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Nov. 19, 1946.
Filed Feb. 21, 1944
, Mario
' ‘
Patented Nov. 19, 1946
'~ ‘ i
Merton 1‘. Straight, Des Moines,“Iowa
Application February 21, 1944, Serial No. 523,326
“5 Claims... (Cl. 72—127)
ranged in tiers. and’ secured together by mortar; '
4 is illustrated'similarly
in Fig.1;
, to'Fig.‘
~._ 3‘ and
Itis anbbject of this invention to provide
shows a modi?ed form‘ of the’ tubular insert; and
'1' Fig. 5 is a transverse ‘sectional view of a modi‘r" ‘
?ed form of wall construction of this invention." ‘
Another object of this invention is‘ to improve
the._;th_erma1.insulating. properties of a brick wall
Fig.of 3Fig.
is 1;
a transverse ‘ sectional vie"?‘ 'of'th'e‘“
type comprised .ofhorizontal .rows of blocks, ‘ ar- -
wall constructiom
ible tubular insert used in the wall construc
This invention relates to a Wall construction
and in particular to a wall construction of the
Referring to the drawing‘ there is illustrated in“
Fig. 1 a wall construction comprised of an inner '
Agufurther. objectotthis. invention is to pro
vide inia brickwall construction, means adapted
or main Wall l0 formed ‘of horizontal rows of
tiles or blocks “arranged "in tiers having mor'—' "
to economize .on. the amount of mortar used in
the ,wall ‘and = to increase . the thermal insulating
tar, indicated at H‘), for holding thejblo’cks to
properties, of. thewall, without impairing the
gether ‘in a usual manner. "An outer or veneer‘ ‘
15 Wall I2‘1aterally spaced ‘from the “inner wall‘lii‘ '
is formed‘ of bricks I'll-also arrangedv in‘ “hori'l‘ '
Yet another object oitthis.inventionisto pro
zontal‘rows ‘tiered oneabove the otherand see‘ '
vide, inna; brickwall construction means pre->
ventingl moisture. passing ‘through. the mortar“ ‘ cured together by mortar Ill. The innerwall l9‘
strength of thewalli
and outer wall l2 are connected ‘together by
fromoneside of the wall to the other.
A ‘still. further objectgof. this invention is‘to
provide in awalbconstruction comprised of an
hooks l‘ll eXtended‘ betweenlthe walls and, ‘an-v
chored at its ends in the mortarbetween‘ adja
cent rows of blocks ' H and bricks ‘E4 in the walls
innerqwalliand an outerlwall,‘ means for pre
venting the inner. and outer walls- being in ‘a
thermal exchange relation.
It ‘and lI-Z, ‘respectively. As thus‘ far described
the wall‘ construction isofa type well‘ known inl- .>
Aieature. of this‘ invention is found in' the‘
provision of a block wall construction havinga
In walls of thisbonstruction the outer '‘'sur?
faces of the blocks H‘ and bricks it are usually ,
. space thereindextendedl longitudinally of the Wall -
glazed, or the ‘blocks and bricks are‘ ‘composed ‘
between the sides thereof; adapted to receive in ‘
of a hard’materialso- as‘ to be substantially im-“f ‘
wedged engagement an elongated ‘?exible v‘tube- '
resistant to water. Mortar for holding the blocks 30 pervious to water. v"I‘he‘motar l5, ‘however, ‘is ‘of " ‘
a ratherlose consistenc'yso‘ that even after‘it
together is con?ned by the tube to each side‘ of‘
such-;space_;gso that. the tube prevents moisture
throughlb-y capillary action. Where the‘ ‘space "
passing it through :the ‘ ~ mortarafrom‘ one ‘ side of
the wall construction to the other“ 1
Another feature .of this =invention‘is found 'in
the provision,in a wall construction comprised of
an inner wall and .an outer wall spaced apart from
l6 between the walls iii and l2 is relatively small ‘ “
' the mortar [5, which overruns each wall, ‘extends
eachgother, of; elongated ?exible tubes‘ wedged
in the, space. between the walls and arranged
longitudinally of the walls. ~ .The tubes divide the -‘
walLspace intoa plurality of separate dead air
passages. so as “to prevent a‘oirculation of ‘air, ‘ '
by convection, across the adjacent‘ sides of the
inneriand outer walls whereby- to improve the
thermal insulating : characteristics ‘of the Wall
Further‘ objects,‘ features "and advantages of‘
becomes hardened moisture is able to pass there
into the space I6 so that mortar from'the‘ Walls
is in ‘contacting engagement, ‘or at least" in‘ an‘ "
overhanging relation within the space It. ‘As a
result moisture from the mortar in the ‘outer
wall ‘l2'i‘s able to passytc the mortar in the inner
wall H3 and‘ drains ‘outwardly from the "side
I‘! of ltheinner wall. "This passage of moisture _'
through the wallis, of ' course, objectionable be-‘
cause of the resulting dampness" in the space‘
adjacent the side ll-of the inner'wall H! and‘ L
a the possibility of resultantinjury to material. 16-"
cated- in such space.
I “
A further objection to this prior art wall'icon
this invention ‘will be apparent from the follow- ‘
struction is foundinthe fact that the wall
ing description when taken in connection with 50 readily conducts heat from one side to the other‘
the accompanying drawing in’which:v
so as to be a relativelydne?icient thermal in“
sulator. Thermal conduction through the wall
Figxl is a plan perspective view of one form
occurs by virtue of‘an air‘ circulation being set
of wall construction of this invention compris
up within the ‘space 16 by convection. Thus as
ing an inner wall and an outer wall;
Fig. 2‘is a perspective view of an elongated ?ex 55 suming the outer wall I 2 to be coldgand the inner
wall IIJ warm, air in the space I6 will flow down
wardly across the wall I2 and upwardly across
the inner wall II]. By virtue of this circulation
of air the wall I9 is constantly cooled and con
somewhat smaller in diameter than the tubes I8
so that the tubes I8a are relatively spaced verti
cally within the space I6. Each tube I8a is
positioned opposite the top of a row of bricks III
tinuously draws heat by conduction from the
in the outer wall I2, with every other tube I8a
side I1, and, therefore, is always continuously
being opposite the top of a row of blocks II in
cooled to in turn cool the space adjacent thereto.
the inner wall I0. The function of the tubes
These objections in the above described wall
I8a is similar in all respects to the tubes'IB de
construction are overcome in the present inven
tion by the insertion within the space I6 of ?ex 10 scribed in connection with Figs. 1 and 3 so that
a further description of the tubes I8a is believed
ible elongated tubular members or inserts I 8
to be unnecessary.
(Figs. 1 and 2). Each insert or tube I8 has
The modi?ed form of wall construction in Fig.
water repellant characteristics and may be com
5 is comprised‘ of horizontal rows of blocks 2|,
posed of tar paper, of heavy paper or thin metal
with each block being of the usual type having a
with an asphalt coating, or of thin rust-proof
metal. The tubes I8 are horizontally positioned 15 longitudinally extended groove 22 in the top and
a longitudinally extended groove 23 in the bot
in a vertically stacked relation within the space
tom thereof. In building this wall construction
I6 so as to extend longitudinally of the walls
the lower groove 23 in one tier is positioned op
Ill and I2, with this assembly of the tubes I8
posite an upper groove 22 in a next vertically ad
being made during the building up of the wall
20 jacent block 2| so that the grooves 22 and 23 de
?ne a space 24 which extends longitudinally
The diameter of the tubes I8 relative to the
with-in the wall. In the normal construction of
width of the space I6 is such that the tubes are
the wall in Fig. 5 the space 24 is entirely ?lled
slightly ?attened as indicated at I9, and wedged
in the space I6 between the walls II] and I2. By 25 with mortar I5 so that moisture is able to pass
by capillary action from one side to the other
virtue of this assembly of the tubes I 8 in the
of the wall. To prevent this passage of mois
wall construction the space I6 is divided into a
ture through the wall a tube I8 is located'in the
plurality of separated passages or pockets ex:
space 2% in a wedged position so as to be in con
tended longitudinally of the walls I0 and I2.
tacting engagement with the sides of the grooves
The air within the space I6 is thus incapable of
30 22 and 23. During the assembly of the wall the
being circulated by convection since it is con
?ned in pockets formed by the tubes.
tube I8 is initially positioned in the upper grooves
22 of lower blocks 2i and mortar I5 placed on
The Walls
In and I2, therefore, are thermally insulated
from each other to in turn provide for a wall
such lower blocks adjacent the tube I8. A next
upper row of blocks 21 is then placed
construction having e?icient thermal insulat~ 35
on the lower blocks with their bottom grooves 23
ing properties.
opposite the upper grooves 2| of the lower row
As illustrated in Figs. 1 and 2 two adjacent
rows of bricks I 4 provide a vertical height of
the outer wall I2 which is the equivalent of a
single row of blocks I I in the inner wall ID. The 40
size of each tube I8 is such that when it is in
serted in a wedged position within the space I6,
its vertical height is substantially equal to the
vertical height of a row of bricks I4, with the
?attened tube portions I9, resulting from the .
- tube being wedged within the space
I 6, extending
substantially to the top of a row of bricks I4.
As is clearly illustrated in Fig. 1 this construction
and arrangement of the tubes I8 provides for
alternate tubesin the space I6 having their
?attened portions I 9 extended substantially to
the top of a row of blocks II. Thus when
mortar is placed on the top of a row of bricls
I4 or blocks II the mortar is prevented from
entering the space It by the tubes I8 so that no
mortar overruns the walls III and I2‘ into the
space I6.
Since the'mortar which ?ows or overruns into
the space I6 performs no useful function in
of blocks. The tube i8 thus prevents any mortar
I5 from passing into the space 213 and provides a
gap between the portions of mortar I5 to each
side of the space 24 so as to prevent any ?ow of
moisture through the mortar I5 from one side of
the wall to the other.
Although the invention has beendescribed with
respect to several preferred embodiments there
of it is not to be so limited since changes therein
can be made which are within the full intended
scope of this invention as de?ned by the appended
I claim:
l. A wall construction comprising an inner wall
and an outer wall spaced apart from each other,
with each wall comprised of a row of horizontal
blocks arranged in tiers and secured together by
mortar, and ?exible water repellant tubes wedged
in the space between said inner wall and outer
wall and extended longitudinally of said two
walls, said tubes retaining the mortar at said
space within the con?nes of a corresponding wall
to obstruct the passage of moisture from the out
60 er wall to said inner wall through the mortar.
' mortar is entirely wasted.
2. A wall construction comprising an inner wall
the mortar within the con?nes of a wall Ii] and
and an outer wall having a space therebetween,
I2 by the tubes I8 produces a saving in the
- with each wall being comprised of blocks ar
mortar without in any way decreasing the over
all strength of the wall construction. ‘,It has 65 ranged in horizontal tiers and having mortar
therebetween, and flexible water repellant cylin
been found in practice that this saving in mortar
drical members of a diameter such that they can
substantially covers the cost of the tubes I 8. >
be wedged in the space between said two walls,
With the mortar in each wall I0 and I2 thus
said members being positioned horizontally be
separated by the tubes I8 a de?ned gap or space
tween said two walls, with a member having a
is provided between opposite horizontal layers of
mortar 55 in the walls Ill and I2 was to posi 70 wedging surface adjacent the top level of a tier
construction, such
Thus the holding of
tively eliminate any passage of water through
the mortar from one wall itopthe other.
In Fig. 4 the wall construction of Fig. 1 is
of blocks to retain the mortar between adjacent
tiers in a wall within the con?nes of the wall, 7
' 3. In a wall construction comprising horizontal
shown constructed with tubes I8a which are 75 tiers of blocks and mortar between said tiers for
securing the blocks together, means for prevent
ing moisture from travelling by capillary action
through said mortar from one side of the wall
construction to the other side thereof including
a water repellant ?exible tube, said blocks being
constructed and arranged to form a space within
the wall extended longitudinally of the wall, said
tube being horizontally positioned in said space
ture from travelling through said mortar lateral
ly of the wall including a ?exible tube having
water resistant characteristics, with the tube be
ing positioned in said space longitudinally of the
blocks and of a size adapted to be wedged be
tween the sides of corresponding grooves in ad
jacent tiers of blocks to hold the mortar against
entering said space.
and werlged between the sides of the space, with
5. A wall construction comprised of horizon
the mortar between adjacent tiers of blocks be
tiers of blocks with a layer of mortar between
ing con?ned by a tube from passing into said 10 adjacent tiers, and having a longitudinal passage
therein extended across a plane common to said
4. In a wall construction comprising horizon
layer of mortar, and a ?exible water repellent
tube in said passage intercepting said plane to
having a groove in the top and bottom extended
longitudinally of the block, with a top groove in 15 provide an air pocket within the wall and to keep
any moisture in said layer of mortar from seep
a block in one tier forming a space with the bot
ing across said passage.
tom groove in a block in a next adjacent tier,
tally tiered blocks with each block being of a type
with said two blocks being secured together by
mortar therebetween, means for preventing mois
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