Static structures (e.g. – buildings) – Facer held by stiffener-type frame – Lapped multiplanar surfacing attached to substructure...
Patent
1985-10-09
1988-04-19
Perham, Alfred C.
Static structures (e.g., buildings)
Facer held by stiffener-type frame
Lapped multiplanar surfacing attached to substructure...
52408, 52506, 52510, 52520, 52536, 52580, 52588, 52785, 52813, 52748, E04C 250, E04D 128, E04D 335
Patent
active
047380675
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a roof panel, which includes a support course for the supporting of a water-impervious layer or of a windproof layer, a lower diffusionproof layer and at least one insulating course located in the region between the lower diffusionproof layer and the course for the supporting of the water-impervious layer, and more specifically, the invention relates to a roof panel disposed with a frame, which forms the outer edges of roof panel, in addition to which the frame along opposite edges is including devices in order to affix to one another roof panels located adjacent to one another.
BACKGROUND
The constantly rising costs of material and labour in conjunction with building operations have led to an ever-increasing use of prefabricated units on building sites. Consequently an overwhelming proportion of the manual labor can be performed indoors, while the extent of the labor on the building site can be reduced. This leads to a rise in the quality of the completed building, since the bulk of the work takes place in an environment that is controlled with respect to wind and weather. These improvements in quality are especially noticeable in the use of constructional units that contain all walls or roof sections counted from the inside of the completed building to its outside. The present invention relates to a roof panel, which at least in certain embodiments is supplied to the building site in a completely finished condition, i.e. with both outer water-repellent roof cladding and completed inner roof cladding.
SUMMARY OF THE INVENTION
In accordance with the invention the roof panel consists of a frame, which is preferably formed of joined steel or aluminum beams. The frame forms the outer edges of the roof panel. The roof panel includes a course for supporting a water-impervious layer which comprises the outer roof cladding. Hereinafter, the term "support course is used for this aforementioned course. In certain embodiments, the support course" comprises a substrate for a windproof layer above which is disposed a separate water-impervious layer which may be a corrugated sheet. In the vicinity of the under side of the roof panel there is disposed a lower diffusionproof layer, in addition to which an insulating course is located in the region between the lower diffusionproof layer and the support course. Along one of its edges the roof panel is disposed with a section facing outwards from the edge and located predominantly below the limitation surface, which section forms an upwards-facing recess. The opposite edge of the roof panel is disposed with a device located below the lower limitation surface, the outer dimensions of said device being adapted to the inner dimensions of the recess so that with the panels placed edge to edge, the device of one roof panel fits into the recess of the other roof panel whereby the roof panels are locked in relation to one another.
In a preferred embodiment, the remaining two edges of the frame are constructed at in their upper edge regions for interaction with one another. Thus one of the edges has in its upper region an outwards-facing flange, while the other edge has in its upper region an inwards-facing flange, whereby the positions of the outwards-facing flange and the inwards-facing flange are so selected that with two roof panels placed edge to edge, the outwards-facing flange is located above the inwards-facing flange in order to allow the affixing of both flanges to one another.
In a further preferred embodiment, one of the edges stated in the preceding paragraph is disposed with an outwards-facing flange in the lower region of the edge, whereby the lower limitation surface of the outwards-facing flange is preferably located somewhat below the lower limitation surface of the roof panel. The outwards-facing flange thereby comprises a support device for abutment of the roof panel against a substrate, e.g. a roof beam, and additionally comprises a device for affixing the roof panel to the substrate.
In another emb
REFERENCES:
patent: 2115936 (1938-05-01), Sterns
patent: 3886705 (1975-06-01), Cornland
patent: 4130975 (1978-12-01), Kelley
patent: 4423581 (1984-01-01), Miller
patent: 4433514 (1984-02-01), Herges, Jr. et al.
patent: 4441291 (1984-04-01), Sokoler et al.
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