EP0175926B1 - Manufacture of an impervious covering - Google Patents
Manufacture of an impervious covering Download PDFInfo
- Publication number
- EP0175926B1 EP0175926B1 EP85110516A EP85110516A EP0175926B1 EP 0175926 B1 EP0175926 B1 EP 0175926B1 EP 85110516 A EP85110516 A EP 85110516A EP 85110516 A EP85110516 A EP 85110516A EP 0175926 B1 EP0175926 B1 EP 0175926B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- asphalt
- covering
- sheet
- floor
- bitumen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02177—Floor elements for use at a specific location
- E04F15/02188—Floor elements for use at a specific location for use in wet rooms
Definitions
- the invention relates to a water-impermeable bottom formation according to the preamble of patent claim 1.
- Such a water-impermeable soil formation is described in FR-A-2 139 942.
- a bitumen-coated sheet is arranged on the surface formed by a concrete base for the purpose of sealing, on which the floor covering is laid.
- the membrane can have one or more layers of bitumen, a reinforcement layer made of glass fibers and the like either in the covering or between the bitumen layers. Like. Can be embedded for reasons of reinforcement. Although nothing is said about the laying of the floor covering, it can be assumed that the laying of the floor covering takes place in a conventional manner using a leveling layer or a leveling adhesive.
- the intermediate layer In the case of floor designs using ceramic plates as flooring, an intermediate layer must also be created as a load-bearing foundation (see US Re-19,518).
- the intermediate layer generally consists of a cement-bonded, damp-filled leveling layer or of a leveling adhesive, the ceramic structures, in particular panels, being laid on this intermediate layer. The joints between these structures are then closed with material of the same structure.
- split plates are preferably used in the outer area, which result from the separation of two back-to-back plates that are connected to one another by webs.
- parts of the webs and thus burrs remain on the back of the plates, so that if a bitumen membrane is used, this can be damaged when laying such plates, which endangers the tightness of the bottom formation.
- the residues remaining due to the separation of the webs are uneven, so that in order to eliminate an injury to the bitumen sheet, a correspondingly thick thickness of the compensation layer must be used.
- the object of the invention is to dispense with the strong build-up leveling layer to create a water-impermeable bottom formation using ceramic plates, in which the risk of injury to the water-impermeable sheets when laying the plate material is excluded and, moreover, in any case a uniformly smooth visible side of the Flooring can be achieved.
- Another object is to provide a suitable method for producing such a floor training.
- bitumen covering facing the load-bearing surface of the bitumen-coated sheet has a smaller thickness than the bitumen covering sitting on the other side, and in that the floor covering consists of ceramic plates which face away from the visible side are provided with a relief and are laid directly in the bitumen layer.
- the separate compensating layer that was previously required when laying ceramic plates is dispensed with, rather the ceramic floor covering is laid directly on the bitumen sheet, thereby endangering the tightness of the floor formation is precluded by making the surface of the bitumen covering facing the ceramic plates thicker is dimensioned as the bitumen covering facing the load-bearing surface.
- This enables a perfect, smooth surface of the floor covering to be achieved even when laying.
- a good adhesion despite the lack of a separate compensation layer is achieved in that the ceramic plates are provided with a relief on their side facing away from the visible side.
- the ceramic plates are comparatively thin ceramic plates, the relief only consisting of possibly only a fraction of a millimeter of continuous ridges which are not sharp-edged, however. Their height generally bears a maximum of 8% of the plate thickness.
- Such plates can be handled and installed without difficulty, the thicker bitumen layer on the side of the bitumen-coated sheet facing the plates ensuring that the plates can be completely and cleanly embedded in such a way that a consistently flat and clean flooring is formed.
- bitumen covering of the bitumen-coated sheet facing the plates is provided with fine-grained, preferably powdery sanding. This ensures a particularly stable embedding of the panels and their anchoring in the bitumen.
- bitumen coating of the bitumen-coated sheet should expediently have a temperature range of 100 ° C. between the breaking point, which is usually of the order of magnitude of -30 ° C., and softening point, then at 70 ° C.
- a mineral or glass fiber web is preferably used as the web coated with bitumen, but optionally also a web other inorganic, but also organic fibers or threads, in which the thicker bitumen covering is one and a half to twice as thick as the thinner bitumen covering, but at least three times as thick as the depth of the relief of the ceramic plates.
- bitumen for example a mineral or glass fiber sheet
- the bitumen surface is expediently sanded, at least on the side facing the ceramic plates and not from a coarse-grained material such as split, but from a particularly fine-grained material that can even be in powder form.
- FIG. 1 An exemplary embodiment of the invention is described below with reference to the drawing, which shows a section through a base formation in a FIG.
- the supporting subsurface or screed is designated by 1.
- 2 means the sheet coated with bitumen, for example a glass fiber sheet 3, which carries a bitumen covering 4 on the side facing the substrate 1 and a bitumen covering 5 on the other side.
- the bitumen coverings 4 and 5 do not differ with regard to the bitumen used, but their thickness is different.
- the thickness of the covering 5 is in the embodiment one and a half to twice the thickness of the layer 4.
- This ceramic plate 6 has a relief 7 perpendicular to the plane of the drawing, which is represented by corresponding small projections in the plane of the drawing.
- the relief can be of various types. It can run obliquely to the plate edges, it can consist of intersecting projections or it can be designed in another usable manner. What is important, however, is the thickness of the bitumen covering 5, which, as has also been attempted to indicate in the drawing, is preferably at least three times as thick as the depth of the relief 7.
- the soil training does not necessarily have to be completely horizontal. It can also be a sloping floor, or at least part of an even almost vertical wall.
Description
Die Erfindung betrifft eine wasserundurchlässige Bodenausbildung gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a water-impermeable bottom formation according to the preamble of
Will man Baukonstruktionen, wie Balkone Terrassen, Schwimmbadumgänge, Duschbereich od. dgl. vor Feuchtigkeit schützen, dann muß man eine Abdichtung mit Hilfe von Bitumenbahnen od. dgl. vornehmen.If you want to protect building structures such as balconies, terraces, swimming pool surrounds, shower areas or the like from moisture, then you have to seal them with the help of bitumen membranes or the like.
Eine solche wasserundurchlässige Bodenausbildung ist in der FR-A-2 139 942 beschrieben. Bei der bekannten Bodenausbildung wird zum Zwecke der Abdichtung auf dem durch eine Betonunterlage gebildeten Untergrund eine mit Bitumen beschichtete Bahn angeordnet, auf welcher der Bodenbelag verlegt wird. Die Bahn kann eine oder mehrere Bitumenlagen aufweisen, wobei entweder im Belag oder zwischen den Bitumenlagen eine Armierungslage aus Glasfasern u. dgl. aus Verstärkungsgründen eingebettet sein kann. Obgleich über die Verlegung des Bodenbelags nichts näheres ausgesagt ist, ist davon auszugehen, daß die Verlegung des Bodenbelags in herkömmlicher Weise unter Verwendung einer Ausgleichsschicht oder eines Ausgleichsklebers erfolgt.Such a water-impermeable soil formation is described in FR-A-2 139 942. In the known floor construction, a bitumen-coated sheet is arranged on the surface formed by a concrete base for the purpose of sealing, on which the floor covering is laid. The membrane can have one or more layers of bitumen, a reinforcement layer made of glass fibers and the like either in the covering or between the bitumen layers. Like. Can be embedded for reasons of reinforcement. Although nothing is said about the laying of the floor covering, it can be assumed that the laying of the floor covering takes place in a conventional manner using a leveling layer or a leveling adhesive.
Im Falle von Bodenausbildungen unter Verwendung von keramischen Platten als Bodenbelag muß gleichfalls eine Zwischenschicht als tragfester Verlegegrund erstellt werden (vgl. US-Re-19 518). Die Zwischenschicht besteht in der Regel aus einer zementgebundenen, feucht eingebrachten Ausgleichsschicht oder aus einem Ausgleichskleber, wobei auf diese Zwischenschicht die keramischen Baukörper, wie insbesondere Platten, verlegt werden. Die Fugen zwischen diesen Baukörpem werden dann mit Material gleichen Stoffaufbaus geschlossen.In the case of floor designs using ceramic plates as flooring, an intermediate layer must also be created as a load-bearing foundation (see US Re-19,518). The intermediate layer generally consists of a cement-bonded, damp-filled leveling layer or of a leveling adhesive, the ceramic structures, in particular panels, being laid on this intermediate layer. The joints between these structures are then closed with material of the same structure.
Für keramische Bodenbeläge werden im Außenbereich auch vorzugsweise Spaltplatten verwendet, die sich aus der Trennung von zwei Rücken an Rücken stehenden, durch Stege miteinander verbundenen Platten ergeben. Bei der Trennung verbleiben auf den Platten rückseiten Teile der Stege und damit gratige Gebilde, so daß im Falle der Verwendung einer Bitumenbahn diese beim Verlegen solcher Platten verletzt werden kann, was die Dichtheit der Bodenausbildung gefährdet. Außerdem sind die durch die Abtrennung der Stege stehenbleibenden Reste ungleichmäßig, so daß zwecks Ausschaltung einer Verletzung der Bitumenbahn mit einer entsprechend starken Dicke der Ausgleichsschicht gearbeitet werden muß.For ceramic floor coverings, split plates are preferably used in the outer area, which result from the separation of two back-to-back plates that are connected to one another by webs. During the separation, parts of the webs and thus burrs remain on the back of the plates, so that if a bitumen membrane is used, this can be damaged when laying such plates, which endangers the tightness of the bottom formation. In addition, the residues remaining due to the separation of the webs are uneven, so that in order to eliminate an injury to the bitumen sheet, a correspondingly thick thickness of the compensation layer must be used.
Aufgabe der Erfindung ist es, unter Verzicht auf die stark aufbauende Ausgleichsschicht eine wasserundurchlässige Bodenausbildung unter Verwendung von keramischen Platten zu schaffen, bei der die Gefahr der Verletzung der wasserundurchlässigen Bahnen beim Verlegen des Plattenmaterials ausgeschlossen ist und darüber hinaus in jedem Falle eine gleichmäßig glatte Sichtseite des Bodenbelags erzielt werden kann. Eine weitere Aufgabe besteht darin, ein geeignetes Verfahren zur Herstellung einer solchen Bodenausbildung zu schaffen.The object of the invention is to dispense with the strong build-up leveling layer to create a water-impermeable bottom formation using ceramic plates, in which the risk of injury to the water-impermeable sheets when laying the plate material is excluded and, moreover, in any case a uniformly smooth visible side of the Flooring can be achieved. Another object is to provide a suitable method for producing such a floor training.
Diese Aufgabe wird für die Bodenausbildung erfindungsgemäß dadurch gelöst, daß der dem tragenden Untergrund zugewendete Bitumenbelag der mit Bitumen beschichteten Bahn eine geringere Dicke als der auf der anderen Seite sitzende Bitumenbelag aufweist und daß der Bodenbelag aus keramischen Platten besteht, die an ihrer der Sichtseite abgewendeten Seite mit einer Reliefierung versehen und unmittelbar in die Bitumenschicht verlegt sind.This object is achieved according to the invention for the floor formation in that the bitumen covering facing the load-bearing surface of the bitumen-coated sheet has a smaller thickness than the bitumen covering sitting on the other side, and in that the floor covering consists of ceramic plates which face away from the visible side are provided with a relief and are laid directly in the bitumen layer.
Nach Maßgabe der Erfindung wird auf die beim Verlegen von keramischen Platten bislang stets erforderliche gesonderte Ausgleichsschicht verzichtet, vielmehr der keramische Bodenbelag unmittelbar auf der Bitumenbahn verlegt, wobei eine Gefährdung der Dichtheit der Bodenausbildung dadurch ausgeschlossen wird, daß die den keramischen Platten zugewendete Oberfläche des Bitumenbelags dicker als der dem tragenden Untergrund zugewendete Bitumenbelag bemessen ist. Dadurch läßt sich auch beim Verlegen eine einwandfreie glatte Oberfläche des Bodenbelags erzielen. Eine gute Haftung trotz Fehlens einer gesonderten Ausgleichsschicht wird dadurch erreicht, daß die keramischen Platten an ihrer der Sichtseite abgewendeten Seite mit einer Reliefierung versehen sind.In accordance with the invention, the separate compensating layer that was previously required when laying ceramic plates is dispensed with, rather the ceramic floor covering is laid directly on the bitumen sheet, thereby endangering the tightness of the floor formation is precluded by making the surface of the bitumen covering facing the ceramic plates thicker is dimensioned as the bitumen covering facing the load-bearing surface. This enables a perfect, smooth surface of the floor covering to be achieved even when laying. A good adhesion despite the lack of a separate compensation layer is achieved in that the ceramic plates are provided with a relief on their side facing away from the visible side.
Bei den keramischen Platten handelt es sich um vergleichsweise dünne keramische Platten, wobei die Reliefierung nur aus gegebenenfalls nur Bruchteile von Millimetern vorstehenden durchgehenden Graten besteht, die jedoch nicht scharfkantig sind. Ihre Höhe trägt im allgemeinen maximal 8 % der Plattendicke. Solche Platten lassen sich ohne Schwierigkeiten handhaben und verlegen, wobei die dickere Bitumenlage auf der den Platten zugewendeten Seite der mit Bitumen beschichteten Bahn dafür Sorge trägt, daß die Platten vollständig und sauber so eingebettet werden können, daß eine durchwegs ebene saubere Bodenausbildung entsteht.The ceramic plates are comparatively thin ceramic plates, the relief only consisting of possibly only a fraction of a millimeter of continuous ridges which are not sharp-edged, however. Their height generally bears a maximum of 8% of the plate thickness. Such plates can be handled and installed without difficulty, the thicker bitumen layer on the side of the bitumen-coated sheet facing the plates ensuring that the plates can be completely and cleanly embedded in such a way that a consistently flat and clean flooring is formed.
Besonders vorteilhaft ist es, wenn anstelle der sonst üblichen Besandung der Bitumenoberfläche mit Split wenigstens die den Platten zugewendete Oberfläche des Bitumenbelages der mit Bitumen beschichteten Bahn mit einer feinkömigen, vorzugsweise pulverförmigen Besandung versehen ist. Damit wird eine besonders stabile Einbettung der Platten und ihre Verankerung im Bitumen gewährleistet.It is particularly advantageous if, instead of the usual sanding of the bitumen surface with split, at least the surface of the bitumen covering of the bitumen-coated sheet facing the plates is provided with fine-grained, preferably powdery sanding. This ensures a particularly stable embedding of the panels and their anchoring in the bitumen.
Der Bitumenbelag der mit Bitumen beschichteten Bahn sollte zweckmäßig eine Temperaturspanne von 100°C zwischen Brechpunkt, der gewöhnlich in der Größenordnung von -30 °C liegt, und Erweichungspunkt, dann bei 70 °C, aufweisen.The bitumen coating of the bitumen-coated sheet should expediently have a temperature range of 100 ° C. between the breaking point, which is usually of the order of magnitude of -30 ° C., and softening point, then at 70 ° C.
Vorzugsweise verwendet man als mit Bitumen beschichtete Bahn eine Mineral- oder Glasfaserbahn, gegebenenfalls aber auch eine Bahn aus anderen anorganischen, aber auch organischen Fasern oder Fäden, bei der der dickere Bitumenbelag eineinhalb bis doppelt so dick wie der dünnere Bitumenbelag, wenigstens aber dreimal so dick wie die Tiefe der Reliefierung der keramischen Platten ist.A mineral or glass fiber web is preferably used as the web coated with bitumen, but optionally also a web other inorganic, but also organic fibers or threads, in which the thicker bitumen covering is one and a half to twice as thick as the thinner bitumen covering, but at least three times as thick as the depth of the relief of the ceramic plates.
Bei dem erfindungsgemäßen Verfahren zum Verlegen von keramischen Platten wird auf einem tragenden Untergrund eine mit Bitumen beschichtete Bahn, beispielsweise eine Mineral-oder Glasfaserbahn auf dem Untergrund ausgelegt, diese Bahn beflammt, so daß die Bitumenbeschichtung erweicht, worauf auf die erweichte Oberschicht die keramischen Platten verlegt werden.In the method according to the invention for laying ceramic plates, a sheet coated with bitumen, for example a mineral or glass fiber sheet, is laid on the supporting surface, this sheet is flamed so that the bitumen coating softens, whereupon the ceramic plates are laid on the softened upper layer will.
Zweckmäßigerweise wird die Bitumenoberfläche besandet und zwar wenigstens auf der den keramischen Platten zugewendeten Seite und zwar nicht aus einem grobkörnigen Material, wie Split, sondern aus einem besonders feinkörnigen Material, das sogar in Pulverform vorliegen kann.The bitumen surface is expediently sanded, at least on the side facing the ceramic plates and not from a coarse-grained material such as split, but from a particularly fine-grained material that can even be in powder form.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand der Zeichnung beschrieben, die in einer Fig. einen Schnitt durch eine Bodenausbildung zeigt.An exemplary embodiment of the invention is described below with reference to the drawing, which shows a section through a base formation in a FIG.
Mit 1 ist der tragende Untergrund oder Estrich bezeichnet. 2 bedeutet die mit Bitumen beschichtete Bahn, beispielsweise einer Glasfaserbahn 3, die einen Bitumenbelag 4 auf der dem Untergrund 1 zugewendeten Seite und einen Bitumenbelag 5 auf der anderen Seite trägt. Die Bitumenbeläge 4 und 5 unterscheiden sich hinsichtlich des verwendeten Bitumens nicht, jedoch ist ihre Dicke unterschiedlich. Die Dicke des Belags 5 beträgt im Ausführungsbeispiel das Eineinhalbfache bis Doppelte der Dicke der Lage 4. Nach dem Auslegen der Bahn 2 auf dem Untergrund 1 wird die Bahn 2 beflammt, so daß die Bitumenschichten erweichen, wobei der Bitumenbelag 4 eine Bindung mit der Oberfläche des Untergrundes 1 eingeht. In den erweichten Bitumenbelag 5 werden keramische Platten eingedrückt, von denen eine einzige bei 6 angedeutet ist. Diese keramische Platte 6 weist senkrecht zur Zeichenebene eine Reliefierung 7 auf, die durch entsprechende kleine Vorsprünge in der Zeichenebene dargestellt ist. Selbstveständlich kann die Reliefierung von der unterschiedlichsten Art sein. Sie kann schräg zu den Plattenkanten verlaufen, sie kann aus sich überkreuzenden Vorsprüngen bestehen oder in anderer brauchbarer Weise ausgebildet sein. Wesentlich ist aber die Dicke des Bitumenbelags 5, die vorzugsweise, wie auch in der Zeichnung anzudeuten versucht wurde, wenigstens dreimal so dick wie die Tiefe der Reliefierung 7 ist. Selbstverständlich muß die Bodenausbildung nicht unbedingt völlig horizontal verlaufen. Sie kann auch eine schräge Bodenausbildung, oder wenigstens Teil einer sogar fast senkrechten Wandung sein.The supporting subsurface or screed is designated by 1. 2 means the sheet coated with bitumen, for example a glass fiber sheet 3, which carries a bitumen covering 4 on the side facing the
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3434559 | 1984-09-20 | ||
DE19843434559 DE3434559A1 (en) | 1984-09-20 | 1984-09-20 | WATERPROOF FLOORING |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0175926A2 EP0175926A2 (en) | 1986-04-02 |
EP0175926A3 EP0175926A3 (en) | 1987-02-25 |
EP0175926B1 true EP0175926B1 (en) | 1989-11-23 |
Family
ID=6245902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85110516A Expired EP0175926B1 (en) | 1984-09-20 | 1985-08-21 | Manufacture of an impervious covering |
Country Status (4)
Country | Link |
---|---|
US (1) | US4633633A (en) |
EP (1) | EP0175926B1 (en) |
CA (1) | CA1245826A (en) |
DE (2) | DE3434559A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3725856A1 (en) * | 1987-02-10 | 1988-08-18 | Buchtal Gmbh | FLOOR TRAINING |
FR2630147B1 (en) * | 1988-04-19 | 1993-04-09 | Hart Marcel | SEALING IMPLEMENTATION DEVICE FOR TILING |
DE4220770C2 (en) * | 1992-06-25 | 1995-10-12 | Helmut Laudenberg | Procedure for laying tiles |
US5979133A (en) * | 1997-07-18 | 1999-11-09 | Funkhouser; Philip L. | Reinforced waterproofing system for porous decks |
AU2003208535A1 (en) * | 2003-03-17 | 2004-10-11 | Pluvitec Spa | Method for laying an insulating covering |
EP1697600B1 (en) * | 2003-11-06 | 2008-10-22 | Blanke Gmbh & Co. Kg | Multi-layer decoupling, sealing and drainage system |
DE102004026652B4 (en) * | 2003-11-06 | 2023-04-20 | Blanke Gmbh & Co.Kg, | Multi-layer decoupling and sealing system |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE19518E (en) * | 1935-04-09 | chaffee | ||
US712193A (en) * | 1902-03-07 | 1902-10-28 | Frederick L Kane | Roof. |
US703928A (en) * | 1902-04-25 | 1902-07-01 | Samuel Ross | Method of laying tiles. |
US1702912A (en) * | 1926-07-23 | 1929-02-19 | American Encaustic Tiling Comp | Wall and floor tile |
DE686280C (en) * | 1937-10-22 | 1940-01-06 | I G Farbenindustrie Akt Ges | Process for the production of protective layers on building materials |
US2298983A (en) * | 1940-04-27 | 1942-10-13 | Ernest R Stabe | Prefabricated tile sheathing |
DE1011606B (en) * | 1953-01-12 | 1957-07-04 | Ver Baustoffwerke Bodenwerder | Process for the production of a floor with dry screed, which preferably floats on a layer of sand |
DE1018210B (en) * | 1954-04-13 | 1957-10-24 | Heinr Giesen Oel Und Lackfabri | Method for attaching tiles, parquet wood or the like. |
FR1168148A (en) * | 1956-01-19 | 1958-12-04 | Bauwerk A G | Floor and its manufacturing process |
AT244551B (en) * | 1963-02-01 | 1966-01-10 | Bunzl & Biach Ag | insulating material |
CH456902A (en) * | 1966-03-23 | 1968-05-31 | Wilhelm Gail Sche Tonwerke Kg | Ceramic extruded double plate |
DE1659587B2 (en) * | 1967-10-02 | 1973-02-22 | Buchtal Gmbh, 8472 Schwarzenfeld | SPLIT PANEL FOR CLADDING MADE OF SEALED CERAMIC MATERIAL |
SE386933B (en) * | 1971-12-07 | 1976-08-23 | Grace W R & Co | FRONT FORMAT, SHEET-LIKE CONSTRUCTION MATERIAL |
FR2298655A1 (en) * | 1975-01-22 | 1976-08-20 | Bouchama Mohamed | Flexible waterproof sheets for building use - consisting of subsequently hardened mineral base on layers of bitument |
FR2362981A2 (en) * | 1975-12-23 | 1978-03-24 | Kergall Jean Yves | WATERPROOF COATING DEVICE, ESPECIALLY FOR TERRACES, AND ITS MANUFACTURING PROCESS |
JPS54105823A (en) * | 1977-11-26 | 1979-08-20 | Sato Shintarou | Floor material for walking and walking roof execution method that use said floor material for walking |
DE2845700A1 (en) * | 1978-10-20 | 1980-04-30 | Icopal Baustoffe Gmbh | ROOF COVER FILM, PARTICULARLY ROOF PAPER |
US4546024A (en) * | 1980-03-18 | 1985-10-08 | Brown J Gale | Modular-accessible-tiles providing accessibility to conductors and piping with improved sound isolation |
-
1984
- 1984-09-20 DE DE19843434559 patent/DE3434559A1/en not_active Ceased
-
1985
- 1985-08-21 EP EP85110516A patent/EP0175926B1/en not_active Expired
- 1985-08-21 DE DE8585110516T patent/DE3574404D1/en not_active Expired
- 1985-09-13 CA CA000490637A patent/CA1245826A/en not_active Expired
- 1985-09-18 US US06/777,220 patent/US4633633A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3434559A1 (en) | 1986-03-27 |
EP0175926A2 (en) | 1986-04-02 |
US4633633A (en) | 1987-01-06 |
EP0175926A3 (en) | 1987-02-25 |
CA1245826A (en) | 1988-12-06 |
DE3574404D1 (en) | 1989-12-28 |
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