An Improved Device for Cleaning Tobacco Pipes.
Year: 1893

page_text: Date of Application, 25th May, 1893
Complete Specification Left, 17th Feb., 1894-Accepted, 24th Mar., 1894
PROVISIONAL SPECIFICATION.
An Improved Device for Cleaning Tobacco Pipes.
1, MICHAEL ST. JOHN, Tobacconist, of 56 Collingwood Street, in the City and
County of Newcastle on Tyne do hereby declare the nature of this invention to
be as follows:-
This invention relates to an improved device for cleaning tobacco pipes and
consists in the provision of a metallic vessel adapted to fit the bowl of the pipe
and having an aperture at its lower extremity coinciding with the aperture of the
pipe stem.
I further provide a brass or other plug adapted to be fitted into and to fit
accurately the top of the vessel and the lower part is intended to take a fusee or
charge of a sufficiently explosive nature to discharge the nicotine from the
pipe stem.
The fusee or charge may be of any chemical composition in which sulphur
phosphorous or other smell or taste producing agent is as nearly absent as possible
and I may manufacture these discharging fusees in combination with a lighting
wick or substance which may protrude from the aperture at the base of the metallic
vessel aforesaid.
The plug makes an air-tight connection above the charge so as to effectually
discharge the nicotine from or through the pipe stem.
Dated this 24th day of May 1893.
A. CRAWHALL CHAPMAN,
3, St. Nicholas Buildings, Newcastle-on-Tyne, Patent Agent.
COMPLETE SPECIFICATION.
An Improved Device for Cleaning Tobacco Pipes.
I, MICHAEL ST. JOHN, Tobacconist, of 56 Collingwood Street, in the City and
County of Newcastle on Tyne, 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 an improved device for cleaning tobacco pipes and
consists in the provision of a metallic vessel adapted to fit or enter the bowl of the
pipe and having an aperture at its lower extremity more or less coinciding with or
opposite to the aperture of the pipe stem.
1 further provide a brass or other plug adapted to be fitted into or to form part
of the top of the vessel and the lower part is intended to take a fusee or charge
of a sufficiently explosive nature to discharge the nicotine from the pipe stem.
The fusee or charge may be of any chemical composition in which sulphur
phosphorous or other smell or taste producing agent is as nearly absent as possible
and I may manufacture these discharging fusees in combination with a lighting
wick or substance which may protrude from the base of the charge aforesaid.
The plug makes an air-tight connection above the charge so as to effectually
discharge the nicotine from or through the pipe stem.
I will fully explain my invention with reference to the accompanying drawings
in which Figures 1 and 2 show in sectional elevation two similar designs for
effecting my purpose and in the following description like marks of reference
designate like parts.

page_text: Referring to the drawings (Figure 1) A is the pipe bowl within which a cup-
shaped vessel 3, constructed for example of brass is intended to be placed having
an open end pointing towards the orifice in the pipe stem S. F is a fusee or
charge of sufficiently explosive nature to expel the nicotine from the pipe stem.
W is a wick or piece of inflammable wood which may be used for igniting the
charge.
P is a plug intended to fit the pipe bowl or cup aforesaid and H is a handle for
holding the plug in position.
In Figure 2, which is a slightly modified form of the design just described, the
plug and cup-shaped vessel are made or cast in one piece, and the fusee or charge F
is fitted into the cup or recess in the plug as shown in other respects the two
figures are practically identical.
In Figure 1 the ignited charge and cup are first inserted in the pipe bowl and
the plug is then inserted as shown to cause the explosive to expel the nicotine
through the pipe stem: in Figure 2 the charge is placed in the cup-shaped holder
in the plug and the plug and ignited explosive are then together inserted into the
bowl of the pipe, the effect in both cases being the same.
I prefer to use a charge resembling a fusee in composition but in which the
ingredients may be as tasteless and devoid of smell as possible.
In Figure 2 W' is a washer to ensure airtightness between the plug and the
pipe bowl.
Having now particularly described and ascertained the nature of my said inven-
tion and in what manner the same is to be performed I declare that what I
claim is:-
The improved device for cleaning tobacco pipes consisting of the combination
with a cup-shaped holder adapted to take a fusee or other suitable explosive charge
of a handled plug the parts being arranged and adapted for use substantially as
.and for the purposes herein set forth.
Dated this 15th day of February 1001
A. CRAWHALL CHAPMAN,
3, St. Nicholas Buildings, Newcastle-on-Tyne, Patent Agent.