Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Discrete dissimilar tie between stonelike components
Patent
1991-02-20
1994-01-25
Friedman, Carl D.
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Discrete dissimilar tie between stonelike components
52384, 52390, 52604, 404 34, E04C 238
Patent
active
052806910
DESCRIPTION:
BRIEF SUMMARY
The invention relates to tiles, particularly for a liquid-tight and/or acid- and alkali-resistant floor and wall covering.
A covering for such a use consisting of tiles is known from DE 23 48 301, for example. In this covering, the tiles are also in a bed of adhesive material where during the manufacture of the covering, the full contact between the adhesive material, on the one side, and the bottom of the tile and the sides thereof, on the other side, is established by mechanically shaking the tiles. In order to ensure a high load capacity and a good plane surface of the finished covering, and allow for this mechanical shaking without a displacement of the tiles, the latter are set in close contact which results in very narrow joints. On the one hand, this is desired, on the other hand, however, this causes a part of the joints to be not or only incompletely filled with adhesive material since the material cannot rise from the bottom up into the joints. This in turn requires subsequent works which, in most case, however, do not reach the necessary standard of quality since it is difficult to fill narrows joints to completion from the top. The problem is made more difficult in that it is hard to detect faulty or defect spots in the joint filling. It is thus possible that the covering can be leaking from the beginning or will leak prematurely. Further, the mechanical strength will be decreased, in particular during varying thermal stress and under the action of tangential forces.
An artificial stone or an artificial tile for manufacturing wall or ceiling coverings, pavements or the like is known from DE 119 766. At its sides, this tile has cavities which expand toward the interior and do not completely traverse the thickness of the tile, or it has protruding tabs which the basic material enters when the tile is pressed in the support piece made of a hardening material. This hardening of the basic material does not only join the tiles to their support but also joins them among each other. The cavities are either continuous, elongated indentations or a successive arrangement of a few longitudinal indentations aligned with one another where the longitudinal axes run parallel to the side sides of the tile. In a sectional view perpendicular to the top of the tile, the cavities can have dovetail configurations. The alternatively possible tabs, in a top view of the tiles, have a trapezoidal contour. The base, i.e. their broader side, always faces the corresponding tile. With these measures, it is possible to enlarge the surface of the tile sides in the area of the joints. However, interruptions in the joint filling still may easily occur and, hence, cause leaks. This can occur in particular when these tiles are subject to high alternating mechanical and/or thermal stress. Moreover, it is hardly possible to fill the cavities of such tiles to completion with basic material and/or the material used for the bed of adhesive agent since there is no complete displacement of air out of the cavities during the setting of tiles or the filling of the joints. What remains are hollow spots, so called voids, in the adhesive material if the bed or the joint filling.
It is hence an object to provide a covering of the aforesaid kind where the setting and the service properties are improved. This means, they should be easy to set while voids are avoided, their leak-proof nature should be of a high and long-lasting quality, and they should exhibit a high stress resistance.
This object is accomplished by a covering of the aforesaid kind in accordance with the invention which has the features of claim 1.
The invention allows maintaining a defined joint space even when employing the close contact setting which greatly facilitates and accelerates the setting procedure of the tiles. While the covering is produced, this space fills or can be filled with adhesive agent. The alternating projections and indentations ensure that the adhesive material completely penetrates even narrow areas of the joints since the material enters those areas n
REFERENCES:
patent: 2114475 (1938-04-01), Labra
patent: 4912902 (1990-04-01), Weaver
J. R. Panek et al., "Construction sealants and adhesives", John Wiley & Sons, Inc., 2nd Ed. pp. 270-273.
Friedman Carl D.
Wood Wynn
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