EP0120207B1 - Matelas d'assise pour un revêtement de sol, surtout pour un gazon artificiel perméable à l'eau, ainsi que le procédé de sa fabrication - Google Patents

Matelas d'assise pour un revêtement de sol, surtout pour un gazon artificiel perméable à l'eau, ainsi que le procédé de sa fabrication Download PDF

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Publication number
EP0120207B1
EP0120207B1 EP84100703A EP84100703A EP0120207B1 EP 0120207 B1 EP0120207 B1 EP 0120207B1 EP 84100703 A EP84100703 A EP 84100703A EP 84100703 A EP84100703 A EP 84100703A EP 0120207 B1 EP0120207 B1 EP 0120207B1
Authority
EP
European Patent Office
Prior art keywords
mat
openings
projections
plastic
sections
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.)
Expired
Application number
EP84100703A
Other languages
German (de)
English (en)
Other versions
EP0120207A2 (fr
EP0120207A3 (en
Inventor
Adolff Ag J.F.
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.)
JF Adolff AG
Original Assignee
JF Adolff AG
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 JF Adolff AG filed Critical JF Adolff AG
Priority to AT84100703T priority Critical patent/ATE31098T1/de
Publication of EP0120207A2 publication Critical patent/EP0120207A2/fr
Publication of EP0120207A3 publication Critical patent/EP0120207A3/de
Application granted granted Critical
Publication of EP0120207B1 publication Critical patent/EP0120207B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • 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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C19/00—Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor
    • A63C19/04—Mats or carpets for courts
    • 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
    • E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
    • E01C13/02—Foundations, e.g. with drainage or heating arrangements
    • 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
    • Y10T428/23907—Pile or nap type surface or component
    • Y10T428/23979—Particular backing structure or composition
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24322—Composite web or sheet

Definitions

  • the invention relates to a mat for a floor covering, in particular for a water-permeable floor covering and preferably for a water-permeable artificial turf, consisting of a reinforcement core embedded in foam plastic, so that a grid-like structure is formed from resiliently flexible foam plastic panels and openings in between.
  • the invention further relates to a method for producing such underlays.
  • a known mat of this type (DE-A-3 113 637) for water-permeable artificial turf has a textile core made of so-called Rascheiware, which has a checkerboard-like pattern of approximately square, thread-formed, at least almost closed fields and also approximately square openings arranged between them forms.
  • This core is embedded in foam plastic, the latter of which forms pillow-shaped cushions on the underside of the underlay mat, between which the openings are arranged, while the textile core on the mat top side is barely covered with foam plastic.
  • this known underlay mat has great advantages, since due to the curvature of the cushion-shaped pads formed on the underside of the mat, water that has penetrated through the floor covering and the underlay mat can also run off well, namely to the side when the floor covering and underlay mat are laid on a flat, water-impermeable surface the step-elastic properties of the known underlay mats still leave something to be desired, especially if they form a playing field used by athletes together with an artificial turf.
  • the desired soft interception of a foot that occurs requires a greater height of the elastic material with a floor covering having holes than with a floor covering without holes, dr. ..n the former the elastic materiai, irn. In this case, the foam plastic into which openings can escape.
  • the invention had for its object to provide a mat of the type mentioned, which is superior in terms of its resilient properties to the known mat described above.
  • This object can be achieved according to the invention in that a underlay mat of the type mentioned at the outset is designed in such a way that it has, on its underside, at the edge of at least part of the openings made of foam plastic and does not completely enclose the bead-like projections.
  • Embodiments are preferred in which all openings are assigned essentially the same, namely projections which are C-shaped in the view from below and are also arranged identically at all openings.
  • the foam plastic also forms cushion-shaped pads on the top of the mat, between which the openings are arranged.
  • the bead-like projections improve the tread elastic properties; If they do not completely enclose the openings, they also do not hinder the outflow of water emerging from the openings of the underlay mat downwards, so that the underlay mat can also be laid on a water-impermeable, flat surface.
  • the bead-like projections on the underside of the underlay mat according to the invention also have the effect that the forces exerted by a jumping player or the like are partially reduced by flexing work, so that the tread-elastic properties are not determined solely by the volume elasticity of the foam plastic, as is the case with the one described above known mat is the case.
  • the bead-like projections on the underside of the underlay mat according to the invention result in a storage space with a relatively high volume between this and a base, so that, for. B. an outdoor, water-permeable artificial turf is not flooded so quickly even in heavy rain.
  • the resilient properties of a floor covering are also improved because the actual floor covering now rests on the cushion-shaped cushions located on the top of the underlay mat according to the invention and not on the thin foam plastic layer that is in the known underlay mat on the top of the textile mat core.
  • a particularly simple method for producing an underlay mat according to the invention is characterized in that, in the continuous process, a foamable, flowable plastic is first applied to the top side of a web of openings and then the thickness of the plastic coating is adjusted, whereupon plastic emerging from the openings downward by means of at least a tool arranged below the web to the in the direction of passage, the rear opening edges are at least partially pushed up and removed at the opening edges in the direction of the passage, and that the plastic is foamed and the shape is stabilized after the plastic, which has been pushed up, has emerged again downward from the openings.
  • the underlay mat according to the invention is suitable for all floor coverings which are to have special resilient properties, whether it is textile floor coverings or plate-shaped or sheet-shaped plastic floor coverings.
  • the particular advantages of the underlay mat according to the invention are most evident when it is used for water-permeable artificial turf with which sports or playing fields are laid out.
  • the preferred embodiment of the underlay mat according to the invention shown in FIGS. 1 to 3 contains a textile core 10 (see FIG. 2) in the form of a web-shaped paschal fabric, which will be described in more detail with reference to FIGS. 4 and 5.
  • This textile core is embedded in foam plastic 12, which forms a grid of pillow-shaped cushions 14 on the top of the underlay mat, between which there are drainage openings 16.
  • the arched shape of the pads 14 has the advantage that water accumulating on the top of the underlay mat is drained completely in the direction of the drainage openings 16.
  • the foam plastic forms approximately C-shaped bead-like projections 18 in plan view, which according to the invention comprise the drainage openings 16 on three sides and, according to FIG. 3, have their greatest height on the left of the associated drainage opening.
  • the height of the projections 18 at their highest point is greater than the width of the drainage openings, which results in particularly good step-elastic properties of the underlay.
  • the foam plastic on the underside of the textile core 10 only covers it with a very thin layer.
  • FIG. 4 already shows part of a system for producing the underlay mat according to the invention, namely a section of an endless, circulating conveyor belt 24 which is equipped with nails 26.
  • the textile core 10 forming a material web is held at its longitudinal edges and moved in the longitudinal direction of the conveyor belts in order to carry out the method according to the invention.
  • the textile core 10 preferably consists of a Raschel fabric with wales 28 running in the longitudinal direction, between which openings 30 and closed fields 32 are arranged, which according to the invention form a checkerboard-like pattern.
  • the closed fields 32 are formed by threads, yarns or ribbons 34 which are integrated into the wales 28, the edge threads 34a delimiting the fields 32 with respect to the openings 30 being thicker than the other threads of the fields 32, which results in a certain amount Trough shape of the fields 32 results.
  • Such a trough was designated 38 in FIG.
  • FIG. 6 shows only the one of two transport rollers 50 over which the two conveyor belts 24 run.
  • the material web formed by the textile core 10 is placed on top of the two conveyor belts 24 and fixed with the help of their nails 26.
  • the conveyor belts 24 are driven in the direction of the arrow B shown in FIG. 6.
  • a foamable, flowable plastic 56 is applied to the top of the textile core 10 by means of a nozzle 54, the thickness of the plastic covering remaining on the closed fields 32 of the textile core 10 being adjusted using a doctor blade 58.
  • a squeegee 60 serves to push back (at least partially) the plastic 56 emerging from the openings 30 downward at the rear edge of each opening in the direction of travel as a result of the bevel 60a of the squeegee through the opening, while at the same time at the front edge of each opening, the plastic which has passed downward therefrom is separated by the doctor blade 60, as is illustrated by the doctor blade 60 indicated by dash-dotted lines in FIG. 6 (the doctor blade is of course always in the same place, namely that where it was shown with solid lines).
  • the thickness of the plastic layer on the underside of the textile core 10 is adjusted with the doctor blade 60.
  • the stripped plastic enters a trough 64 and can be reused.
  • a plurality of doctor blades 60 can also be provided one behind the other for the underside of the textile core 10.
  • the plastic that was last displaced upward emerges from the opening at the rear edge of each opening 30 through the opening and forms a bead 66.
  • the web of material then passes through an oven 70, in which the plastic 56 is foamed and stabilized.
  • the cushions 14 and the bead-shaped projections 18 develop, which, as can be seen in FIG. 3, have the shape of a highly divided collar.
  • the material web is removed from the conveyor belts 24, for example by providing a lifting roller behind the last transport roller 50, over which the material web runs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Carpets (AREA)
  • Road Paving Structures (AREA)
  • Bathtub Accessories (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Claims (12)

1. Tapis d'assise pour un revêtement de sol, en particulier pour un revêtement de sol perméable à l'eau et de préférence pour un gazon artificiel, constitué par un noyau de renforcement (10) noyé dans une matière synthétique en mousse (12), de telle sorte qu'une structure quadrillée de zones de matière synthétique en mousse cédant élastiquement et d'ouvertures (16) situées entre elles soit formée, caractérisé en ce que sur la face inférieure du tapis sont prévues, sur le bord d'une partie au moins des ouvertures (16), des saillies en forme de bourrelet (18) formées par la matière synthétique en mousse (12), n' entourant pas complètement les ouvertures.
2. Tapis suivant la revendication 1, caractérisé en ce qu'à toutes les ouvertures (16) sont associées des saillies (18) essentiellement de réalisation et disposition identiques.
3. Tapis suivant la revendication 1 ou 2, caractérisé en ce que les saillies (18) - vues du dessous - sont réalisées approximativement en forme de C et leur hauteur dans la zone de leurs parties médianes décroît jusqu'à zéro à leurs extrémités libres.
4. Tapis suivant une ou plusieurs des revendications précédentes, caractérisé en ce que la matière synthétique en mousse forme sur la face supérieure du tapis, des rembourrages (14) en forme de coussin, entre lesquels sont situées les ouvertures (16).
5. Tapis suivant la revendication 4, caractérisé en ce que les rembourrages (14) et les ouvertures (16) forment un dessin approximativement en damier.
6. Tapis suivant une ou plusieurs des revendications précédentes, caractérisé en ce qu'il présente un noyau textile (10), qui forme un dessin en damier de zones (32) approximativement rectangulaires et de préférence carrées, au moins presque fermées et formées par des fils (34), et d'ouvertures (30) disposées entre elles, également approximativement rectangulaires ou carrées.
7. Tapis suivant la revendication 6, caractérisé en ce que les fils (34a) formant au moins deux bords mutuellement opposés - perpendiculairement au plan médian - ont de plus grandes dimensions que les fils situés à l'intérieur des zones, de telle sorte que chaque zone forme en coupe perpendiculairement à ces fils marginaux, une cuvette (38) s'ouvrant vers le haut.
8. Tapis suivant la revendication 6 ou 7, caractérisé en ce que la matière synthétique en mousse, indépendamment des saillies en forme de bourrelets (18), ne forme qu'une mince couche sur la face inférieure des zones (32) du noyau textile (10).
9. Tapis suivant une ou plusieurs des revendications précédentes, caractérisé en ce que la hauteur des saillies (18) en leur endroit le plus haut est au moins approximativement égale à la largeur des saillies et est de préférence supérieure à leur largeur.
10. Tapis suivant une ou plusieurs des revendications précédentes, caractérisé en ce que les saillies (18) ont la forme d'un collet relevé.
11. Procédé pour la fabrication d'un tapis suivant une ou plusieurs des revendications précédentes, caractérisé en ce qu'en un procédé continu, on applique d'abord sur la face supérieure d'une bande de matière (10) présentant des ouvertures (30), une matière synthétique fluide foisonnable (56) et on ajuste alors l'épaisseur de l'application de matière synthétique, après quoi la matière synthétique échappée vers le bas des ouvertures (30) est repoussée au moins partiellement vers le haut, au moyen d'au moins un outil (60) disposé en dessous de la bande de matière, sur les bords arrière dans le sens de circulation des ouvertures, et est enlevée sur les bords avant dans le sens de circulation des ouvertures, et en ce que la matière synthétique est mise en mousse et stabilisée en forme, après que la matière synthétique repoussée vers le haut est ressortie vers le bas des ouvertures.
12. Procédé suivant la revendication 11, caractérisé en ce que la bande de matière (10) est maintenue et entraînée sur ses bords longitudinaux latéraux.
EP84100703A 1983-03-24 1984-01-24 Matelas d'assise pour un revêtement de sol, surtout pour un gazon artificiel perméable à l'eau, ainsi que le procédé de sa fabrication Expired EP0120207B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84100703T ATE31098T1 (de) 1983-03-24 1984-01-24 Unterlegmatte fuer einen bodenbelag, vorzugsweise fuer einen wasserdurchlaessigen kunstrasen, sowie verfahren zu ihrer herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3310640 1983-03-24
DE19833310640 DE3310640A1 (de) 1983-03-24 1983-03-24 Unterlegmatte fuer einen bodenbelag, vorzugsweise fuer einen wasserdurchlaessigen kunstrasen, sowie verfahren zu ihrer herstellung

Publications (3)

Publication Number Publication Date
EP0120207A2 EP0120207A2 (fr) 1984-10-03
EP0120207A3 EP0120207A3 (en) 1986-02-05
EP0120207B1 true EP0120207B1 (fr) 1987-11-25

Family

ID=6194463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84100703A Expired EP0120207B1 (fr) 1983-03-24 1984-01-24 Matelas d'assise pour un revêtement de sol, surtout pour un gazon artificiel perméable à l'eau, ainsi que le procédé de sa fabrication

Country Status (8)

Country Link
US (1) US4535021A (fr)
EP (1) EP0120207B1 (fr)
JP (1) JPH06104962B2 (fr)
KR (1) KR890004665B1 (fr)
AT (1) ATE31098T1 (fr)
AU (1) AU550717B2 (fr)
CA (1) CA1219611A (fr)
DE (2) DE3310640A1 (fr)

Families Citing this family (42)

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Publication number Priority date Publication date Assignee Title
EP0185645A3 (fr) * 1984-12-17 1987-09-02 Monsanto Company Terrain de jeux en gazon artificiel à drainage rapide
US4637942A (en) * 1985-09-23 1987-01-20 Tecsyn Canada Limited Synthetic grass playing field surface
DE3729267A1 (de) * 1987-01-29 1988-08-11 Adolff J F Ag Verfahren zur herstellung einer sportstaetten-kunststoffrasenbahn
DE3835880A1 (de) * 1988-10-21 1990-04-26 Sportboden Systeme Gmbh Elastische matte fuer bodenbelaege von sport- und freizeitflaechen
US4946719A (en) * 1988-12-05 1990-08-07 Astroturf Industries, Inc. Drainable artificial turf assembly
JPH085136B2 (ja) * 1989-04-11 1996-01-24 デズグロウ・ピーティーワイ・リミテッド グラスファイバー製品製造用の型板
US4930784A (en) * 1989-09-28 1990-06-05 Jordan Rodney B Portable putting waffle green
US5120587A (en) * 1990-10-25 1992-06-09 Optimum Technologies, Inc. Support binder
US6162309A (en) * 1998-04-21 2000-12-19 Burlington Industries, Inc. Reinforced foam backed carpet
USD454433S1 (en) 2000-03-17 2002-03-19 Concert Industries Ltd. Embossed non-woven fabric
US7662468B2 (en) * 2000-10-06 2010-02-16 Brock Usa, Llc Composite materials made from pretreated, adhesive coated beads
USD511251S1 (en) * 2003-02-19 2005-11-08 The Procter & Gamble Company Cleaning sheet
USD526128S1 (en) * 2005-09-28 2006-08-08 Polymer Group, Inc. Nonwoven fabric
USD526129S1 (en) * 2005-09-28 2006-08-08 Polymer Group, Inc. Nonwoven fabric
USD525436S1 (en) * 2005-09-28 2006-07-25 Polymer Group, Inc. Nonwoven fabric
USD559550S1 (en) * 2005-10-26 2008-01-15 Fusako Saitoh Packing material
USD565305S1 (en) * 2005-10-26 2008-04-01 Fusako Saitoh Packing material
WO2008045447A2 (fr) * 2006-10-09 2008-04-17 Fieldturf Tarkett Inc. Dalle pour système de gazon synthétique
EP2084330A2 (fr) * 2006-10-24 2009-08-05 Tarkett Inc. Système de drainage pour système d'herbe synthétique, procède d'installation d'un système d'herbe synthétique et procède commercial pour obtenir un système d'herbe synthétique
US11371194B2 (en) 2007-01-19 2022-06-28 Brock Usa, Llc Base for turf system
EP2111491A2 (fr) * 2007-01-19 2009-10-28 Brock International Base de système de gazon
US8353640B2 (en) * 2008-01-22 2013-01-15 Brock Usa, Llc Load supporting panel having impact absorbing structure
US20090246418A1 (en) * 2008-02-12 2009-10-01 Ronald Wise Joint construction for artificial turf substrate
US8048506B2 (en) * 2008-02-12 2011-11-01 Ronald Wise Carpet
US7993729B2 (en) * 2008-10-27 2011-08-09 Ronald Wise Substrate for artificial turf
ITUD20090106A1 (it) * 2009-05-27 2010-11-28 Ornella Lauzzana Materiale in foglio a base di fibra tessile e materiale espanso, e relativo procedimento di realizzazione di tale materiale
US20140250780A1 (en) * 2010-10-27 2014-09-11 Hyo-sang Lee Removable support surface
USD681382S1 (en) * 2011-05-12 2013-05-07 Dana Barnes Multi-purpose felted square pad
DE202014001564U1 (de) * 2014-02-24 2014-05-12 Science To Business Gmbh - Hochschule Osnabrück Reitplatz mit Unterflur-Be- und Entwässerungssystem
ES2770690T3 (es) * 2014-05-05 2020-07-02 Procter & Gamble Espuma que contiene masa heterogénea
USD802940S1 (en) * 2015-04-14 2017-11-21 Samsung Electronics Co., Ltd. Fabric
USD789097S1 (en) * 2015-04-14 2017-06-13 Samsung Electronics Co., Ltd. Fabric
US10729600B2 (en) 2015-06-30 2020-08-04 The Procter & Gamble Company Absorbent structure
EP3370673B1 (fr) 2015-11-04 2022-03-30 The Procter & Gamble Company Structure absorbante
ES2983474T3 (es) 2015-11-04 2024-10-23 Procter & Gamble Estructura absorbente
WO2017079597A1 (fr) 2015-11-04 2017-05-11 The Procter & Gamble Company Structure absorbante
HUE057989T2 (hu) 2015-11-04 2022-06-28 Procter & Gamble Nedvszívó szerkezetet tartalmazó nedvszívó árucikk
USD1020303S1 (en) * 2016-01-27 2024-04-02 Ets A. Deschamps Et Fils Mat with surface ornamentation
IT201700088145A1 (it) * 2017-08-01 2019-02-01 Maria Giuseppe De Materassino in materiale plastico impermeabile per sottofondo di manti erbosi sintetici o pavimentazioni e simili.
EP3508651A1 (fr) * 2018-01-08 2019-07-10 Synthetic Turf Resources Corp. Gazon synthétique à drainage élevé et son procédé de fabrication
USD937587S1 (en) * 2020-01-02 2021-12-07 Marmot Mountain, Llc Cell pattern
CA210914S (en) * 2021-08-20 2022-12-29 Zinus Inc Mattress

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GB1050293A (fr) * 1963-03-04 1900-01-01
US3795180A (en) * 1969-02-26 1974-03-05 Conwed Corp Plastic net deck surface and drainage unit
US4007307A (en) * 1970-10-17 1977-02-08 J. F. Adolff Ag Artificial lawn
JPS5145894A (ja) * 1974-10-14 1976-04-19 Kurushima Dockyard Putsushaabaajirenketsusochi
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DE3113636A1 (de) * 1981-04-04 1982-10-21 J.F. Adolff Ag, 7150 Backnang Verfahren zum verbinden einer bodenbelag-warenbahn mit einer unterlagswarenbahn
JPS581417A (ja) * 1981-06-27 1983-01-06 名張敷物株式会社 透水性下敷クツシヨン材

Also Published As

Publication number Publication date
EP0120207A2 (fr) 1984-10-03
AU2524884A (en) 1984-09-27
DE3310640A1 (de) 1984-09-27
KR890004665B1 (ko) 1989-11-24
JPS59195907A (ja) 1984-11-07
CA1219611A (fr) 1987-03-24
ATE31098T1 (de) 1987-12-15
KR840007818A (ko) 1984-12-11
EP0120207A3 (en) 1986-02-05
AU550717B2 (en) 1986-04-10
JPH06104962B2 (ja) 1994-12-21
US4535021A (en) 1985-08-13
DE3467787D1 (en) 1988-01-07

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