IMPROVED ARRANGEMENTS FOR SEWER VENTILATION, AND IN APPARATUS OR APPLIANCES THEREFOR
Year: 1877

page_text: LETTERS PATENT to Christopher Crabb Ciceke, of Bournemouth, and Henry
Sharp, of Loscley Hurst, Bouinemouth, in the County of Hants, for the Inven-
tion of "IMPROVED ARRANGEMENTS FOR SEWER VENTILATION, AND IN APPARATUS
OR APPLIANCES THEREFOR
"
Sealed the 26th May 1877, and dated the 31st January 1877
PROVISIONAL SPECIFICATION left by the said Christopher Crabb Ciceke and
Henry Sharp at the Office of the Commissioners of Patents on the 31st
January 1877
CHRISTOPHER CRABB CREEKE, of Bournemouth, and HENRY SHARP, of Loseley
Hurst, Bournemouth, in the County of Hants "IMPROVED ARRANGEMENTS FOR
SEWER VENTILATION, AND IN APPARATUS OR APPLIANCES THEREFOR”
Our Invention consists of an improved construction of sewer ventilator which we
prefer to make in the following manner -Directly over the sewer a ventilating
shaft is placed with socketted sewer pipes inserted into (or rising out of) a capped
sewer pipe oi cap adjusted to the existing sewer rising to within about two fect of
the road surface, over which we place a double cylinder of cast metal, of salt glazed
stoneware, or other suitable material, the annular space of which is open at the top
and bottom, thereby forming a water and sludge chamber capable of allowing the
water to percolate away and the sludge to be cleared out occasionally, as may be
required Into the top of this shaft we insert a cylinder, preferably made of zinc,
having a galvanized wire net bottom, and at the top a truncated cone cylinder or
hood, so proportioned that the central aperture allows of a direct upward current,
and escapement of the deodorized sewer gas, while at the same time it protects the
charcoal or other deodorant deposited within the cylinder from the wet and dust of
the storms and road traffic by sloping off the same into the sludge chamber When
placing the charcoal cylinder into the shaft we lute the top of the shaft to the
under side of the hood, so that it is hermetically sealed thereby, and all escapement
prevented except through the charcoal Above this arrangement we place a strong
metal ventilating cap or road grating, for the shape of which we prefer a circle
comprising a hinged cap and its rebated periphery or frame The hinged cap
having a solid centre or disc so proportioned as to cover and protect the cone or
I u

page_text: hood of the charcoal cylinder, while round it are the apertures for allowing the
escape of the deodorized gas to the open air The curbing stone round this circular
frame and cap should be slightly sloped to the road surface so as to offer some
additional protection by causing the rainfall to drain from and not into the grating
These ventilating shafts and cylinders may be of any diameter (we prefer from four
inches to eighteen or twenty-four inches), and may be either circular or square, but
we prefer the circular
The object of this combination is to allow a direct and unimpeded curient of air
to ascend from the sewer, which in its passage becomes deodorized by the slow
combustion or oxidation which takes place during its passage through the charcoal
placed in the cylinder, which charcoal should be from-four to eight or ten_inches
thick and be laid lightly free from such dust or small particles as would lie too
solid.
SPECIFICATION in pursuance of the conditions of the Letters Patent filed by
the said Christopher Crabb Creeke and Henry Sharp in the Great Seal Patent
Office on the 31st July 1877
CHRISTOPHER CRABB CREEKF, of Bournemouth, and HENRY SHARP, of Loseley
Hurst, Bournemouth, in the County of Hants "IMPROVED ARRANGEMENTS FOR
SEWER VENTILATION, AND IN APparatus or APPLIANCES THEREFOR,”
Our Invention consists of an improved construction of sewer ventilator which we
substantially inake in the following manner -Duectly over the sewer a ventilating
shaft is placed with socketted sewer pipes inserted into (or sing out of) a capped
sewer pipe or cap adjusted to the existing sewer 11sing to within about two feet of
the road surface, over which we place double cylinder of cast metal, of salt glazed
stoneware, or other suitable material, the annulai space of which is open at the top
and bottom, thereby forming a water and sludge Chamber capable of allowing the
water to percolate away and the sludge to be cleared out occasionally, as may be
requied Into the top of this shaft we insert a cylinder, preferably made of zinc,
having a galvanized wie net bottom, and at the top a tiuncated cone cylinder oi
hood so proportioned that the central aperture allows of a diect upward current and
escapement of the deodorized or disinfected sewer gas, while at the same time it
protects the charcoal or other deodorant or disinfectant deposited within the cylinder
from the wet and dust of the storms and road trafhe by sloping off the same into the
sludge chamber When placing the charcoal cylinder into the shaft we lute the top of
the shaft to the under side of the hood so that it is hermetically sealed thereby, and
all escapement pievented, except through the charcoal Above this rangement we
place a strong metal ventilating cap or road grating (for the shape of which we prefer a
cucle) comprising a hinged cap and cup having a solid centre or dise so proportioned
as to cover and protect the cone oi hood of the charcoal cylinder, while round it are
the apertures for allowing the escape of the deodorized gas to the open air
The
curbing stone round this cucular frame and cap should be slightly sloped to the
road surface so as to offer some additional protection by causing the rainfall to diaın
from and not into the grating These ventilating shafts and cylinders may be of
any diameter (we prefer from four inches to eighteen or twenty-four inches), and
may be either cicular or square, but we prefer the circular
The object of this combination is to allow a direct and unimpeded current of air
to ascend from the sewer, which in its passage becomes deodorized by the slow
combustion on oxidation which takes place during its passage through the charcoal
placed in the cylinder, which charcoal should be from four to eight or ten inches
thick, and be laid lightly, fiee from dust or small particles as would lay too solid.
Having thus fai described the nature of the said Invention, and incidentally
intimated in what manner the same is to be performed or carried out in practice,
we will now proceed (aided by the accompanying Diawings) to further and pai-

page_text: Fig 1 is a sectional elevation of our improved arrangement, Fig 2, top plan of
Fig 1, Fig 3, section on line A, B, Fig 1.
Fig 4, sectional view of top part of ventilating shaft with zinc cylinder fitted on
same in which the charcoal is placed
In these Figures the same letters indicate corresponding parts wherever they
occur
A is the ventilating shaft rising out of and secured to the capped sewer pipe B
The ventilating pipe A rises to within a short distance of the road surface, as
shown D is cylinder inserted in the top of the ventilating shaft In said cylinder
is placed the charcoal, and the said cylinder is luted at a with some plastic material
pressed upon the Iventilating shaft, thus ensuring the escape to be only through the
charcoal The cylinder has a wie net bottom E, and to the top is fitted a truncated
cone, cylinder, or hood F, same being so peculiarly formed as to allow a direct up
current from the ventilating pipe A of the deodorized or disinfected sewer gas,
while at the same time it protects the charcoal in the cylinde G chamber o
cylinder arranged round the ventilating pipe for wet and sludge, same being open
at the bottom, H, ventilating cap and giating placed over the ventilating shaft
and sludge chamber
•
The gas from the sewer rises by the ventilating shaft A into the cylinder D by
the wire bottom E into and through the charcoal where it is deodorized, and as
deodorized issues out by the openings in the cap H, as indicated by the arrows.
Having now particularly described and ascertained the nature of the suid Inven-
tion, and in what manner the same is to be performed or carried out in practice, we
hereby declare that we claim the Invention of "Improved Arrangements for Sewer
Ventilation, and in Apparatus or Appliances therefor," substantially as the same is
herein-before set forth and described and illustrated by the accompanying Drawings,
the important and particular point thereof being the peculiar form (substantially as
herein-before described) of the upper part of the ventilating shaft or pipe provided
with the charcoal, or deodorizer, or disinfectant, so as to allow a duect up-cument
from the ventilating shaft or pipe of the deodorized or disinfected sewer gas, while
at the same time the deodorant or disinfectant is protected from the descent into
same of the dust, wet, and sludge from the 1oadway
In witness whereof, we, the said Christopher Crabb Creeke and Henry Sharp,
have hereunto set our hands and seals, this Twenty-eighth day of July, in
the year of our Lord One thousand eight hundred and seventy-seven.