Static structures (e.g. – buildings) – Processes – Adhering preformed sheet-form member
Patent
1992-06-15
1994-07-26
Gall, Lloyd A.
Static structures (e.g., buildings)
Processes
Adhering preformed sheet-form member
524061, 206321, 206410, 206497, 428 74, E04G 2100
Patent
active
053317874
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention concerns a method for thermally and/or acoustically insulating buildings, in particular building roofs and outer walls, by inserting webs, i.e., strips, or sheets, i.e. panels of mineral wool, in particular rockwool, between such abutments, beams, studs or rafters, and a foil acting as a vapor guard or barrier being bonded or laminated to one side of the strips or panels, the free longitudinal edge bands of said foil being folded once or more often inward so that at least one longitudinal edge of the strips or panels projects outward beyond the particular folded edge band of the vapor barrier. The strips are wound into a roll or the panels are stacked on each other into packaged units.
DESCRIPTION OF THE PRIOR ART
A technique of the above kind is known from the German patent 31 36 935. However this state of the art involves making the strips or panels from superposed layers and to so mount these layers that they run at angles in a range from 10.degree. to 60.degree., preferably 15.degree. to 45.degree. relative to the plane of the strip or panel. The mineral fibers inside the layers being essentially parallel to the layer surfaces, this angular range also applies to the mineral fibers inside the strips or panels. As a result both the compressibility and the elasticity are increased when there is pressure on the side zones and the large surfaces of the strips or the panels. When being inserted between two beams, the strip or panel can be deformed by compressing the side zones to some extent in such manner that on account of its elasticity and compressibility, it will be self-retaining. In this manner and within a small range, compensation therefore may take place when the spacing between beams varies. This state of the art does not call for cutting the side edges of the strip or panels. The bonded or laminated vapor barrier is folded once or more often at the free longitudinal edges. The sole purpose of this feature is to prevent the vapor barrier from hampering the compression of the strip or panels being inserted between the beams, namely in relation to a further state of the art wherein the vapor barrier is bonded over its entire surface and projects by both side edges. A foil of kraft paper is bonded to these projecting side edges and encloses the two side edges of the strip or panel and the back side away from the vapor barrier. In this case the kraft paper prevents compression. Moreover there would be corrugations or folds in the vapor barrier.
The German patent 32 29 601 discloses another state of the art wherein a lamination strip is so deposited on an insulating layer of mineral-fiber felt that the edge zone of the insulating layer is exposed with removable edge bands. Optical marking lines are present so that edge bands along the marking lines can be cut off at the work site to match the requirements of the particular installation. However the insulation strip first must be spread into a plane, that is, if the strip was previously rolled up, it now must be unwound. In order not to damage the laminated strip projecting at the edges by edge zones, a cutting accessory in the form of a cut-resistant plane or board must be inserted between the lamination strip and the insulating layer. As the strips as a rule are very long, it is difficult to insert the plate over such a length and moreover cutting is difficult and time-consuming in spite of the marking lines.
Moreover an insulator is known from the German Offenlegungsschrift 22 16 371 which consists of a continuous elastic mat formed from bound fibers and with longitudinal edges. A cover layer is deposited by means of an adhesive on the mat, and this cover layer is either inwardly folded at the edge or reinforced by an edge band so that bonding of the cover layer is prevented in the vicinity of the edge strip. The edge strip is separated in manufacture, however, it is wound together with the mat to protect the sideways projecting edge strip of the cover layer. Following moving or shipping to the work site,
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Paulitschke Werner
Rudolph Karl
Deutsche Rockwool Mineralwoll-GmbH
Gall Lloyd A.
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