Year: 1886

page_text: We ERNEST JAMES HEWARD of 52 Wickham Road Brockley in the County of
Kent Surveyor and JOHN THOMAS MARTIN of 79 Lower Chester Street East
Greenwich Foreman of Roads do hereby declare the nature of this invention to be
as follows:-
This invention relates to that class of gully traps through which street or other
drainage is usually passed prior to its entering the sewer or other discharge.
These traps as ordinarily constructed consist essentially of a goose neck opening
out from the side of the gully and when used for street drainage said goose necks
are embedded in the foundation or earth some distance below the surface level.
One of the great disadvantages of this construction is the difficulty, amounting to
almost an impossibility, of clearing said goose neck should it become choked without
breaking up the road."
The object of our invention is to obviate this difficulty and at the same time
produce an effective and readily removable trap and this we propose to accomplish
in the following manner.
The discharge from the gully is preferably through an opening at the bottom
and into this we force and secure a pipe section of suitable area. The object of
having this section removable is to enable the gully to be readily cleansed. Fitting
into the top of said pipe section is the stem of a single or double U shaped trap
the outer ends opening downwardly toward the bottom of the gully. The top of
said trap is provided with a screw or other ring plug which on being removed
enables a rod to be passed through the short necks of the trap as also directly
down the pipe to a level below that of the gully bottom, while should the choking
be of a substantial nature the trap itself and also the lower pipe section may be
lifted out without breaking the road, through the ordinary street opening from
which the grating has been removed by any of the workmen usually employed.
Dated this 10th day of Ea1000
PHILIP M. JUSTICE,
55 and 56, Chancery Lane, London,
Applicants' Agent.

page_text: Improvements in and Connected with Gully Traps.
We ERNEST JAMES HEWARD of 52 Wickham Road Brockley in the County of
Kent, Surveyor and JOHN THOMAS MARTIN of 79 Lower Chester Street East
Greenwich, Foreman of Roads do hereby declare the nature of this invention and
in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement:-
This invention relates to that class of gully traps through which street or other
drainage is usually passed prior to its entering the sewer or other discharge.
These traps as ordinarily constructed consist essentially of a goose neck opening
out from the side of the gully and when used for street drainage said goose necks
are embedded in the foundation or earth some distance below the surface level.
One of the great disadvantages of this construction is the difficulty, amounting to
almost an impossibility of clearing said goose neck should it become choked without
breaking up the road.
The object of our invention is to obviate this difficulty and at the same time
produce an effective and readily removable trap and this we propose to accomplish
in the manner hereinafter described and shown in the accompanying drawings in
which―
Figure 1 is a section of the trap and gully chamber.
Figure 2 is a side view of same, the gully only being in section.
Figure 3 is a section of a gully showing the pipe from the trap taken out at the
side, and
Figure 4 is an enlarged sectional view of the trap and pipe joint.
The discharge to the drainage pipe C from the gully A may be at the side as
shown in Figure 3 or through an opening at the bottom as shown in Figs. 1 and 2,
the pipe sections being secured by a wedging action, and this is effected by forming
the end of the section B, with an enlarged shoulder gradually tapering off and
fitting or wedging into the opening of the pipe C. The object of having this
section removable is to enable the gully to be readily cleansed. Fitting into the
top of said pipe section B, by means of a similar wedge joint (the construction of
which is clearly shown in Figure 4) is the stem of a double U shaped trap E (or a
single one may be used if desired) the outer ends opening downwardly towards the
bottom of the gully as shown. The top of said trap is provided with a screw or
other ring plug F which on being removed enables a rod to be passed through the
short necks of the trap E as also directly down the pipe B to a low level, while
should the choking be of a serious nature the trap E itself and also the lower pipe
section B, may be lifted out (the former sideways) through the ordinary street or
surface opening when the grating G has been removed and this without breaking
the road surface.
The operation of the trapped gully is as follows.
The surface water flowing through the grating fills the gully and is drawn off
by suction down the trap until the level is brought to the bend of the trap, forming
a water seal which prevents the sewer cases escaning from the drain

page_text: Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed we declare that what
we claim is
The improved gully trap formed substantially in the manner and for the purposes
set forth.