An Improved Means or Apparatus for Preventing the Access of the Air to Liquids Stored in Vessels, when it is intended to Draw off the Liquids at Intervals, by Means of Taps, Siphons, or the like.
Year: 1898

page_text: PROVISIONAL SPECIFICATION.
An Improved Means or Apparatus for Preventing the Access of
the Air to Liquids Stored in Vessels, when it is intended to
Draw off the Liquids at Intervals, by Means of Taps, Siphons,
or the like.
I, DESMOND CLIBBORN, of 11, Porchester Terrace, London, Gentleman, do hereby
declare the nature of this invention to be as follows:-
The usual custom of treating liquids stored in vessels to be drawn off at intervals
by means of taps, siphons, or other suitable instruments, is to pierce a hole in the
vessel in its upper part and insert a spigot which must be withdrawn whenever the
liquid is being drawn off to allow air to pass into the interior of the vessel. This
repeated access of air to the liquid contained in the vessel causes it to become
deteriorated and not unfrequently so much so as to render it unfit for use.
The object of this invention is to prevent the air from gaining access to the liquid
within the vessel and at the same time to provide otherwise for a free flow of the
liquid when it is required to be drawn off.
To carry this invention into practice, I take a common tube, open throughout, of
any suitable size and material such as metal, wood, earthenware, &c. having a screw
thread along the whole or part of its outer surface; on to this tube at its lower
extremity I attach an elliptically shaped plate; and for the other, a winged nut
screw which can be screwed on or off the tube as required. I also construct a bag
or sack of silk, cotton, or any other suitable material, which should be as nearly air
and water tight as possible; the bag may be made of any size and shape but pre-
ferably as nearly coinciding with the interior of the vessel containing the liquid as
possible, and having a slit or buttonhole in some suitable part of it, of sufficient size
to allow the elliptically shaped plate and the end of the tube to pass into the
interior of the bag.
I next take the cork or bung to be used in connection with the vessel in which
the liquid is stored, and pierce a hole through its entire length of sufficient size to
allow the tube before mentioned to pass through, and having passed the tube through
and sufficiently enlarged the opening at the upper end of the cork to allow the
winged nut screw to be applied, I then put the winged nut screw on to the end of
the tube and screw it on as far as possible, using washers at both ends of the tube if
requisite to make all the connections between the bag, the tube, the cork, and
winged nut screw, airtight. I then take the bag thus fitted and in a deflated con-
dition, and pass it through the bunghole or other opening in the upper part of the
vessel into the interior of the vessel which has already been filled with the liquor
intended to be protected, and press the bung home in the usual way, either by
hitting it home, or screwing it home, as the form of bung or cork may require.
As the liquor is withdrawn through the tap or siphon, the air will pass into the

page_text: interior of the bag and inflate it sufficiently to fill the vacant space caused by the
withdrawal of the liquid.
Dabad thin st dove Canon 1000
H. GARDNER,
Patent Agent, 166, Fleet Street, London,
Agent for the said :--Desmond Clibborn.
An Improved Means or Apparatus for Preventing the Access of
the Air to Liquids Stored in Vessels, when it is intended to
Draw off the Liquids at Intervals, by Means of Taps, Siphons,
or the like.
I, DESMOND CLIBBORN, of 11, Porchester Terrace, London, 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 usual custom of treating liquids stored in vessels to be drawn off at intervals by
means of taps, siphons or other suitable instruments is to pierce a hole in the vessel
at its upper part and insert a spigot which must be withdrawn whenever the liquid is
being drawing off to allow air to pass into the interior of the vessel. This repeated
access of air to the liquid contained in the vessel causes it to become deteriorated and
not unfrequently so much so as to render it unfit for use.
The object of this invention is to prevent the air from gaining access to the liquid
within the vessel and at the same time to provide otherwise for a free flow of the liquid
when it is required to be drawn off.
To carry this invention into practice I take a common tube, open throughout, of
any suitable size and material such as metal, wood, earthenware etc. having a screw
thread along the whole or part of its outer surface; on to this tube at its lower extremity
I attach an elliptically shaped plate; and for the other a winged nut screw which can
be screwed on or off the tube as required. I also construct a bag or sack of silk,
cotton or any other suitable material which should be as nearly air and water tight as
possible; the bag may be made of any size and shape but preferably as nearly
coinciding with the interior of the vessel containing the liquid as possible and having
a slit or buttonhole in some suitable part of it, of sufficient size to allow the elliptically
shaped plate and the end of the tube to pass into the interior of the bag.
I next take the cork or bung to be used in connection with the vessel in which the
liquid is stored and pierce a hole through its entire length of sufficient size to allow
the tube before mentioned to pass through and having passed the tube through and
sufficiently enlarged the opening at the upper end of the cork to allow the winged nut
screw to be applied. I then put the winged nut screw on to the end of the tube and
screw it on as far as possible using washers at both ends of the tube if requisite to
make all the connections between the bag the tube the cork and winged nut screw
airtight. I then take the bag thus fitted and in a deflated condition and pass it
through the bunghole or other opening in the upper part of the vessel into the
interior of the vessel which has already been filled with the liquor intended to be
protected and press the bung home in the usual way either by hitting it home or
screwing it home, as the form of bung or cork may require.
As the liquor is withdrawn through the tap or syphon the air will pass into the
interior of the bag and inflate it sufficiently to fill the vacant space caused by the
withdrawal of the liquid.
My invention is represented on the annexed drawings.

page_text: Figure sectional elevation of the appliances assembled and of about the actual
size for an ordinary cask.
Figure 2, similar, reduced scale elevation of the appliances assembled and fitted in
a cask from which some of the contents has been withdrawn and showing the bag
partly expanded by the free entry of air and filling the area above the liquid
thereby.
Figure 3 plan of the oval shape of plate on and by which the expansible bag is
held and is fixable to the bung or shive.
A bung or shive. B tube therein. Coval shaped plate on lower end of tube B.
D expansible bag whose mouth is in the form of a slit to be slipped over the
plate C. E lower washer between plate C and lower end of bung or shive A and
between which the opened out mouth of the bag D becomes nipped.
F upper washer in aperture of bung A and around the tube B. G fly nut
by screwing of which on tube B draws the plate C up close to washer E to lower face
of bung A and locks the whole together.
In use the bag D of air proof material is inserted in a limp condition through the
bung hole of a cask such as H and the bung pushed, screwed or knocked airtight
therein. On liquid being drawn from the cask by the tap I the level becomes lowered
and the bag in sinking acts as a sucker to draw air in by the tube B assisted by
outside natural pressure of air whereby the bag D opens out and spreads itself upon
the body of remaining liquid and fills up the vacant space in the cask; this continuing
gradually or intermittently as the liquid is drawn off until the cask is empty.
By this invention venting by spigot or vent peg is not required consequently
the contents of the cask are not deteriorated as by the usual method where air is
admitted to enable the contents to flow out when the tap is opened.
Having now particularly described and ascertained the nature of this inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is
The combination of appliances cousisting of a bag D having a button hole opening
clipped between oval shape plate C surrounding end of tube B and a washer E by screw
fly nut G and upper washer F on upper end of tube Band secured thereby to bung or
shive A for the purpose explained
Duted this 26th day of September 1898.
H. GARDNER,
Patent Agent, 166, Fleet Street, London, Agent for the said D. Clibborn.
H. GARDNER,
Patent Agent, 166, Fleet Street, London, Agent for the said D. Clibborn.