EP0193605A1 - Foil material for controllable leakproof separation of the areas located on both of its sides. - Google Patents
Foil material for controllable leakproof separation of the areas located on both of its sides.Info
- Publication number
- EP0193605A1 EP0193605A1 EP85905061A EP85905061A EP0193605A1 EP 0193605 A1 EP0193605 A1 EP 0193605A1 EP 85905061 A EP85905061 A EP 85905061A EP 85905061 A EP85905061 A EP 85905061A EP 0193605 A1 EP0193605 A1 EP 0193605A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spacer
- foil material
- material according
- sides
- film
- 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
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
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/004—Sealing liners
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
Definitions
- Foil material for controllably tight separation of the areas on both sides.
- the invention relates to a flexible film material for controllably tight separation of the areas located on its two sides, for example to form a septic barrier in the ground to protect the groundwater from pollutants present in certain areas.
- the invention has for its object to provide a film material of the type mentioned that forms a double wall treatable as a unit.
- the solution according to the invention consists in the fact that the film material in the space between two closed films has a surface-connected spacer with flow cross sections open in the direction parallel to the film extension.
- This spacer is preferably made from a sheet material with a crosswise extension. protrusions formed. Conversely, it can also have depressions recessed transversely to its extent. The side flanks of the projections or depressions must be so steep in relation to the main direction of extension of the surface material that the foils cannot or do not lie so completely against the surface of the surface material located between them. that the flow cross sections formed by the projections or depressions can be closed.
- the design of the spacer as a lattice with at least two sets of essentially rectified strands, whose crossing or connecting points have a greater thickness than the individual strands, has proven particularly expedient, so that the projections mentioned at the crossing or connecting points are formed while there are recessed recesses therebetween.
- a typical example of such a spacer is a woven or knitted fabric or a one-piece grid with thickened connection points, as is preferably obtained by stretching a perforated plastic film in both surface directions, the webs lying between two holes being stretched, and the web between three or four next adjacent holes, the central surface area is less stretched as a connection point and therefore remains thicker.
- an open-pore surface material such as felt, an open-pore plastic film material or a porous granulate sintered product can also be used as a spacer.
- FIG. 1 shows a section through the film material according to the invention.
- Figure 2 is a view of the spacer
- FIG. 3 shows a view of the film material from which the spacer according to FIG. 2 was produced by stretching.
- the film material consists of two cover films 1 and the spacer 2, which according to FIG. 2 is formed from a grid of thin webs 3 and connecting points or crossing points 4 connecting them, which are thicker than the webs 3.
- This spacer comes about because a film of constant thickness, as shown in FIG. 3 and which is provided with regular rows of holes 5, is stretched in the two directions indicated by arrows in the hot-plastic state.
- the stresses in the area of the webs 3 'forming the narrowest cross section are greater than in area 4, so that the extension mainly relates to the webs while the surface areas 4 'located between four holes 5 are not deformed or are deformed only slightly and therefore remain thicker, as can be seen in FIG. 1.
- the cover films 1 consist, for example, of polyethylene with a thickness of preferably 1-5 mm.
- the maximum thickness of the spacer 2, which advantageously also consists of polyethylene, can be of the same order of magnitude. Otherwise, a film section for forming a seepage barrier wall in the ground from the material according to the invention can be designed as described and shown in the prior art, unpublished German patent application P 34 16 568.
- the cover foils 1 are expediently connected to one another on all sides by a circumferential edge seam, so that the space between them is tightly enclosed. This space can be tapped anywhere to check the medium in it.
- the pollutants to be monitored are vaporizable, it may be sufficient to attach a vacuum connection to the upper edge of the foil material sunk into the earth, via which " or the samples of the atmosphere in the space can be taken or checked continuously or periodically. If samples are in a liquid state must be removed, a sampling hose can be led from a sampling point provided at the upper edge to the lower area of the material intermediate space, so that samples can be sucked out of the liquid accumulating there.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Laminated Bodies (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Un matériau pelliculaire souple est utilisé pour séparer de façon étanche et réglable des zones se trouvant de ses deux côtés, par exemple dans le cas d'une paroi séparatrice de drainage. Dans l'espace intermédiaire entre deux pellicules fermées est agencé un écarteur plat connecté qui forme une section transversale ouverte d'écoulement parallèle à la longueur de la pellicule, de sorte que toute substance nuisible qui penètre dans l'espace intermédiaire par n'importe quel endroit est déviée vers un autre endroit et peut être ainsi reconnue.A flexible film material is used to sealably and adjustably separate areas on its two sides, for example in the case of a drainage dividing wall. In the intermediate space between two closed films is arranged a connected flat spacer which forms an open cross-section of flow parallel to the length of the film, so that any harmful substance which enters the intermediate space through any location is diverted to another location and can thus be recognized.
Description
Folie iaterial zum kontrollierbar dichten Trennen der auf seinen beiden Seiten befindlichen Bereiche.Foil material for controllably tight separation of the areas on both sides.
Die Erfindung bezieht sich auf ein flexibles Folienmaterial zum kontrollierbar dichten Trennen der auf seinen beiden Seiten befindlichen Bereiche, beispielsweise zur Bildung einer Sickersperrwand im Boden zum Schutz des Grundwassers vor bereichsweise anwesenden Schadstoffen.The invention relates to a flexible film material for controllably tight separation of the areas located on its two sides, for example to form a septic barrier in the ground to protect the groundwater from pollutants present in certain areas.
Es ist bekannt, eine solche Sperrwand doppelwandig auszubil¬ den und im Zwischenraum eine Sandschüttung mit Proberohren vorzusehen, durch die das Vorhandensein etwaiger Schadstoffe festgestellt werden kann, nachdem sie durch ein Leck in einen Wandteil hindurch gelangt sind und bevor sie auch den anderen Wandteil in den zu schützenden Grundwasserbereich durchdrin¬ gen können (Prospekt "ENVIROWALL" der Schlegel Lining Tech¬ nology Inc.). Jedoch ist die Behandlung einer solchen bekann¬ ten Doppelfolie schwierig, weil zwei Folien in den im Erd¬ reich vorgesehenen Schlitzgraben und zwischen diesen auch noch die Sandschüttung eingebracht werden müssen.It is known to design such a barrier wall with double walls and to provide a sand fill with test tubes in the intermediate space, by means of which the presence of any pollutants can be determined after they have leaked into one wall part and before they also enter the other wall part into the to penetrate the protected groundwater area (brochure "ENVIROWALL" from Schlegel Lining Technology Inc.). However, the treatment of such a known double film is difficult because two films have to be introduced into the slot trench provided in the ground and between them the bed of sand.
Der Erfindung liegt die Aufgabe zugrunde, ein Folienmaterial der eingangs genannten Art zu schaffen, das eine als Einheit behandelbare Doppelwand bildet.The invention has for its object to provide a film material of the type mentioned that forms a double wall treatable as a unit.
Die erfindungsgemäße Lösung besteht darin, daß das Folien¬ material im Zwischenraum zwischen zwei geschlossenen Folien einen flächig zusammenhängenden Abstandshalter mit in Rich¬ tung parallel zur Folienerstreckung offenen Fließquerschnitten aufweist. Vorzugsweise wird dieser Abstandshalter von einem Flächenmaterial mit quer zu seiner Erstreckung sich erhe-
benden Vorsprüngen gebildet. Umgekehrt kann er auch quer zu seiner Erstreckung eingesenkte Vertiefungen aufweisen. Die Seitenflanken der Vorsprünge beziehungsweise Vertiefungen müssen so steil im Verhältnis zur Haupterstreckungsrichtung des Flächenmaterial sein, daß die Folien sich nicht so voll¬ ständig an die Oberfläche des dazwischen befindlichen Flächen¬ materials anlegen könnenbzw. daß die vonden Vorsprüngen be¬ ziehungsweise Vertiefungen gebildeten Fließquerschnitte ge¬ schlossen werden können.The solution according to the invention consists in the fact that the film material in the space between two closed films has a surface-connected spacer with flow cross sections open in the direction parallel to the film extension. This spacer is preferably made from a sheet material with a crosswise extension. protrusions formed. Conversely, it can also have depressions recessed transversely to its extent. The side flanks of the projections or depressions must be so steep in relation to the main direction of extension of the surface material that the foils cannot or do not lie so completely against the surface of the surface material located between them. that the flow cross sections formed by the projections or depressions can be closed.
Besonders zweckmäßig hat sich die Ausführung des Abstands¬ halters als Gitter mit wenigstens zwei Scharen von im wesent¬ lichen gleichgerichteten Strängen erwiesen, deren Kreuzungs¬ oder Verbindungspunkte eine größere Dicke als die einzelnen Stränge aufweisen, so daß an den Kreuzungs- beziehungsweise Verbindungspunkten die erwähnten Vorsprünge gebildet werden, während dazwischen-eingesenkte Vertiefungen vorhanden sind. Ein typisches Beispiel für einen solchen Abstandshalter ist ein Gewebe oder Gewirk oder ein einstückig ausgeführtes Gitter mit verdickten Verbindungspunkten, wie es vorzugsweise dadurch erhalten wird, daß eine gelochte Kunststoffolie in beiden Flächenrichtungen gestreckt wird, wobei die zwischen jeweils zwei Löchern liegenden Stege gestrecktund der zwischen drei oder vier nächstbenachbarten Löchern liegende, mittlere Flä¬ chenbereich als Verbindungspunkt weniger stark gestreckt und daher dicker bleibt.The design of the spacer as a lattice with at least two sets of essentially rectified strands, whose crossing or connecting points have a greater thickness than the individual strands, has proven particularly expedient, so that the projections mentioned at the crossing or connecting points are formed while there are recessed recesses therebetween. A typical example of such a spacer is a woven or knitted fabric or a one-piece grid with thickened connection points, as is preferably obtained by stretching a perforated plastic film in both surface directions, the webs lying between two holes being stretched, and the web between three or four next adjacent holes, the central surface area is less stretched as a connection point and therefore remains thicker.
Schließlich kommt als Abstandshalter auch ein offenporiges Flächenmaterial in Frage wie beispielsweise Filz, ein offen¬ poriges Kunststoffolienmaterial oder ein poröses Granulat Sinterprodukt.
Die Erfindung wird im Folgenden näher unter Bezugnahme auf die Zeichnung erläutert, die ein vorteilhaftes Ausführungs¬ beispiel veranschaulicht. Darin zeigen:Finally, an open-pore surface material such as felt, an open-pore plastic film material or a porous granulate sintered product can also be used as a spacer. The invention is explained in more detail below with reference to the drawing, which illustrates an advantageous embodiment. In it show:
Figur 1 einen Schnitt durch das erfindungsgemäße Folienma¬ terial -FIG. 1 shows a section through the film material according to the invention.
Figur 2 eine Ansicht des AbstandshaltersFigure 2 is a view of the spacer
Figur 3 eine Ansicht des Folienmaterials, aus dem der Abstands¬ halter gemäß Figur 2 durchVerstreckung erzeugt wurde.3 shows a view of the film material from which the spacer according to FIG. 2 was produced by stretching.
Das Folienmaterial besteht aus zwei Deckfolien 1 und dem Ab¬ standshalter 2, der gemäß Figur 2 aus einem Gitter von dünnen Stegen 3 und diese verbindenden Verbindungspunkten oder Kreu¬ zungspunkten 4 gebildet ist, die dicker als die Stege 3 sind. Dieser Abstandshalter kommt dadurch zustande, daß eine Folie von konstanter Dicke, wie sie in Figur 3 gezeigt ist und die mit regelmäßigen Reihen von Löchern 5 versehen ist, in den beiden durch Pfeile angedeuteten Richtungen im warmplastischen Zustand gedehnt wird. Wie sich ohne weiters aus einer Betrach¬ tung der Größe der durch die Streckspannungen beanspruchten Querschnitte ergibt, sind die Spannungen im Bereich der dem engsten Querschnitt bildenden Stege 3 ' größer als im Bereich 4 so daß die Streckung sich hauptsächlich auf die Stege bezieht, während die jeweils zwischen vier Löchern 5 befindlichen Flächenbereiche 4 ' nicht oder nur weniger verformt werden und daher dicker bleiben, wie man es in Figur 1 erkennt.The film material consists of two cover films 1 and the spacer 2, which according to FIG. 2 is formed from a grid of thin webs 3 and connecting points or crossing points 4 connecting them, which are thicker than the webs 3. This spacer comes about because a film of constant thickness, as shown in FIG. 3 and which is provided with regular rows of holes 5, is stretched in the two directions indicated by arrows in the hot-plastic state. As can easily be seen from a consideration of the size of the cross sections claimed by the yield stresses, the stresses in the area of the webs 3 'forming the narrowest cross section are greater than in area 4, so that the extension mainly relates to the webs while the surface areas 4 'located between four holes 5 are not deformed or are deformed only slightly and therefore remain thicker, as can be seen in FIG. 1.
Es ist möglich, die Deckfolien 1 mit dem Abstandshalter 2It is possible to cover 1 with the spacer 2nd
, fest zu verbinden, beispielsweise durch Schweißung an den verdickten Knotenpunkten 4. Notwendig ist dies in den meisten Fällen jedoch nicht, weil schon die flache Aufeinanderlage der drei Bauteile eine bequeme gemeinsame Handhabbarkeit ergibt.
Die Deckfolien 1 bestehen beispielsweise aus Polyethylen in einer Dicke von vorzugsweise 1 - 5 mm. In derselben Größen¬ ordnung kann die maximale Dicke des Abstandshalters 2 liegen, der zweckmäßigerweise ebenfalls aus Polyethylen besteht. Im übrigen kann ein Folienabschnitt zur Bildung einer Sicker¬ sperrwand im Erdboden aus dem erfindungsgemäßen Material so gestaltet sein, wie dies in der zum Stand der Technik gehöri¬ gen, nicht vorveröffentlichten deutschen Patentanmeldung P 34 16 568 beschrieben und dargestellt ist. Die Deckfolien 1 sind zweckmäßigerweise durch eine umlaufende Randnaht all¬ seitig miteinander verbunden, so daß der Raum zwischen ihnen dicht eingeschlossen ist. An beliebiger Stelle kann dieser Raum zur Prüfung des darin befindlichen Mediums angezapft werden. Wenn beispielsweise die zu überwachenden Schadstoffe verdampfbar sind, kann es genügen, an den oberen Rand des in die Erde eingesenkten Folienmaterials einen Vakuumanschluß anzubringen, über" den ständig oder periodisch Proben der im Zwischenraum befindlichen Atmosphäre entnommen und überprüft werden können. Wenn Proben in flüssigem Zustand abgezogen werden müssen, kann von einer am oberen Rand vorgesehenen Entnahmestelle ein Entnahmeschlauch bis in den unteren Bereich des MaterialZwischenraums geführt werden, damit von der dort sich ansammelnden Flüssigkeit Proben abgesaugt werden können.to be firmly connected, for example by welding at the thickened nodes 4. In most cases, however, this is not necessary, because the flat stacking of the three components already results in easy handling. The cover films 1 consist, for example, of polyethylene with a thickness of preferably 1-5 mm. The maximum thickness of the spacer 2, which advantageously also consists of polyethylene, can be of the same order of magnitude. Otherwise, a film section for forming a seepage barrier wall in the ground from the material according to the invention can be designed as described and shown in the prior art, unpublished German patent application P 34 16 568. The cover foils 1 are expediently connected to one another on all sides by a circumferential edge seam, so that the space between them is tightly enclosed. This space can be tapped anywhere to check the medium in it. If, for example, the pollutants to be monitored are vaporizable, it may be sufficient to attach a vacuum connection to the upper edge of the foil material sunk into the earth, via which " or the samples of the atmosphere in the space can be taken or checked continuously or periodically. If samples are in a liquid state must be removed, a sampling hose can be led from a sampling point provided at the upper edge to the lower area of the material intermediate space, so that samples can be sucked out of the liquid accumulating there.
Schließlich ist es auch möglich, den Materialzwischenraum mit Stoffen zu füllen, die etwa eindringende Schadstoffe absorbie¬ ren oder zerstören und dadurch in solcher Weise unschädlich machen, daß sie aus dem Material nicht in Richtung auf die zu schützende Bodenzone auswandern können.Finally, it is also possible to fill the intermediate space with substances which absorb or destroy any penetrating pollutants and thereby render them harmless in such a way that they cannot migrate from the material in the direction of the soil zone to be protected.
wSa
wha
Claims
1. Flexibles Folienmaterial zum kontrollierbar dichten Trennen der auf seinen beiden Seiten befindlichen Be¬ reiche, dadurch gekennzeichnet, daß es im Zwischen¬ raum zwischen zwei geschlossenen Folien (1) einen flä¬ chig zusammenhängenden Abstandshalter (2) mit in Rich¬ tung parallel zur Folienerstreckung offenen Fließquer- schnitten aufweist.1. Flexible film material for controllably tight separation of the areas located on its two sides, characterized in that there is a flat, contiguous spacer (2) in the space between two closed films (1) with parallel to the direction Film stretch has open flow cross sections.
2. Folienmaterial nach Anspruch 1, dadurch gekennzeichnet, daß der Abstandshalter (2) von einem Flächenmaterial mit quer zu seiner Erstreckung sich erhebenden Vor¬ sprüngen (4) gebildet ist. 2. Foil material according to claim 1, characterized in that the spacer (2) is formed from a surface material with transversely extending to its extension projections (4).
3. Folienmaterial nach Anspruch 1, dadurch gekennzeichnet, daß der Abstandshalter (2) von einem Flächenmaterial mit quer zu seiner Erstreckung eingesenkten Vertiefun¬ gen (3) gebildet ist.3. Foil material according to claim 1, characterized in that the spacer (2) is formed from a surface material with recesses transverse to its extent recessed (3).
4. Folienmaterial nach Anspruch 3, dadurch gekennzeichnet, daß der Abstandshalter (2) Durchbrechungen (5) aufweist.4. Foil material according to claim 3, characterized in that the spacer (2) has openings (5).
5. Folienmaterial nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Abstandshalter (2) ein Gitter mit wenigstens zwei Scharen von im wesentlichen gleichgerich¬ teten Strängen (3) ist, deren Kreuzungs- oder Verbindungs¬ punkte (4) eine größere Dicke als die einzelnen Stränge (3) aufweisen.5. Foil material according to one of claims 1 to 4, characterized in that the spacer (2) is a grid with at least two groups of essentially identically oriented strands (3), the crossing or connecting points (4) of which is larger Thickness than the individual strands (3).
6. Folienmaterial nach einem der Ansprüche 1 bis 5 , dadurch gekennzeichnet, daß der Abstandshalter (2) ein offenporiges Folienmaterial ist. 6. Film material according to one of claims 1 to 5, characterized in that the spacer (2) is an open-pore film material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT85905061T ATE38868T1 (en) | 1984-09-05 | 1985-09-05 | FILM MATERIAL FOR CONTROLLABLE TIGHT SEPARATION OF THE AREAS LOCATED ON BOTH OF ITS SIDES. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19843432642 DE3432642A1 (en) | 1984-09-05 | 1984-09-05 | FILM MATERIAL FOR CONTROLLABLE SEALING SEPARATE THE AREAS ON ITS BOTH SIDES |
| DE3432642 | 1984-09-05 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0193605A1 true EP0193605A1 (en) | 1986-09-10 |
| EP0193605B1 EP0193605B1 (en) | 1988-11-23 |
| EP0193605B2 EP0193605B2 (en) | 1991-10-23 |
Family
ID=6244711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85905061A Expired - Lifetime EP0193605B2 (en) | 1984-09-05 | 1985-09-05 | Foil material for controllable leakproof separation of the areas located on both of its sides |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0193605B2 (en) |
| JP (1) | JPS62500163A (en) |
| AU (1) | AU4951985A (en) |
| CA (1) | CA1238197A (en) |
| DE (2) | DE3432642A1 (en) |
| WO (1) | WO1986001554A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607525A1 (en) * | 1986-03-07 | 1987-09-10 | Niederberg Chemie | BREAK DETECTOR ON A SLOT WALL |
| CA1303863C (en) * | 1986-06-23 | 1992-06-23 | Walter Van Woudenberg | Pressure barrier liner |
| DE3632951A1 (en) * | 1986-09-27 | 1988-03-31 | Dynamit Nobel Ag | FLEXIBLE SEALING COATING |
| DE3714743A1 (en) * | 1987-05-02 | 1988-11-17 | Holzmann Philipp Ag | Landfill site with a landfill base which can be monitored |
| DE3717586C2 (en) * | 1987-05-25 | 1996-04-04 | Huels Troisdorf | Landfill sealing |
| DE3720519A1 (en) * | 1987-06-20 | 1988-12-29 | Flachglas Ag | SEALING STRUCTURE FROM A VERTICAL SLOT WALL AND A SEALING WALL ARRANGED THEREOF |
| DE8902963U1 (en) * | 1989-03-10 | 1990-07-12 | Niederberg-Chemie GmbH, 4133 Neukirchen-Vluyn | Drainage mat |
| DE4038962A1 (en) * | 1990-12-06 | 1992-06-11 | Akzo Gmbh | USE OF A PROTECTIVE MAT FOR SEALING |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3310453A (en) * | 1960-12-05 | 1967-03-21 | Bjorksten Res Lab Inc | Tear resistant material |
| FR1577294A (en) * | 1968-02-02 | 1969-08-08 | ||
| DE2237707A1 (en) * | 1972-08-01 | 1974-02-07 | Bayer Ag | DRAINAGE ELEMENT FOR EARTH AND GROUND HYDRAULIC ENGINEERING |
| DE2545762A1 (en) * | 1975-10-13 | 1977-04-21 | Rosemeier Kg | Flexible hollow body made of plastic films - with cavity for drainage, heat insulation, or buffer layer in package |
| DE2546753A1 (en) * | 1975-10-18 | 1977-04-28 | Isogleitchemie Handels Gmbh | Slip foil for buildings and roads - comprising foil pair superimposed over intermediary thin pref. PTFE foil |
| US4170675A (en) * | 1977-05-02 | 1979-10-09 | Flexipane Limited | Reinforced flexible panels comprising plastic sheeting on opposed sides of a mesh layer and a metal foil layer in association with a plastic sheet layer |
-
1984
- 1984-09-05 DE DE19843432642 patent/DE3432642A1/en not_active Withdrawn
-
1985
- 1985-09-04 CA CA000489980A patent/CA1238197A/en not_active Expired
- 1985-09-05 JP JP60504535A patent/JPS62500163A/en active Pending
- 1985-09-05 WO PCT/EP1985/000449 patent/WO1986001554A1/en active IP Right Grant
- 1985-09-05 AU AU49519/85A patent/AU4951985A/en not_active Abandoned
- 1985-09-05 DE DE8585905061T patent/DE3566425D1/en not_active Expired
- 1985-09-05 EP EP85905061A patent/EP0193605B2/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8601554A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3432642A1 (en) | 1986-03-13 |
| JPS62500163A (en) | 1987-01-22 |
| AU4951985A (en) | 1986-03-24 |
| WO1986001554A1 (en) | 1986-03-13 |
| CA1238197A (en) | 1988-06-21 |
| DE3566425D1 (en) | 1988-12-29 |
| EP0193605B2 (en) | 1991-10-23 |
| EP0193605B1 (en) | 1988-11-23 |
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Legal Events
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