Static structures (e.g. – buildings) – Inclined top cover – On existing roof
Patent
1986-12-08
1989-01-31
Bell, J. Karl
Static structures (e.g., buildings)
Inclined top cover
On existing roof
52809, E04B 710, E04C 250
Patent
active
048006912
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a self-supporting element of great length for the construction of a roof of a building and in particular an industrial building (workshop, warehouse, hall), commercial building (covered market), school, sports, or administration building, or a building for living quarters, and the roof formed by the combination of a plurality of these elements disposed parallel to each other and assembled along their longitudinal edges.
It is already known to roof buildings by means of self-supporting elements of great length which are assembled in pairs along their longitudinal edges so as to form in this case a roof having one row and which are sometimes also assembled in pairs by the abutment of their tranverse end edges so as to form in this case a roof having two or more rows of juxtaposed elements.
These self-supporting elements are very often equipped in the workshop with devices performing the future technical functions of the building, such as the insulation, lighting, heating, ventilation, protection against fire, discharge of smoke, so that the functional equipment to be provided on the building site are reduced to a minimum.
Indeed, it is sufficient to bring to the site the elements manufactured in accordance with such a design, raise them and place them on the existing supporting structure (framework of metal or concrete), assemble them in pairs by their longitudinal edges and, as the case may be, by their transvers end edges, and finally connect the technical devices of each element to the electrical, hot water or steam supplies for example, for the building to be completely equipped in a functional way at the same time as it is insulated and protected from the weather.
The self-supporting elements available at the present time in the field of building roofs are either of concrete or of protected steel sheets which cover a blanket or layer of glass wool supported by the under-sides rendered integral with the outer sheets by connecting devices which are most often simultaneously associated with the technical devices which in this way participate in the supporting of the under-sides and the insulating blanket.
The concrete elements have the obvious drawback of being particularly heavy; the elements of protected steel sheet, such as those disclosed in French patent Nos. 1,558,925 and 71 28,624/2,147,866, have the drawback of being relatively complex and therefore expensive to manufacture. In the latter elements, the blankets of glass wool which provide the insulation of the buildings are produced by the most conventional technique, the fibres of the glass wool extending along planes substantially parallel to the large surfaces of the blankets.
In order to simplify manufacture of such self-supporting elements and also simplify their transport between the place of manufacture and the site of their assembly, it has been envisaged to construct the self-supporting elements by the association of two main constituents, on one hand, a framework of metal section elements extending in a continuous manner between the two longitudinal edges of the element and between its two transverse end edges so as to ensure the selfsupporting character of said element, and, on the other hand, an insulating cladding capable of being supported by said framework.
Elements of this type, such as those disclosed for example in French patent application Nos. 82 07272 (French patent No. 2,525,659) and 82 09304 (French patent No. 2,527,671) have the advantage of being capable of being assembled as a framework-cladding unit indifferently in the workshop or on the building site.
If the manufacture of the two main components of each self-supporting element is carried out in the same factory, the metal frameworks on one hand and the insulating claddings on the other may be stored independently.
But, and it is in this respect that these new designs present a great advantage, the metal frameworks and the insulating claddings may be manufactured in two distinct places, the noble constituents forming the insulating cladd
Bell J. Karl
Hinds William R.
Theault & Cie
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