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Патент USA US3056485

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Oct. 2, 1962
Filed July 25. 1957
Unitcd grates Patent 90' 1C@
Patented Oct. 2, 1962
a ceiling panelling with the arrangement according to
Jean Fischer, Sankt Clemens, Denmark
Fiied Juiy 25, 1957, Ser. No. 674,189
the invention during the mounting,
FIG. 2, a vertical section, eg as indicated by the line
11-11 in FIG. 1, through a wooden rail secured to the
ceiling and the end portions, carried by the said rail,
of two panels, and
FIG. 3, part of a ceiling panelling according to the
invention in a modi?ed embodiment, viewed from below.
According to FIG. 1 a number of parallel, equidistant
rectangular aluminium panels are often preferred to 10 carrying rails 1 of ‘wood are secured to a ceiling surface,
panellings of wood ?bre plate or similar material due to
not shown, in some appropriate manner, and to these
the strongly reduced or possibly completely eliminated
carrying rails elongated, rectangular aluminium panels 2
risk of tire of the aluminium panelling. The mounting
are secured, each of which has a length corresponding
of such aluminium panels has, however, hitherto been
to twice the spacing between the rails 1 and which are
rather cumbersome, and the mounting work has there 15 mounted in rows in continuation of each other and with
fore enhanced the costs of the ?nished panelling consider
the butts staggered in two adjacent rows. The length
and width of the individual panels may for example
The purpose of the invention is to avoid such mount
be about 60 cm. and about 10 cm., respectively, and by
ing di?iculties or in other words to provide a sound
a simple pressing operation or otherwise they have been
deadening panelling, in which the mounting of the indi 20 given the trough-shape shown on the drawing with a
vidual panels can be performed exceedingly easily and
substantially plane bottom and four side walls at right
quickly, while likewise a dismounting, in case of need,
angles to the latter, the said side walls being connected
for example to provide access to a sound-quenching layer
with the ‘bottom through obliquely extending sections,
of material above or behind the panels, will give only
see also FIG. 2.
little trouble.
Each of the panels 2 is at one end provided with
Thus, the invention relates to an arrangement in wall
three attachment lugs 3 which are tacked on to the
or ceiling panellings consisting of generally elongated
overlying carrying rail 1. At the opposite end the panels
rectangular panels of thin sheet material such as alumini
comprise two projecting carrying lugs 4 which during the
um plate, the said panels being trough-shaped to be able
mounting, see the panel 2' in FIG. 1, are inserted be
to accommodate sound-quenching material and being at
tween the attachment lugs 3 on the panel 2" already
one end tacked on, or secured in other manner, to the
mounted and will thus rest on the edge of the end wall
Claims priority, application Denmark Aug. 1, 1956
Claim. (Cl. 189-86)
For sound-deadening wall or ceiling panellings, long
wall or ceiling surface or to a system of rails on the
of the latter panel. When the panel 2’ has been brought
latter while at the other end the panels are carried by
into this position, the other end, not shown on the draw
the adjacent end, secured to the support, of one or more
ing, is secured to the overlying rail 1 by means of tacks
adjacent panels. According to the invention, the ar 35 5, FIG. 2, in the attachment lugs at the end of the said
rangement is characterised in that at their ?rst-mentioned
end the panels are provided with a number of attachment
The panels may in a well-known manner be provided
lugs projecting from the end and are at their other end
with suitable perforations in the bottom, and during the
provided with one or more projecting carrying lugs en
mounting there may in or over the panels be placed a
gaging between the attachment lugs on the edge of one
sound-quenching material suited to the conditions.
or more ‘adjacent panels. During the mounting work
As will appear from FIG. 1, compare the panel 2’
the carrying lugs on one panel are only inserted between
which is being mounted, the panels may prior to the
the attachment lugs of a panel already mounted, where
upon the opposite end of the former panel is secured to
mounting, be slightly curved in their longitudinal direc
A panel construction is already known (from German
speci?cation No. 11,698) consisting of a number of
tral parts of the panels are pressed against the overlying
tion so that their central parts are above the plane de
the ceiling or Wall surface or to its rail system by means 45 ?ned by lugs 3 and 4. In doing so, the panels are
of tacks, staples, or similar means.
slightly strained when being mounted because the cen
carrying rails 1. A particular advantage obtained here
plates which at one end are double~bent to form a pocket
by is that, especially in the case of comparatively long
for receiving the slightly oif-set other end of the neigh 50 panels, a not insigni?cant saving of material may be
bouring plate. A similar arrangement of assembly may
obtained owing to an increased rigidity against the bend
be provided at the other edges of the plate. This known
ing down of the panels between their supported ends.
arrangement does not, as is the case with the arrangement
The curvature of the panels need ‘only be very slight
according to the invention, produce an “intertwinement”
so that the straightening deformations to which the panels
of the attachment lugs and the carrying lug-s, and the 55 are exposed during the mounting will be slight too.
The panels 6 shown in FIG. 3 may be designed exactly
arrangement according to the invention further possesses
like the panels 2 in FIGS. 1 and 2 with the only differ
the advantages that some material is saved ‘and that the
ence that the number of carrying lugs at one end of
manufacture of the plates is made cheaper in that the
the panel is equal to the number of attachment lugs at
invention does not require the double bending of one plate
edge to form a pocket.
60 the other end of the panel so that the two ends of the
panel are in fact identical. As the carrying lugs are
located in line with the spacings between the attachment
lugs, it does not matter, during the mounting of a panel,
same Width as the spacing between the adjacent attach
whether its “attachment lugs” or “carrying lugs” are
ment lugs, in this case, the engagement or “intertwine
ment” between the carrying lugs and the ‘attachment lugs 65 brought into engagement with a panel already mounted.
FIG. 3 ‘further shows that the panels may be arranged
will during the mounting automatically ensure a correct
in rows extending at right angles to the longitudinal di
placing of a new panel in relation to one or more panels
rection ‘of the panels. The joints between the panels
already mounted.
A particular embodiment of the invention is char
acterised in that the carrying lugs have substantially the
The invention will be more fully explained with ref
erence to the accompanying drawing on which:
FIG. 1 shows an axonometric illustration of part of
of these rows may lie in extension of each other as in
70 dicated in FIG. 3 or may be displaced from row to row.
At the edges of the wall or ceiling surface on which
the panelling is arranged, ornamental lists may, if so
desired, be provided to support the ends or edges of the
panels or to conceal the attachment lugs.
I claim:
A ceiling composed of 1a plurality of spaced parallel
stringers having ‘co-planar lower faces, and a plurality
of sheet metal panelling elements arranged end to end in
parallel rows, the elements in one row being staggered
with respect to those of the adjoining rows, each element
extending lengthwise ‘from one stringer across a second
stringer to a third stringer, each element comprising an 10
elongated rectangular body portion normally slightly
curved in its longitudinal direction with the convex side
of the curve facing the stringers, a ?rst pair of bent
over ?anges extending ‘along the opposite end edges of
said body portion and protruding on the convex side there 15
of, and another pair of bent-over ?anges extending along
the opposite side edges of said body portion and also
protruding on the convex side thereof and engaging against
the lower face of the second stringer, said ?anges being
of equal height, one of the ?anges of said ?rst pair of 20
vfrom the ?ange in the longitudinal direction of the ele
ment and being of a width substantially equal to the space
between said plurality of tongues, means securing the
tongues of one of the ?anges of the ?rst pair directly
to the first stringer, the tongues of the other of the
?anges of the ?rst pair of the next succeeding end-to-end
element engaging beneath such ?ange, and means secur
ing the tongues of the other of the ?anges of the ?rst
pair of such succeeding element directly to the stringer,
said element being thereby deformed out of its normally
curved shape into a ?at shape, thereby preventing sagging
of the central part of the element, and the lower faces
‘of all the elements being ‘co-planar.
References Cited in the ?le of this patent
Re. 23,568
Kinghorn ____________ __ Oct. 28, 1952
Ewing _______________ __ Aug. 25, 1891
tDu Montier __________ __ Jan. 15, 1907
DOW ____|, ____________ __ Nov. 28, 1939
Italy ________________ __ Oct. 31, 1932
Great Britain _________ __ Oct. 19, 1937
?anges having a plurality of spaced tongues projecting
outwardly from the ?ange in the longitudinal direction
of the element, and the other ?ange of said ?rst pair
of ?anges having at least one tongue projecting outwardly
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