New or Improved Apparatus for Charging Carbonic Acid into Vessels for Conveying Beer, and more particularly into Drinking Vessels.
Year: 1897

page_text: Date of Application, 11th Oct., 1897-Accepted, 27th Nov., 1897
COMPLEINDI MUITIATION.
New or Improved Apparatus for Charging Carbonic Acid into Vessels
for Conveying Beer, and more particularly into Drinking Vessels.
I, ALEXIS SCHLEIMER of 183 Uhlandstrasse, Charlottenburg, in the Empire of
Germany, Doctor of Philosophy, 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 apparatus which has for object the introduction of
carbonic acid for the purpose, of keeping beer fresh, into vessels for conveying
beer and more particularly drinking vessels, which are provided with a cover
that can be closed air tight, after the vessels have been filled with beer, and after
the cover has been closed.
This apparatus consists essentially of two identical or similar inwardly opening
valves, of which one is arranged in the cover or other part of the vessel, whilst
the other is arranged in the free end of the carbonic acid supply pipe, the arrange-
ment being such that by pressing together the vessel and the supply pipe at their
parts which are provided with valves, both valves are opened simultaneously,
and carbonic acid is allowed to pass into the vessel, whilst by removing the vessel
from the supply pipe or vice versa, both valves are automatically closed, and
the carbonic acid is shut off.
The accompanying drawings illustrate the above described apparatus in
vertical sections.
Fig. 1 shews both valves closed; Fig. 2 shews both valves open. It has been
assumed by way of example that one valve is arranged in the air tight closing
cover or lid of the vessel, which is only partially shewn.
In the middle of the lid a there is formed during manufacture or subsequently,
a through hole 6 from the wall of which and near its lower end, there projects
an annular rib c. Against the lower face of this rib there is placed a perforated
rubber cylinder d of small height which bears with its periphery close against
the side of the hole. Upon the upper side of the annular rib there bears a second
higher, and also perforated rubber cylinder e, in the periphery of which, bearing
close up to the side of the hole, there are formed two half-round longitudinal
grooves which are situated diametrically opposite to each other, see Fig. 3,
which shews a plan or top view of this rubber cylinder. Through the central
holes of the rubber cylinders de, Fig. 1, and through the central opening of the
annular rib c there passes a valve spindle g which carries at its lower part and rivetted
thereto a valve plate h, and upon its upper screw threaded end a nut i screwing
on the same. This nut which is of somewhat smaller diameter than the hole b
is screwed up to such an extent that the upper rubber cylinder e is sufficiently
compressed to have the tendency to expand upwards, and thus to press the valve
plate h with a tight jointing pressure against the lower cylinder d.
The lid is provided around the upper end of the hole 6 with a projecting rim k,
which serves for the purpose hereinafter set forth.
Above the lid a of the vessel is shewn the free end of the carbonic acid supply

page_text: pipe m. Upon this supply pipe, which is connected to a source of carbonic acid,
there is screwed in a gas tight manner, a sleeve which is formed internally with
a projecting rib c and is provided with a valve, which is similar to the valve on
the lid, but is somewhat smaller and is reversely arranged. The parts of this
valve are marked with the same letters of reference as the corresponding parts
of the valve on the lid. The sleeve is further provided near its lower and out-
wardly slightly turned down end, with a horizontal annular flange o, the down-
wardly projecting edge of which takes over a rubber disc p.
This
When the vessel is filled with beer and the lid is closed, the vessel is pressed
with its projecting rim k against the rubber disc p, or the pipe m
is pressed with its disc p against the rim k of the vessel."
pressing together of the vessel and the pipe, may be effected with
the aid of any suitable known devices. It must be effected rectilinearly
and in such a manner that on the one hand, the rim of the lid
shall enter the rubber disc and thus make a gas tight joint, whilst on the other
hand the nut of the pipe valve, shall enter the hole in the lid, and coming
in contact with the nut i of the valve in the lid, will exert against the said nut
a pressure which will be sufficient to press together the rubber cylinder e of the
pipe valve, and also the rubber cylinder e of the lid valve, and thus move the
valve plates h away from the rubber cylinders d. Both valves are then open
as shewn in Fig. 2.
In this opening operation every rubber cylinder e is compressed to such an
extent as to leave between its longitudinal grooves f and the annular rib o very
small apertures which only allow the gas to pass through. The carbonic acid now
enters the vessel in the direction of the arrows shewn in Fig. 2.. As soon as a
sufficient quantity of carbonic acid has entered, the vessel is simply removed
from the supply pipe or vice versa. Then the valves are first closed, in consequence
of the expansion of the rubber cylinders e, and then the gas tight connection
between the rim k on the lid and the rubber disc p ceases, whereupon the internal
pressure in the pipe and in the vessel obtains, and presses the valve plates still
tighter against the rubber cylinders d, so that the valves remain closed gas tight.
The rubber cylinder e of each valve may be provided, instead of with longitudinal
grooves f, with one or more radial grooves fl in its end face, as shewn in Fig. 4,
which hears against the nut . The rubber cylinder e may also be entirely
without grooves, in which case the end face of the nut i bearing against the rubber
cylinder e, would be provided with radial grooves. Finally, radial grooves may
be formed both in the rubber cylinder e, as also in the nut i, as shewn in Fig. 5.
When these cross grooves are provided, the carbonic acid flows, when the valve
is open, through these cross grooves and the central hole in the rubber cylinders e,
as indicated by arrows in Fig. 5.
Having now particularly described and ascertained the nature of this
invention and in what manner the same is to be performed I declare that what I
claim is: :-
1. An apparatus for charging carbonic acid gas in vessels for conveying beer,
especially drinking vessels, composed of two identical or similar inwardly opening
valves, of which one is arranged in the lid or other part of the vessel filled with
beer, and the other is provided in the free end of the carbonic acid supply pipe,
the arrangement being such, that by pressing together the vessel and the supply
pipe at those parts which are provided with valves, there is effected a simultaneous
mutual opening of both valves and a flowing over of carbonic acid into the vessel,
whilst when the vessel and the supply pipe are moved apart, both valves are
automatically closed and the flow of carbonic acid is cut off.
2. A form of construction of the apparatus specified in Claim 1, characterized
by an arrangement, in which each of the two valves ghi is held gas tight by a
perforated rubber cylinder e (which is provided externally with longitudinal
grooves ff) against a second perforated rubber cylinder d, which is separated

page_text: from the first rubber cylinder by means of an annular rib c; whilst when the
valves are mutually opened, the valve plates move away from the second rubber
cylinder d, and the longitudinal grooves of the first rubber cylinder e are con-
tracted to such an extent as to allow only carbonic acid gas to pass through the
valves, substantially as set forth.
3. An apparatus according to Claims 1 and 2, with the modification that the
rubber cylinder e which bears against the valve nut is provided, instead of with
longitudinal grooves f f in its sides, with one or more transversely extending
grooves fin its end face, or the valve nut i is provided with said transverse
grooves in its end face that bears against the rubber cylinder e, or both the rubber
cylinder e and the valve nut i are provided with transverse grooves as set forth.
D
L
111 1
100%
BREWER & SON,
London & Leeds, Agents for the Applicant.