An Improved Apparatus designed for Cooling Beverages.
Year: 1894

page_text: Date of Application, 23rd Feb., 1894
Complete Specification Left, 23rd Nov., 1894-Accepted, 5th Jan., 1895
PROVISIONAL SPECIFICATION.
An Improved Apparatus designed for Cooling Beverages.
I, GEORGES LESOURD of 36 Rue du Cherche Midi, Paris, in the Republic
of France, Engineer, do hereby declare the nature of this invention to be as
follows:-
Hitherto the cooling of beverages in glasses has been principally obtained by
means of ice the impurity of which is often very injurious to health.
According to my invention I cool beverages by bringing them in contact with a
metal which I render cold relying on the lowering of temperature produced by
the sudden escape and expansion of a liquefied gas.
I preferably employ liquid carbonic acid, which, as is well known, produces on
suddenly escaping into the air such intense cold that a portion of the liquid is
solidified into snow which vapourizes by degrees and can consequently maintain a
low temperature for some time.
In order that the nature of my invention may be clearly understood I will
describe by way of example one method of carrying the same into practice. I
employ a spherical reservoir of carbonic acid which has secured to it by any
suitable means a part carrying a spring valve. I provide also a handle screwed to
the reservoir and carrying a rod which when the handle is screwed in opens the
valve and maintains the same open. When this is done the gas escapes by a
channel in the handle to the exterior and the phenomenon hereinabove indicated is
produced. Contact with the metal thus brought to a very low temperature then
maintains the coolness of the beverage.
To augment the contact surface 1 sometimes provide on the reservoir small
metallic wings or vanes or the like.
It will be understood that I reserve the right of adopting any devices which I
please both for the receptacle and the closing device as well as for the different
accessories of the apparatus, I also reserve to myself the right of employing any
suitable liquefied gas, and I may mix this gas with volatile liquids such as ether or
methyl chloride for example to hasten the cooling and establish good contact
between the solidified gas and the metal.
I
Although this apparatus is designed principally for cooling beverages in glasses
may make larger apparatuses of a similar character for cooling liquids in decanters.
Dated this 23rd day of February 1894.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.
COMPLETE SPECIFICATION.
An Improved Apparatus designed for Cooling Reverages
I, GEORGES LESOURD, of 36 Rue du Cherche Midi, Paris, in the Republic
of France, Engineer, 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 :-
Hitherto the cooling of beverages in glasses has been principally effected by
means of ice the impurity of which is often very injurious to health.
I, GEORGES LESOURD, of 36 Rue du Cherche Midi, Paris, in the Republic
of France, Engineer, 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 :-
Hitherto the cooling of beverages in glasses has been principally effected by
means of ice the impurity of which is often very injurious to health.

page_text: According to my invention I cool beverages by bringing them in contact with a
metal which I render cold relying on the lowering of temperature produced by the
sudden escape and expansion of a liquefied gas.
I preferably employ liquid carbonic acid, which, as is well known produces on
suddenly escaping into the air such intense cold that a portion of the liquid is
solidified into snow which vapourizes by degrees and can consequently maintain a
temperature for some time.
In order that the nature of my invention may be clearly understood I will
describe by way of example one method of carrying the same into practice.
Referring to the accompanying drawing which shows a vertical section of the
improved apparatus I employ a spherical reservoir R of carbonic acid which has
secured to it by any suitable means a part A carrying a valve s which is acted
upon by a compressed spring r. On the end of the part A. is screwed a piece B in
the shape of a handle carrying a projecting nozzle t which when the handle is
screwed on to the part A opens the valve s and maintains the same open. When
this is done the gas escapes by a channel in the handle to the exterior, and the
phenomenon hereinabove indicated is produced. Contact with the metal thus
brought to a very low temperature then maintains the coolness of the beverage.
To augment the contact surface I sometimes provide on the reservoir small
metallic wings or vanes M or the like.
It will be understood that I reserve the right of adopting any desired devices
both for the receptacle and the closing device as well as for the different accessories
of the apparatus, I also reserve to myself the right of employing any suitable
liquefied gas, and I may mix this gas with volatile liquids such as ether or methyl
chloride for example to hasten the cooling and establish good contact between the
solidified gas and the metal.
Although this apparatus is designed principally for cooling beverages in glasses
I may make apparatus of a similar character for cooling liquids in decanters.
Having now particularly described and ascertained the nature of iny said inven-
tion and in what manner the same is to be performed, 1 declare that what I
claim is :-
For cooling beverages in glasses and other receptacles, the employment of a
metallic reservoir serving as a cooler for example containing liquid carbonic acid
or other gas which I allow to escape suddenly to the exterior so as to produce the
lowering of temperature designed for the cooling of the liquid.
Dated this 23rd day of November 1894.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.