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EP1064419A1 - Improved temporary surface covering - Google Patents

Improved temporary surface covering

Info

Publication number
EP1064419A1
EP1064419A1 EP99909053A EP99909053A EP1064419A1 EP 1064419 A1 EP1064419 A1 EP 1064419A1 EP 99909053 A EP99909053 A EP 99909053A EP 99909053 A EP99909053 A EP 99909053A EP 1064419 A1 EP1064419 A1 EP 1064419A1
Authority
EP
European Patent Office
Prior art keywords
pockets
warp
structures
coating according
threads
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
EP99909053A
Other languages
German (de)
French (fr)
Other versions
EP1064419B1 (en
Inventor
Georges Paul Deschamps
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.)
Deschamps SARL
Original Assignee
Deschamps SARL
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 Deschamps SARL filed Critical Deschamps SARL
Publication of EP1064419A1 publication Critical patent/EP1064419A1/en
Application granted granted Critical
Publication of EP1064419B1 publication Critical patent/EP1064419B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D03D11/02—Fabrics formed with pockets, tubes, loops, folds, tucks or flaps
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1362—Textile, fabric, cloth, or pile containing [e.g., web, net, woven, knitted, mesh, nonwoven, matted, etc.]
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/18—Longitudinally sectional layer of three or more sections
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3472—Woven fabric including an additional woven fabric layer

Definitions

  • the present invention relates to an improvement to the type of temporary surface coating, in particular for the circulation of vehicles on sandy, muddy or marshy ground, which is the subject of French patent No. 2 71 8 1 58 in the name of the Applicant.
  • the above patent describes a coating characterized in that it consists of a woven structure formed from weft threads of the monofilament type arranged in a single layer and warp threads also arranged in a single layer, the weave of the woven structure being such that each warp thread intersects with the following weft threads, preferably and very approximately, half of the intersections of the rows and columns of the weave, the warp thread being left in the intersections remaining, so, for each warp thread, to obtain at least one area of simple and tight weave followed by a float area, the alternation of the various aforementioned areas causing tightening of the weft threads creating a significant relief fabric thus produced.
  • Document EP 0.61 J.160 discloses a composite covering structure consisting of a woven structure coated on both sides with an elastomer layer. 2
  • pockets capable of receiving flexible or rigid elements, or of being inflated using a pressurized fluid.
  • Such a coating structure is necessarily weakened at the level of the pockets and its physical properties are very appreciably modified and altered due to the loss of the integrity of the structure woven at the locations of the pockets.
  • the present invention specifically aims to overcome the drawbacks of the above coatings.
  • the subject of the invention is a temporary surface coating, in particular for the circulation of vehicles on sandy, muddy or marshy soil, of the type with a woven structure formed of warp and weft threads, the armor of which is such that each warp thread intersects with the following weft threads, preferably and very approximately, half of the intersections of the rows and columns of the weave, the warp thread being left in the remaining intersections, so, for each warp thread, to obtain at least one simple and tight weave area followed by a float area, characterized in that a second auxiliary woven structure is superimposed and comprises a ply of warp threads and a ply of weft yarns, the connection between the two woven structures being carried out during a same simultaneous weaving operation with interweaving of the structures, so as to constitute between the two structures, from place to place ce, tubular pockets oriented along the warp threads or according to the weft threads, said pockets serving as a housing for receiving elements added for various purposes.
  • the pockets thus formed receive at least one elongated stiffening element, for example a bar of composite material a few tens of millimeters in diameter.
  • Such bars in particular when they are inserted into pockets formed transversely to the covering, that is to say parallel to the weft threads, significantly improve the bearing capacity while strengthening the attachment of the surface in contact in particular with the vehicle tires circulating on such a coating.
  • FIG. 1 is a very schematic and partial view of the edge of a complex according to the invention comprising two superimposed woven structures
  • FIG. 2 is a perspective view of a coating according to the invention provided with transverse stiffening elements
  • FIG. 3 is a perspective view of a coating according to the invention provided with longitudinal stiffening elements.
  • FIG. 1 there is shown diagrammatically at 1 the cross section of a woven structure forming a covering, of the type described in French patent No. 2 71 8 1 58.
  • This coating has on its two faces an embossed structure with transverse ribs formed by projections S and recesses C, which give the coating its fastening properties of vehicle tires called to move on this coating.
  • this woven structure 1 is associated, in superposition, a second woven structure symbolized at 2, consisting of a 4
  • the two woven structures 1 and 2 are produced and linked to each other during the same weaving operation during which pockets such as that illustrated at 3 in FIG. 1 are formed, by localized separation of the two woven structures 1 and 2, for example in line with projections S.
  • the two plies of warp threads intended for the two woven structures 1, 2 are unwound from two separate beams and conveyed on a weaving loom equipped with two dobbies each assigned to one of the two layers and working simultaneously and in concordance to achieve the nesting of the two layers and their localized separation at the right of the pockets to be produced, under the control of an appropriate programming.
  • Such a weaving-assembling technique of two woven structures is conventional.
  • Each pocket 3 is made transversely to the covering 1, that is to say, along the weft threads and extends from one edge to the other of the covering, as illustrated in FIG. 2.
  • the pockets 3 are made from place to place, at regular intervals.
  • the pockets 3 receive, at the time of weaving or later, an elongated stiffening element 4, such as a bar for example made of composite material a few tens of millimeters in diameter.
  • the bars 4 for example of the glass fiber and polyester resin type and 25 mm in diameter, are held captive in the pockets 3 between the two woven structures 1, 2 and give the covering an increased bearing capacity while reinforcing the salient character of the zones S where said bars are inserted 4.
  • the material, the diameter and the length of the bars 4 may vary.
  • FIG. 2 represents a coating according to the invention with transverse stiffening elements 4.
  • FIG. 3 represents a covering according to the invention with stiffening elements 4 ′ inserted in pockets 3 ′ produced along the longitudinal axis of the covering 1 ′, that is to say the warp threads of the woven structure of said covering.
  • These pockets 3 ' are also produced in the manner mentioned above, by conventional means, during the weaving and assembly of the two woven structures (V, 2'). They can receive stiffening elements 4 ′, in particular flexible tubes, for example 70 mm in diameter, which can be inflated using a pressurized fluid, such as water, from a appropriate source 5.
  • stiffening elements 4 ′ in particular flexible tubes, for example 70 mm in diameter, which can be inflated using a pressurized fluid, such as water, from a appropriate source 5.
  • the inflating with water of the tubes 4 ' also allows the deployment of the complex 1', 2 'over a body of water, to allow the crossing of a watercourse for example, the whole immersing without problem and coming to land on the bottom.
  • the coating ( 1, 1 ') can be fitted with devices or means placed in pockets (3, 3') and ensuring the detection of cavities or mines and possibly their destruction.
  • Any other measuring device can be placed in said pockets.
  • These same pockets can be provided with self-destruction means rendering the coating unusable after use.

Landscapes

  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Woven Fabrics (AREA)
  • Paints Or Removers (AREA)
  • Dental Preparations (AREA)
  • Insulated Conductors (AREA)
  • Soil Working Implements (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Seal Device For Vehicle (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Glass Compositions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Golf Clubs (AREA)
  • Road Signs Or Road Markings (AREA)
  • Jib Cranes (AREA)
  • Looms (AREA)

Abstract

The invention concerns a temporary surface covering in particular for machines moving on sandy, muddy or marshy ground, such as one with a woven structure (1) formed of warp yarns and weft yarns and whereof the armour is such that each warp yarn is interwoven with the weft yarns along, preferably and more or less, half of the intersections of the armour rows and columns, the warp yarn being down in the remaining intersections, so as to obtain, for each warp yarn, at least a single and tight armour zone followed by a float zone. The invention is characterised in that a second auxiliary woven structure (2) is placed on top and comprises a lap of warp yarns and a lap of weft yarns, the link between the two woven structures (1, 2) being produced during a common simultaneous weaving process interlacing the structures, so as to form between the two structures, here and there, tubular pockets (3, 3') oriented along the warp yarns or along the weft yarns, said pockets being used as housing for receiving elements (4, 4') directly mounted for various purposes.

Description

REVETEMENT DE SURFACE PROVISOIRE PERFECTIONNE IMPROVED PROVISIONAL SURFACE COATING
La présente invention a trait à un perfectionnement au type de revêtement de surface provisoire notamment pour la circulation d'engins sur sol sableux, boueux ou marécageux, objet du brevet français N ° 2 71 8 1 58 au nom du Demandeur. Le brevet ci-dessus décrit un revêtement caractérisé en ce qu'il est constitué d'une structure tissée formée à partir de fils de trame du type monofilament disposés suivant une seule couche et de fils de chaîne également disposés suivant une seule couche, l'armure de la structure tissée étant telle que chaque fil de chaîne s'entrecroise avec les fils de trame suivant, de préférence et très approximativement, la moitié des intersections des rangées et colonnes de l'armure, le fil de chaîne étant laissé dans les intersections restantes, en sorte, pour chaque fil de chaîne, d'obtenir au moins une zone d'armure simple et serrée suivie d'une zone de flottés, l'alternance des différentes zones susdites provoquant des resserrements des fils de trame créant un relief important du tissu ainsi réalisé.The present invention relates to an improvement to the type of temporary surface coating, in particular for the circulation of vehicles on sandy, muddy or marshy ground, which is the subject of French patent No. 2 71 8 1 58 in the name of the Applicant. The above patent describes a coating characterized in that it consists of a woven structure formed from weft threads of the monofilament type arranged in a single layer and warp threads also arranged in a single layer, the weave of the woven structure being such that each warp thread intersects with the following weft threads, preferably and very approximately, half of the intersections of the rows and columns of the weave, the warp thread being left in the intersections remaining, so, for each warp thread, to obtain at least one area of simple and tight weave followed by a float area, the alternation of the various aforementioned areas causing tightening of the weft threads creating a significant relief fabric thus produced.
Pour certaines applications, il s'avérerait utile ou nécessaire d'améliorer la portance de ce revêtement en vue de réduire notamment le phénomène d'orniérage pouvant résulter de la conjonction, d'une part, de la nature peu consistante du sol et, d'autre part, du poids de l'engin et de son mode de déplacement au sol.For certain applications, it would prove useful or necessary to improve the bearing capacity of this coating in order to reduce in particular the rutting phenomenon which may result from the conjunction, on the one hand, of the inconsistent nature of the soil and, d on the other hand, the weight of the machine and its mode of movement on the ground.
Par le document EP 0.61 J.1 60 on connaît une structure de revêtement composite constituée d'une structure tissée revêtue sur ses deux faces d'une couche d'élastomère. 2Document EP 0.61 J.160 discloses a composite covering structure consisting of a woven structure coated on both sides with an elastomer layer. 2
De place en place dans cette structure composite sont ménagées des poches susceptibles de recevoir des éléments souples ou rigides, ou d'être gonflées à l'aide d'un fluide sous pression.From place to place in this composite structure are provided pockets capable of receiving flexible or rigid elements, or of being inflated using a pressurized fluid.
A cet effet, certains des fils de chaîne et de trame de la structure tissée sont séparés des autres fils en sorte de dédoubler localement la structure tissée d'origine.To this end, some of the warp and weft threads of the woven structure are separated from the other threads so as to locally split the original woven structure.
Une telle structure de revêtement est nécessairement fragilisée au droit des poches et ses propriétés physiques sont très sensiblement modifées et altérées du fait de la perte de l'intégrité de la structure tissée aux endroits des poches.Such a coating structure is necessarily weakened at the level of the pockets and its physical properties are very appreciably modified and altered due to the loss of the integrity of the structure woven at the locations of the pockets.
La présente invention a précisément pour but de pallier les inconvénients des revêtements ci-dessus.The present invention specifically aims to overcome the drawbacks of the above coatings.
A cet effet, l'invention a pour objet un revêtement de surface provisoire notamment pour la circulation d'engins sur sol sableux, boueux ou marécageux, du type à structure tissée formée de fils de chaîne et de fils de trame et dont l'armure est telle que chaque fil de chaîne s'entrecroise avec les fils de trame suivant, de préférence et très approximativement, la moitié des intersections des rangées et colonnes de l'armure, le fil de chaîne étant laissé dans les intersections restantes, en sorte, pour chaque fil de chaîne, d'obtenir au moins une zone d'armure simple et serrée suivie d'une zone de flottés, caractérisé en ce qu'une seconde structure tissée auxiliaire est superposée et comprend une nappe de fils de chaîne et une nappe de fils de trame, la liaison entre les deux structures tissées étant réalisée au cours d'une même opération de tissage simultané avec imbrication des structures, de façon à constituer entre les deux structures, de place en place, des poches tubulaires orientées selon les fils de chaîne ou selon les fils de trame, lesdites poches servant de logement de réception d'éléments rapportés à diverses fins.To this end, the subject of the invention is a temporary surface coating, in particular for the circulation of vehicles on sandy, muddy or marshy soil, of the type with a woven structure formed of warp and weft threads, the armor of which is such that each warp thread intersects with the following weft threads, preferably and very approximately, half of the intersections of the rows and columns of the weave, the warp thread being left in the remaining intersections, so, for each warp thread, to obtain at least one simple and tight weave area followed by a float area, characterized in that a second auxiliary woven structure is superimposed and comprises a ply of warp threads and a ply of weft yarns, the connection between the two woven structures being carried out during a same simultaneous weaving operation with interweaving of the structures, so as to constitute between the two structures, from place to place ce, tubular pockets oriented along the warp threads or according to the weft threads, said pockets serving as a housing for receiving elements added for various purposes.
Suivant une application de l'invention au renforcement de la rigidité du revêtement, les poches ainsi constituées reçoivent au moins un élément allongé de rigidification, par exemple une barre en matériau composite de quelques dizaines de millimètres de diamètre. 3According to an application of the invention to strengthening the rigidity of the coating, the pockets thus formed receive at least one elongated stiffening element, for example a bar of composite material a few tens of millimeters in diameter. 3
De telles barres, en particulier lorsqu'elles sont insérées dans des poches constituées transversalement au revêtement, c'est-à-dire parallèlement aux fils de trame, améliorent sensiblement la portance tout en renforçant l'accrochage de la surface en contact en particulier avec les pneumatiques d'engins circulant sur un tel revêtement.Such bars, in particular when they are inserted into pockets formed transversely to the covering, that is to say parallel to the weft threads, significantly improve the bearing capacity while strengthening the attachment of the surface in contact in particular with the vehicle tires circulating on such a coating.
Lorsque les poches sont réalisées dans le sens des fils de chaîne, selon l'axe longitudinal du revêtement, des éléments constitués par exemple de tubes souples gonflés par un fluide sous pression permettent de conférer à l'ensemble du revêtement une rigidité substantielle et une grande stabilité. D'autres applications du dispositif de l'invention sont envisageables, par exemple la détection dans ou sur le sol sur lequel est déployé le revêtement, de dangers tels que des mines ou des cavités cachées, auquel cas les poches constituées dans le revêtement peuvent accueillir tous dispositifs ou moyens de détection et/ou de destruction des mines. D'autres caractéristiques et avantages ressortiront de la description qui va suivre de modes de mise en oeuvre de l'invention, description donnée à titre d'exemple uniquement et en regard du dessin annexé sur lequel :When the pockets are made in the direction of the warp threads, along the longitudinal axis of the coating, elements consisting for example of flexible tubes inflated by a pressurized fluid make it possible to give the entire coating substantial rigidity and great stability. Other applications of the device of the invention can be envisaged, for example the detection in or on the ground on which the covering is deployed, of dangers such as mines or hidden cavities, in which case the pockets formed in the covering can accommodate all devices or means for mine detection and / or destruction. Other characteristics and advantages will emerge from the description which follows of embodiments of the invention, description given by way of example only and with reference to the appended drawing in which:
- Figure 1 est une vue très schématique et partielle de la tranche d'un complexe selon l'invention comprenant deux structures tissées superposées, - Figure 2 est une vue en perspective d'un revêtement selon l'invention muni d'éléments de rigidification transversaux, et- Figure 1 is a very schematic and partial view of the edge of a complex according to the invention comprising two superimposed woven structures, - Figure 2 is a perspective view of a coating according to the invention provided with transverse stiffening elements , and
- Figure 3 est une vue en perspective d'un revêtement selon l'invention muni d'éléments de rigidification longitudinaux.- Figure 3 is a perspective view of a coating according to the invention provided with longitudinal stiffening elements.
Sur la figure 1 , on a schématisé en 1 le profil en travers d'une structure tissée formant revêtement, du type décrit dans le brevet français N ° 2 71 8 1 58.In FIG. 1, there is shown diagrammatically at 1 the cross section of a woven structure forming a covering, of the type described in French patent No. 2 71 8 1 58.
Ce revêtement présente sur ses deux faces une structure gaufrée à nervures transversales formées par des saillies S et des creux C, qui confèrent au revêtement ses propriétés d'accrochage des pneus de véhicules appelés à se déplacer sur ce revêtement.This coating has on its two faces an embossed structure with transverse ribs formed by projections S and recesses C, which give the coating its fastening properties of vehicle tires called to move on this coating.
Conformément à l'invention, à cette structure tissée 1 est associée, en superposition, une seconde structure tissée symbolisée en 2, constituée d'une 4According to the invention, this woven structure 1 is associated, in superposition, a second woven structure symbolized at 2, consisting of a 4
nappe de fils de chaîne et d'une nappe de fils de trame, ces fils étant parallèles aux fils correspondants de la structure 1 .ply of warp threads and a ply of weft threads, these threads being parallel to the corresponding threads of structure 1.
Les deux structures tissées 1 et 2 sont réalisées et liées l'une à l'autre au cours d'une même opération de tissage au cours de laquelle sont constituées des poches telles que celle illustrée en 3 sur la figure 1 , par séparation localisée des deux structures tissées 1 et 2, par exemple au droit de saillies S. A cet effet, les deux nappes de fils de chaîne destinés aux deux structures tissées 1 ,2 sont déroulées de deux ensouples distinctes et acheminées sur un métier à tisser équipées de deux ratières affectées chacune à l'une des deux nappes et travaillant simultanément et en concordance pour réaliser l'imbrication des deux nappes et leur séparation localisée au droit des poches à réaliser, sous la commande d'une programmation appropriée. Une telle technique de tissage-assemblage de deux structures tissées est conventionnelle. Chaque poche 3 est réalisée transversalement au revêtement 1 , c'est à dire, suivant les fils de trame et s'étend d'un bord à l'autre du revêtement, comme illustré en figure 2.The two woven structures 1 and 2 are produced and linked to each other during the same weaving operation during which pockets such as that illustrated at 3 in FIG. 1 are formed, by localized separation of the two woven structures 1 and 2, for example in line with projections S. For this purpose, the two plies of warp threads intended for the two woven structures 1, 2 are unwound from two separate beams and conveyed on a weaving loom equipped with two dobbies each assigned to one of the two layers and working simultaneously and in concordance to achieve the nesting of the two layers and their localized separation at the right of the pockets to be produced, under the control of an appropriate programming. Such a weaving-assembling technique of two woven structures is conventional. Each pocket 3 is made transversely to the covering 1, that is to say, along the weft threads and extends from one edge to the other of the covering, as illustrated in FIG. 2.
Les poches 3 sont réalisées de place en place, à intervalles réguliers. Les poches 3 reçoivent, au moment du tissage ou ultérieurement, un élément allongé 4 de rigidification, tel qu'une barre par exemple en matériau composite de quelques dizaines de millimètres de diamètre.The pockets 3 are made from place to place, at regular intervals. The pockets 3 receive, at the time of weaving or later, an elongated stiffening element 4, such as a bar for example made of composite material a few tens of millimeters in diameter.
Les barres 4, par exemple du type fibres de verre et résine polyester et de 25 mm de diamètre, sont retenues prisonnières dans les poches 3 entre les deux structures tissées 1 , 2 et confèrent au revêtement une portance accrue tout en renforçant le caractère saillant des zones S où sont insérées lesdites barres 4.The bars 4, for example of the glass fiber and polyester resin type and 25 mm in diameter, are held captive in the pockets 3 between the two woven structures 1, 2 and give the covering an increased bearing capacity while reinforcing the salient character of the zones S where said bars are inserted 4.
Le matériau, le diamètre et la longueur des barres 4 peuvent varier.The material, the diameter and the length of the bars 4 may vary.
Eventuellement plusieurs barres 4, de diamètre réduit, peuvent être insérées dans une même poche 3. La nature et le diamètre des fils de la structure tissée 2 peuvent bien entendu varier, selon les applications envisagées. 5Optionally several bars 4, of reduced diameter, can be inserted in the same pocket 3. The nature and the diameter of the threads of the woven structure 2 can of course vary, depending on the applications envisaged. 5
La nature de la structure 1 est conforme aux indications données dans ledit brevet N ° 2 71 8 1 58.The nature of the structure 1 is in accordance with the indications given in the said patent No. 2 71 8 1 58.
La figure 2 représente un revêtement selon l'invention avec des éléments transversaux 4 de rigidification. La figure 3 représente un revêtement selon l'invention avec des éléments de rigidification 4' insérés dans des poches 3' réalisées selon l'axe longitudinal du revêtement 1 ', c'est à dire les fils de chaîne de la structure tissée dudit revêtement.FIG. 2 represents a coating according to the invention with transverse stiffening elements 4. FIG. 3 represents a covering according to the invention with stiffening elements 4 ′ inserted in pockets 3 ′ produced along the longitudinal axis of the covering 1 ′, that is to say the warp threads of the woven structure of said covering.
Ces poches 3' sont également réalisées à la manière rappelée plus haut, par des moyens conventionnels, au cours du tissage et assemblage des deux structures tissées (V, 2'). Elles peuvent recevoir des éléments de rigidification 4', en particulier des tubes souples, par exemple de 70 mm de diamètre, pouvant être gonflés à l'aide d'un fluide sous pression, tel que de l'eau, à partir d'une source appropriée 5. Les tubes 4' s'étendent d'un bout à l'autre du revêtement 1 ' et gonflés par exemple avec de l'eau à une pression de 6 à 8 bars, confèrent à l'ensemble une rigidité et une stabilité remarquable évitant dans certain cas de fixer au sol le revêtement.These pockets 3 'are also produced in the manner mentioned above, by conventional means, during the weaving and assembly of the two woven structures (V, 2'). They can receive stiffening elements 4 ′, in particular flexible tubes, for example 70 mm in diameter, which can be inflated using a pressurized fluid, such as water, from a appropriate source 5. The tubes 4 'extend from one end of the coating 1' to the other and inflated, for example with water at a pressure of 6 to 8 bars, give the assembly rigidity and remarkable stability avoiding in some cases fixing the floor to the floor.
Le gonflage à l'eau des tubes 4' permet également le déploiement du complexe 1 ', 2' sur une étendue d'eau, pour permettre la traversée d'un cours d'eau par exemple, l'ensemble s'immergeant sans problème et venant se poser sur le fond.The inflating with water of the tubes 4 'also allows the deployment of the complex 1', 2 'over a body of water, to allow the crossing of a watercourse for example, the whole immersing without problem and coming to land on the bottom.
Dans une application de l'invention à la sécurité, par exemple la détection de mines éventuelles sur le trajet d'engins et/ou de personnes, ou la détection d'autres dangers tels que la présence sous la surface de cavités, le revêtement (1 , 1 ') peut être équipe de dispositifs ou de moyens placés dans des poches (3, 3') et assurant la détection des cavités ou des mines et éventuellement leur destruction.In an application of the invention to safety, for example the detection of possible mines on the path of vehicles and / or people, or the detection of other dangers such as the presence under the surface of cavities, the coating ( 1, 1 ') can be fitted with devices or means placed in pockets (3, 3') and ensuring the detection of cavities or mines and possibly their destruction.
Tout autre appareil de mesure peut être placé dans lesdites poches. Ces mêmes poches peuvent être munies de moyens d'autodestruction rendant inutilisable le revêtement après emploi. Any other measuring device can be placed in said pockets. These same pockets can be provided with self-destruction means rendering the coating unusable after use.

Claims

R E V E N D I C A T I O N S
1 . Revêtement de surface provisoire notamment pour la circulation d'engins sur sol sableux, boueux ou marécageux, du type à structure tissée ( 1 ) formée de fils de chaîne et de fils de trame et dont l'armure est telle que chaque fil de chaîne s'entrecroise avec les fils de trame suivant, de préférence et très approximativement, la moitié des intersections des rangées et colonnes de l'armure, le fil de chaîne étant laissé dans les intersections restantes, en sorte, pour chaque fil de chaîne, d'obtenir au moins une zone d'armure simple et serrée suivie d'une zone de flottés, caractérisé en ce qu'une seconde structure tissée auxiliaire (2) est superposée et comprend une nappe de fils de chaîne et une nappe de fils de trame, la liaison entre les deux structures tissées (1 , 2) étant réalisée au cours d'une même opération de tissage simultané avec imbrication des structures, de façon à constituer entre les deux structures, de place en place, des poches tubulaires (3, 3') orientées selon les fils de chaîne ou selon les fils de trame, lesdites poches servant de logement de réception d'éléments (4, 4') rapportés à diverses fins.1. Provisional surface coating, in particular for the circulation of machines on sandy, muddy or marshy ground, of the woven structure type (1) formed of warp and weft threads and whose armor is such that each warp thread s 'intersect with the following weft threads, preferably and very approximately, half of the intersections of the rows and columns of the weave, the warp thread being left in the remaining intersections, so, for each warp thread, obtaining at least one zone of simple and tight weave followed by a zone of floats, characterized in that a second auxiliary woven structure (2) is superimposed and comprises a ply of warp threads and a ply of weft threads, the connection between the two woven structures (1, 2) being carried out during a same simultaneous weaving operation with nesting of the structures, so as to constitute, between the two structures, from place to place, tubular pockets es (3, 3 ') oriented along the warp threads or according to the weft threads, said pockets serving as housing for receiving elements (4, 4') added for various purposes.
2. Revêtement selon la revendication 1 , caractérisé en ce que les poches (3, 3') reçoivent au moins un élément allongé (4) de rigidification.2. Coating according to claim 1, characterized in that the pockets (3, 3 ') receive at least one elongated element (4) for stiffening.
3. Revêtement selon la revendication 1 ou 2, caractérisé en ce que l'élément allongé (4) est une barre en matériau composite. 3. Coating according to claim 1 or 2, characterized in that the elongate element (4) is a bar of composite material.
4. Revêtement selon la revendication 2, caractérisé en ce que l'élément allongé (4') est un tube souple susceptible d'être gonflé à l'aide d'un fluide sous pression.4. Coating according to claim 2, characterized in that the elongate element (4 ') is a flexible tube capable of being inflated using a pressurized fluid.
5. Revêtement suivant la revendication 1 , caractérisé en ce que les poches (3, 3') reçoivent un dispositif ou moyen de détection ou mesure. 5. Coating according to claim 1, characterized in that the pockets (3, 3 ') receive a device or means for detection or measurement.
6. Revêtement suivant la revendication 1 , caractérisé en ce que les poches (3, 3') reçoivent un moyen de destruction. 6. Coating according to claim 1, characterized in that the pockets (3, 3 ') receive a means of destruction.
EP99909053A 1998-03-20 1999-03-19 Improved temporary surface covering Expired - Lifetime EP1064419B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9803703 1998-03-20
FR9803703A FR2776308B1 (en) 1998-03-20 1998-03-20 IMPROVED PROVISIONAL SURFACE COATING
PCT/FR1999/000647 WO1999049116A1 (en) 1998-03-20 1999-03-19 Improved temporary surface covering

Publications (2)

Publication Number Publication Date
EP1064419A1 true EP1064419A1 (en) 2001-01-03
EP1064419B1 EP1064419B1 (en) 2003-05-28

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ID=9524490

Family Applications (1)

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EP99909053A Expired - Lifetime EP1064419B1 (en) 1998-03-20 1999-03-19 Improved temporary surface covering

Country Status (18)

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US (1) US6696122B1 (en)
EP (1) EP1064419B1 (en)
JP (1) JP4781531B2 (en)
CN (1) CN1113993C (en)
AT (1) ATE241714T1 (en)
AU (1) AU757292B2 (en)
CA (1) CA2323713C (en)
DE (1) DE69908324T2 (en)
DK (1) DK1064419T3 (en)
ES (1) ES2200503T3 (en)
FR (1) FR2776308B1 (en)
ID (1) ID27302A (en)
IL (1) IL138556A0 (en)
NO (1) NO20004684L (en)
NZ (1) NZ507071A (en)
PT (1) PT1064419E (en)
TR (1) TR200003599T2 (en)
WO (1) WO1999049116A1 (en)

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Also Published As

Publication number Publication date
NZ507071A (en) 2003-03-28
JP4781531B2 (en) 2011-09-28
CA2323713C (en) 2008-06-17
FR2776308B1 (en) 2000-06-23
FR2776308A1 (en) 1999-09-24
JP2002507522A (en) 2002-03-12
AU757292B2 (en) 2003-02-13
EP1064419B1 (en) 2003-05-28
CN1298462A (en) 2001-06-06
DE69908324T2 (en) 2004-04-29
DK1064419T3 (en) 2003-09-15
NO20004684D0 (en) 2000-09-19
HK1038045A1 (en) 2002-03-01
DE69908324D1 (en) 2003-07-03
ES2200503T3 (en) 2004-03-01
IL138556A0 (en) 2001-10-31
NO20004684L (en) 2000-11-17
US6696122B1 (en) 2004-02-24
CN1113993C (en) 2003-07-09
WO1999049116A1 (en) 1999-09-30
TR200003599T2 (en) 2001-04-20
CA2323713A1 (en) 1999-09-30
PT1064419E (en) 2003-10-31
ATE241714T1 (en) 2003-06-15
ID27302A (en) 2001-03-22
AU2843799A (en) 1999-10-18

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