EP1926861A1 - Bande a nopes et procede de fabrication - Google Patents

Bande a nopes et procede de fabrication

Info

Publication number
EP1926861A1
EP1926861A1 EP06776089A EP06776089A EP1926861A1 EP 1926861 A1 EP1926861 A1 EP 1926861A1 EP 06776089 A EP06776089 A EP 06776089A EP 06776089 A EP06776089 A EP 06776089A EP 1926861 A1 EP1926861 A1 EP 1926861A1
Authority
EP
European Patent Office
Prior art keywords
sheet
dimpled
nub
flat
thermoforming
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
EP06776089A
Other languages
German (de)
English (en)
Other versions
EP1926861B1 (fr
Inventor
Jörn SCHRÖER
Heinz Peter Raidt
Jens Odendahl
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.)
Ewald Doerken AG
Original Assignee
Ewald Doerken 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 Ewald Doerken AG filed Critical Ewald Doerken AG
Publication of EP1926861A1 publication Critical patent/EP1926861A1/fr
Application granted granted Critical
Publication of EP1926861B1 publication Critical patent/EP1926861B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water

Definitions

  • the invention relates to a dimpled sheet, in particular for building purposes and preferably for use as a foundation wall protection or drainage membrane, with a flat area and a plurality of protruding over the flat area, a knobbed shell and possibly a Noppendeckel having nubs. Furthermore, the present invention relates to methods for producing a dimpled sheet, in particular for construction purposes and preferably for use as a foundation wall protection or drainage, in the deep-drawing process, wherein the dimpled sheet a flat region and a plurality of over the flat area protruding, a knobbed shell and possibly a Having noppendekkel having nubs, wherein the dimpled sheet is made of a deep-drawn film.
  • thermoforming process refers to the so-called thermoforming.
  • a flat film of uniform thickness is first produced.
  • the film is deep-drawn either in still hot and thus plastic state or after prior heating via a tool.
  • deep drawing is not carried out by hot molding but cold.
  • the compressive strength of a dimpled sheet is determined by several factors.
  • An essential factor here is first the basis weight of the dimpled sheet.
  • the geometry of the nub affects the load limit.
  • the flank angle of the truncated cone has just as much influence as the number of pegs per unit area.
  • Another determining factor is the modulus of elasticity of the raw material used. This determines the maximum force on reaching the yield strength of the loaded dimpled sheet and thus its rigidity.
  • high stiffness generally suffers from the impact resistance and flexibility of the dimpled sheet and thus the user-friendliness.
  • the object of the present invention is to avoid the aforementioned disadvantages of the prior art.
  • the invention it is provided in the above-mentioned dimpled sheet that at least one nub in its upper nub region has a bead projecting beyond the immediately adjacent region and / or has a secondary material with a yield strength which is greater than the yield strength of the main raw material in the lower nub region or in the flat region ,
  • the nub is thus formed in the invention so that the upper nub area is ultimately designed to absorb higher loads than the lower nub area and thus has an increased load capacity.
  • the invention is based on investigations in connection with the production process. It has been found that fundamentally different wall thicknesses occur in the deep drawing process due to the extraction and stretching of the material. So far, efforts had been made to achieve a uniform distribution of the wall thickness in the dimpled sheath.
  • the dimpled sheet according to the invention can be produced in part without additional use of material as known dimpled sheets and thus without higher manufacturing costs, with a significantly increased load capacity is given.
  • the increased load capacity in the upper knob area can be achieved, for example, by distributing the raw material mass in the nub so that the greatest concentration is present in the region of the highest load.
  • the region of increased load-bearing capacity is thickened or provided with the bead in relation to the lower nub area.
  • the thickening or the bead should preferably be formed circumferentially as annular bead.
  • the ring shape ultimately refers to a circumferential shape, regardless of whether the ring is round, oval, polygonal or has another shape. Basically, the ring must not be closed.
  • the ring may be composed of individual ring segments which need not necessarily be connected together.
  • a secondary material in the region of increased carrying capacity, is provided with a yield strength which is greater than the yield strength of the main raw material in the lower nub area and / or in the flat area.
  • the higher yield strength is associated with a raw material having a higher modulus of elasticity and / or a higher transverse contraction number.
  • thermoforming sheet with at least one layer with a first material and a layer with a second material is provided as starting material. Due to the multi-layered nature of the thermoforming sheet, the dimpled sheet produced therefrom is correspondingly multi-layered.
  • the material of the first layer has a greater melt viscosity than the material of the second layer.
  • the aforementioned melt viscosity influences the flow behavior of the material of the individual layers. Materials with high melt viscosity have poorer flow, so flow less than materials with a lower melt viscosity.
  • the two layers in the dimpled casing are of different conical conformation.
  • the layer thickness of the first material is much larger in the upper region of the nub than the layer thickness of the second material in the upper region. In the end, this results in a greater conicity of the first layer in the upper nub area compared to the second layer.
  • the material of the first layer ie with the higher melt viscosity
  • the material of the second layer has a higher yield strength than the material of the second layer.
  • the result in this embodiment is a dimpled sheet, in which the knobs have an extraordinarily high load-bearing capacity, since the higher-viscous material with increased yield strength has a very high layer thickness in the nub and in particular in the upper nub area, while the layer thickness of the nubs first layer in the lower nub region and in particular in the flat region is reduced compared to the layer thickness of the second layer.
  • the dimpled sheet thus retains a relatively high degree of flexibility and thus good handleability.
  • the highest stresses occur in the upper half and in particular in the upper third of the lateral surface, in particular the annular region at the transition from Noppendeckel to Noppenmantel and in particular below the upper end of the dimpled shell and so that it is highly loaded below the transition from Noppendeckel to Noppenmantel. Accordingly, it is provided in the invention that the area of increased load capacity in the upper third and in particular in a ring area at the transition or below the transition from Noppenmantel to Noppendeckel is provided so that this area for receiving higher loads than the lower knob area and the flat area is trained.
  • the annular region which preferably begins shortly below the transition from the nub shell to the nub cover, preferably has a width which corresponds at least to approximately one eighth of the height of the nub.
  • the width of the annular region is between one-sixth and one-third of the height of the dimpled shell.
  • the conversion thickness of the dimple in the dimpled casing to the upper end i. towards the Noppendeckel increases.
  • a wedge-like or even approximately conical shape is achieved.
  • a continuous or permanent conversion thickness can in principle also be achieved.
  • the bead is independent of the manufacturing process so that the bead as a local increase or thickening of the immediately adjacent area, which adjoins, for example, down to the bead lifts.
  • this local projection is independent of whether the wall thickness of the nub shell is constant or increases substantially continuously in the direction of the nub cover.
  • Plastic is selected to increase the yield strength in the nubs. He- According to the invention, it is provided in this connection that the main direction of orientation of the polymer chains extends at least in regions in the longitudinal direction of the dimpled shell. It is preferred in this context that the aforementioned alignment of the polymer chains is provided on opposite sides of the dimpled shell. By the aforementioned alignment of the polymer chains in the longitudinal direction of the dimpled shell an increased force absorption is possible.
  • the main direction of the orientation of the polymer chains of the starting film and thus the preorientation of the polymer chains can be achieved, for example, by vigorous extraction of the still molten film in the production or stretching of the film in the solid state (stretching), preferably monoaxially but also biaxially.
  • monoaxial stretching ultimately only one main direction of the polymer chains is achieved, so that an increased force absorption or carrying capacity of the drawn nub results only on opposite sides in the main direction of the polymer chains.
  • the starting flat film has a plurality of precursors whose polymer chains are correspondingly preoriented.
  • the individual flat films should then be offset from one another from the main direction of the preorientation. For two films, an offset of about 90 ° should be given, while for example when using three films, an offset of about 60 ° to each other is given.
  • the monoaxially stretched films are preferably to be arranged such that the individual main directions are at least substantially at the same angle to each other.
  • the arrangement in certain angular positions of the Vorfolien is not essential.
  • a material with a relatively high compressive strength can be achieved in a comparatively simple manner, which otherwise would only be achieved by an increased th material use, ie can achieve a thicker starting film.
  • the idea of the invention of preorientation is therefore not limited to use in dimpled sheets, but also for other applications in which starting films are used, transferable.
  • the primary raw material of the thermoforming film is selectively or partially added with secondary raw material having a yield strength which is increased in comparison with the main raw material.
  • the main raw material and the secondary raw material are therefore different materials.
  • the secondary raw material is added to those zones where nubs are deep-drawn and form the upper nub area after deep drawing and in particular the ring area in the upper third of the nub at or below the transition from Noppenmantel to Noppendeckel.
  • the raw material with increased yield strength is added in a very targeted manner at the points of maximum load capacity, in order to achieve an increase in the load capacity.
  • the remainder of the dimpled sheet i. H.
  • the lower nub area and also the flat area made only from the main raw material, so that there is a high flexibility of the material and thus a user-friendliness in this area.
  • the addition of the secondary raw material takes place in the calendering process.
  • the addition of the secondary raw material to the main raw material ultimately results in a mixture of the two materials and thus a material inhomogeneity.
  • the mixture of the main raw material and the secondary raw material leads to an increase in the yield strength in this area.
  • thermoforming film for the production of the thermoforming film, an initial Flat film substantially constant thickness regions thickenings are applied, and that the thickenings are applied to those zones or areas where pimples are deep-drawn and after deep drawing the upper nub area and in particular a Ringbe- rich in the upper third of the nub at or below form the transition from Noppenmantel to Noppendeckel.
  • the third alternative differs from the previous one in that, after deep-drawing the thermoforming sheet, thickenings are applied to the upper nub area and in particular to the ring area in the upper third of the nub at or below the transition from the nub coat to the nub top.
  • thickenings are applied to the upper nub area and in particular to the ring area in the upper third of the nub at or below the transition from the nub coat to the nub top.
  • it is ultimately possible to additionally supply material in the melt stage which is preferably applied annularly before or after the deep-drawing process. This can be done by placing and welding of annular discs as well as by supplying melt from annular nozzles.
  • thermoforming a starting flat film substantially constant thickness is calendered such that areawise thickenings result by accumulation of mass, and that the thickenings are generated at such zones where at Deep drawing process is the largest shell thickness to arise, namely in particular in the ring area in the upper third of the knob at or below the transition from Noppenmantel to Noppendeckel.
  • a layer having a plurality of individual layer regions is preferably applied to the still flat starting film in the printing process, the layer regions ultimately being provided on the zones of maximum stress.
  • the layer regions preferably each have a ring shape.
  • the material of the layer or the layer regions is chosen such that the heat transfer to the mold during deep drawing is influenced.
  • an increase in the heat transfer leads to the layer range to a faster cooling. This in turn means that the film is tougher in these areas and thus less take off.
  • the sixth alternative method provides that for the production of thermoforming a starting flat film of constant thickness is partially cooled and that those zones are cooled, where nubs are deep-drawn and after deep drawing the upper nub area and in particular the ring area in the upper third of the nub form at or below the transition from the dimpled shell to the Noppendeckel.
  • the cooling of the respective zones can z. B. by blowing with air.
  • the air can be directed through a mask on the zones to be cooled.
  • Another possibility is to direct the air with a variety of individual nozzles on the zones.
  • the basic idea of the sixth production alternative is to achieve temperature differences between individual regions of the thermoforming film.
  • This idea also underlies the seventh procedural alternative.
  • the necessary temperature differences are generated by the fact that the temperature is raised in the zones of the knob, which are to be pulled down later. These are ultimately the zones that form the lower nub area after deep drawing. This can be done with heated air, which is concentrated via a mask or individual nozzles on the desired zones. The increase in temperature can also be done with heat radiators.
  • Another possibility to concentrate raw material mass in the region of the highest load of the nub provides the eighth embodiment of the method according to the invention.
  • web material is displaced from the lower nub area and / or the nub cover into the upper nub area and in particular into the ring area in the upper third of the nub at or below the transition to the nub coat from the nub coat to the nub cover during thermoforming.
  • This is preferably done in the last phase of the deep-drawing process, while the deformed plastic mass is sufficiently plastic.
  • the displacement in the area in question is generated via a predetermined shape of the thermoforming tool.
  • a positive upper and lower punches can be used during deep drawing in order to concentrate mass in the upper third of the outer and / or the inner jacket zone.
  • the ninth alternative method is provided that after deep drawing web material is displaced from the Noppendeckel to the outside, so that at the transition from Noppenmantel Noppendeckel an annular bead results, so that at this point a higher degree of stress can be absorbed.
  • This method can be realized, on the one hand, when the deep-drawn dimpled sheet is still in the lower die of the deep-drawing mold, namely in that a stamp displaces the material out of the area of the nub cover to the outside.
  • a mold separate from the thermoforming mold is used with the upper and lower dies, the nub being positively seated on the lower die and the upper punch being used to displace melt from the lid region.
  • the starting flat film is pre-oriented in terms of its polymer chains by vigorous extraction of the still molten film during production and / or stretching of the film in the solid state. If the starting flat film has several prefilms, these are correspondingly preoriented, with the main orientation of the polymer chains of the individual prefilms then being offset from one another.
  • a multilayer film with at least one first and one second layer is used as the deep-drawing film. In this case, the material of the first layer has a higher melt viscosity than the material of the second layer.
  • Noppenbahnen invention which are prepared by different methods of the invention, shown in detail and described. It shows
  • thermoforming sheet after calendering for producing a dimpled sheet according to the invention 3 is a cross-sectional view of a nub in two embodiments of a prior art dimpled sheet having a uniform wall thickness;
  • Fig. 4 is a cross-sectional view of a knob of an inventive
  • FIG. 5 shows a schematic cross-sectional view of a nub of a dimpled sheet according to the invention, wherein a material thickening is produced by cooling
  • FIG. 6 shows a cross-sectional view of a nub of a dimpled sheet according to the invention during deep drawing, wherein a material thickening is produced by displacement
  • FIG. 7 is a view corresponding to FIG. 6 of another embodiment
  • FIG. 8 shows a cross-sectional view of a nub of a dimpled sheet according to the invention, wherein the thickening of the material takes place by displacement by means of a separate molding tool,
  • thermoforming sheet 9 is a cross-sectional view of a thermoforming sheet for a dimpled sheet according to the invention.
  • FIG. 10 shows a cross-sectional view of a nub of a dimpled sheet according to the invention, which has been produced from the thermoforming sheet according to FIG. 9.
  • a part of a dimpled sheet 1 is shown, which is intended for use as a foundation wall protection or drainage.
  • the dimpled sheet 1 has a flat region 2, which preferably has a substantially constant wall thickness.
  • the dimpled sheet 1 has a multiplicity of studs 3 projecting beyond the flat region 2.
  • the number of nubs per unit area may vary. Usually, more than 50 nubs per m 2 are provided, whereby basically every value of more than 50 nubs pen / m 2 is possible. Preferred embodiments are between 1,000 and 10,000 nubs / m 2 .
  • Each of the nubs 3 has a knobbed shell 4 and an upper Noppendeckel 5. The height of the knob is usually greater than 2 mm.
  • the nub height is between 3 and 20 mm, in the present case it is about 5 mm. With a 5 mm high nub the diameter is usually 6 mm while the diameter of the base is about 8.5 mm. The flank angle is 14 °.
  • the nubs shown 3 are frusto-conical, it is understood that the nubs 3 can basically have any geometry.
  • the knobs can, for example, truncated pyramidal, round, polygonal, ribbed u. Like. Be formed.
  • the dimpled sheet 1 itself otherwise consists of a plastic material of small wall thickness, which has been produced by deep-drawing.
  • nubs 3 of the dimpled sheet a water-permeable layer, for example in the form of a drainage fleece or the like. can be applied.
  • the nub 3 does not necessarily have to have a nub-lid.
  • an opening adjoins the nub shell 4 at the top, the nub cover 5 thus eliminated.
  • the Noppendeckel 5 and / or the flat area 2 need not have a closed surface.
  • a ridge or lattice-like design, i. with through holes, is readily possible.
  • thermoforming sheet 6 from which the dimpled sheet 1 shown in Fig. 1 is produced, shown.
  • the deep-drawing film 6 itself has been produced from a starting flat film, not shown, of substantially constant thickness.
  • the thermoforming sheet 6 at preferably all points at which later nubs 3 are formed by deep drawing, annular thickening 7, which have been produced by calendering.
  • FIG. 3 shows part of a dimpled sheet 1 belonging to the prior art, which has a flat region 2 and a multiplicity of nubs 3. has.
  • Each nub 3 has a knobbed jacket 4 and a Noppendeckel 5.
  • the dimpled casing has a substantially conically tapered thickness or material thickness, while in the right-hand representation a uniform wall thickness or material thickness of the dimpled shell 4 is provided.
  • the left-hand part of the nub shown in FIG. 3 is a nub 3 produced by deep drawing, wherein the deep drawing results in the wall thickness decreasing from top to bottom.
  • the embodiment shown in the right-hand part of FIG. 3 has an essentially constant wall thickness. This knob has been produced by another manufacturing method.
  • the nubs 3 shown in the following FIGS. 4 to 8 correspond in shape to that in the right part of the knob 3 shown in FIG. 3. However, it will be understood that the nubs shown in FIGS. 4 to 8 also correspond to the wall thickness of FIG in the left part of the nub shown in Fig. 3, although not shown.
  • FIG. 4 shows part of a dimpled sheet 1 according to the invention.
  • the representation according to FIG. 4 corresponds to the illustration according to FIG. 3, the decisive difference being that the nub 3 has an increased load capacity in its upper nub area 8 in relation to the lower nub area 9.
  • the upper nub area 8 extends over the upper third of the nub 3, while the lower nub area 9 constitutes the middle third and the lower third including the Noppenfußes.
  • the upper nub region 8 and specifically a circumferential annular region 10 at or below the transition from the nub shell 4 to the nub cover 5 is designed as an area of increased load-bearing capacity, so that higher loads can be absorbed in this region. This is realized in the embodiment shown in Fig.
  • the longitudinal direction L of the dimpled shell 4 is shown by way of example in FIG. 4.
  • the example of the imple mentation form shown in FIG. 4 provided that the polymer chains of the plastic of the dimpled sheet 1 extend from its main direction forth in the longitudinal direction L of the dimpled shell.
  • this embodiment can be provided with preoriented polymer chains in principle, in the embodiment of FIG. 4, however, must not be provided.
  • FIGS. 5 to 7 each show knobs 3 of dimpled sheets 1, the area of increased compressive strength and, in particular, the annular area 10 being thickened relative to the lower knobbly area 9 in each case.
  • the thickening is in each case formed as a circumferential annular bead 1 1.
  • an outer annular bead 11 is provided, while in the imple mentation form of FIG. 7, an inner annular bead 11 is provided.
  • the annular bead is provided as a projecting area following the knob cover 5.
  • the dimpled sheet 1 is produced from a thermoforming sheet 6 by deep-drawing, wherein deep-drawing takes place in the thermoforming process, although a cold thermoforming is possible.
  • the production of the dimpled sheet 1 shown in FIG. 4 takes place in such a way that, in the production of the corresponding starting flat film or in the case of the laminating method, the main raw material in the loading area of the secondary raw material added with the higher yield strength.
  • the loading region designates the annular region 10 at the transition from the studded jacket 4 to the nub cover 5.
  • the deep-drawing film 6 produced in this way is subsequently deep-drawn using a conventional thermoforming tool to form a dimpled sheet 1 according to FIG.
  • thermoforming sheet 6 shown in FIG. 2 already has thick points or thickenings 7 produced by calendering prior to the thermoforming process, in which case mass is accumulated annularly on the loading area by embossing. Subsequently, the thermoforming sheet 6 can be deep-drawn according to FIG. 2 in a conventional deep-drawing tool to a dimpled sheet 1.
  • thermoforming sheet 6 is cooled before deep drawing in the load area.
  • the cooling takes place via an air flow 12, wherein the supplied air is selectively supplied through a mask 13 to the load area.
  • the point of the maximum thickness of the annular bead 1 is 1 to an upper third of the upper nub area 8, but well below the Noppendeckels. 5
  • the annular bead 11 is produced in the last phase of the deep-drawing operation, while the deformed plastics material is sufficiently plastic, with the deep-drawing tool, namely the upper punch 14 and the lower punch 15.
  • melt is displaced from the lower nub area 8 and / or the Noppendeckel 5 in the upper nub area 8.
  • the lower punch 15 is conical, while the upper punch 14 corresponds at least substantially to the negative shape of the lower punch 15.
  • a peripheral recess 16 is provided in the upper region of the upper punch 14, which constitutes the receiving or collecting space for the displaced material and allows the production of the annular bead 11.
  • FIG. 6 it is understood that instead of the illustrated embodiment according to FIG.
  • the embodiment according to FIG. 7 differs from the embodiment according to FIG. 6 only in that the recess 16 is provided on the lower punch 15 and not on the upper punch 14. This results in an inner annular bead 11th
  • a mold with an upper punch 19 and a lower punch 20 is used to displace melt or material from the Noppendeckel 5 to the outside, so that an outer circumferential annular bead 11 in the load area, ie in Transition from the lid to the side wall surface results.
  • FIG. 9 shows a deep-drawing film 6 which has two layers and has a first layer 25 and a second layer 26. Both layers have the same layer thickness in the initial state, but this is not necessarily required. Both the one and the other layer can basically be thicker.
  • the material of the first layer 25 has a greater melt viscosity and, in the present case, also a greater yield strength than the material of the second layer 26.
  • FIG. 10 shows a part of a dimpled sheet 1 deep-drawn from the deep-drawing film according to FIG. 9.
  • a nub 3 of the dimpled sheet 1 is shown in FIG. Due to the different material properties and in particular the different melt viscosity results in deep drawing a different flow behavior of the material of the first layer 25 and the second layer 26.
  • the high melt viscosity of the material of the first layer 25 causes a comparatively large in the nubeck Layer thickness is present, which decreases in the area of the knobbed shell 4 with a relatively large taper downwards. In contrast, the taper in the material of the second layer 26 is considerably lower.
  • the material thickness decreases less conical. In the flat region 2, the material thickness of the second layer 26 is greater than that of the first layer 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une bande à nopes (1) notamment destinée au bâtiment, et servant en particulier de bande de protection ou de drainage de mur de fondation. Ladite bande comporte une zone plate (2) et une pluralité de nopes faisant saillie par rapport à la zone plate (2), présentant une enveloppe de nopes (4) et éventuellement un revêtement de nopes (5). L'invention concerne également un procédé de fabrication d'une telle bande à nopes. L'invention vise à permettre une fabrication simple et économique de la bande à nopes, tout en garantissant une grande résistance de la bande. A cet effet, au moins une nope (3) présente, dans sa zone supérieure (8), un bourrelet faisant saillie sur une zone directement voisine et/ou un matériau secondaire présentant une limite d'étirage supérieure à celle du matériau brut principal dans la zone de nope inférieure (9) ou dans la zone plate (2), de telle manière qu'on obtient une zone présentant une plus grande force portante.
EP06776089.2A 2005-09-19 2006-06-28 Bande a nopes et procede de fabrication Active EP1926861B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510044800 DE102005044800B3 (de) 2005-09-19 2005-09-19 Noppenbahn, insbesondere für Bauzwecke und vorzugsweise zur Verwendung als Grundmauerschutz- oder Dränbahn, und Verfahren zur Herstellung einer solchen Noppenbahn
PCT/EP2006/006237 WO2007033712A1 (fr) 2005-09-19 2006-06-28 Bande a nopes et procede de fabrication

Publications (2)

Publication Number Publication Date
EP1926861A1 true EP1926861A1 (fr) 2008-06-04
EP1926861B1 EP1926861B1 (fr) 2014-02-26

Family

ID=37023139

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06776089.2A Active EP1926861B1 (fr) 2005-09-19 2006-06-28 Bande a nopes et procede de fabrication

Country Status (3)

Country Link
EP (1) EP1926861B1 (fr)
DE (1) DE102005044800B3 (fr)
WO (1) WO2007033712A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009053633A1 (de) 2009-11-17 2011-05-19 Droog, Stephan M. Noppenelement
DE102019004635A1 (de) * 2019-07-05 2021-01-07 Ewald Dörken Ag Entkopplungsbahn

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947499C2 (de) * 1979-11-24 1982-02-18 Ewald Dörken KG, 5804 Herdecke Durch mechanischen Druck zerstörungsfrei mit einer Nachbarfolie verbindbare Abdichtungsfolie für Bauzwecke
DE4005176A1 (de) * 1990-02-19 1991-08-22 Heinrich Willi Rosemeier Noppenfolie fuer das bauwesen
US5263792A (en) * 1992-10-26 1993-11-23 W. R. Grace & Co.-Conn. Finned subterranean drainage device and method for fabricating the same
US6004651A (en) * 1997-01-22 1999-12-21 Von Montgelas; Max Joseph Graf Composite slab made of plastic and method for its manufacture
EP0855478A3 (fr) * 1997-01-22 1998-12-30 Graf von Montgelas, Max Joseph Panneau composite en matière plastique et procédé pour sa fabrication
US7131788B2 (en) * 2000-02-10 2006-11-07 Advanced Geotech Systems High-flow void-maintaining membrane laminates, grids and methods
US6802668B2 (en) 2002-10-16 2004-10-12 Alton F. Parker Subterranean drainage system

Non-Patent Citations (1)

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Title
See references of WO2007033712A1 *

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Publication number Publication date
WO2007033712A1 (fr) 2007-03-29
DE102005044800B3 (de) 2007-03-15
EP1926861B1 (fr) 2014-02-26

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