EP0892113A1 - Device for laying down a heat sealable paving in sheets - Google Patents

Device for laying down a heat sealable paving in sheets Download PDF

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Publication number
EP0892113A1
EP0892113A1 EP98440152A EP98440152A EP0892113A1 EP 0892113 A1 EP0892113 A1 EP 0892113A1 EP 98440152 A EP98440152 A EP 98440152A EP 98440152 A EP98440152 A EP 98440152A EP 0892113 A1 EP0892113 A1 EP 0892113A1
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EP
European Patent Office
Prior art keywords
support
machine according
strip
application
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98440152A
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German (de)
French (fr)
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EP0892113B1 (en
Inventor
Pierre Etienne Bindschedler
Denis Cartier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soprema Etancheite (societe Par Actions Simplifiee
Soprema SAS
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Soprema SAS
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Publication of EP0892113A1 publication Critical patent/EP0892113A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/03—Arrangements for curing paving; Devices for applying curing means; Devices for laying prefabricated underlay, e.g. sheets, membranes; Protecting paving under construction or while curing, e.g. use of tents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1702—For plural parts or plural areas of single part
    • Y10T156/1712—Indefinite or running length work
    • Y10T156/1715—Means joining indefinite length work edge to edge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1788—Work traversing type and/or means applying work to wall or static structure

Definitions

  • the present invention relates to the field of building, engineering civil and public works, especially the coating of large surfaces by means of strips of waterproof, insulating and / or protective material, and a for object a mobile machine for laying a heat-sealable covering in strip, preferably self-propelled.
  • These machines known in particular from documents FR-A-2 689 151 and FR-A-2 718 164, more particularly include a heating cylinder enclosing a heated oil bath, the coating strip circulating on this cylinder with its heat-sealable face in intimate contact with the surface of this last immediately before its application on the support to be covered.
  • oil-bath heated cylinder machines require complex fluid circulation and heating circuits and bulky which cannot be used to heat the support before the application and requires the provision of an additional type of heating means to carry out, if necessary, this preparation of the support.
  • the object of the present invention is in particular to alleviate at least some of the aforementioned drawbacks.
  • the invention relates to a machine for installing a heat-sealable strip coating, preferably self-propelled, comprising a mobile support frame provided with support, unwinding and applying at least one rolled up coating strip, characterized in that it includes at least one hot air production unit extended by a ejection nozzle with a slot-like outlet opening with extension transverse and whose output flow is directed towards the heat-sealable underside of the strip coating immediately before its application on the substrate to cover.
  • the machine self-propelled 1 for laying a heat-sealable strip coating 2 includes a mobile support frame 3 provided with support means 4, unwinding 5 and application 6, 9 of at least one strip 2 of wound coating.
  • This machine 1 may include motorization means and supply of electrical energy to power the various organs actuation and drive and be provided with a control console and / or remote control means (not shown in Figure 1).
  • Said machine 1 may also include a reservoir for strip coating rollers 2 and a strip joining station 2 successive between them (not shown).
  • said machine 1 further comprises at minus a hot air production unit 7 extended by an ejection nozzle 8 provided with an outlet opening 8 'in the form of a slit with transverse extension and whose output flow is directed towards the heat-sealable underside 2 'of the coating in strip 2 immediately before its application on the support 2 '' to be covered.
  • This heating mode while not requiring installations complex and without any risk of manipulation, authorizes a contribution significant direct caloric, without charring or physical contact, as well as flexible and instantaneous control of the heat applied.
  • the ejection nozzle 8 of each unit 7 of hot air production is substantially in the form of a transverse profiled wedge, the outlet opening 8 'can be positioned at an adjustable distance from the surface of an applicator roller 9 on which the strip coating 2 flows, with its visible 2 'heat-sealable underside, immediately before application on the 2 '' support.
  • This particular shape of the ejection nozzle 8 makes it possible to channel the air flow and conform it for ejection through the outlet slot 8 'of so as to achieve a directional and homogeneous jet of hot air.
  • the adjustment in position of the nozzle 8 allows adaptation to coverings with a binder layer on the underside 2 ′ more or less thick, the opening distance 8 '/ underside 2' depending on the running speed of the strip 2, the thickness of the binder to be heated, the desired degree of heating and heating performance of the hot air production unit 7 concerned.
  • each unit hot air production can advantageously include a chamber 7 'of gas / air and ignition mixture opening into a 7 '' combustion chamber, said mixing and ignition chamber 7 'being supplied with pressurized air in quantity greater than the stoichiometric ratio and containing a burner 10 provided means 11, 11 ′ of gas / air mixture and extended downwards by the nozzle ejection 8 ( Figures 1, 2 and 3).
  • the burner 10 has substantially a fin burner structure, formed of a conduit extending partially in the mixing and ignition or ignition chamber 7 ', in direction of the combustion chamber 7 '', supplied with a gas / air mixture by its end connected to a supply sleeve 12 and provided, at its opposite free end directed towards the combustion chamber 7 '', of several radial penetrations 13 and at least one crown 11, 11 ′ formed of fins 11 '' inclined radials.
  • the radial perforations 13 are distributed uniformly over the circular circumference of the duct in one or more rows, this or these being located between an upper fin ring 11 'and a lower fin ring 11.
  • the latter may for example have about 30 to 40 perforations 13, of about 3 mm diameter each and distributed over two circular rows.
  • the upper fin ring 11 ′ is intended to promote the gas / air mixture by creating turbulence in the air flow injected into the chamber 7 'of mixing and ignition and flowing around the duct forming the burner body 10.
  • the lower fin ring 11 has the function of push up at least part of the injected air into the annular zone into which the perforations open 13.
  • the fins 11 '' of the upper crown 11 'and those of the lower crown 11 are respectively aligned between them two to two and have angles of inclination ⁇ , relative to the axis of the duct, mutually opposite and between about 25 ° and about 75 °, preferably between 30 ° and 60 °, the ratio of the lengths of said fins 11 '' upper and lower being between about 3 and 5.
  • the mixing and ignition chamber 7 ′ has a cylindrical structure, the outside diameter of the lower fin ring 11 being substantially identical to or slightly less than the inside diameter of said chamber 7 ′, which results in maximum delivery of injected air and mixing and mixing vigorous of the latter with the gas ejected at the perforations 13 (by example of methane or propane, stored in liquid form in tanks correspondents carried by the machine 1).
  • the 7 'mixing and ignition strip is also provided, as as shown in Figures 3, an igniter 10 'and a flame detector 10' '.
  • each set of means 4, 5, 6, 9 for supporting, unwinding and applying a wrapped covering strip 2 is preceded by at least one hot air production unit 7 extended by a ejection nozzle 8, the flow of which is directed onto the support 2 '' to be covered.
  • said machine 1 can include, upstream of each set of means 4, 5, 6, 9 for support, procedure and application, a station 14 for depositing a layer of primer on the support 2 ', preceded and followed by a unit 7 for producing hot air extended by an ejection nozzle 8.
  • Unit 7 preceding post 14 in the direction of advancement of the machine 1 will carry out, as indicated previously, a preparation of the support for cover 2 '', while the unit 7 which follows said station 14 makes it possible to dry the layer of primer applied to the 2 '' support before laying the covering.
  • the machine 1 comprising two sets of means 4, 5, 6 and 9, each preceded, if necessary, by at least one unit of production 7 'and a station 14, may, with regard to the constituent elements mentioned above, or present a symmetrical structure with respect to a median plane longitudinal, or have a symmetrical structure with respect to a point of central symmetry.
  • the two parallel alignments of elements 4, 5, 6, 7, 9 and 14 have identical orders of succession and the machine 1 can lay two strips of coating 2, while in the second case said constituent elements 4, 5, 6, 7, 9 and 14 of the two alignments will have a reverse order of succession, allowing said machine 1 to install a covering strip 2 in each of the two possible directions of longitudinal movement for said machine 1.
  • the latter will, of course, include a post for joining the longitudinal edges of two adjacent covering strips 2 on the 2 '' support.
  • the different hot air production units 7 can be supplied by a single blower 15 and be supported by adjustable support arms 16, means for controlling and controlling the air flow, the injection pressure and the gas / air support being provided for each of said units 7.
  • the machine according to the invention is particularly well suited for the installation of strip sealing coatings in the field of civil engineering and public works, but also in the building sector.

Abstract

The machine for placing a thermo-weld strip coating comprises a movable support chassis for unwinding and applying the weld strip. It comprises hot air production units (7) with an ejection nozzle (8) having an outlet (8') in the shape of a transverse slot. The air outlet is directed underneath the thermo-weld strip immediately before its application on the support (2') to cover. The nozzle output slot can be positioned at an adjustable distance from the surface of an applicator roller (9) on which the coating strip runs.

Description

La présente invention concerne le domaine du bâtiment, du génie civil et des travaux publics, plus particulièrement le revêtement de grandes surfaces au moyen de bandes de matériaux étanches, isolants et/ou protecteur, et a pour objet une machine mobile pour la pose d'un revêtement thermosoudable en bande, préférentiellement automotrice.The present invention relates to the field of building, engineering civil and public works, especially the coating of large surfaces by means of strips of waterproof, insulating and / or protective material, and a for object a mobile machine for laying a heat-sealable covering in strip, preferably self-propelled.

On connaít déjà des machines du type précité dans lesquelles les bandes de revêtement thermosoudables sont soumis à des moyens de chauffage indirect avant leur application sur le support à recouvrir.We already know machines of the aforementioned type in which the heat-sealable coating strips are subjected to heating means indirect before their application on the support to be covered.

Ces machines, connues notamment par les documents FR-A-2 689 151 et FR-A-2 718 164, comprennent plus particulièrement un cylindre chauffant renfermant un bain d'huile chauffé, la bande de revêtement circulant sur ce cylindre avec sa face thermosoudable en contact intime avec la surface de ce dernier immédiatement avant son application sur le support à recouvrir.These machines, known in particular from documents FR-A-2 689 151 and FR-A-2 718 164, more particularly include a heating cylinder enclosing a heated oil bath, the coating strip circulating on this cylinder with its heat-sealable face in intimate contact with the surface of this last immediately before its application on the support to be covered.

Toutefois, ces machines présentent de nombreuses limitations parmi lesquelles on peut notamment citer, d'une part, un arasement, un arrachement et/ou une carbonisation du liant de la face thermosoudable du revêtement, d'autre part, un dépôt de liant sur le cylindre chauffant nécessitant des opérations de nettoyage répétées et, enfin, une vitesse de pose limitée, compte tenu du type de chauffage indirect, par contact, utilisé.However, these machines have many limitations among which may in particular be mentioned, on the one hand, a leveling, a tearing off and / or carbonization of the binder of the heat-sealable face of the coating, on the other hand, a deposit of binder on the heating cylinder requiring cleaning operations repeated, and finally, a limited laying speed, taking into account the type of heating indirect, by contact, used.

Des inconvénients similaires ont été constatés pour des machines du type précité dans lesquelles le cylindre chauffant intègre un moyen de chauffage à flamme vive, laquelle est, de ce fait, en plus d'une manipulation délicate et risquée.Similar disadvantages have been noted for machines of the aforementioned type in which the heating cylinder incorporates a heating means to living flame, which is, therefore, in addition to delicate handling and risky.

Par ailleurs, les machines à cylindre chauffant à bain d'huile nécessitent des circuits de circulation de fluide et de chauffage complexes et encombrants qui ne peuvent être utilisés pour chauffer le support préalablement à l'application et oblige à prévoir un type de moyens de chauffage supplémentaire pour réaliser, le cas échéant, cette préparation du support.In addition, oil-bath heated cylinder machines require complex fluid circulation and heating circuits and bulky which cannot be used to heat the support before the application and requires the provision of an additional type of heating means to carry out, if necessary, this preparation of the support.

Or, une telle opération de préparation préalable du support constitue un élément favorisant l'adhérence de la bande appliquée.However, such an operation of prior preparation of the support constitutes an element promoting the adhesion of the applied strip.

La présente invention a notamment pour objet de pallier au moins certains des inconvénients précités.The object of the present invention is in particular to alleviate at least some of the aforementioned drawbacks.

A cet effet, l'invention a pour objet une machine pour la pose d'un revêtement thermosoudable en bande, préférentiellement automotrice, comprenant un châssis support mobile muni de moyens de support, de déroulement et d'application d'au moins une bande de revêtement enroulée, caractérisée en ce qu'elle comporte au moins une unité de production d'air chaud prolongée par une buse d'éjection pourvue d'une ouverture de sortie en forme de fente à extension transversale et dont le flux de sortie est dirigé vers la sous-face thermosoudable du revêtement en bande immédiatement avant son application sur le support à recouvrir.To this end, the invention relates to a machine for installing a heat-sealable strip coating, preferably self-propelled, comprising a mobile support frame provided with support, unwinding and applying at least one rolled up coating strip, characterized in that it includes at least one hot air production unit extended by a ejection nozzle with a slot-like outlet opening with extension transverse and whose output flow is directed towards the heat-sealable underside of the strip coating immediately before its application on the substrate to cover.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une vue partielle en élévation latérale d'une machine selon l'invention,
  • les figures 2A et 2B sont respectivement des vues en élévation frontale et en élévation latérale d'une unité de production d'air chaud faisant partie d'une unité de production d'air chaud représentée sur les figures 2A et 2B.
    • The invention will be better understood from the description below, which relates to a preferred embodiment, given by way of nonlimiting example, and explained with reference to the appended schematic drawings, in which:
  • FIG. 1 is a partial view in side elevation of a machine according to the invention,
  • FIGS. 2A and 2B are respectively front and side elevation views of a hot air production unit forming part of a hot air production unit shown in FIGS. 2A and 2B.

    • Comme le montre la figure 1 des dessins annexés, la machine automotrice 1 pour la pose d'un revêtement thermosoudable en bande 2, comprend un châssis support mobile 3 muni de moyens de support 4, de déroulement 5 et d'application 6, 9 d'au moins une bande 2 de revêtement enroulée.As shown in Figure 1 of the accompanying drawings, the machine self-propelled 1 for laying a heat-sealable strip coating 2, includes a mobile support frame 3 provided with support means 4, unwinding 5 and application 6, 9 of at least one strip 2 of wound coating.

    Cette machine 1 pourra comporter des moyens de motorisation et de fourniture d'énergie électrique pour l'alimentation des différents organes d'actionnement et d'entraínement et être pourvue d'une console de commande et/ou de moyens de commande à distance (non représentés sur la figure 1).This machine 1 may include motorization means and supply of electrical energy to power the various organs actuation and drive and be provided with a control console and / or remote control means (not shown in Figure 1).

    Ladite machine 1 pourra également comprendre un réservoir à rouleaux de revêtement en bande 2 et un poste de jonction des bandes 2 successives entre elles (non représentés).Said machine 1 may also include a reservoir for strip coating rollers 2 and a strip joining station 2 successive between them (not shown).

    Conformément à l'invention, ladite machine 1 comporte en outre au moins une unité 7 de production d'air chaud prolongée par une buse d'éjection 8 pourvue d'une ouverture de sortie 8' en forme de fente à extension transversale et dont le flux de sortie est dirigé vers la sous-face thermosoudable 2' du revêtement en bande 2 immédiatement avant son application sur le support 2'' à recouvrir.According to the invention, said machine 1 further comprises at minus a hot air production unit 7 extended by an ejection nozzle 8 provided with an outlet opening 8 'in the form of a slit with transverse extension and whose output flow is directed towards the heat-sealable underside 2 'of the coating in strip 2 immediately before its application on the support 2 '' to be covered.

    Ce mode de chauffage, tout en ne nécessitant pas d'installations complexes et en ne présentant aucun risque de manipulation, autorise un apport calorique direct important, sans carbonisation, ni contact physique, ainsi qu'une commande souple et instantanée de la chaleur appliquée.This heating mode, while not requiring installations complex and without any risk of manipulation, authorizes a contribution significant direct caloric, without charring or physical contact, as well as flexible and instantaneous control of the heat applied.

    Selon une première caractéristique de l'invention, représentée aux figures 1 et 2 des dessins annexés, la buse d'éjection 8 de chaque unité 7 de production d'air chaud est sensiblement en forme de coin profilé transversal, l'ouverture de sortie 8' pouvant être positionnée à une distance réglable de la surface d'un rouleau applicateur 9 sur lequel circule le revêtement en bande 2, avec sa sous-face thermosoudable 2' apparente, immédiatement avant son application sur le support 2''.According to a first characteristic of the invention, shown in Figures 1 and 2 of the accompanying drawings, the ejection nozzle 8 of each unit 7 of hot air production is substantially in the form of a transverse profiled wedge, the outlet opening 8 'can be positioned at an adjustable distance from the surface of an applicator roller 9 on which the strip coating 2 flows, with its visible 2 'heat-sealable underside, immediately before application on the 2 '' support.

    Cette forme particulière de la buse d'éjection 8 permet de canaliser le flux d'air et de le conformer en vue de son éjection par la fente de sortie 8' de manière à aboutir à un jet d'air chaud directionnel et homogène.This particular shape of the ejection nozzle 8 makes it possible to channel the air flow and conform it for ejection through the outlet slot 8 'of so as to achieve a directional and homogeneous jet of hot air.

    En outre, le réglage en position de la buse 8 autorise l'adaptation à des revêtements à couche de liant en sous-face 2' plus ou moins épaisse, la distance ouverture 8' / sous-face 2' dépendant de la vitesse de défilement de la bande 2, de l'épaisseur du liant à réchauffer, du degré de réchauffage souhaité et des performances de chauffage de l'unité de production 7 d'air chaud concernée.In addition, the adjustment in position of the nozzle 8 allows adaptation to coverings with a binder layer on the underside 2 ′ more or less thick, the opening distance 8 '/ underside 2' depending on the running speed of the strip 2, the thickness of the binder to be heated, the desired degree of heating and heating performance of the hot air production unit 7 concerned.

    Il s'est avéré qu'une distance de 0,5 à 5 cm environ, préférentiellement comprise entre 1 et 3 cm, donnait des résultats optimaux.It turned out that a distance of about 0.5 to 5 cm, preferably between 1 and 3 cm, gave optimal results.

    Conformément à un mode de réalisation de l'invention, chaque unité de production d'air chaud peut avantageusement comprendre une chambre 7' de mélange gaz/air et d'ignition débouchant dans une chambre 7'' de combustion, ladite chambre 7' de mélange et d'ignition étant alimentée en air sous pression en quantité supérieure au rapport stoechiométrique et renfermant un brûleur 10 muni de moyens 11, 11' de mélange gaz/air et prolongée vers le bas par la buse d'éjection 8 (figures 1, 2 et 3).In accordance with an embodiment of the invention, each unit hot air production can advantageously include a chamber 7 'of gas / air and ignition mixture opening into a 7 '' combustion chamber, said mixing and ignition chamber 7 'being supplied with pressurized air in quantity greater than the stoichiometric ratio and containing a burner 10 provided means 11, 11 ′ of gas / air mixture and extended downwards by the nozzle ejection 8 (Figures 1, 2 and 3).

    Comme le montrent les figures 3A et 3B, le brûleur 10 présente sensiblement une structure de brûleur à ailettes, formé d'un conduit s'étendant partiellement dans la chambre de mélange et d'ignition ou d'allumage 7', en direction de la chambre de combustion 7'', alimenté avec un mélange gaz/air par son extrémité reliée à un manchon d'alimentation 12 et pourvu, au niveau de son extrémité libre opposée dirigée vers la chambre de combustion 7'', de plusieurs penforations radiales 13 et d'au moins une couronne 11, 11' formée d'ailettes radiales inclinées 11''.As shown in Figures 3A and 3B, the burner 10 has substantially a fin burner structure, formed of a conduit extending partially in the mixing and ignition or ignition chamber 7 ', in direction of the combustion chamber 7 '', supplied with a gas / air mixture by its end connected to a supply sleeve 12 and provided, at its opposite free end directed towards the combustion chamber 7 '', of several radial penetrations 13 and at least one crown 11, 11 ′ formed of fins 11 '' inclined radials.

    Selon une variante de réalisation préférentielle de l'invention, les perforations radiales 13 sont réparties uniformément sur la circonférence circulaire du conduit en une ou plusieurs rangées, cette ou ces dernières étant situé(s) entre une couronne d'ailettes supérieure 11' et une couronne d'ailettes inférieure 11.According to a preferred embodiment variant of the invention, the radial perforations 13 are distributed uniformly over the circular circumference of the duct in one or more rows, this or these being located between an upper fin ring 11 'and a lower fin ring 11.

    Pour un diamètre de conduit de brûleur de l'ordre de 4 cm, ce dernier pourra par exemple présenter environ 30 à 40 perforations 13, d'environ 3 mm de diamètre chacune et réparties sur deux rangées circulaires. For a burner pipe diameter of the order of 4 cm, the latter may for example have about 30 to 40 perforations 13, of about 3 mm diameter each and distributed over two circular rows.

    La couronne d'ailettes supérieure 11' est destinée à favoriser le mélange gaz/air en créant des turbulences dans le flux d'air injecté dans la chambre 7' de mélange et d'ignition et s'écoulant autour du conduit formant le corps du brûleur 10.The upper fin ring 11 ′ is intended to promote the gas / air mixture by creating turbulence in the air flow injected into the chamber 7 'of mixing and ignition and flowing around the duct forming the burner body 10.

    La couronne d'ailettes inférieure 11 a, quant à elle, pour fonction de refouler vers le haut au moins une partie de l'air injecté, dans la zone annulaire dans laquelle débouchent les perforations 13.The lower fin ring 11 has the function of push up at least part of the injected air into the annular zone into which the perforations open 13.

    Selon une caractéristique de l'invention, représentée notamment à la figure 3A des dessins annexés, les ailettes 11'' de la couronne supérieure 11' et celles de la couronne inférieure 11 sont respectivement alignées entre elles deux à deux et présentent des angles d'inclinaison α, par rapport à l'axe du conduit, mutuellement opposés et compris entre environ 25° et environ 75°, préférentiellement entre 30° et 60°, le rapport des longueurs desdites ailettes 11'' supérieures et inférieures étant compris entre environ 3 et 5.According to a characteristic of the invention, shown in particular in the FIG. 3A of the appended drawings, the fins 11 '' of the upper crown 11 'and those of the lower crown 11 are respectively aligned between them two to two and have angles of inclination α, relative to the axis of the duct, mutually opposite and between about 25 ° and about 75 °, preferably between 30 ° and 60 °, the ratio of the lengths of said fins 11 '' upper and lower being between about 3 and 5.

    Comme le montrent également les figures 3A et 3B des dessins annexés, la chambre 7' de mélange et d'ignition présente une structure cylindrique, le diamètre extérieur de la couronne d'ailettes inférieure 11 étant sensiblement identique ou légèrement inférieur au diamètre intérieur de ladite chambre 7', ce qui entraíne un refoulement maximal d'air injecté et un mélange et un brassage vigoureux de ce dernier avec le gaz éjecté au niveau des perforations 13 (par exemple du méthane ou du propane, stocké sous forme liquide dans des réservoirs correspondants portés par la machine 1).As also shown in Figures 3A and 3B of the drawings annexed, the mixing and ignition chamber 7 ′ has a cylindrical structure, the outside diameter of the lower fin ring 11 being substantially identical to or slightly less than the inside diameter of said chamber 7 ′, which results in maximum delivery of injected air and mixing and mixing vigorous of the latter with the gas ejected at the perforations 13 (by example of methane or propane, stored in liquid form in tanks correspondents carried by the machine 1).

    La bande 7' de mélange et d'ignition est également pourvue, comme le montrent les figures 3, d'un allumeur 10' et d'un détecteur de flammes 10''.The 7 'mixing and ignition strip is also provided, as as shown in Figures 3, an igniter 10 'and a flame detector 10' '.

    Afin de permettre une préparation du support 2'' à recouvrir a un nettoyage, un préchauffage et, le cas échéant, un assèchement de ce dernier avant l'application de la bande de revêtement 2, chaque ensemble de moyens 4, 5, 6, 9 de support, de déroulement et d'application d'une bande de revêtement 2 enroulée est précédé d'au moins une unité de production d'air chaud 7 prolongée par une buse d'éjection 8 dont le flux est dirigé sur le support 2'' à recouvrir.In order to allow a preparation of the 2 '' support to be covered has a cleaning, preheating and, if necessary, drying of the latter before applying the covering strip 2, each set of means 4, 5, 6, 9 for supporting, unwinding and applying a wrapped covering strip 2 is preceded by at least one hot air production unit 7 extended by a ejection nozzle 8, the flow of which is directed onto the support 2 '' to be covered.

    Conformément à une caractéristique supplémentaire de l'invention, représentée également à la figure 1 des dessins annexés, ladite machine 1 peut comprendre, en amont de chaque ensemble de moyens 4, 5, 6, 9 de support, de déroulement et d'application, un poste 14 de dépôt d'une couche de primaire sur le support 2', précédé et suivi d'une unité 7 de production d'air chaud prolongée par une buse d'éjection 8. In accordance with an additional characteristic of the invention, also shown in Figure 1 of the accompanying drawings, said machine 1 can include, upstream of each set of means 4, 5, 6, 9 for support, procedure and application, a station 14 for depositing a layer of primer on the support 2 ', preceded and followed by a unit 7 for producing hot air extended by an ejection nozzle 8.

    L'unité 7 précédant le poste 14 dans le sens d'avancement de la machine 1 réalisera, comme indiqué précédemment, une préparation du support à recouvrir 2'', alors que l'unité 7 qui suit ledit poste 14 permet d'assécher la couche de primaire appliquée sur le support 2'' avant la pose du revêtement.Unit 7 preceding post 14 in the direction of advancement of the machine 1 will carry out, as indicated previously, a preparation of the support for cover 2 '', while the unit 7 which follows said station 14 makes it possible to dry the layer of primer applied to the 2 '' support before laying the covering.

    Il convient de noter que la machine 1 comprenant deux ensembles de moyens 4, 5, 6 et 9, précédés chacun, le cas échéant, d'au moins une unité de production 7' et d'un poste 14, pourra, en ce qui concerne les éléments constitutifs précités, soit présenter une structure symétrique par rapport à un plan médian longitudinal, soit présenter une structure symétrique par rapport à un point de symétrie central.It should be noted that the machine 1 comprising two sets of means 4, 5, 6 and 9, each preceded, if necessary, by at least one unit of production 7 'and a station 14, may, with regard to the constituent elements mentioned above, or present a symmetrical structure with respect to a median plane longitudinal, or have a symmetrical structure with respect to a point of central symmetry.

    Dans le premier cas, les deux alignements parallèles d'éléments constitutifs 4, 5, 6, 7, 9 et 14 présentent des ordres de succession identiques et la machine 1 pourra poser simultanément et parallèlement deux bandes de revêtement 2, alors que dans le second cas lesdits éléments constitutifs 4, 5, 6, 7, 9 et 14 des deux alignements présenteront un ordre de succession inversé, permettant à ladite machine 1 de procéder à la pose d'une bande de revêtement 2 dans chacune des deux directions de déplacement longitudinal possibles pour ladite machine 1.In the first case, the two parallel alignments of elements 4, 5, 6, 7, 9 and 14 have identical orders of succession and the machine 1 can lay two strips of coating 2, while in the second case said constituent elements 4, 5, 6, 7, 9 and 14 of the two alignments will have a reverse order of succession, allowing said machine 1 to install a covering strip 2 in each of the two possible directions of longitudinal movement for said machine 1.

    Dans les deux cas, cette dernière comportera, bien entendu, un poste d'assemblage des bords longitudinaux de deux bandes de revêtement 2 adjacentes sur le support 2''.In both cases, the latter will, of course, include a post for joining the longitudinal edges of two adjacent covering strips 2 on the 2 '' support.

    Enfin, comme le montre la figure 1 des dessins annexés, les différentes unités 7 de production d'air chaud peuvent être alimentées par une unique soufflante 15 et être supportées par des bras support 16 réglables, des moyens de commande et de contrôle du débit d'air, de la pression d'injection et du support gaz/air étant prévus pour chacune desdites unités 7.Finally, as shown in Figure 1 of the accompanying drawings, the different hot air production units 7 can be supplied by a single blower 15 and be supported by adjustable support arms 16, means for controlling and controlling the air flow, the injection pressure and the gas / air support being provided for each of said units 7.

    La machine selon l'invention est particulièrement bien adaptée pour la pose de revêtements d'étanchéité en bande dans le domaine du génie civil et des travaux publics, mais également dans le domaine du bâtiment.The machine according to the invention is particularly well suited for the installation of strip sealing coatings in the field of civil engineering and public works, but also in the building sector.

    Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are still possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

    Claims (11)

    Machine pour la pose d'un revêtement thermosoudable en bande, comprenant un châssis support mobile muni de moyens de support, de déroulement et d'application d'au moins une bande de revêtement enroulée, caractérisée en ce qu'elle comporte au moins une unité (7) de production d'air chaud prolongée par une buse d'éjection (8) pourvue d'une ouverture de sortie (8') en forme de fente à extension transversale et dont le flux de sortie est dirigé vers la sous-face thermosoudable (2') du revêtement en bande (2) immédiatement avant son application sur le support (2'') à recouvrir.Machine for laying a heat-sealable strip coating, comprising a mobile support frame provided with support means, unwinding and application of at least one wound covering strip, characterized in that it comprises at least one air production unit (7) hot extended by an ejection nozzle (8) provided with an outlet opening (8 ') in the form of a slit with transverse extension and the outlet flow of which is directed towards the heat-sealable underside (2 ') of the strip covering (2) immediately before its application on the support (2 '') to be covered. Machine selon la revendication 1, caractérisée en ce que la buse d'éjection (8) de chaque unité (7) de production d'air chaud est sensiblement en forme de coin profilé transversal, l'ouverture de sortie (8') pouvant être positionnée à une distance réglable de la surface d'un rouleau applicateur (9) sur lequel circule le revêtement en bande (2), avec sa sous-face thermosoudable (2') apparente, immédiatement avant son application sur le support (2'').Machine according to claim 1, characterized in that the nozzle ejection (8) of each unit (7) for producing hot air is substantially in cross-sectional wedge shape, the outlet opening (8 ') can be positioned at an adjustable distance from the surface of an applicator roller (9) on which circulates the strip coating (2), with its heat-sealable underside (2 ') visible, immediately before its application on the support (2 ''). Machine selon l'une quelconque des revendications 1 et 2, caractérisée en ce que chaque unité de production d'air chaud (7) comprend une chambre (7') de mélange gaz/air et d'ignition débouchant dans une chambre (7'') de combustion, ladite chambre (7') de mélange et d'ignition étant alimentée en air sous pression en quantité supérieure au rapport stoechiométrique et renfermant un brûleur (10) muni de moyens (11, 11') de mélange gaz/air et prolongée vers le bas par la buse d'éjection (8).Machine according to either of Claims 1 and 2, characterized in that each hot air production unit (7) comprises a chamber (7 ') of gas / air and ignition mixture opening into a chamber (7' ') of combustion, said mixing and ignition chamber (7 ') being supplied with air under pressure in an amount greater than the stoichiometric ratio and containing a burner (10) provided with means (11, 11 ') of gas / air mixture and extended downwards by the ejection nozzle (8). Machine selon la revendication 3, caractérisée en ce que le brûleur (10) présente sensiblement une structure de brûleur à ailettes, formé d'un conduit s'étendant partiellement dans la chambre de mélange et d'ignition (7') en direction de la chambre de combustion (7''), alimenté avec un mélange gaz/air par son extrémité reliée à un manchon d'alimentation (12) et pourvu, au niveau de son extrémité libre opposée dirigée vers la chambre de combustion (7''), de plusieurs perforations radiales (13) et d'au moins une couronne (11, 11') formée d'ailettes radiales inclinées (11'').Machine according to claim 3, characterized in that the burner (10) has a substantially finned burner structure, formed of a duct partially extending into the mixing and ignition chamber (7 ') in the direction of the combustion chamber (7 ''), supplied with a gas / air mixture by its end connected to a supply sleeve (12) and provided, at its opposite free end directed towards the combustion chamber (7 ''), of several radial perforations (13) and at least one crown (11, 11 ') formed of fins inclined radials (11 ''). Machine selon la revendication 4, caractérisée en ce que les perforations radiales (13) sont réparties uniformément sur la circonférence circulaire du conduit en une ou plusieurs rangées, cette ou ces dernières étant situé(s) entre une couronne d'ailettes supérieure (11') et une couronne d'ailettes inférieure (11). Machine according to claim 4, characterized in that the radial perforations (13) are distributed uniformly around the circumference circular duct in one or more rows, this or these being located between an upper fin ring (11 ') and a fin ring lower (11). Machine selon la revendication 5, caractérisée en ce que les ailettes (11'') de la couronne supérieure (11') et celles de la couronne inférieure (11) sont respectivement alignées entre elles deux à deux et présentent des angles d'inclinaison (α), par rapport à l'axe du conduit, mutuellement opposés et compris entre environ 25° et environ 75°, préférentiellement entre 30° et 60°, et en ce que le rapport des longueurs desdites ailettes (11'') supérieures et inférieures est compris entre environ 3 et 5.Machine according to claim 5, characterized in that the fins (11 '') of the upper crown (11 ') and those of the lower crown (11) are respectively aligned with each other in pairs and have angles of inclination (α), with respect to the axis of the conduit, mutually opposite and understood between about 25 ° and about 75 °, preferably between 30 ° and 60 °, and in that the ratio of the lengths of said upper and lower fins (11 '') is between approximately 3 and 5. Machine selon l'une quelconque des revendications 4 à 6, caractérisée en ce que la chambre (7') de mélange et d'ignition présente une structure cylindrique, le diamètre extérieur de la couronne d'ailettes inférieure (11) étant sensiblement identique ou légèrement inférieur au diamètre intérieur de ladite chambre (7').Machine according to any one of Claims 4 to 6, characterized in that the mixing and ignition chamber (7 ') has a cylindrical structure, the outside diameter of the lower fin ring (11) being substantially identical to or slightly less than the inside diameter of said chamber (7 '). Machine selon l'une quelconque des revendications 1 à 7, caractérisée en ce qu'elle comporte deux ensembles de moyens (4, 5, 6, 9) de support, de déroulement et d'application d'une bande de revêtement (2) enroulée, disposés côte à côte selon deux alignements parallèles longitudinaux, au moins une unité de production (7) d'air étant associée à chacun desdits ensembles.Machine according to any one of Claims 1 to 7, characterized in that it comprises two sets of means (4, 5, 6, 9) for support, unwinding and application of a wrapped covering strip (2), arranged side by side in two parallel longitudinal alignments, at least an air production unit (7) being associated with each of said assemblies. Machine selon l'une quelconque des revendications 1 à 8, caractérisée en ce que chaque ensemble de moyens (4, 5, 6, 9) de support, de déroulement et d'application d'une bande de revêtement (2) enroulée est précédé d'au moins une unité de production d'air chaud (7) prolongée par une buse d'éjection (8) dont le flux est dirigé sur le support (2'') à recouvrir.Machine according to any one of Claims 1 to 8, characterized in that each set of means (4, 5, 6, 9) for supporting, unwinding and application of a wrapped covering strip (2) is preceded at least one hot air production unit (7) extended by a nozzle ejection (8) whose flow is directed on the support (2 '') to be covered. Machine selon la revendication 9, caractérisée en ce qu'elle comprend, en amont de chaque ensemble de moyens (4, 5, 6, 9) de support, de déroulement et d'application, un poste (14) de dépôt d'une couche de primaire sur le support (2'), précédé et suivi d'une unité (7) de production d'air chaud prolongée par une buse d'éjection (8).Machine according to claim 9, characterized in that it comprises, upstream of each set of means (4, 5, 6, 9) for supporting, procedure and application, a station (14) for depositing a layer of primer on the support (2 '), preceded and followed by an extended hot air production unit (7) by an ejection nozzle (8). Machine selon l'une quelconque des revendications 1 à 10, caractérisée en ce que les différentes unités (7) de production d'air chaud sont alimentées par une unique soufflante (15) et sont supportées par des bras support (16) réglables, des moyens de commande et de contrôle du débit d'air, de la pression d'injection et du support gaz/air étant prévus pour chacune desdites unités (7).Machine according to any one of Claims 1 to 10, characterized in that the various hot air production units (7) are supplied by a single blower (15) and are supported by support arms (16) adjustable, means for controlling and controlling the air flow, the injection pressure and gas / air support being provided for each of said units (7).
    EP98440152A 1997-07-18 1998-07-03 Device for laying down a heat sealable paving in sheets Expired - Lifetime EP0892113B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    FR9709324A FR2766221B1 (en) 1997-07-18 1997-07-18 MACHINE FOR LAYING A HEAT-WELDABLE TAPE COATING
    FR9709324 1997-07-18

    Publications (2)

    Publication Number Publication Date
    EP0892113A1 true EP0892113A1 (en) 1999-01-20
    EP0892113B1 EP0892113B1 (en) 2003-11-12

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98440152A Expired - Lifetime EP0892113B1 (en) 1997-07-18 1998-07-03 Device for laying down a heat sealable paving in sheets

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    US (1) US6155321A (en)
    EP (1) EP0892113B1 (en)
    AT (1) ATE254217T1 (en)
    CA (1) CA2243100C (en)
    DE (1) DE69819612T2 (en)
    DK (1) DK0892113T3 (en)
    ES (1) ES2210693T3 (en)
    FR (1) FR2766221B1 (en)

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    US6554947B2 (en) * 2000-12-18 2003-04-29 Sarnafil, Inc. Method for attaching thermoplastic strips to thermoplastic roof membranes
    US7347244B2 (en) * 2004-08-17 2008-03-25 Pierre Vaillancourt Membrane applicator
    ES2668359T3 (en) 2005-08-04 2018-05-17 Gestion Soprema Canada Inc. Hot air device for heat welding of bituminous membranes
    KR20120004386A (en) * 2011-12-20 2012-01-12 삼성중공업 주식회사 Device and method for bonding of auxiliary secondary barrier for lng storage tank
    EP3028836B1 (en) * 2014-12-04 2017-11-01 Leister Technologies AG Welding machine for connecting of overlapping sheets of material
    CN113355994B (en) * 2021-06-17 2022-07-19 安徽金瑞电子玻纤有限公司 Polyester glass fiber cloth and oil cloth integrated construction device
    CN115450450B (en) * 2022-10-26 2024-04-02 临清市安竣建设有限公司 Water-saving spraying maintenance equipment for concrete building structure

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    Also Published As

    Publication number Publication date
    FR2766221B1 (en) 1999-09-03
    FR2766221A1 (en) 1999-01-22
    DK0892113T3 (en) 2004-03-15
    ATE254217T1 (en) 2003-11-15
    US6155321A (en) 2000-12-05
    CA2243100C (en) 2007-10-30
    ES2210693T3 (en) 2004-07-01
    DE69819612D1 (en) 2003-12-18
    EP0892113B1 (en) 2003-11-12
    CA2243100A1 (en) 1999-01-18
    DE69819612T2 (en) 2004-09-16

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