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Патент USA US2129423

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Sept. 6, 1938.
Filed May 29, 1937
3 Sheets-Sheet l
Sept. 6, 1938.
H, @_ HAU'CH'
’ 2,129,423
Filed-May 29, 1957
3 Sheets-Sheet 2
Hen/*g 6*’. #duc/7 -
Sept. 6, 1938.
Filed May29, 1937
3 Sheets-Sheet 5
Patented Sept. 6, 1938
Henry G. Hauch, Oakland, Calif., assigner to
Ferro Enameling Company, Oakland, Calif., a
co-partnership consisting of Howard L. Brooks
and Harold B. Naylor
Application May 29, 1937, Serial No. 145,477"
5 Claims. (Cl. 1559-86)
Fig. ’7' is a cross-section the plane of which is
indicated by the line 1-1 of Fig. 6.
My invention relates to means for utilizing
enameled metal sheets in constructing buildings
and particularly for finishing the exposed exterior
Enameled metal sheets are well known for var
ious purposes and have been utilized from time
Fig. 8 is a cross-section the plane of which is
indicated by the line B-B of Fig. 6.
Fig. 9 is a cross-section comparable to Fig. l,
but showing a modified form of fastening.
to time in building construction, but certain diffi
culties present themselves since the metal on
the right side a cross-section, of an additionally
and interior surfaces thereof.
Fig. l0 is on the left side an elevation and on
modified form of building construction unit in
accordance with my invention.
Fig. 1l is an end elevation of the unit shown
which the enamel is placed is usually subject to
10 attack by the Weather; the finis-hed enameled,
sheets because of the high temperature of the
enameling process are not planar but present
undulatory or wavy surfaces which sometimes
in Fig. 10.
showing a building construction incorporating
the unit of Figs. 10 and l1.
produce undesirable architectural effects; and
15 the sheets are often diii‘icult to ship, handle and
In its preferred form, the building construction
install because of danger of chipping the enamel,
because they cannot ordinarily be readily worked
of my invention includes a suitable supporting
structure to which is fastened a building unit
comprised of a sheet of thermal insulating ma
terial to which a sheet of enameled metal is
on the site of the building operation, and par
ticularly because they are diliicult to fasten in
relatively small sections over an extensive area.
An object of my invention is to overcome all
secured, the fastening means for the building unit
being preferably such as to be readily applied by
workmen on the construction job, and being such
as to interlock marginally with the building units.
As an example, the building construction of
my invention is applied to a support 6, such as
of the difñculties mentioned heretofore.
Another object of my invention is in general
to provide a building construction in‘ which
enameled metal sheets can suitably be utilized.
A further object of my invention is to provide
an upright stud in the wall of a building, for
an economical and readily feasible manner of
illustration, to the exterior surface 'l thereof.
`To the support 6 I preferably secure the lower
providing metal enamel sheets for building con
An additional object of my invention is to pro
vide a method of supplying metal enamel building
units for use in building structures.
A still further object of my invention is in gen
eral to improve building construction~
The foregoing and other objects are attained
in the embodiments of the invention illustrated
in the drawings, in which
Fig. 1 is a cross-section, on a generally vertical
plane, of a fragment of building construction in
40 accordance with my invention.
Fig. 2 is a detail to an enlarged scale, of the
junction between various members of the build
ing unit of my invention.
Fig. 3 is an elevation, portions being broken
away, of a fragment of a building construction
in accordance with my invention.
Fig. 4 is a cross-section similar to Fig. 1, but
showing a modified building construction in ac
cordance with my invention.
Fig. 5 is a View similar to Fig. l, but showing
a further modified form of building construction
in accordance with my invention.
Fig. 6 is an elevation of a further modified form
of building construction in accordance with my
Fig. l2 is a cross-section on a vertical plane,
one 8 of a building unit which is comprised of
a sheet 9 of insulating material, preferably ther
mal :insulating material, of compressed fibre
suitably treated for resistance to disintegration
and forming a relatively dense, compact mass.
To the sheet 9, which is generally cut to a rec- «
tangular contour, although not necessarily so, I
preferably afñx a sheet ll which is of. relatively
thin metal, usually a ferrous metal, to the eX
posed surface I2v of which, particularly, has been
applied an enamel, usually a glass enamel.
The preparation of the enameled sheet Il is
standard'and results usually in the production of
a relatively undulatory, uneven, partially reflect
ing surface. The sheet ll is quite durable, ex
cept possibly for the marginal edges I3 thereof
where the metal may not be well protected. In
producing the building unit of my invention, I
preferably fabricate an enameled sheet Il of
similar shape to that of the insulating sheet 9
but of slightly smaller dimensions so that the
sheet 9 projects slightly, as at I4, from the
boundaries _of the metal sheet ll. When the
sheets are vbrought into superposition, I prefer
ably interposean adhesive layer I6 therebetween,
such as a layer of glue or cement, and then com
press the sheets together in a press, such as a
metal member, without materially affecting the
veneer press.
construction or mode of operation of my inven
The pressure exerted is in no wise detrimental
to the enameled surface of the sheet II, but is
If the building unit is to be applied to a brick
wall, for example, as shown in Fig. 4, I prefer
ably place the composite sheet 3| in Contact
effective not only to provide a verylclose adher
ence between the metal sheet I I and the insulat
ing sheet 9 but also to compress the material of
the sheet 9 somewhat to make it thinner than it
originally was and to make it considerably stiffer
10 and more rigid.
At the same time the undulatory
and uneven superñcial characteristics of the sheet
II are reduced, so that the sheet is relatively
smooth and planar and so that light is reflected
from it without material distortion. There thus
15 results a considerably improved sheet of metal
enamel, amply backed by a thermal insulating
layer, so that the composite unit is effective to
resist virtually all of. the elements.
As a final step in the preparation of the com
20 posite unit, I preferably bound the margin of the
sheet 9 with an edge which is nonplanar in cross
section-for instance, by rabbeting or cutting a
groove I1 which extends for substantially the full
thickness of the compressed sheet 9 but which
25 still leaves the projection I4 so that when the
units are shipped or otherwise handled, the edges
of the sheet II are mechanically protected.
The grooved, composite unit is assembled by
being placed against the support 6, and a wooden
30 strip I9 is placed within the groove I1, making
a reasonably accurate ñt therewith. The strip
I9 is usually referred to as “sticker stock” and
is a relatively standard commodity but p-refer
ably is treated with a preservative, such as creo
35 sote. It can be separately handled from the com
posite unit or can be temporarily mounted in
place on one of the sheets 9 by a nail 2I fasten
ing it in place; but preferably the strip I9 is
considerably longer than the length of one of the
4.0 composite building units, so that it is placed in
position after one of the units or a plurality of
the units are held against the stud 6.
The strip I9 is held in place against the stud 6
and simultaneously holds the panel or unit 9 in
45 position by a nail 22 which is driven in at an
angle such as to force the strip and composite
building unit against the stud 6 in a downward
and inward direction. When a horizontal course
of units has been mounted and held by the strips
50 I9, a superimposed horizontal course 23 or layer
of building units is placed and similarly held in
The upwardly projecting contour of
the strip I9 is such as to assist in guiding and
supporting the upper course 23 of units and also
55 to assist in crowding such units against the sup
port 6 when a strip corresponding to strip I9 is
placed upon them and nailed in position. In
this fashion an entire surface is applied to a sup
port 6 in a permanent and accurately aligned
60 but nevertheless simple manner which can be
effectuated by any ordinary workman.
As a final step, the space between the metal
sheet II and the enameled metal sheet 24 of the
unit 23 is sealed by a mastic 26 which is forced
65 into position so as to enter into all of the adja
with the brick support 32 and at a convenient or
suitable place provide a fastening such as a hook
33, one end of which engages a depression 34 in
the insulating sheet 36 of the unit 3I and the
other end of which is enlarged to provide a head
31 embedded in mortar or concrete 38. If de
sired, a finishing channel 39 can be placed over
the top of the unit 3| and can be embedded in the
mortar or concrete. An appropriate finished
surface 4I is made by troweling the mortar or
concrete. An attractive and firm anchorage is
thus provided for the superñcially applied build
ing unit.
In certain instances it may be desirable, by a
direct metallic connection, to preclude separation
between the metal enameled sheet of the build
ing unit and the support. Under such circum
stances, I preferably adopt a construction as dis
closed in Fig. 5, in which the metal enameled 25
sheet 46 is adhesively and compressively secured
to a backing material 41 of insulating board or
comparable substance. A metal hook 48 is
welded in place, as at 49, and extends through a
suitable passage 5I in the insulating material to a 30
hook end 52 embedded in the concrete 53 or com
parable material of the support. A suitable
weather-sealing material, such as mastic or paint
54, is applied to the otherwise exposed edges of
the enameled metal sheet 46. With this arrange 35
ment, the composite unit can be utilized as a
mold or form when the concrete 53 is poured to
make the wall 53 and embed the hook 52.
As another type of construction, I can provide
the arrangement shown in Figs. 6, 7 and 8, in 40
which I preferably provide an inverted metal
angle 6I on a supporting floor 62 and to the angle
at appropriate intervals fasten, as by welding
63, a plurality of upright angles 64, 66 and 61,
all preferably facing in the same general direc 45
To seal or close the spaces between the
sundry vertical angles, I preferably interpose
between each of them a plurality of building
units each comprised of a central sheet 68 of
thermal insulating material, to the opposite sides
of which have been ñxed adhesively and by com
pression enameled metal sheets 69 and 1I. The
sheets are somewhat less in dimensions than the
central material 68 which is provided on its mar
ginal edges with nonplanar irregularities, such .
as grooves 12 and ridges 13 adapted to nest there
with. Preferably, the grooves 12 are provided
on two adjacent sides of each of the units 68,
while the ridges 'I3 are provided on the remaining
two sides of the unit.
Each unit is interposed between a pair of the
uprights, such as 64 .and 66, and is forced down
wardly to rest upon the lower support angle 6I.
As soon as a horizontal course hastbeen laid, a
superposed course of inverted angles 16 is dis
cent interstices, as shown in Fig. 2, not only to
seal between the metal edges but also against the
insulating sheets and against the wooden strips
I9. The strip I9 is preferably chamfered, as at
30, so that the mastic interlocks behind the edges
of the sheets 9.
The form of the groove I1 and of the strip I9
posed between successive vertical angles 64, 66
can of course be varied in cross-section, and the
strip I9, although successfully fabricated of wood,
tion provides a very thin wall which is excellent
in appearance from opposite sides, is a good
75 can as readily be a hollow metal tube or a solid
thermal insulator, is resistant to disintegration
and 61, for example, and is welded, as at 11 and
18, to hold the previously positioned units. An
other horizontal course or layer of building units
is then disposed between the angles 64, 66 and
61, and is in turn held in place by angles, simi
lar to angles 16, welded in place. This construc
(particularly when the otherwise exposed edges
of the angles 64 are masked either by mastic 8|
or by clip strips 82), and is capable of With
standing considerable loading from all directions.
Although described as a wall or vertical panel,
the arrangement of Figs. 6, '7 and 8 is equally
feasible as a floor, ceiling or horizontal panel.
As disclosed in Fig. 9, the support 86 is abutted
by an adjacent pair of units 81 and 88, each of
which is marginally grooved to provide a chan
nel 89 inclined on one side and straight on the
other side. Within the space so formed a struc
tural shape, such as an angle iron 9|, is disposed,
and a fastener 92 passes through the angle and
engages the support 86. When the support 86
is wood, the fastener is preferably a screw, and
when, the support 86 is masonry, a lag bolt and
expansion shield are used. When the support
is metal, the fastener is preferably a bolt or
machine screw, or the angle 9| is directly Welded
to the support 86. vA filling 93 of mastic seals
the joint and completes the fabrication of the
If for any reason it is deemed inadvisable to
rely solely upon adhesion. between the enameled
surface sheet and the insulating backing, the
arrangement of Figs. 10, 11 and 12 is indicated.
There is first formed a flat metal sheet |0|, gen
erally rectangular in contour but having two
opposite edges |02 and |03 turned to provide
flanges. The contour of the flanges is such as to
deñne grooves |04 and |06, respectively, similar
in shape to the grooves in the sheets 9, for ex
ample. An enamel surface is fused upon this
sheet in the customary way, apertures |01 in the
sheet facilitating the fusing operation by reduc~
ing the support. A filling of mastic ||3 seals
the joint and interlocks with the apertures |01.
Since the angle iron ||| is in direct engagement
with the re-entrant grooves |04 and |06 which
preferably are horizontally disposed at the top
and bottom of a unit in a vertical wall, the pres
ence or absence of an adhesive between the sheets
|0| and |08 does not affect the permanence or
stability of the assembly.
I claim:
1. A building construction unit comprising an
enameled stiff metal sheet of predetermined di
mensions, and a compressed sheet of insulating
material of larger dimensions adhesively united
to said sheet and providing a margin there
2. A building construction unit comprising a
sheet of backing material having grooves in at
least some of the edges thereof, and a stiff sheet
of enameled metal secured to said backing sheet
and stopping short of the edges thereof.
3. A building construction comprising a sup
port, a sheet of backing material abutting said
support, a stiff sheet of enameled metal secured
to said backing sheet and stopping short of the
edges thereof, and means engaging said backing
sheet and said support for holding said metal
sheet with respect to said support.
4. A building construction comprising a sup
port, a pair of marginally grooved backing sheets
abutting said support, a stiff sheet of enameled
metal secured to each of said backing sheets and
stopping short of the edges thereof, means inter
engaging said backing sheets in said grooves and
fastened to said support, and a sealing means 35
disposed between said metal sheets and overlying
said interengaging means.
5. A building construction comprising a hori
Since the flanges are on only two opposite `
zontal vstrip of nonplanar cross-section, a pair
sides of the sheet |0|, a suitably grooved insu
of backing sheets disposed on opposite sides of 40
lating backing |08 can be slipped into place be
said strip and having marginal cross-sections
tween them and is held by mechanical inter
ing the tendency to warp and distort.
engagement. If desired, additional connection
may be had by an adhesive between the sheets
|0| and |08 and the assembly can be compressed
as previously described, slight distortions of the
flanges being immaterial or possibly beneficial.
The assembly is applied to a support |09 by an
angle iron ||| similar to the angle 9| (Fig. 9)
held in place by any suitable fastener ||2 engag
adapted substantially to abut and interengage
said strip, a stiff sheet of enameled metal secured
to each of said backing sheets and stopping short
of the edges thereof, said metal sheets being dis 45
posed in close proximity to each other, and means
overlying the edges of said metal sheets and said
strip to act as a mask therefor.
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