Improvements in and relating to Smoking Pipes.
Year: 1892

page_text: Date of Application, 31st Mar., 1892
Complete Specification Left, 31st Dec., 1892-Accepted, 4th Mar., 1893
*PROVISIONAL SPECIFICATION.
Improvements in and relating to Smoking Pipes.
I, FREDERICK ROADHOUSE of Intake Road, Sheffield, in the County of York,
'Clerk do hereby declare the nature of this invention to be as follows:-
This invention has for its objects to enable the tobacco in a pipe to smoke dry to
the end with a free draught and without waste, and also to prevent too solid
packing of the tobacco when filling.
*
To accomplish these objects I propose to place in the bowl of the pipe a flexible
or compressible plug or false bottom, which while it prevents the tobacco being
pressed down to the very bottom of the bowl, by the opening into the stem and so
coming into contact with and absorbing any moisture which usually collects there,
allows a free draught through the tobacco and by reason of its clasticity. prevents
the too hard or solid packing of the tobacco.
The flexible plug may be varied in its construction or form, but I prefer to make
it of nickel plated steel wire coiled concentrically into a flat coil similar to the
spring of a watch escapement, and I coil the continuation of the outside ring into
an open spiral or cone extending downwards, its purpose being to retain the flat
coil in a horizontal position, and to prevent it being pressed to the bottom of
the bowl.
1"
An elastic plug so constructed when pressed into the bowl of a pipe will retain its
hold and position without any further appliance.
I may in some cases dispense with the under coil and make the disc or coil to
rest upon a shoulder or ledge inside the bowl or the flat' coil'may be held in a hoop
that will bind against the tapered inside of the bowl, I may also make what I have
called the flat coil, of a domed shape, and modify the form in other ways without
departing from the spirit of the invention.
Dated the 20th March 1800
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.
COMPLETE SPECIFICATION.
Improvements in and relating to Smoking Pipes.
I, FREDERICK ROADHOUSE of Intake Road, Sheffield, in the County of York,
Clerk 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 has for its objects to enable the tobacco with which the pipe is
filled, to smoke dry to the end, with a free draught, and without waste; and also to
prevent too solid packing of the tobacco when the pipe is filled.
The invention is illustrated in the annexed sheet of drawings, in which
Fig. 1, is a side elevation of the appliance which is put into the pipe.
Fig. 2, plan of same.
Fig. 3, the pipe bowl in section with appliance in position.
To accomplish tho objects above mentioned I construct a flexible plug or false
bottom, A, to fit into the bowl of the pipe, which is shown in cross section in
Fig. 3.
This flexible and compressible plug will prevent the tobacco being pressed down
to the very bottom of the bowl, and against or into the opening leading into the
stem, and so coming into contact with and absorbing any moisture which usually

page_text: collects there; it allows a free draught through the tobacco, and by reason of its
elasticity prevents the two tight packing of the tobacco when filling the pipe;
thus every vestige of the tobacco will be burnt or consumed, and the dry ash will
readily leave the pipe.
I prefer to make the flexible plug of wire of any suitable metal, such as steel
nickel plated, aluminium, or the like, and coiled concentrically into a flat coil, such
as shown in Fig. 2, resembling the spring of a watch escapement, and I coil the
continuation of the outside ring of said coil into an open spiral or cone. B, extending
downwards as shown, its purpose being to retain the flat coil in a horizontal
position, and to prevent it being pressed down to the bottom of the bowl.
An elastic plug so constructed, when pressed into the bowl of a pipe of suitable
size, will retain its hold and position without any auxiliary aid or additional
appliance.
may in some cases dispense with the under coil B, and cause the disc or flat
coil to rest upon a shoulder or ledge inside the bowl of the pipe; or I may fix
such flat coil inside a hoop that will fit tightly into the tapered interior of
the bowl.
I wish it to be understood that although I prefer the chief coil to be flat as
shown, I do not confine myself to that exact form.
Having now particularly described and ascertained the nature of my inven-
tion and in what manner the same is to be performed, or carried into practice, I
declare that what I claim is :-
1-The improvement in pipes for smoking, consisting of a flexible plug of wire
coiled into a disc, and having a downwardly extending coil, substantially as herein-
before described and shown.
2-For a smoking pipe, a flexible disc of coiled wire, with or without an encircling
hoop to fit tightly into the bowl of the pipe, for the purpose specified.
Dated the 30th day of December 1892.
ROBT. F. DRURY, C.P.A.,
Bank Buildings, George Street, Sheffield, Agent for Applicant.