Stock material or miscellaneous articles – Composite – Of quartz or glass
Patent
1997-10-09
2000-01-18
Speer, Timothy
Stock material or miscellaneous articles
Composite
Of quartz or glass
428 70, 428702, 428441, 523091, 523093, 5230917, B32B 1706, E04C 100
Patent
active
060156228
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a semi-finished construction component, which is designed for covering surfaces. The surfaces can be interior or exterior surfaces of buildings, e. g. a house, wall surfaces or the like. But the surface can also be the surface of a semi-finished element, for instance a steel plate, a sheet-metal plate, a cement fiber board, timber board in the form of a fiber plate or a particle board, or also a plate of insulating material. The purposes of surface covering can be various. There can be decorative surface coverings or covering selected for the purpose of protection against corrosion. It can also be applied to a concrete plate. The surface can be a flat surface, or it can be a singly or doubly curved surface. In case a curved surface has to be covered, it is self-understood that the semi-finished construction component has to be provided with the same curvature as the surface.
Semi-finished construction elements designed for the covering of surfaces are known per se. For instance tesserae are known, which are attached to a surface product and which on the side facing away from the mosaic tile are provided with an adhesive layer covered with a protective membrane. When this protective membrane is removed, the tesserae can be applied to a wall or the like. However so far it has been impossible to apply glass panes in the form of float glass panes, prestressed glass panes, insulating glass units or safety glass units without further ado to a surface to be covered. For this type of attachment rather special technologies are required.
It is the object of this invention to solve the technical problem of covering surfaces with glass panes, which can be attached in a simple manner as surface-cladding components.
The solution of this technical problem consist in a semi-finished construction component designed for covering surfaces, comprising a glass pane and a bonding mortar layer on one side of the glass pane, which bonding mortar layer consists of a fine-particle neutral aggregate and cement and is gauged with an aqueous dispersion of a polyacrylic acid derivative, whereby the polyacrylic acid derivative has a logarithmic decrement, determined according to DIN 53445, which is at a maximum at temperatures of less than 0.degree. Celsius, and wherein the bonding mortar sets on the pane of glass with a deficiency in hydration water, whereby the bond with the surface to be clad is achieved through the contact of the bonding mortar layer with the gauged and setting concrete, or with the help of a so-called tile-adhesive or any other concrete adhesive.
In the known methods of covering building surfaces with glass, first the concrete body is prepared, which means that regularly the concrete is poured into a corresponding casing and one has to wait until the concrete sets. Only after the concrete has hardened, the concrete body is provided with one or more glass plates. In this connection, it is known to attach the glass pane to the concrete body with the help of mechanical means. This kind of mechanical attachment is very expensive. Besides in the interstice between glass pane and concrete undesirable humidity, for instance condensation water, can very easily collect. Furthermore it is known to fasten the glass panes to the concrete body by adhesives, for instance a synthetic resin adhesive. Such types of assembly are also expensive. It is especially disturbing that the hazard-free life span of such a glass pane attached to a concrete surface is relatively short. When it is attached with the help of a synthetic resin adhesive, this adhesive can age and thereby fail, often in relatively short time periods, depending on climate conditions. As a result the glass panes detach themselves prematurely, at least partially. Insofar it is difficult to satisfy the safety regulations issued by the respective authorities. By contrast, the semi-finished construction components of the invention do not create any difficulties.
Further it is known (AT Patent 196 079) to produce colored covering plates made of glas
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Database WPI Week 9527 JP 07 119 262 A (MIYA) Abstract.
Chemical Abstracts, vol. 90, 22, 28 May Abstract No. 173643y W. Rutledge.
Database WPI Week 8546, JP 60 195 049 A (MARINAX) Abstract.
Dubno Herbert
Speer Timothy
Stein Stephen
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