Improvements in the Manufacture of Aërated Lemonade and other Beverages.
Year: 1894

page_text: COMPLETE SPECIFICATION.
Improvements in the Manufacture of Aërated Lemonade and
other Beverages.
I, ALEXANDER MITCHELL, of Ramelton in the County of Donegal, Ireland,
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:-
Heretofore lemonade has been manufactured by aerating with carbonic acid gas
a solution of sugar and citric acid in water, an aroma and more or less flavour of
lemon has also sometimes been given to the lemonade by adding to the solution
before aerating it a small amount of oil of lemon diluted with spirits of wine.
According to my invention I effect the same object in a more perfect and cheaper
manner by bringing the carbonic acid gas into contact with oil of lemon and
subsequently into contact with spirits of wine before using it for aerating the citric
acid and sugar solution.
Sufficient vapour of oil of lemon may in this way be carried forward with the
carbonic acid gas into the aerating vessel of the aerating machine to give to the
lemonade as strong a smell of lemon as may be desired and this aroma will be
retained in the lemonade until the bottles in which it is bottled are opened.
By bringing the carbonic acid gas into contact with spirits of wine after it has
been first brought into contact with oil of lemon all oil of lemon carried forward
with the gas is rendered soluble in water and enables a clear aerated beverage to
be produced.
The carbonic acid gas may be brought into contact with the oil of lemon and
afterwards with spirits of wine by causing it to bubble up through these liquids as
hereinafter described or it might be brought into contact with these liquids in other
suitable manner.
In a similar manner the aroma and more or less flavour of orange or similar
essential oil may be imparted to other beverages.
The drawing annexed shews apparatus adapted for carrying out my invention.
A is a gas holder of ordinary construction kept supplied with carbonic acid gas
from a gas producer in any ordinary manner.
B is a pipe passing from the gas holder nearly to the bottom of a glass
vessel C. Cis a pipe passing from the upper part of the vessel C nearly to the
bottom of a vessel D and D' is a pipe similarly passing from the top of the
vessel D nearly to the bottom of a vessel E. E' is a pipe passing from the top of
the vessel E to the pump of an aerating and bottling machine by which it is pumped
into the strong aerating vessel of such machine which is kept filled with the liquid
to be aerated.
The lower ends of the pipes B C¹ D¹ within the vessels C, D, E are closed with
the exception of fine perforations through which the gas passing through the pipes
can escape into the liquids which these vessels contain.
C' D'E' are taps by which liquid may be passed into the vessels C, D, E without
admitting air and C³ D³ E³ are taps by which liquid may be drawn off from these
vessels.
The vessel C should be large enough to contain a gallon or more of liquid when
filled from half to three parts full the other vessels D and E might be much
smaller.
The vessel C is filled half full or more with water having the essential oil that
is being used floating on its say 3 or 4 oz.

page_text: The vessel D may similarly be filled with water and oil and the vessel E with
spirits of wine or the vessel D may be filled with water only or with spirits of
wine or be omitted.
F is a pipe passing direct from the pipe B to the pipe E¹. F¹ is a tap upon it
by which the passage through the pipe can be opened or closed.
HH are taps on the pipes B and E by which the passage of carbonic acid
through the vessels C D E can be opened or closed.
If plain aerated water is being made the taps H H would be closed and the
tap F¹ opened.
If the carbonic acid is to be passed through the vessels C, D, E before passing
to the aerating machine the tap F¹ is closed and the taps H H opened.
After a time the water in the vessel C will have absorbed so much of the flavour
and smell of the essential oil that it can be used for flavouring beverages or as a
scent. After a time also there will have collected in the vessel C a quantity of oil
from which the more volatile portions have been carried away by the carbonic
acid-these may be withdrawn and utilized for the making of perfumes or in other
ways or they may be admixed with spirit from vessel E and utilized for flavouring
and giving a scent to beverages or simply for giving a scent to water used with
small fountains or for such like purposes.
By manufacturing lemonade and other beverages in the above way the aroma of
lemon or other aroma can be given to lemonade or other beverages absolutely
without any escape or loss of the essential oil all of the oil vaporized becoming
mingled with the carbonic acid gas and utilized whereas heretofore a large
proportion of the essential oil was wasted owing partly to the oil added to the
syrup to a large extent separating from it and Hoating on the surface where it
vaporized or was otherwise wasted.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is: :-
1. The manufacture of aerated lemonade and other beverages by aerating the
beverage with carbonic acid which has been brought into contact with oil of lemon
or other like essential oil and with spirits of wine or like spirit.
2. The manufacture of aerated lemonade and other beverages substantially as
hereinbefore described and illustrated in the drawing annexed.
Dated this 25th day of August 1894.
CARPMAEL & Co.,
Agents.