EP0304711A1 - Bahnförmiger, vegetationshemmender Erdbodenbelag - Google Patents
Bahnförmiger, vegetationshemmender Erdbodenbelag Download PDFInfo
- Publication number
- EP0304711A1 EP0304711A1 EP88112828A EP88112828A EP0304711A1 EP 0304711 A1 EP0304711 A1 EP 0304711A1 EP 88112828 A EP88112828 A EP 88112828A EP 88112828 A EP88112828 A EP 88112828A EP 0304711 A1 EP0304711 A1 EP 0304711A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- floor covering
- layer
- covering according
- plastic film
- wind protection
- 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
- 239000003112 inhibitor Substances 0.000 title 1
- 239000002689 soil Substances 0.000 title 1
- 239000010410 layer Substances 0.000 claims abstract description 26
- 239000002985 plastic film Substances 0.000 claims abstract description 19
- 229920006255 plastic film Polymers 0.000 claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 229920002635 polyurethane Polymers 0.000 claims abstract description 3
- 239000004814 polyurethane Substances 0.000 claims abstract description 3
- 239000004698 Polyethylene Substances 0.000 claims abstract 2
- -1 polyethylene Polymers 0.000 claims abstract 2
- 229920000573 polyethylene Polymers 0.000 claims abstract 2
- 239000010426 asphalt Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 7
- 239000013590 bulk material Substances 0.000 claims description 6
- 230000002401 inhibitory effect Effects 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H11/00—Control of undesirable vegetation on roads or similar surfaces or permanent ways of railways, e.g. devices for scorching weeds or for applying herbicides; Applying liquids, e.g. water, weed-killer bitumen, to permanent ways
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/259—Coating or impregnation provides protection from radiation [e.g., U.V., visible light, I.R., micscheme-change-itemave, high energy particle, etc.] or heat retention thru radiation absorption
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2926—Coated or impregnated inorganic fiber fabric
- Y10T442/2992—Coated or impregnated glass fiber fabric
Definitions
- the invention relates generically to a sheet-like, vegetation-inhibiting floor covering that has a plastic film made of polyurethane or preferably high-density polyethylene.
- plastic films have z. B. a thickness of 80 microns or more and a web width of about one meter.
- Such vegetation-inhibiting floor coverings have long been used in a wide variety of areas of agriculture and technology.
- such floor coverings are also used along highways, e.g. B. below the guardrails.
- the guardrails are supported by supports that are four meters apart, and the floor coverings have to cut out the supports.
- the generic floor coverings known from practice are sometimes weighted with stones for the purpose of wind protection. Nevertheless, there are significant disadvantages.
- destruction of the plastic film is observed over time due to the influence of sunlight, especially the ultraviolet component in sunlight, on the other hand, the wind reaches under the areas between the stones, which are only singularly placed.
- the destruction of films by ultraviolet rays is based on the associated strong acceleration of the oxidation of the polymers, which has the effect of breaking the molecular chains.
- the integrity of the plastic film is an essential prerequisite for the vegetation-inhibiting effect of the generic floor coverings.
- the resistance of the known floor coverings to Sunlight and in particular ultraviolet rays and their wind protection are therefore insufficient, which manifests itself in a short standstill.
- the object underlying the invention is to further develop a generic floor covering so that it is windproof and sufficiently resistant to sunlight and in particular ultraviolet rays.
- the invention teaches that a bituminous protective layer against sunlight, in particular ultraviolet rays, is applied to the surface of the plastic film, which at the same time is designed as an adhesive layer, and that the adhesive layer also fixes a wind protection layer made of specifically heavy bulk material on the plastic film .
- - Floor coverings of several layers in which an uppermost layer consists of heavy bulk material for wind protection and the bulk material is fixed by a binder, are known per se (DE-OS 35 15 144). However, it is not the sheet-like floor coverings with plastic film as the bottom layer.
- the bottom layer is a cardboard layer, which is impregnated with a herbicide, but should weather and after z. B. two vegetation periods of grass should grow through, which is then easily mowed.
- the invention is based on the knowledge that the bituminous protective layer can have a double function. Surprisingly, on the one hand it achieves effective protection of the plastic film against sunlight, in particular against ultraviolet rays, but on the other hand it also holds a wind protection layer made of specifically heavy bulk material on the Plastic film firmly. It is understood that the plastic film is impermeable to water to inhibit vegetation.
- the protective layer preferably consists of road bitumen, which has proven itself as a binder in road construction, but according to the invention also functions as a protective layer. Road construction bitumen is advantageous because of its dark color because it serves as a good absorber in the sense of its protective function against ultraviolet rays according to the invention.
- the road bitumen can be alloyed with one or more elastomers.
- the protective layer is expediently applied as an emulsion. When broken, it preferably has a weight of approximately 0.4 kg / m 2.
- the wind protection layer which in a preferred embodiment consists of stony granules, it is sufficient that the bulk density is about 5 kg / m2.
- the granules can have grain sizes in the range from two millimeters to a few centimeters.
- the wind protection layer not only provides wind protection, but also protection against swimming when water gets under the floor covering.
- Another preferred embodiment of the invention is characterized in that a layer of paint is applied to the wind protection layer and a cover made of glass balls is applied thereon. It is recommended that the glass balls, which have a diameter of about 1 mm, in the densest ball packing, e.g. B. from at least two layers. If you work with a cover made of glass balls, the result is an additional, considerable advantage.
- the glass balls contribute to wind protection on the one hand, but also cause light reflection at night, which makes the edge strips visible in the headlights of a motor vehicle.
- the floor covering according to the invention can be easily optimized in terms of laying technology.
- the long sides of the plastic film can be provided with overlap seams, which can additionally contain connecting recesses. These overlap seams can also be used as edge reinforcement due to the foil underside.
- the plastic film of a floor covering according to the invention can also have transverse folds.
- the only figure shows in perspective a floor covering with stony granules as a wind protection layer.
- a web-shaped, vegetation-inhibiting floor covering 1 can be seen in a perspective view.
- this protective layer 3 serves as a binder layer, which fixes a wind protection layer 4 made of specifically heavy bulk material 6 on the plastic film 2.
- the protection or Binder layer 3 preferably consists of road construction bitumen or of an alloy of road construction bitumen and an elastomer.
- the wind protection layer 4 fixed thereon has a bulk density of about 5 kg / m 2, and preferably consists of stony granules 6. These granules 6 can have grains in the range from two millimeters to a few centimeters. - It is understood that you can also apply a cover made of glass balls in the manner described, which has a light reflecting effect.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Architecture (AREA)
- Protection Of Plants (AREA)
- Road Paving Structures (AREA)
- Laminated Bodies (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Hydroponics (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cultivation Of Plants (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
Description
- Die Erfindung bezieht sich gattungsgemäß auf einen bahnförmigen, vegetationshemmenden Erdbodenbelag, der eine Kunststoffolie aus Polyurethan oder vorzugsweise Polyäthylen hoher Dichte aufweist. Solche Kunststoffolien besitzen z. B. eine Dicke von 80 µm oder mehr und eine Bahnbreite von etwa einem Meter. - Derartige vegetationshemmende Erdbodenbeläge werden seit langem in den verschiedensten Gebieten der Landwirtschaft und Technik eingesetzt.
- Insbesondere werden derartige Erdbodenbeläge auch längs Autobahnen eingesetzt, z. B. unterhalb der Leitplanken. Die Leitplanken werden von Stützen getragen, die im Abstand von vier Metern angeordnet sind, und die Erdbodenbeläge müssen die Stützen aussparen.
- Die aus der Praxis bekannten gattungsgemäßen Erdbodenbeläge sind zum Zwecke der Windsicherung zuweilen mit Steinen beschwert. Nichtsdestoweniger bestehen erhebliche Nachteile. Einerseits beobachtet man im Laufe der Zeit eine Zerstörung der Kunststoffolie durch den Einfluß des Sonnenlichts, insbesondere des ultravioletten Anteils im Sonnenlicht, andererseits faßt der Wind unter die Bereiche zwischen den nur singulär aufgelegten Steinen. Die Zerstörung von Folien durch ultraviolette Strahlen beruht auf der damit verbundenen starken Beschleunigung der Oxidation der Polymerisate, was sich in einem Aufbrechen der Molekülketten auswirkt. Die Intaktheit der Kunststoffolie ist aber unerläßliche Voraussetzung für die vegetationshemmende Wirkung der gattungsgemäßen Erdbodenbeläge. Die Resistenz der bekannten Erdbodenbeläge gegen Sonnenlicht und insbesondere Ultraviolettstrahlen sowie deren Windsicherung ist folglich unzureichend, was sich in zu kurzen Standzeiten äußert.
- Die der Erfindung zugrundeliegende Aufgabe lautet, einen gattungsgemäßen Erdbodenbelag so weiter auszubilden, daß er windfest und ausreichend resistent gegen Sonnenlicht und insbesondere Ultraviolettstrahlen ist.
- Zur Lösung dieser Aufgabe lehrt die Erfindung, daß auf die Oberfläche der Kunststoffolie eine bituminöse Schutzschicht gegen Sonnenlicht, insbesondere Ultraviolettstrahlen, aufgebracht ist, die gleichzeitig als Klebschicht ausgebildet ist, und daß durch die Klebschicht außerdem eine Windsicherungsschicht aus spezifisch schwerem Schüttgut auf der Kunststofffolie fixiert ist. - Erdbodenbeläge aus mehreren Schichten, bei denen eine oberste Schicht aus schwerem Schüttgut zur Windsicherung besteht sowie das Schüttgut durch ein Bindemittel fixiert ist, sind an sich bekannt (DE-OS 35 15 144). Allerdings handelt es sich nicht um die bahnförmigen Erdbodenbeläge mit Kunststoffolie als unterste Lage. Bei der bekannten Ausführungsform ist die unterste Lage eine Papplage, die mit einem Herbizid imprägniert ist, aber verwittern soll und nach z. B. zwei Vegetationsperioden vom Gras durchwachsen werden soll, welches danach leicht mähbar ist.
- Die Erfindung beruht auf der Erkenntnis, daß die bituminöse Schutzschicht eine Doppelfunktion ausüben kann. Überraschenderweise erzielt sie einerseits einen wirksamen Schutz der Kunststoffolie gegen Sonnenlicht, insbesondere gegen ultraviolette Strahlen, sie hält aber andererseits auch eine Windsicherungsschicht aus spezifisch schwerem Schüttgut auf der Kunststoffolie fest. Es versteht sich, daß zur Vegetationshemmung die Kunststoffolie wasserundurchlässig ist. Die Schutzschicht besteht vorzugsweise aus Straßenbaubitumen, welches sich als Bindemittel im Straßenbau bewährt hat, erfindungsgemäß aber auch als Schutzschicht funktioniert. Straßenbaubitumen ist wegen seiner dunklen Farbe vorteilhaft, weil es im Sinne seiner erfindungsgemäßen Schutzfunktion vor Ultraviolettstrahlen als guter Absorber dient. Wenn der Erdbodenbelag in Waldgebieten eingesetzt werden soll, empfiehlt es sich, dem Straßenbaubitumen feuerhemmende Stoffe beizugeben. Zur Verbesserung der Bindemittelfunktion der Schutzschicht kann das Straßenbaubitumen mit einem oder mehreren Elastomeren legiert sein. Zweckmäßigerweise wird die Schutzschicht in beiden Fällen als Emulsion aufgetragen. Sie besitzt im gebrochenen Zustand vorzugsweise ein Gewicht von etwa 0,4 kg/m². Für die Windsicherungsschicht, die in bevorzugter Ausführungsform aus steinigem Granulat besteht, ist es ausreichend, daß das Schüttgewicht etwa 5 kg/m² beträgt. Das Granulat kann dabei Körnungen im Bereich von zwei Millimetern bis zu einigen Zentimetern aufweisen. Die Windsicherungsschicht bewirkt nicht nur eine Windsicherung, sondern auch eine Sicherung gegen Abschwimmen, wenn Wasser unter den Erdbodenbelag gelangt.
- Eine andere bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, daß auf die Windsicherungsschicht eine Farbschicht und auf diese eine Abdeckung aus Glaskugeln aufgebracht ist. Dabei empfiehlt es sich, die Glaskugeln, die einen Durchmesser von etwa 1 mm aufweisen, in dichtester Kugelpackung, z. B. aus zumindest zwei Lagen, anzuordnen. Arbeitet man mit einer Abdeckung aus Glaskugeln, so ergibt sich ein zusätzlicher, beachtlicher Vorteil. Die Glaskugeln tragen einerseits zur Windsicherung bei, bewirken aber außerdem nachts eine Lichtreflexion, die im Scheinwerferlicht eines Kraftfahrzeuges die Randstreifen sichtbar macht.
- Von besonderem Vorteil ist fernerhin, daß der erfindungsgemäße Erdbodenbelag auf einfache Weise verlegungstechnisch optimiert werden kann. Zur Vermeidung einer Spaltbildung zwischen nebeneinanderliegenden Bahnen des Erdbodenbelages können deren Längsseiten der Kunststoffolie mit Überlappungssäumen versehen sein, die zusätzlich Verbindungsausnehmungen enthalten können. Diese Überlappungssäume können durch folienunterseitiges Umschlagen auch als Randverstärkung eingesetzt sein. Es versteht sich, daß die Kunststoffolie eines erfindungsgemäßen Erdbodenbelages auch Querfalten aufweisen kann.
- Im folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung ausführlicher erläutert.
- Die einzige Figur zeigt perspektivisch einen Erdbodenbelag mit steinigem Granulat als Windsicherungsschicht.
- In der Figur erkennt man einen bahnförmigen, vegetationshemmenden Erdbodenbelag 1 in perspektivischer Darstellung. Dabei ist auf die Oberfläche 5 der Kunststoffolie 2 eine bituminöse Schutzschicht 3 aufgebracht, die gegen Sonnenlicht, insbesondere Ultraviolettstrahlen schützt. Gleichzeitig dient diese Schutzschicht 3 als Bindemittelschicht, die eine Windsicherungsschicht 4 aus spezifisch schwerem Schüttgut 6 auf der Kunststoffolie 2 fixiert. Die Schutzbzw. Bindemittelschicht 3 besteht vorzugsweise aus Straßenbaubitumen oder aus einer Legierung aus Straßenbaubitumen und einem Elastomer. Die darauf fixierte Windsicherungsschicht 4 besitzt ein Schüttgewicht von etwa 5 kg/m², und besteht vorzugsweise aus steinigem Granulat 6. Dieses Granulat 6 kann dabei Körnungen im Bereich von zwei Millimetern bis zu einigen Zentimetern aufweisen. - Es versteht sich, daß man zusätzlich in der beschriebenen Weise eine Abdeckung aus Glaskugeln aufbringen kann, die lichtreflektierend wirkt.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88112828T ATE62037T1 (de) | 1987-08-17 | 1988-08-06 | Bahnfoermiger, vegetationshemmender erdbodenbelag. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8711703A FR2619584B1 (fr) | 1987-08-17 | 1987-08-17 | Couvre-sol de proprete s'opposant a la vegetation des sols |
FR8711703 | 1987-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0304711A1 true EP0304711A1 (de) | 1989-03-01 |
EP0304711B1 EP0304711B1 (de) | 1991-03-27 |
Family
ID=9354294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88112828A Expired - Lifetime EP0304711B1 (de) | 1987-08-17 | 1988-08-06 | Bahnförmiger, vegetationshemmender Erdbodenbelag |
Country Status (8)
Country | Link |
---|---|
US (2) | US4896453A (de) |
EP (1) | EP0304711B1 (de) |
AT (1) | ATE62037T1 (de) |
CA (1) | CA1299938C (de) |
DE (1) | DE3826850A1 (de) |
ES (1) | ES2021801B3 (de) |
FR (1) | FR2619584B1 (de) |
GR (1) | GR3002149T3 (de) |
Cited By (2)
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FR3059347A1 (fr) * | 2016-11-30 | 2018-06-01 | Scylla | Dispositif de desherbage pour terre-pleins centraux d'autoroute |
IT202100014765A1 (it) * | 2021-06-07 | 2022-12-07 | Studio Tecnico Grazi Giacomo | Una copertura per impedire la crescita di erba in predeterminate aree e relativo metodo attuativo |
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US5525009A (en) * | 1991-03-25 | 1996-06-11 | Landfill Service Corporation | Synthetic bulk material cover and method of using the same |
US5380552A (en) * | 1992-08-24 | 1995-01-10 | Minnesota Mining And Manufacturing Company | Method of improving adhesion between roofing granules and asphalt-based roofing materials |
US5544976A (en) * | 1994-01-03 | 1996-08-13 | Marchbanks; Charles W. | Puncture protection geo mat for a landfill system |
US5509231A (en) * | 1994-02-14 | 1996-04-23 | Flexstake, Inc. | Method of retarding vegetation growth |
US5532298A (en) * | 1995-02-10 | 1996-07-02 | International Paper | Degradable agricultural mat |
US5853541A (en) * | 1995-02-10 | 1998-12-29 | International Paper Company | Degradable cotton base cellulosic agricultural mat |
US5644998A (en) * | 1995-03-13 | 1997-07-08 | Krolick; Edward | All purpose mulch system |
US5729929A (en) * | 1996-07-25 | 1998-03-24 | Blessings Corporation | Agricultural mulch films and methods for their use |
DE19818740A1 (de) * | 1998-04-27 | 1999-11-04 | Joachim Boesch | Vegetationshemmende Bodenauflage |
CA2330954A1 (en) | 1998-05-01 | 1999-11-11 | Mbt Holding Ag | Integrated retroreflective marking materials |
US20040014385A1 (en) * | 1998-12-30 | 2004-01-22 | Greaves Gerald G. | Storm resistant roofing material |
DE10037986B4 (de) * | 2000-08-03 | 2004-05-19 | Bsw Berleburger Schaumstoffwerk Gmbh | Bewuchshemmender Belag |
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US20070175093A1 (en) * | 2006-02-02 | 2007-08-02 | Glen Aery | Gnat-trapping hydroponic lid and wrapper and method for use thereof |
CA2667360A1 (en) * | 2006-10-23 | 2008-08-21 | Fieldturf Tarkett Inc. | Aircraft arrestor system and method of decelerating an aircraft |
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US8864423B2 (en) * | 2008-01-07 | 2014-10-21 | Firestone Building Products Company, Llc | Geomembrane protective cover |
JP6117507B2 (ja) * | 2012-10-10 | 2017-04-19 | 株式会社松井文ショウ堂 | 透水性3次元構造物およびその施工方法 |
JP6347631B2 (ja) * | 2014-03-12 | 2018-06-27 | デンカ株式会社 | 防草用資材を用いた防草工法 |
US10918023B2 (en) | 2017-02-03 | 2021-02-16 | Richard Abrams | Plant husbandry system and mulch barrier |
US11293159B1 (en) * | 2021-01-13 | 2022-04-05 | CB Geotex LLC | Method of maintaining soil strength and stability |
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US3555728A (en) * | 1969-11-26 | 1971-01-19 | Ralph Tobias Herns | Mulch |
US4154637A (en) * | 1976-12-06 | 1979-05-15 | X Incorporated | Method of making a landscape blanket |
DE2952551A1 (de) * | 1979-12-28 | 1981-07-02 | Klaus 6114 Groß-Umstadt Werle | Erdbeer-milch-geraetesatz |
US4396665A (en) * | 1980-06-16 | 1983-08-02 | W. R. Grace & Co. | Self-adhesive roofing laminates having metal layer therein |
US4386981A (en) * | 1981-05-29 | 1983-06-07 | W. R. Grace & Co. | Method of waterproofing roofs and the like |
US4442148A (en) * | 1981-10-02 | 1984-04-10 | W. R. Grace & Co. | Waterproofing laminate |
DE3515144A1 (de) * | 1985-04-26 | 1986-11-06 | Karl-Heinz 3078 Stolzenau Plümecke | Dreilagen - abdeckung |
US4693923A (en) * | 1985-11-22 | 1987-09-15 | Mcgroarty Bryan M | Water barrier |
US4747247A (en) * | 1986-09-19 | 1988-05-31 | The Dow Chemical Company | Roof system |
US5028487A (en) * | 1989-01-10 | 1991-07-02 | W. R. Grace & Co.-Conn. | Primerless waterproofing laminates |
-
1987
- 1987-08-17 FR FR8711703A patent/FR2619584B1/fr not_active Expired
-
1988
- 1988-08-06 DE DE3826850A patent/DE3826850A1/de active Granted
- 1988-08-06 ES ES88112828T patent/ES2021801B3/es not_active Expired - Lifetime
- 1988-08-06 EP EP88112828A patent/EP0304711B1/de not_active Expired - Lifetime
- 1988-08-06 AT AT88112828T patent/ATE62037T1/de not_active IP Right Cessation
- 1988-08-15 US US07/232,608 patent/US4896453A/en not_active Expired - Fee Related
- 1988-08-15 CA CA000574790A patent/CA1299938C/en not_active Expired - Lifetime
-
1990
- 1990-12-18 US US07/629,366 patent/US5090154A/en not_active Expired - Fee Related
-
1991
- 1991-06-18 GR GR91400828T patent/GR3002149T3/el unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2261908A1 (de) * | 1972-12-18 | 1974-07-11 | Emil Dipl-Ing Dengler | Verfahren zur verhinderung von unkrautwuchs |
DE2515144A1 (de) * | 1974-04-12 | 1975-10-30 | Standard Oil Co | Verfahren zum texturieren von mikrobischem, gebrochenem zellmaterial mit vermindertem nucleinsaeuregehalt durch braten in schwimmendem oel |
EP0030793A1 (de) * | 1979-12-13 | 1981-06-24 | Mobil Oil Corporation | Thermoplastische Folien zur Bodenbehandlung und Verfahren, um gasförmige Produkte in Kontakt mit dem Boden zu halten |
FR2566787A1 (fr) * | 1984-06-28 | 1986-01-03 | Colas Sa | Compositions comprenant une emulsion bitumineuse et un agent herbicide et revetements de surfaces de circulation ou de terres agricoles obtenus avec celles-ci |
Non-Patent Citations (1)
Title |
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LITERATURREFERATE, Band 35, Nr. 4, 1973, Seite 112; S.L. WEBSTER: "Bitumenmembranen" * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3059347A1 (fr) * | 2016-11-30 | 2018-06-01 | Scylla | Dispositif de desherbage pour terre-pleins centraux d'autoroute |
IT202100014765A1 (it) * | 2021-06-07 | 2022-12-07 | Studio Tecnico Grazi Giacomo | Una copertura per impedire la crescita di erba in predeterminate aree e relativo metodo attuativo |
Also Published As
Publication number | Publication date |
---|---|
DE3826850A1 (de) | 1989-03-02 |
US5090154A (en) | 1992-02-25 |
EP0304711B1 (de) | 1991-03-27 |
CA1299938C (en) | 1992-05-05 |
FR2619584B1 (fr) | 1989-12-01 |
US4896453A (en) | 1990-01-30 |
FR2619584A1 (fr) | 1989-02-24 |
ES2021801B3 (es) | 1991-11-16 |
ATE62037T1 (de) | 1991-04-15 |
GR3002149T3 (en) | 1992-12-30 |
DE3826850C2 (de) | 1990-05-31 |
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