Improvements in or connected with Pocket Flasks or Analogous Vessels.
Year: 1890

page_text: Date of Application, 23rd May, 1890
Complete Specification Left, 18th Feb., 1891-Accepted, 21st Mar., 1891
Improvements in or connected with Pocket Flasks or Analogous
Vessels.
I, WILLIAM COOKE, of 3, Gwydor Road, Elmer's End, Beckenham, in the
County of Kent, Gentleman, do hereby declare the nature of this invention to be
as follows:-
The object of my invention is to provide a pocket flask or analogous drinking
vessel which can be opened and used without the necessity for employing both
hands for the purpose and it is therefore useful to horsemen and in many cases
where it is inconvenient to use both hands.
According to my invention I provide the neck or outlet orifice of the flask with
a valve which is connected with a push piece or its equivalent by which the valve
can be forced from its seat or moved so as to open a passage from the interior of
the flask to a mouthpiece which is conveniently situated and shaped for applying
to the mouth of the person using the flask. I may also provide a spring or other
catch which retains the valve open whilst the flask is in use but which can be
released by the finger. The valve should be provided with a spring so that when
the catch is released the valve returns to its seat under the action of the spring
and the flask is thereby closed.
1000
J. H. JOHNSON & Co.,
47, Lincoln's Inn Fields, London, W.C., Agents.
COMPLETE SPECIFICATION.
Improvements in or connected with Pocket Flasks or Analogous
Vessels.
1, WILLIAM COOKE, of 3, Gwydor Road, Elmer's End, Beckenham, in the
County of Kent, Gentleman, 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 :-
The object of my invention is to provide a pocket flask or analogous drinking
vessel which can be opened and used without the necessity for employing both
hands for the purpose and it is therefore useful to horsemen and in many cases
where it is inconvenient to use both hands.
According to my invention I provide the neck or outlet orifice of the flask with
a valve which is connected with a push piece or its equivalent by which the valve
can be forced from its seat or moved so as to open a passage from the interior of
the flask to a mouthpiece which is conveniently situated and shaped for applying to
the mouth of the person using the flask. The valve should be provided with a
spring to return it to its seat when the pressure employed for opening the valve is
removed.
In order that my invention may be well understood I will describe the manner
in which the same may be carried out in practice although I do not limit myself to
the precise details shown and described.
Figure 1 of the accompanying drawing is a sectional elevation (drawn to an
enlarged scale) of the upper portion of a pocket flask provided with my improve-
To the outlet orifice or
ments, and Figure 2 is a corresponding plan of the same.
opening a' of the flask is soldered or otherwise fixed a ring or neck a having in
the interior a flange b to receive the shoulder c of a piece containing valves
hereinafter referred to. The ring or neck a is slotted at one part as shewn at a

page_text: P
to receive the mouth piece which mouth piece may be formed in one with the
piece d and is held in position by a cap e screwed into the neck a and bearing on
the upper part of the piece d. Between the shoulder c on the piece d and the
flange in the neck a is preferably a packing of rubber or other material which
will make a fluid tight joint. To the lower end of the piece d is removeably con-
nected by screwing or otherwise a tube g extending to within a short distance of
the bottom of the interior of the flask, through which tube the contents of the
flask may be withdrawn as hereinafter described. In the piece d are two
chambers and i communicating respectively with the mouth piece p and the
tube and separated by a partition having an opening m¹ therein closed by a
valve k. The stem l' of this valve passes through the top of the chamber h and is
provided at its upper end with a disc or button m between which button and the
top of the chamber his interposed a spring n to maintain the valve on its seat but
by depressing the button m the valve may be moved away from its seat when it is
desired to extract the contents of the flask. The valve stem is suitably packed
where it passes through the top of the chamber to prevent air entering when the
valve is open. The mouth piece p may if desired be cylindrical but is preferably
flattened as shewn in Figure 2 for convenience of holding in the mouth. is a
passage in the piece d for admitting air to the interior of the flask the said passage
being closed by a valve s kept to its seat by a spring t interposed between the
upper surface of the piece d and a nut or button on the stem of the valve.
To drink from the flask the piece p is placed in the mouth and the button m
depressed (which may be easily effected by a finger, on the hand by which the
flask is held) so as to press from their seats the valves k and s thereby opening
communication between the tube 9 and mouth piece p and at the same time
admitting air to the interior of the flask by opening the passage r: Any desired
quantity of the contents of the flask may then be drawn, by suction without
tipping the flask so long as the valves k and s remain open, the contents passing
upwards through the tube y into the chamber i and thence past the valve k to the
chamber and mouth piece p. When pressure is removed from the button m the
valves and s will close under the action of the springs n and t and prevent
the escape of any liquid remaining in the flask. The cape which projects above
the button m to prevent the valve k being accidentally opened presses at its lower
edge upon the upper edge of the piece d and holds it and the mouth piece p in
position. The parts are preferably connected together by screwing where
practicable so as to be capable of being readily taken apart for cleaning and
for charging the vessel with liquid but they may be otherwise connected. All
the joints in the pipes or passages through which the liquid passes from the
flask to the mouth should be made air tight to prevent air being drawn into the
mouth with the liquid.
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
1st. In or connected with pocket flasks or analogous drinking vessels means for
opening the closure thereof and extracting the contents without employing both
hands for the purpose substantially as hereinbefore described.
2. A pocket flask or analogous drinking vessel closed by a piece carrying a
tube extending to near the bottom of the interior of the vessel a mouth piece
communicating with the tube and a valve interposed between the tube and the
mouth piece substantially as and for the purpose hereinbefore described with
reference to the accompanying drawings.
3. In a pocket flask or analogous drinking vessel the combination of the tube g
chambers and i mouth piece p valves kands and means for operating them
substantially as and for the purposes hereinbefore described with reference to the
accompanying drawings.

page_text: 4. The construction combination and arrangement of parts constituting a pocket
flask or analogous drinking vessel as hereinbefore described and illustrated in the
accompanying drawings.
Dated th: 1011 L
1801
J. H. JOHNSON & Co.,
Agents.