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Патент USA US2412785

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Dec.’ 17, 1946.
I
D_ TORRlCELLl
2,412,785 ‘
SEPTIC TANK
Filed 001;. 7, 1944
‘_-_4_/_ _____ _
S5
j! INVgENZTOR.
' Bymaéw
72,412,785?
'lnjatented Dec. 17, 1943
UNITED STATES PATENT OFFICE
2,412,785
'
'
Decio Torricelli,
SEPTICSpring?eld, Mass.
Application October 7, (01.’
19f1§vS§?2tl
gill-+6) No.
5 Claims.
r 1 receiving a vertical edge of bafile it. These end
This invention relates to septic tanks and is
directed to improvements in septic tanks formed
Walls are right and lefts-
rected to the provision of a septic tank construc
171
tion wherein a tank having single or plural com
partments may be formed by‘ cooperating pre
cast
sections.
‘
“
‘
‘in theglfooves B'Of‘the bottom wall 2 and the
vertical'edges of the side walls are disposed in the
‘
Various novel objects and advantages of the
invention will be hereinafter observed in ‘con
nection with the accompanying description of
the invention with reference to the accompany
ing drawing wherein:
‘
’
'
' ‘
In setting'up a tank having a single compart
merit, theside walls 12 and I4 are vertically dis
posed relative to ‘the bottom wall 2 with. their
lower edges in the‘g'rooves 4 and 6 thereof.
The end wal " ‘3d and 36 have their lower edges
from pre-cast components.
The principal objects of the invention are di~
vertica grooves such as 32 of the end walls. The
Vcros‘s'plate ‘2| has‘its opposite ends disposed in
10
‘he ‘grooves such'as 2%] of the sidewalls l2 and I4.
"jl?a?ies l‘! and 19 have opposite vertical edges
the vertical “groovespf the side andend walls
so as ‘to extend diagonally across the corners of
'
Figs. 1 to 41: inclusive are perspective views of
the bottom, side, end and partition wall members
the compartmentfas shown in Fig. 7, to pro
vide vertically disposed passageways.
An auxiliary baffle 23 vertically disposed is lo
'cated
between the ba?le l9 and side wall it.
Figs. '7 and 8 are plan and side elevational
An end cover plate 40 shown in Fig. 5, has
views respectively showing a single compartment 20 grooves
(57?‘ and 14.5 for receiving the upper edges
tank of the invention; ‘and
' "
of an end wall and the ‘upper edges of the side
Figs. 9 and 10 are plan and side elevational
walls. There ‘are two such end cover plates, one
views respectively showing a double compart
forming a part of the invention;
'
1Figs. 5‘and 6 are perspective views showing
end and center upper wall or cover members;
ment tank of the invention.
for each end'of the tank and ‘when in place on
the side and end walls said walls are held there
‘
Referring now to the drawing ‘more in detail,
the invention will be fully described.
by ‘in the desired relative position.
‘
‘
receivethe ‘edge portions of their respective com
preferably cast from concrete or a cement mixture in suitable molding equipment and the com
ponents
ponents may be reinforced with. metal if desired.
v
' ‘ The grooves are made large‘enough to loosely
The various components to be described are
30
A bottom wall 2 is shown in Fig. 1 which has
longitudinal and transverse wall receiving
grooves st and 6 on the outer sides of which there
are beads 8 and If].
when the walls are assembled as de
scribed the joints may he pointed up inside and
outside the compartment in the usual manner.
The member 411 may have ribs such as d6 which
are adapted to reinforce the said member. Por
ticnsl¥i3 are receivable in the notches M’.
The end wall 30 has an opening 55) behind
baffle ll and the opposite end wall 36 has an
opening 52 similar thereto. The opening 52 may
function as the inlet and sewage entering there
through flows downwardly at the rear of baffle
19 up and over cross plate 2| and upwardly be—
A side wall I2 is shown in Fig. 2 which may
be called a rear wall. On the upper edge of the
wall there are notches Id’ and a ‘projection I6.
A groove it extends downwardly from-the upper
edge thereof for receiving an edge of a ba?ie H
and a groove 26 extends upwardly from the lower :19 hind‘ba?le “to opening 50.
edge for receiving oneend of a cross plate 21.
Sludge strikes against cross plate 2! and as
As stated, the wall l2 shown is a rear wall and
a front wall I4 similar thereto is provided which
has grooves corresponding to the grooves l8 and
solid particlesuare liqui?ed sludge or unliqui?ed
material rises or at least remains in the com
partment while water ?ows out outlet Bill. The
arrangement of the baffles and cross plate pre
vents" solids and sludge from passing out of the
29 for‘ receiving an edge of a baffle 59. The front
and rear walls constitute a pair of right and
left hand walls.
‘
tank and to accomplish this the cross plate may
‘be located at any point longitudinally of the com
a
An end wall 3% is shown in Fig. 3 which has
side grooves 32 for receivinggthe end edges of
the front and rear walls l2 and M.v _A groove
34 extends downwardly from the upper edge for
receiving a vertical edge of baffle Ill. There are
two-similar end walls the other one beinugiindi
sated level; ‘and this wall 35’ has "agroov‘e for
0
partment.
A c nter
cover plate is shown in Fig. 6 and is
‘indicated by Gil. It has end grooves‘ 62 for re
ceiving the upper “edges of the portions Id of
theside walls ‘and may‘ have reinforcing ribs 6|.
When it is desired. in form a dquble compart- '
3
2,412,785
ment tank there is provided a partition or in
termediate end wall 10 shown in Fig. 4.
This wall ‘Ill has vertical grooves 12 for receiv
ing adjacent end edges of adjacent side walls [2
and I4. A groove 14 along the lower edge of wall
receives the beads 8 of adjacent bottom walls, as
shown in Fig. 1 with parts 16 in the grooves 6 of
said lower walls so as to hold or lock the lower
walls together. A groove 86 in the upper edge of
tending vertically upwardly therefrom having
portions disposed in the adjacent transverse
grooves of said bottom walls and provided with a
' transverse groove on the upper edge thereof and
vertical grooves on its opposite faces adjacent
opposite vertical sides thereof, end walls having
lower edges in the outermost transverse grooves
of the bottom walls and provided with grooves
adjacent vertical edges thereof, side walls having
the wall 10 forms part 82 which are received in ii) lower edges in the longitudinal grooves of the ,
the grooves lid of the end cover plates 40. An
bottom walls and opposite end edges in the grooves
opening 84 is provided in the lower portion of the. , of the end walls and intermediate wall, said side
wall 10.
. walls having upwardly extending projections on
The double compartment tank is shown in Figs. ' ' ‘the upper edges thereof and notches at opposite
‘ ends of said projections, end cover members hav
The bottom, side, intermediate and. end walls, , , ing grooves in the lower faces thereof in which
9 and 10.
are assembled together with the cross plates and
baiiies and pointed up as previously described and
the cover members are put in place so as to pro
vide a double compartment tank.
The sewage enters the leftrhandrend as in the
case of Figs. 7 and 8, and flows over cross plate
2| through wall member 10 over the other cross
plate and up through the passageway formed by
bailie l5) and out the outlet 50.
The invention may be embodied in other
speci?c forms without departing from the essen
the upper edges of the end walls and adjacent
portions of the side walls are receivable and pro
vided with portions at the ends of certain of
the grooves receivable in the notches of the side
walls adjacent said end walls, other cover mem
bers having grooves receiving the upper ‘edges
of adjacent side walls provided with portions at
the ends of certain of said grooves disposed in the
'- groove on the upper side of the central inter
mediate wall and in the notches of the side walls,
and central cover members having grooves on
tial characteristics thereof. Hence, the present
the lower faces thereof at their opposite‘ ends in
embodiments are therefore to be considered in all
which the projections of the side wall are disposed,
respects merely as being illustrative and not as 30 said end and intermediate walls provided with
being restrictive, the scope of the invention being
indicated by the appended claims rather'than
by the foregoing description, and all modi?ca
tions and variations as fall within the meaning
openings therethrough for the passageway ‘of
liquid into and out of said tank.
,
>
3. A septic tank comprising in combination, a
' pair of horizontally disposed adjacent bottom
and purview and range of equivalency .of the ap 35 walls each having longitudinal and transverse
pended claims are therefore intended to be
grooves adjacent opposite and adjacent edges
embraced , therein.
thereof, a central vertically disposed intermediate
What it is desired to claim and secure by Let
ters Patent of the United States is:
wall above the jointure of said bottom walls ex- '
tending vertically upwardly therefrom having
1., A septic tank comprising in combination, a 40 portions disposed in the adjacent transverse
bottom wall provided with longitudinal and
transverse grooves adjacent opposite and ad
grooves of said bottom walls and provided with
a transverse groove on the upper edge thereof
and vertical grooves on its opposite faces adja
jacent edges thereof, end and side walls having
lower edges disposed in said grooves and extend
cent opposite vertical sides thereof, end walls
ing upwardiy from said bottom wall, said end 45 having
lower edges in the outermost transverse
walls having vertically extending grooves in which
groovesof
the, bottom walls and provided with
the end edges of the side walls are disposed,
‘grooves adjacent vertical edges thereof, side walls
baf?es extending downwardly from upper edges
having lower edges in the longitudinal grooves
of adjacent side- and end walls disposed diago
of
the bottom walls and opposite end edges in
nally relative to said adjacent side and end walls
the grooves of the end walls and intermediate
to form therewith vertically disposed passage
wall, said side walls having upwardly extending
ways terminating upwardly from said bottom
‘projections on the upper edges thereof and
wall, said end walls provided with openings lead
notches at opposite ends of said projections, end
ing into said passageways, said side walls pro
vided on the upper edges thereof with upwardly 55 cover members having grooves in the lower faces
thereof in which the upper edges of the end walls
extending central projections intermediate the
and adjacent portions of the side walls are receiv
ends thereof and notches at the opposite ends of
able
and provided with portions at the ends of
the projections, end cover members having
certain of said grooves in the notches of the side
grooves in the lower faces thereof receiving the
walls adjacent said end walls, other cover mem
upper edges of said end walls and adjacent upper
60 bers having grooves receiving theupper edges of
edges of said side walls and provided with por
adjacent side walls and provided with portions
tions at the ends of certain of said grooves dis
at the ends of certain of said grooves disposed '
posed in said notches, and a central cover mem
in the groove on the'upper side of the central
ber having grooves in the lower face thereof in
which the projections of the side wall are receiv 65 wall and in the notches of the side wall, central
cover members having grooves on the lower faces
able and provided with ribs adjacent the ribs of
thereof in which the projections of therside wall
the end cover members, said cover members clos
are disposed, and ba?les at opposite ends of the
ing the tank and overlying the upper ends of
tank disposed diagonally relative to adjacent por
'
'
tions ‘of said side and end walls and extending
2. Aseptic tank comprising in combination,
a pair ‘of horizontally disposed adjacent bottom. 70 downwardly from upper edges of said‘ side and
end walls to form with said side and end walls
walls each, having longitudinal and transverse
vertical passageways terminating upwardly from
groovesv adjacent opposite and adjacent edges
said
bottom walls, said end walls adjacent upper
thereof, a central vertically disposed intermediate
edges thereof provided with openings leading into
Wall above the jointure of said bottom walls ex~
said passageways, and said intermediate wall pro
said passageways.
2,412,785
vided with an opening therethrough adjacent said
bottom walls.
4. A septic tank comprising in combination, a
pair of horizontally disposed adjacent bottom
walls each having longitudinal and transverse
grooves adjacent opposite and adjacent edges
thereof, a central vertically disposed intermediate
wall above the jointure of said bottom walls ex
walls each having longitudinal and transverse in tending vertically upwardly therefrom having
pair of horizontally disposed adjacent bottom
grooves adjacent opposite and adjacent edges
thereof, a central vertically disposed interme~
diate wall above the jointure of said bottom walls
extending vertically upwardly therefrom having
portions disposed in the adjacent transverse
grooves of said bottom walls and provided with
a transverse groove on the upper edge thereof
portions disposed in the adjacent transverse
grooves of said bottom walls and provided with a
transverse groove on the upper edge thereof‘ and
10 vertical grooves on its opposite faces adjacent
opposite vertical sides thereof, end walls having
lower edges in the outermost transverse grooves
of the bottom walls and provided with grooves
and vertical grooves on its opposite faces adjacent
adjacent vertical edges thereof, side walls having
opposite vertical sides thereof, end walls having
lower edges in the longitudinal grooves of the
15
lower edges in the outermost transverse grooves
bottom walls and opposite end edges in the grooves
of the bottom walls and provided with grooves
of the end walls and intermediate wall, said side
adjacent vertical edges thereof, side walls having
walls having upwardly extending projections on
lower edges in the longitudinal grooves of the
the upper edges thereof and notches at opposite '
bottom walls and opposite end edges in the
ends of said projections, end cover members havgrooves of the end walls and intermediate wall,
ing grooves in the lower faces thereof in which
said side walls having upwardly extending pro
the upper edges of the end walls and adjacent por
jections on the upper edges thereof and notches
tions of the side walls are receivable and pro“
at opposite ends of said projections, end cover
vided with portions at the ends of certain of
members having grooves in the lower faces
said grooves disposed in the notches of the side
thereof in which the upper edges of the end walls
walls adjacent said end walls, other cover memand adjacent portions of the side walls are receiv
bers having grooves receiving the upper edges of
able and provided with portions at the ends of
adjacent side walls and provided with portions
certain of said grooves receivable in the notches
at the ends of certain of said grooves disposed
of the side walls adjacent said end walls, other
in the groove on the upper side of the central wall
cover members having grooves receiving the upper 30 and in the notches of the side walls, central cover
edges of adjacent side walls and provided with
members having grooves on the lower faces
portions at the ends of certain of said grooves
thereof in which the projections of the side walls
receivable in the groove on the upper side of
are disposed, ba?les at opposite ends of the tank
the central wall and in the notches of the side
disposed diagonally relative to adjacent portions
35
walls, central cover members having grooves on
of said side and end walls and extending down
the lower faces thereof at their opposite ends in
wardly from upper edges of said side and end walls
which the projections of the side walls are dis
to form with said side and end walls vertical pas
posed, baiiles at opposite ends of the tank dis
sageways terminating upwardly from said bottom
posed diagonally relative to adjacent portions of
walls, said side and end walls ‘adjacent upper
40
said side and end walls and extending downwardly
edges thereof provided with openings leading into
from upper edges of said side and end walls to
said passageways, cross plates extending upwardly
form with said side and end walls vertical pas
from said bottom walls, and between said side
sageways terminating upwardly from said bottom
walls intermediate said end and central wall hav
walls, said end walls adjacent upper edges thereof
ing upper edges terminating in a horizontal plane
provided with openings leading into said passage
disposed upwardly from said bottom walls, and
ways, and said intermediate wall provided with
said intermediate wall provided with an opening
an opening therethrough adjacent said bottom
therethrough which is disposed below the hori
walls, and cross plates extending upwardly from
zontal plane of the upper edges of said cross
said bottom walls and between said side walls 50 plates.
intermediate said end and intermediate walls
‘ DECIO TORRICELLI.
terminating upwardly from said bottom Walls.
5. A septic tank comprising in combination, a
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