An Improved Gully-trap for Drains.
Year: 1893

page_text: Date of Application, 16th Nov., 1893
Complete Specification Left, 21st Dec., 1893-Accepted, 31st Mar., 1894
PROVISIONAL SPECIFICATION.
An Improved Gully-trap for Drains.
WILLIAM EDWARD POWNALL Assistant Surveyor Royal Engineer Establish-
ment Cork ROBERT WILLIAM HAMMOND Assistant Surveyor Royal Engineer
Establishment Royal Engineer Office, Cork do hereby declare the nature of
this invention to be as follows:-
A gulley trap on an improved principle with receiver & trap, with a separate
compartment in the trap portion finished with a double seal, affording casy and
great facilities for cleaning & clearing obstruction with the ordinary drain
clearing rods.
The trap to be of stoneware, or cast iron, with a receiver, the outlet can either
be right or left handed or at any angle or both right & left handed, which for
convenience can be placed in position & the one not required can be sealed.
Dated this 4th day of December 1893.
WILLIAM EDWARD POWNALL.
ROBERT WILLIAM HAMMOND.
COMPLETE SPECIFICATION.
An Improved Gully-trap for Drains.
WILLIAM EDWARD POWNALL, Royal Engineers Office The Barracks Cork,.
Assistant Surveyor Royal Engineers Establishment, ROBERT WILLIAM HAMMOND,
Royal Engineers Office The Barracks Cork, Assistant Surveyor Royal Engineers
Establishment do hereby declare the nature of the invention for AN IMPROVED
GULLY-TRAP FOR DRAINS and in what manner the same is to be performed, to be
particularly described and ascertained in and by the following statement :-
A gully-trap with cleaning eye in separate compartment so constructed that.
the portion required to be cleaned by the general public i.e. the receiver, is easily
accessible; but that the trap and drain portion & cleaning eye is only accessible.
to men employed by engineering or works departments.
General Specification: The gully-trap to be made in stoneware or cast iron in
sizes suitable to the various sized drain pipes, the cleaning eye, see "D" Figs. 3.
& 4, to be of stoneware or metal, fastened by means of a tar & pitch air-tight.
joint and fitted with a metal ring with bolt for loosening when requiring to open.
The cover, see Fig. 2, to cleaning compartment is to be of cast or wrot iron,
fitted with studs into a rebated frame and fastened by means of a gun metal turn-
buckle or other similar contrivance and opened by a metal T key fitted with studs
for fitting into holes formed in head of turnbuckle.
The grate and frame to receiver, see Fig. "2," to be of any ordinary stock
pattern; either hinged or not as required.
The receiver "A," see Figs. & 3, to be provided with perforated metal
moveable container if required.
Reference to drawing accompanying this Specification
Fig. 1. Sectional plan of gully-trap showing receiver "A" & trap portion, of
which "B" is the inlet and "C" the outlet.
Fig. 2. Plan of covers to trap etc.

page_text: Fig. 4. Section through trap portion; showing inlet "B," outlet "C" & cleaning-
eye "D."
66
Fig. 3. Cross section of gully-trap showing receiver A," inlet "B," with
part view of cleaning eye "D."
Having now particularly described the nature of the invention and in what
manner the same is to be performed, we declare that what we claim is :-
A combination of receiver and trap forming a gully-trap, with a large cleaning
compartment over trap portion allowing by means of an air tight cleaning eye,
protected by a cast iron or other metal locked cover, an access to drain for drain
clearing rods & apparatus at any required angle.
Dated this 20th day of December A.D. 1893.
W. E. POWNALL.
R. W. HAMMOND.