Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-12-27
1997-12-16
Thomas, Alexander
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156265, 156266, 1563041, 156512, 428 74, B32B 3100
Patent
active
056980582
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a mineral wool panel and a method for its construction.
Sandwich panels used for constructing walls and/or roofs of buildings are known. These known panels consist of two flat or fretted metal sheets between which a layer of insulating material, generally mineral wool with orientated fibres, is interposed.
The insulating material is introduced between the metal sheets generally in the form of side-by-side strips with their longitudinal axis perpendicular to the longitudinal axis of the panel and with the fibres orientated perpendicular to the sheet surface.
In other cases the covering sheets can be of plastics, textile, paper or wooden material, and in further cases only one covering sheet is provided.
These known panels have however certain drawbacks, and in particular: the longitudinal direction of the filling,
Again, introducing the insulating material in the form of side-by-side strips with their longitudinal axis parallel to the panel axis has the drawback of longitudinal discontinuity, whether the configuration is one in which they have a common transverse front or one in which they are offset in a stepped arrangement.
An object of the invention is to obviate these drawbacks by providing a method for constructing panels, substantially similar to the aforesaid, which have good transverse rigidity so as to support the tangential forces when subjected to bending stress.
A further object of the invention is to provide a method which can be implemented continuously or discontinuously, and automatically or non-automatically.
These and further objects which will be apparent from the ensuing description. The invention relates to a mineral wool panel including at least one covering sheet supporting a mineral wool blanket, the mineral wool blanket has a plurality of side-by-side strips with their longitudinal axis being parallel to a mineral wool panel axis and the fibers of the side-by-side strips being oriented perpendicular to the surface of the covering sheet, wherein the strips are offset in accordance with one another in accordance with a pseudo-random arrangement.
The mineral wool panel is formed by a process which includes longitudinally cutting the mineral wool blanket to form a plurality of series of side-by-side strips having their fibers horizontal and arranged transverse to their longitudinal axis, advancing the series of side-by-side strips in a direction transverse to their longitudinal axis and rotating the individual strips of the series through 90.degree., wherein the first series of strips is provided spaced apart in a direction parallel to their direction of advancement and the spaced apart strips are advanced in a direction parallel to their longitudinal axis. The front ends of the strips are longitudinally offset, the strips are then laterally compacted, the strips are then fixed to the covering sheet, and then a second series of strips are brought into rearward abutment by advancing them against the first series of strips.
BRIEF DESCRIPTION OF THE DRAWINGS
The present invention is further clarified hereinafter with reference to the accompanying drawings, in which:
FIG. 1 is a perspective view of a panel according to the invention partly without its upper metal sheet,
FIG. 2 is a plan view of a plant for continuously constructing the panel of FIG. 1,
FIG. 3 is an enlarged view thereof taken on the line III--III of FIG. 2,
FIG. 4 is an enlarged cross-section therethrough on the line IV--IV of FIG. 2,
FIG. 5 is an enlarged section therethrough on the line V--V of FIG. 2,
FIG. 6 is an enlarged section therethrough on the line VI--VI of FIG. 2,
FIG. 7 is an enlarged section therethrough on the line VII--VII of FIG. 2,
FIG. 8 is a view thereof on the line VIII--VIII of FIG. 2,
FIG. 9 is a partial plan view of a different plant embodiment, and
FIG. 10 is an enlarged cross-section therethrough on the line X--X of FIG. 9.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
As can be seen form the figures, the plant for constructing the panel according to the inventio
REFERENCES:
patent: 5073426 (1991-12-01), Blaauw
patent: 5313758 (1994-05-01), Willman
patent: 5328739 (1994-07-01), Heselius et al.
Metecno S.P.A.
Thomas Alexander
LandOfFree
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