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Dec. 10, 1946.
Filed ‘Dec. 17, 1945
2 Sheets-Sheet 1
Dec. 10; 1946.
Filed Dec. 17, 1945
2 Sheets-Sheet 2
10, 1946
Maury I. Diggs, New Orleans, La., assignor' to
Higgins Industries, Inc., New Orleans, La., a
corporation of Louisiana
Application December 17,1945, ‘Serial No. 635,525
9 Claims. (Cl. 72-44)
This invention relates to a wall panel, useful
Figure 3 is a section taken along the line 3—3
of Figure 1, the lower part of the panel being
in the fabrication of buildings and like struc
broken away;
One of the objects of the invention is to pro
Figure 4 is a fragmentary plan view of the in
vide a, panel consisting of spaced parallel sheets (a side of one of the panel sheets, showing a ?nger
maintained in ?xed relation by intermediate
unit in ?at condition;
bonding members, inset from the edge faces of
the panel, whereby the edge faces may be left Open
Figure 5 is a fragmentary sectional .view of one
of the panel sheets, taken diametrically through
one of the ?nger units, showing the ?ngers bent
'all around so that an integral wall core may be
formed by pouring concrete in the space de?ned 10 up from the plane of the sheet;
Figure 6 is an exploded perspective view, partly
in section, showing the cooperative relationship
Another object of the invention is to provide
of the ?nger units of the respective panel sheets,
a wall panel comprislnga pair of spaced parallel
and the spacing collar, in forming the bonding . .
within a plurality of such panels arranged con
metallic sheets, each having ?xed thereto a plu- l5 pillar;
rality of spaced inwardly projecting ?ngers, the’
spacing pattern for the cooperating sheets being
Figure 7 is a diametrical cross-section through
the bonding pillar, the cementitious ?lling being
so related that corresponding ?ngers of 'the re-
spective sheets lie in juxtaposition, each group
Figure 8 is a top plan view of a, wall portion in- g
of juxtaposed ?ngers being ‘embedded in a pillar 2o eluding a corner, fabricated from contiguous wall
of set cement, whereby the ?ngers are bonded
in ?xed position and the sheets thereby ?xedly
Figure 9 is a perspective view of a clip for se
secured in spaced relation.
A further object of the invention is to provide
curing adjacent wall panels in end to end abut
a wall panel, as above described, in which the 25
groups of juxtaposed ?ngers are surrounded by
collars which may be cheaply made of paper or
?berboard, of uniform height, which determine’
the parallel spacing of the sheets, and which
Figure 10 is a perspective view of a corner clip.
Referring now to the drawings, the wall panelv
I, comprises two spaced sheets 2 and 3, of metal,
congruently arranged in spaced parallel relation.
The margins of the sheets are folded twice, at
serve as forms into which the pillars of cement 30 right angles, to 'give the panel ?at side andv end
are cast about the juxtaposed ?ngers.
faces in a width direction, and to form channel
Still another object of the invention is to pro?anges 4, extending around all sides of the sheets,
vide a wall panel as described, in which the‘ bondde?ning an inner peripheral channel 5. The
ing ?ngers are tack-welded to the respective
?anges 4 face inwardly when the sheets are set _
sheets in ?at position, and later bent up from 35 up in the panel bounding an open slot 6, which
the surface of the sheet preparatory to assemextends about the entire perimeter of the panel.
bling the panel. This permits the sheet to be
Each sheet is provided on its inner face, at
handled ?at in further processing, as for example,
spaced intervals, bot'iinlengthwise and widthwise,
‘ to receive the frit when the outer faces of the
with ?nger units 1.‘ Byt-‘way of example, for an
sheets are to be porcelain enameled, and permits 40 8’ by 4' sheet there may be'?fty ?nger units, uni
the sheets to be stacked ?at for transportion to
formly spaced apart, ?ve to a row widthwise, the .
the place where the panel is assembled.‘
Other objects of the invention will‘ appear as
spacing pattern being identical for all sheets of
a size, and equidistant from opposite edges, so
the following description of a )preferred and
that regardless of how the length dimension of
practical embodiment thereof proceeds.‘
45 the sheets of a pair are relatively oriented in con
In the drawings which accompany and form a
part of the following speci?cation;
structing the panel, the spacing centers of the .
clips, for both sheets, will be in precise transverse
' Figure 1 is a perspective view of a wall panel,
embodying the principles of the invention, the
Figure 4 Shows that the. ?nger units 7, each
intermediate portion being broken away, and the 50 in the flat, consist of a sheet metal base plate
spacing pattern for the bonding ?ngers being inin the form of a ring 8, having stampedout ?n
Figure 2 is a, section taken along the line 2-2
of Figure '1, showing also part of an adjacent
wall panel;
gers 9, with arcuate base portions in emanating
from corresponding sides of outwardly extending
welding lugs 8a and which follow the ‘curvature
55 of the ring, and tangentially extending end por
tions Ii, the tangential end portions extending
in the same direction with respect to the ‘circum
ference of the ring. The end portions each pref‘
and width dimensions of the sheet, and since they I
are offset from diameters
through the
spacing centers parallel to the respective length
diametrically opposite fold lines being parallel
and width dimensions of the panel, the inter- .
, leaved ?ngers from opposite sheets will bear
ranged in the. bonding pillar in pairs, as shown in Figure '7, the ?ngers of opposite pairs lying in I
to a diameter 'of the ring.
The clips ‘I are positioned. concentric with the
placed. This arrangement affords maximum re-'
erably terminates in an enlarged head l2.
. The ?ngers 9 are displaced at 90° intervals, and
have weakened fold lines l3, de?ning their bases,
spacing centers, and oriented until the fold lines
l3. at the bases of opposite pairs of fingers are
spaced parallel planes, the pairsbeing 90° dis
' inforcement
offset with respect to diameters of the ring par-v
‘aliel to the respective lengthvand vwidth dimen
' sions of the sheet.
This assures that when the ’
stresses , trans
mitted through the sheets comprising the panel;
as well as stresses tending to separate the sheet.
.Weights are placed upon the top sheet sum
cient to hold it in contact with all vof the collars '
complementary sheet is in position, the ?ngers of — . while the cement is setting. This straightens out
any wind in the sheets incident to the stamping
the respective sheets'will be out of meta-lliccon-w. ' of
the peripheral ?anges, or warping imparted '
tact, as shown in Figure 7. The ?nger units are
during the process of porcelain enameling, so
‘ then tack-welded to the sheet, as indicated at H, Y
that the faces of the panel are in true planes. I
the ?ngers 9 being left free. The ?nger units are
arranged identically on both sheets, so that all 20 When the cement in the collars has become set,
of the fingers of all of the finger units extend in l
the same direction, that is, all clockwise- or all
The ?nger units 1 are left ?at until the time
comes to assemble the sheets into a wall panel.
when ‘in ?at position they are below the level of
the ?anges 4, so that they create no impediment
the weights are removed and the panels are com
Figure 3 shows that when the ?ngers ‘I are _
bent into erect position, the-arcuate base por- , >
tions 9 cause the tangential end portions ll, Fig
ure 4, to become de?ected inwardly toward the
axis of the bonding pillar of cement which em
beds the ?ngers, and since it is the tangential.‘
to the ?at handling or stacking of the sheets. A ,
portions of the ?ngers of the respective sheets
large stock of identical sheets vmay be prepared
at one place and shipped stacked ?at to the place 30 which. interdigitate, these embrace and’ con?ne _
a portion of the cementitious mass so as to cause
a of_ assembling. Since the spacing pattern is ' it to compressively resist any force’ tending to
- symmetrical with respect to the opposite sides
separate thev sheets in the direction of the thick
ness dimension of the panel.
It is preferred to cast marginal tie wires in
the panel, useful for reinforcing the poured con
of the sheet’, there is no problem in matching the :
ends of the sheet in setting up the panel. To fab-y
' ricate the panel, all of the ?ngers 9 of the sheet
are bent out perpendicular to the plane of the
sheet along the fold lines l3, by means of pliers or
. crete mass which intersects the joints between "
contiguous panels, in the wall. This is done by
a special tool. The perpendicular ?ngers will be , 1
perforating ‘some or all of the collars I! in the
'in groups of four, one group for each ?nger unit, ~
peripheral borderv of the spacing pattern, as in
, two of which ?ngers will have their width dimen
sioned parallel to the length edges of the sheet,
while two will be parallel to the width edges.
Collars or tubes I5 are provided for each group,
._ said collars being in the form of cylinders of’
uniform height, open at both ends and of a di
- ameter to snugly embrace the ?ngers about their
dicated at II in Figure 2, and inserting the legs
or wire loops l8 through said perforations, so' as '.
to enter or intersect the space within said collars.
‘The legs become embedded in the’cementcom- '
3 .arcuate portions 9 and to enclose thearcuate
ends l3a of the lugs 8a. The cylinders may be t
of plural ply, paper, waterproofed with vshellac.
One of the sheets is now laid ?at with the ?n 60
gers uppermost, and a collar I5 is slipped‘ over
each group of four ‘?ngers until‘ the lower'endv ‘
of the collar rests upon the sheet. The collars
are self-centering, since they are guided by the
cam surfaces a?orded by the arcuate portions In 55
of the ?ngers. Now, a‘ settable cement composi
position and the loops thus ?xed. Thebights
of the loops l8 extend beyond the peripheral '
$10178 of the wall-panel, as shown in Figure 1,
but for convenience in handling the panel, they
may be temporarily bent so as to lie within the
con?nes of I the panel.
The wall panels may be variously arranged in
fabricating them into a wall, one of which ar-l
rangementalfor example, is shown in Figure 2,
in which two panels I and, la are shown, placed
in endwise juxtaposition withadiacent ?at faces
in abutment, being temporarily secured together
properties, is poured into each collar in plastic
by the resilient clips l9, which ‘spring over adja
cent ?anges 4. One of these clips is shown in
deeply embedded in the cement. The-heads l2
assist in keying the ?ngers in the cement.‘ Next,
shown extending from the respective panels,- each
widthof spacing between the sheets and para
ably of heat insulating nature.
allelism of the front and back faces of the panel.
Since the opposite ?ngers of each unit, when
a corner, formed by the panel lb,‘ placed at right
tion/which preferably has thermal insulation
perspective in Figure .9, having ?ared sides 29, '
state, to ?ll the same and to embed the ?ngers.
' The tangential portions ll of the ?ngers extend 60 which spread when the .clip is pressed against .
the ?anges l, to let the flanges ‘into the channel
_ inwardly toward the axis of the ‘group and are
seats 2|.
The reinforcing wire loops l8 ' are
into the peripheral channel 8 of the other panel, . l
the complementary sheet with projecting ?ngers
,is inverted and brought down parallel and con 65 in lapped relation intersecting the plane of the
joint'22 between the panels. Concrete is poured
gruently with the ?rst sheet, to embed the groups
into the space defined within the contiguous
of ?ngers of the complementary sheet in the ce
panels and about the binding pillars forming
ment bodies in the corresponding collars on the
an integral wall core. Thus the panels function
?rst sheet. The complementary sheet is pressed
down until it rests upon thecollars. Since these‘ 70 as self sustaining forms for the concrete, no other
forms being required. The concrete, is ' prefer
are of ur lform height, they determine uniform
V erect, are parallel respectively to the length 76
Figure 8 shows a wall arrangement, including \
angles to the panel I. with adjacent inner edges
of said panels in linear abutment. These edges
?ange being inbent to form a side ?ange parallel ‘
are temporarily held together by a corner-clip
to the plane of said sheet, said sheets being posi
tioned congruently in spaced relation to form a
peripheral slot bounded by said side
?anges E to let the bases of. said ?anges into the Cl surrounding
pillars between said sheets at
channel seats 25. The sides are then bent to
various points, said bonding pillars comprising
embrace the ends of the ?anges 4, as indicated at
spacing tubes of uniform length against the ends
26 in Figure 8. The outside of the corner is closed
of which said sheets abut, each spacing tube con
by an arcuate sheet 21‘, having longitudinal rab
tainlng a cementitious mass, and fingers juxta
bets 29 terminating in ?anges 30. This sheet is 10 posed
withln said spacing tubes ?xed to the re
slidably inserted from the top between the ad
sheets and embedded in the cementitious
jacent outer corners ofthe panels I and lb. The
reinforcing wire loops l8 overlap in the corner}
4. Wall panel comprising a pair of spaced
When the concrete is poured in, it forms a mono-' sheets
oi’ the same size and shape, each having
lithic wall core extending about the corner. . K, 15
a, peripheral ?ange to one side, perpendicular to
In addition to providing continuity of the
the plane of said sheet, the free end‘of said flange
space within contiguous wall panels, the periph
being lnbent to form a side ?ange parallel to the
' eral channel 6 which surrounds each Panel. af
of said sheet, said sheets being positioned
fords means for adjustably positioning and re
in spaced relation to form a. sur
taining adjunctive devices such as the roof rafter 20 congru'ently
slot bounded by said side
bolster Bl, shown in Figure 3. This consists of a
23, shown in perspective in Figure 10, having
sides 24, which spread when pressed against the
?anges, bonding pillars between said sheets at
various points, said bonding pillars comprising
spacing tubes of unlformlength against the ends
sheet metal member having an upper convex
rafter seat 32, of a width to overlie the peripheral
channel 6, having longitudinal right-angled rab
of which said sheets abut, each spacing tube con
bets forming seats which rest upon the upper
taining a body of cem'entitious mass, and sur
ends of the respective sheets of the wall panel
rounding groups of ?ngers ?xed to the respective
and‘ terminate in ?anges 33, which press the '
sheets, extending into the spacing tube from 0D
inner sides of adjacent flanges 4 of the -wall
poslte ends into juxtaposition within said tube, v
are thrust down into the soft concrete within the 30 and embedded in the cementitious mass.
- 5. Wall panel comprising a pair of spaced rec
' wall panel. The top of the bolster is formed with
tangular sheets of the same size, each having a
holes 34, through which more concrete‘ may be
peripheral ?ange to one side perpendicular to the
introduced to ?ll the space within the bolster and
panel through inherent resiliency. These ?anges
plane of said sheet, the free end of said ?ange
being inbent to form a side ?ange parallel to the
plane of said sheet, said sheets being positioned
unify it with the panel when the concrete has set.
The convex shape of the rafter .seat permits
rafters to be supportedv upon it at ‘various pitch
congruently in. spaced relation to form a sur
rounding peripheral slot bounded by said side ,
The invention contemplates making the faces
"of the panels with a plain metal ?nish or porce- ‘
lain enameled, or either or both faces may .be of 40
stainless steel, plain metal bonderized for, wall
of which said sheets abut, each spacing tube con
taining a cementitious mass and surrounding
groups of ?ngers of sheet material ?xed to the
paper, canvased or stippled, or provided with
any type of ?nish that may be desired.
The panel construction is adapted for floors
as well as walls, and for many other uses.
While I have in the above description disclosed
what I believe to be a preferred and practical
embodiment of the invention, it will be under
sheets having bonding pillars between them at
various ‘points, said bonding pillars comprising
spacing tubes of uniform length against the end
of which the sheets abut, a cementitious mass
respective sheets, extending into the spacing tube
from opposite ends into juxtaposition within said
tube and embedded in the cementitlous mass,
said ?ngers being arranged with the major cross
sectional dimension of some parallel to _ the
stood to those skilled in the art that the details
of construction and arrangement of‘ parts are by
wayof example and not to be construed aslimit-l
ing the scope of the invention.
What vI claim as my invention is:
1. Wall panel comprising a [pair of spaced
?anges, bonding pillars between said sheets at
various points, said bonding pillars comprising
spacing tubes of uniform length against the ends
length, and some parallel to the width, of said
6. Wall panel as claimed in claim 1, includ
ing tie wires extending at one end through per
forations in certain of said spacing tubes and
embedded in the cementltious mass therein, said
tie wires being long enough to extend beyond the
peripheral boundary of the panel.
7. Face element for a. wall panel of the type
formed of two of said elements spaced by cylin
within said spacing tubes, and ?ngers juxtaposed
within said spacing tubes ?xed to the respective 60 drical spacing tubes and united by cementitious pillars within said spacing tubes which embed
sheets and embedded in the cementitious mass.
I ?ngers projecting from both face elements, said
2. Wall panel comprising a pair of spaced
face element comprising a metal sheet having. a
metal sheets‘ having bonding pillars between
?ange surrounding one side thereof, a
them at various points, said bonding pillars com
prising spacing tubes of uniformlength against 65 plurality of ?nger units each comprising a base
plate, a plurality of ?ngers pliably joined thereto
the ends of which the sheets abut, a cementitious
at their base ends, said ?ngers being of greater
mass within said spacing tubes and metal ?ngers
length than the depth-of said ?ange, said base
juxtaposed within said spaclngtubes, fixed to
plate being welded to the ?ange-surrounded side
the respective sheets and embeddedin the ce
70 of said face element at points adjacent the base
mentitious mass.
3. Wall panel comprising a pair of spaced
sheets of the same size and shape, each having a
ends of said ?ngers.
8. In a wall panel of the type described, a face
element comprising a metal sheet having a pe
peripheral ?ange to one side, perpendicular to
the plane of said sheet, the free end of said 75 ripheral ?ange surrounding one side thereof, a
plurality of ?nger units, each comprising a base -
plate having welding lugs extending outwardly
beyond the periphery thereof at uniform circum
ierentially spaced intervals. said base plate being
welded to the ?ange-surrounded side vof ' said
sheet at points in said lugs, and ?ngers integral
with said lugs extending from a corresponding
side of each in a direction away from said sheet
or which the sheets abut. a set cementitious mass within said spacing tubes, each bonding v
pillar including a group of ?ngers from each
sheet. ?xed thereto, juxtaposed within a‘spacins
tube in spaced relation with their end portions
interdigitating, and embedded in the cementi
tious mass. said end .portions being inclined from
opposite directions toward the axis 0! said pillar
in planes. substantially perpendicular thereto,
whereby to con?ne a portion of the cementitious
' ' said ?ngers extending outwardly beyond the outf
mass within said interdisitat‘ing end portions,
"ermost ends of the respective adjacent lugs.
subject to compressive resistance to force tending
9. Wall panel comprising a Pair of spaced
to separate said sheetsin the direction of the
‘ sheets having bonding pillars between them at
points, said bonding pillars comprising
spacing tubes of uniform lensth against the ends
axis ofsaid pillar."
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