) disposés pour distribuer des écoulements respectifs de mélange de polyuréthane ou phénolique pour les paires respectives de matériaux en bande ; des dispositifs de contention latérale pour la contention du mélange en expansion dans les limites des bords latéraux ; un moyen formant paroi de séparation horizontale (13) comprenant des surfaces de guidage et d'appui opposées supérieure (14) et inférieure (15) pour recevoir respectivement, sur un côté, le matériau en bande inférieur (3i) d'une paire et, sur l'autre côté, le matériau en bande supérieur (3s) d'une autre paire de matériaux en bande et pour transmettre la poussée de la mousse en expansion du matériau en bande supérieur d'un premier panneau au matériau en bande inférieur d'un second panneau placé plus haut et vice-versa.
PCT/EP2014/060971 2013-05-28 2014-05-27 Procédé et appareil destiné au moussage simultané et continu de deux panneaux ou plus WO2014191418A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000866A ITMI20130866A1 (it) 2013-05-28 2013-05-28 Metodo ed apparato per la schiumatura simultanea ed in continuo di due o piu' pannelli
ITMI2013A000866 2013-05-28

Publications (1)

Publication Number Publication Date
WO2014191418A1 true WO2014191418A1 (fr) 2014-12-04

Family

ID=48877370

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/060971 WO2014191418A1 (fr) 2013-05-28 2014-05-27 Procédé et appareil destiné au moussage simultané et continu de deux panneaux ou plus

Country Status (2)

Country Link
IT (1) ITMI20130866A1 (fr)
WO (1) WO2014191418A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1257797A (fr) * 1968-01-05 1971-12-22 Tenneco Chem
DE2050377A1 (en) * 1970-10-14 1972-04-20 Selm Kunststoff Verfahren Foam strip - in continuous form using individual side plates on sprung rollers for sideways closing of the foaming channel
GB2019313A (en) * 1978-01-14 1979-10-31 Cellmico Ltd Improvements in or relating to foam plastics material
DE2945856A1 (de) * 1979-11-14 1981-05-27 Bayer Ag, 5090 Leverkusen Verfahren und anlage zum herstellen von schaumstoffbloecken
DE3603791A1 (de) * 1985-02-15 1986-08-21 Elastogran Maschinenbau GmbH, 2844 Lemförde Vorrichtung zur kontinuierlichen herstellung von kaschierten schaumstoffplatten und -bloecken, insbesondere auf polyurethanbasis

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1257797A (fr) * 1968-01-05 1971-12-22 Tenneco Chem
DE2050377A1 (en) * 1970-10-14 1972-04-20 Selm Kunststoff Verfahren Foam strip - in continuous form using individual side plates on sprung rollers for sideways closing of the foaming channel
GB2019313A (en) * 1978-01-14 1979-10-31 Cellmico Ltd Improvements in or relating to foam plastics material
DE2945856A1 (de) * 1979-11-14 1981-05-27 Bayer Ag, 5090 Leverkusen Verfahren und anlage zum herstellen von schaumstoffbloecken
DE3603791A1 (de) * 1985-02-15 1986-08-21 Elastogran Maschinenbau GmbH, 2844 Lemförde Vorrichtung zur kontinuierlichen herstellung von kaschierten schaumstoffplatten und -bloecken, insbesondere auf polyurethanbasis

Also Published As

Publication number Publication date
ITMI20130866A1 (it) 2014-11-29

Similar Documents

Publication Publication Date Title
US4581186A (en) Method of making foam core building panels in a continuous operation
US4145389A (en) Process for making extruded panel product
US3528126A (en) Continuous production apparatus for hard core foam plates having rigid cover layers particularly on a polyurethane base
US3526556A (en) Apparatus and method for the continuous production of slabs or sheets composed of foamed polymeric material having a cellular core
US7291234B2 (en) Continuous feed system for producing structural insulated panels
EP3085525A1 (fr) Matelas isolant lamellaire et ligne de production pour la fabrication d'un matelas isolant lamellaire
US4051209A (en) Continuous rigid foam panel production
US4602466A (en) Foam building panels
US3887410A (en) Method for fabricating double-skin foam core construction panels
EP2964442B1 (fr) Procédé et appareil pour le moussage simultané et continu de deux ou plus de deux panneaux
EP3166769B1 (fr) Procédé et appareil pour le moussage en continu d'un panneau
HUT74281A (en) Panel and method and apparatus for its construction
WO1998051465A1 (fr) Procede et dispositif de fabrication de mousse structuree
US3035952A (en) Honeycomb structure machine
US4756860A (en) Apparatus for manufacturing insulation panels
US5773117A (en) Deep ribbed sandwich panel and method for its manufacture
RU2363583C2 (ru) Автоматическая машина для изготовления гофрированных листообразных элементов, в частности, для упаковки, теплоизоляции, звукоизоляции и т.п.
WO2014191418A1 (fr) Procédé et appareil destiné au moussage simultané et continu de deux panneaux ou plus
GB2427384A (en) Forming a laminated heat insulating panel
EP0844059A2 (fr) Procédé et appareil de fabrication de produits plastiques en mousse
KR101563920B1 (ko) 벌집 구조체 제조 장치 및 방법
US4381907A (en) Apparatus for manufacturing insulating construction profiles
CN211104651U (zh) 一种用于将连续板体切断并分离的切割分离装置
JPS5924490Y2 (ja) 複合板製造装置
CN204938392U (zh) 片材堆垛设备

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: 14728145

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: 14728145

Country of ref document: EP

Kind code of ref document: A1