Static structures (e.g. – buildings) – Processes – Anchor – bond – etc.
Patent
1996-12-06
1998-12-08
Canfield, Robert
Static structures (e.g., buildings)
Processes
Anchor, bond, etc.
5274513, 5274214, 52143, 264278, 249 83, 249 91, 249 93, E04F 1520, E04B 1348, B28B 2300, B28B 700
Patent
active
058454578
DESCRIPTION:
BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATION
This application is a national stage application filed under 35 U.S.C. .sctn. 371 of international Application No. PCT/BE95/00024.
1. Field of the Invention
The invention relates to a floor as well as to a method for the manufacture of this floor.
2. Technological Background and State of the Art
In the field of building, the floor is a construction which constitutes a horizontal platform at the lower level of the construction work, or a separation between two storeys.
Numerous techniques have been put forward and implemented and various materials have been used to produce floors.
Featuring among the oldest known floors is, in particular, the rustic floor formed of planks nailed to joists.
In many cases, it is preferable to produce floors from non-combustible materials. Particularly well known are floors consisting of reinforced concrete slabs poured in situ and secured to the walls or framework of the building. Also well known are floors formed of beams or girders (made of concrete or of metal) between which concrete blocks are placed by way of filling. Such floors composed of blocks just like those which consist of concrete slabs poured in situ do, however, have rather to be considered as constituting the fabric of floors. It is then commonplace for such floors to be covered with a screed which is generally made with a hydraulic setting material essentially consisting of a wet mix of cement and sand.
The production of such a floor screed leads to all the known drawbacks inherent with wet sites. The placing of hydraulic-setting materials is a messy operation during which the other bodies of craftsmen have to keep away. Furthermore, the setting and curing of the hydraulical-setting material takes a great deal of time (a few weeks), which complicates and delays the time schedule for the work.
In any case, the production of such a floor screed requires qualified labour and, despite that, the surface of the screed is never free of defects and its mechanical strength as well as its hydrophobia are not optimal. In general, such a screed is further covered with a finishing covering such as tiling, plain carpet, linoleum, etc.
According to some known techniques, a layer of thermal insulant is interposed between the fabric of the floor and the floor screed.
It is also known for heating elements to be embedded within the floor screed, these sometimes being electric resistors but more commonly being serpentine coils which are connected to a feed circuit and through which a heat-transfer fluid can be made to circulate. When heating elements are embedded within the screed, it is obviously quite particularly advantageous for a thermal insulant to be interposed between this screed and the fabric of the floor.
It is also well known for an anti-vibration mat to be interposed between the fabric of the floor and the screed of this floor, thus providing acoustic insulation between the storeys and reducing, in particular, the transmission of footsteps to the storey below. Such screeds which are commonly known as "floating screeds" or "floating slabs" may possibly be equipped with heating elements embedded within them.
Patent Application DE-A-29 30 895 describes a floor including a screed which rests on its support via a thermally insulating layer and an acoustically insulating layer. The screed itself is poured in situ "by a wet route" and heating pipes are embedded within it.
All of these known techniques for producing floors which involve the pouring of screeds on site, inevitably lead to the drawbacks mentioned early.
A method for producing floating screed is known according to which successive layers of plaster board are placed on a mat of anti-vibration material. When these plaster boards are laid, care is taken to stagger the joints between the boards of one layer relative to the joints between the boards of the neighbouring layers. Such a floating screed is therefore produced dry and quite cleanly but its mechanical strength and its resistance to water are insufficient for certain
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Canfield Robert
Rebuild World RBW S.A.
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