DE4329957A1 - Drainage mat made of natural fibres - includes nonwoven consisting of wood fibres that are stuck together - Google Patents
Drainage mat made of natural fibres - includes nonwoven consisting of wood fibres that are stuck togetherInfo
- Publication number
- DE4329957A1 DE4329957A1 DE4329957A DE4329957A DE4329957A1 DE 4329957 A1 DE4329957 A1 DE 4329957A1 DE 4329957 A DE4329957 A DE 4329957A DE 4329957 A DE4329957 A DE 4329957A DE 4329957 A1 DE4329957 A1 DE 4329957A1
- Authority
- DE
- Germany
- Prior art keywords
- mat
- drainage
- drainage mat
- mat according
- fibres
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4266—Natural fibres not provided for in group D04H1/425
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/52—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by applying or inserting filamentary binding elements
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
- D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cultivation Of Plants (AREA)
Abstract
Description
Gegenstand der Erfindung ist eine Dränage-Matte aus natür lichem Fasermaterial. Sie soll insbesondere geeignet sein, Oberflächenwasser hindurchzulassen und gegebenenfalls in eine Richtung zu lenken.The invention relates to a drainage mat made of natural fiber material. It should be particularly suitable Allow surface water to pass through and if necessary to steer one direction.
Bekannte Matten mit Dräneigenschaften haben vielfältige Einsatzzwecke. Die DE 36 31 716 offenbart eine Trägerkon struktion für eine Vegetation, die aus drei Schichten be steht. Von den drei Schichten bestehen die obere und unte re aus einem Gewebe oder Vlies und die mittlere ist eine Trägerschicht aus verrottbarem Material. Die Trägerkon struktion ist in der Lage, Wasser zu führen und in der mittleren Schicht ein Wurzelwerk aufzunehmen. Für die obe re und untere Schicht ist als Material Kunststoff, Glas faser oder Jute vorgesehen. Die Matte wird als Erosions schutzmatte oder als Begrünungsmatte verwendet.Known mats with drainage properties have many Purposes. DE 36 31 716 discloses a carrier con structure for vegetation consisting of three layers stands. The top and bottom of the three layers exist re made of a fabric or fleece and the middle one is one Carrier layer made of rotten material. The carrier con structure is able to carry and in the water middle layer to take up a root system. For the above right and lower layer is made of plastic, glass fiber or jute provided. The mat is called erosion protective mat or used as a greening mat.
Weiterhin sind senkrechte Dränschichten bekannt, die z. B. Kelleraußenwände vor Sickerwasser schützen oder in Acker böden eine senkrechte Durchdringung von wasserundurchläs sigen Schichten ermöglichen. Für solche Dränschichten wer den nach heutigem Stand der Technik lose Kiesschüttungen, Betonfilterkörper und Styropor-Sickerplatten benutzt.Furthermore, vertical drainage layers are known, the z. B. Protect the basement outer walls from leachate or in fields a vertical penetration of water-impermeable enable layers. For such drainage layers who the loose gravel fillings according to the current state of the art, Concrete filter body and polystyrene seepage panels used.
Die Nachteile der Erosionsschutzmatten und der Begrünungs matten nach dem Stand der Technik sind der hohe Material einsatz und Herstellungsaufwand sowie der hohe Anteil an Kunststoffmaterial, welches schwierig und aufwendig zu entsorgen ist.The disadvantages of erosion control mats and greening State-of-the-art mats are the high material use and manufacturing costs as well as the high proportion of Plastic material, which is difficult and expensive is to be disposed of.
Die Nachteile bekannter senkrechter Dränschichten sind ho her Herstellungsaufwand und hohes Gewicht bei losen Kies schüttungen und Betonfilterkörpern und bei Styropor- Sickerplatten das Entsorgungsproblem des nicht verrotten den Kunststoffes sowie dessen aufwendige Herstellung und Verlegung. Eine Endlosverlegung ist nicht möglich.The disadvantages of known vertical drainage layers are high manufacturing costs and high weight for loose gravel fillings and concrete filter bodies and with polystyrene Seepage panels do not rot the disposal problem of the the plastic and its elaborate production and Laying. Continuous laying is not possible.
Davon ausgehend liegt der Erfindung die Aufgabe zugrunde, eine verbesserte Dränschicht zu schaffen, die weitgehend natürliches Material verwendet, eine geringe Dichte auf weist, gute Wasserführungseigenschaften hat, einfach und unaufwendig herzustellen ist, einfach zu verlegen ist und leicht mit weiteren Schichten kombiniert werden kann.Proceeding from this, the object of the invention is to create an improved drainage layer that largely natural material used, low density has good water management properties, simple and is inexpensive to manufacture, is easy to install and can be easily combined with other layers.
Diese Aufgabe wird gemäß den Merkmalen im Anspruch 1 ge löst.This object is ge according to the features in claim 1 solves.
Die erfindungsgemäße Dränage-Matte aus weitgehend natürli chem Material in Form von mit Bindemittel beschichteter und verklebter Holzwolle bildet eine Dränageschicht gerin ger Dichte und guter Wasserführungseigenschaften und ist längerfristig biologisch abbaubar. Verglichen mit den be kannten Naturfasern wie etwa Kokos oder Jute weist die Holzwolle wesentlich gröbere Fasern auf, die aufgrund der Beschichtung derart verklebt sind, daß größere Zwischen räume zwischen den Fasern bestehen. Dies ermöglicht eine vergleichbar geringe Dichte und einen geringen Strömungs widerstand für abzuführendes Wasser in der Schichtebene, d. h. eine hohe Wasserführungskapazität. Aufgrund der Holz spaneigenschaften und der Verklebung zu einem Vlies wird eine relativ hohe Druckfestigkeit erreicht. Es ist außer dem außerordentlich elastisch und flexibel, was die Verle gung erleichtert. Die Matte kann einfach und ohne großen Aufwand hergestellt und als Endlosmaterial zu einer Rolle gewickelt werden. Sie ist daher einfach zu verlegen.The drainage mat according to the invention from largely natural chem material in the form of coated with binder and glued wood wool forms a drainage layer density and good water management properties and is biodegradable in the long term. Compared to the be known natural fibers such as coconut or jute Wood wool has much coarser fibers, which due to the Coating are glued in such a way that larger intermediate there are spaces between the fibers. This enables one comparably low density and low flow resistance for water to be drained off in the layer plane, d. H. a high water flow capacity. Because of the wood chip properties and the bond becomes a fleece achieved a relatively high compressive strength. It is except the extraordinarily elastic and flexible what the Verle relieved. The mat can be done easily and without large Manufactured effort and as a continuous material to a roll be wrapped. It is therefore easy to install.
Die erfindungsgemäße Dränage-Matte läßt sich leicht mit Lagen anderer Stoffe verbinden, z. B. durch Steppen, um sie verschiedenen Einsatzbereichen zuzuführen.The drainage mat according to the invention is easy to use Connect layers of other substances, e.g. B. by quilting to them to supply different areas of application.
Das natürliche Fasermaterial ist geeignet, Wurzelwerk auf zunehmen. Wird die erfindungsgemäße Matte mit einer weite ren Schicht aus einem dichteren natürlichen Material ver sehen, welches Samen und/oder Pflanzenteile aufnehmen kann, so ist eine begrünbare Vegetationsschicht gebildet. Die Einbringung von Samen und/oder Pflanzenteilen kann vor oder nach der Verlegung stattfinden. Eine Matte nach der Erfindung kann für Erosionsschutzschichten oder Begrü nungsmatten verwendet werden. Für die Verwendung bei Be grünungsmatten auf Dächern kann es zweckmäßig sein, diese mit mindestens einer für Wurzeln undurchlässigen Schicht an der Unterseite zu versehen. Auf der Holzwollschicht wird eine Schicht aus organischen oder anorganischen Fa sern aufgebracht und z. B. durch Steppen verbunden, die als Vegetationstragschicht dient.The natural fiber material is suitable to root up increase. If the mat according to the invention with a wide layer made of a denser natural material see which seeds and / or parts of plants absorb can, a vegetable layer of vegetation is formed. The introduction of seeds and / or parts of plants can before or take place after the laying. One mat after the Invention can be used for anti-erosion coatings or greetings mats can be used. For use at Be Greening mats on roofs can be useful with at least one layer impermeable to roots to be provided at the bottom. On the wood wool layer a layer of organic or inorganic Fa sern applied and z. B. connected by steppes that as Vegetation base layer serves.
Bei der Verwendung der Matte als Erosionsschutzschicht ist eine Durchsetzung der Matte mit Wurzeln und das Eindringen der Wurzeln in den Boden erwünscht. Allerdings sollte die Wasserführung im wesentlichen auf die Dränageschicht be schränkt bleiben. Zu diesem Zweck kann eine dichtere Fa serschicht oder eine wasserundurchlässige Schicht zwischen Holzwollvlies und Boden angeordnet werden. Weiterhin kann die Matte mit Mitteln zur Befestigung am Boden ausgestat tet werden.When using the mat as an erosion control layer enforcement of the mat with roots and penetration the roots in the soil are desired. However, the Water flow essentially on the drainage layer stay restricted. For this purpose, a denser company layer or an impermeable layer between Wood wool fleece and floor can be arranged. Furthermore can equipped the mat with means for attachment to the floor be tested.
Bei der Verwendung als Senkrecht-Dränagematte ist ihre Ausbildung als Endlosmatte vorteilhaft, da sie eine schnelle und kostengünstige sowie flexible Verlegung um Ecken von Bauwerken ermöglicht. Weiterhin ist die hohe Druckfestigkeit gegenüber Anfüllungen von Erdreich vor teilhaft. Die hydraulische Filterwirkung läßt sich über die Ausbildung des Porenraumgefüges entsprechend dem Bo dengefüge anpassen. Bei der Zersetzung der Matte nach etwa 8 bis 12 Jahren baut sich im Erdreich ein bodeneigener Filter auf, der die weitere Funktion gewährleistet.When used as a vertical drainage mat is yours Training as an endless mat is advantageous because it is a fast, inexpensive and flexible laying around Corners of buildings. Furthermore, the high one Compressive strength against soil fillings partial. The hydraulic filter effect can be over the formation of the pore space structure according to the Bo adjust the structure. When the mat decomposes after about 8 to 12 years old a soil is built in the ground Filter that ensures the further function.
Weitere Einzelheiten und Vorteile des Erfindungsgegenstan des ergeben sich aus der nachfolgenden Beschreibung in Verbindung mit Zeichnungen. In den Zeichnungen zeigen:Further details and advantages of the subject of the invention that result from the following description in Connection with drawings. The drawings show:
Fig. 1 eine Begrünungsmatte; und Fig. 1 is a planting mat; and
Fig. 2 eine Dränagewand. Fig. 2 shows a drainage wall.
In Fig. 1 wird eine Begrünungsmatte dargestellt. Sie weist eine erste Schicht in Form einer Holzwollmatte 1 auf, die aus einem Vlies aus mit Latex beschichteter Holzwolle be steht. Auf der Holzwollmatte 1 liegt eine Vegetationsmatte 2 z. B. aus Steinwolle, die zum Anwachsen von Pflanzen 3 geeignete Bedingungen aufweist. Die Holzwollmatte 1 und die Vegetationsmatte 2 sind durch Steppfäden 4 miteinander verbunden. Wasser 5 dringt durch die Vegetationsmatte 2 zur Holzwollmatte 1 und wird in dieser Dränageschicht ab geführt, wie durch Pfeile angedeutet. Die Begrünungsmatte ist auf einem Dach 6 verlegt. Die Holzwollmatte 1 ist in der Lage, große Wassermengen aufzunehmen und schnell abzu führen.In Fig. 1 a greening mat is shown. It has a first layer in the form of a wood wool mat 1 , which consists of a fleece made of latex-coated wood wool. On the wooden wool mat 1 is a vegetation mat 2 z. B. from rock wool, which has 3 suitable conditions for growing plants. The wood wool mat 1 and the vegetation mat 2 are connected to one another by quilting threads 4 . Water 5 penetrates through the vegetation mat 2 to the wood wool mat 1 and is carried off in this drainage layer, as indicated by arrows. The greening mat is laid on a roof 6 . The wood wool mat 1 is able to absorb large amounts of water and quickly lead away.
Die Vegetationsmatte wird vor der Begrünung in einem sepa raten Arbeitsschritt mit der Holzwollmatte zu einer Ein heit versteppt.The vegetation mat is in a sepa before greening advise working step with the wooden wool mat to an on quilted.
In Fig. 2 wird eine Matte 1a als Dränagewand eingesetzt. Sie besteht aus einer Holzwollmatte, die ein Vlies aus mit einem Bindemittel beschichteter Holzwolle aufweist. Die Holzwollmatte 1a ist zwischen Erdreich 7 und Mauerwerk 8 angebracht, wobei das Mauerwerk 8 gegen die Holzwollmatte 1a mittels einer Abdichtung 9 isoliert ist. Oberhalb der Holzwollmatte 1a ist Kies 10 aufgefüllt. In den Boden ein dringendes Wasser (Pfeile 5) wird durch die Holzwollmatte 1a senkrecht nach unten abgeführt und über einen filter stabilen Kies 11 einem Dränrohr 12 zugeführt, das auf der Höhe des Fundamentes 13 liegt und das Wasser abführt.In Fig. 2, a mat 1 a is used as a drainage wall. It consists of a wooden wool mat, which has a fleece made of wood wool coated with a binder. The wood wool mat 1 a is attached between the soil 7 and masonry 8 , the masonry 8 being insulated from the wood wool mat 1 a by means of a seal 9 . Gravel 10 is filled in above the wood wool mat 1 a. In the ground an urgent water (arrows 5 ) is discharged vertically downwards through the wooden wool mat 1 a and fed through a filter-stable gravel 11 to a drainage pipe 12 , which is at the level of the foundation 13 and drains the water.
Bei der Zersetzung der Matte nach etwa 8 bis 12 Jahren baut sich im Erdreich ein bodeneigener Filter auf und ge währleistet die weitere Dränagefunktion.When the mat breaks down after about 8 to 12 years a soil filter is built up in the ground and ge ensures the further drainage function.
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4329957A DE4329957A1 (en) | 1992-09-25 | 1993-09-04 | Drainage mat made of natural fibres - includes nonwoven consisting of wood fibres that are stuck together |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9212955U DE9212955U1 (en) | 1992-09-25 | 1992-09-25 | Drainage mat |
DE4329957A DE4329957A1 (en) | 1992-09-25 | 1993-09-04 | Drainage mat made of natural fibres - includes nonwoven consisting of wood fibres that are stuck together |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4329957A1 true DE4329957A1 (en) | 1994-03-31 |
Family
ID=6884157
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9212955U Expired - Lifetime DE9212955U1 (en) | 1992-09-25 | 1992-09-25 | Drainage mat |
DE4329957A Withdrawn DE4329957A1 (en) | 1992-09-25 | 1993-09-04 | Drainage mat made of natural fibres - includes nonwoven consisting of wood fibres that are stuck together |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9212955U Expired - Lifetime DE9212955U1 (en) | 1992-09-25 | 1992-09-25 | Drainage mat |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE9212955U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19623731A1 (en) * | 1996-06-13 | 1997-12-18 | Siegfried Bayer | Method for installing insulation on outer surface of a wall below ground level |
DE19630830A1 (en) * | 1996-07-31 | 1998-02-05 | Dernbach Heinrich Gmbh | Roof covering vegetation growth |
WO1998057534A1 (en) | 1997-06-17 | 1998-12-23 | Wolfgang Behrens | Vegetation support consisting of a mat of entangled organic fibres |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4334042A1 (en) * | 1993-10-06 | 1995-04-13 | Poligras Belagsysteme Gmbh | Mat for sports and games |
-
1992
- 1992-09-25 DE DE9212955U patent/DE9212955U1/en not_active Expired - Lifetime
-
1993
- 1993-09-04 DE DE4329957A patent/DE4329957A1/en not_active Withdrawn
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19623731A1 (en) * | 1996-06-13 | 1997-12-18 | Siegfried Bayer | Method for installing insulation on outer surface of a wall below ground level |
DE19630830A1 (en) * | 1996-07-31 | 1998-02-05 | Dernbach Heinrich Gmbh | Roof covering vegetation growth |
DE19630830C2 (en) * | 1996-07-31 | 2002-03-07 | Heinrich Dernbach Inh Bernhard | Green roof and method of manufacture |
WO1998057534A1 (en) | 1997-06-17 | 1998-12-23 | Wolfgang Behrens | Vegetation support consisting of a mat of entangled organic fibres |
DE19725403A1 (en) * | 1997-06-17 | 1998-12-24 | Wolfgang Behrens | Vegetation support, consisting of a mat of interlaced organic fibers |
DE19725403C2 (en) * | 1997-06-17 | 1999-05-27 | Wolfgang Behrens | Vegetation support, consisting of a mat of interlaced organic fibers |
US6351911B1 (en) | 1997-06-17 | 2002-03-05 | Wolfgang Behrens | Vegetation support consisting of a mat of entangled organic fibers |
Also Published As
Publication number | Publication date |
---|---|
DE9212955U1 (en) | 1992-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee | ||
8170 | Reinstatement of the former position | ||
8139 | Disposal/non-payment of the annual fee |