Improvements in Means for Preserving Food or other Perishable Substances.
Year: 1890

page_text: Date of Application, 1st Aug., 1890
Complete Specification Left, 1st May, 1891-Accepted, 13th June, 1891
PROVISIONAL SPECIFICATION.
Improvements in Means for Preserving Food or other Perishable
Substances.
We, ERNEST GUIGNET, and Madame ZoÉ LETTERON, both of 22, Rue de
Villermont, Nice, in the Republic of France, Manufacturers, do hereby declare
the nature of this invention to be as follows:-
The improved chamber or safe which forms the subject of our invention may
be either fixed or portable. It may be made of any size or shape, preferably in
the form of a rectangular chest, having in front a door which can be closed
airtight by means of wedges or other suitable fastenings, and be readily opened
when required. We absorb the oxygen of the air contained in the closed chest
by means of chemical substances such as sulphur or charcoal, or by burning in
it combustible substances the substances remaining in the chest with the air from
which the oxygen has been so removed, being preserved from decomposition.
The chest or safe may be provided with two cocks or valves, one near the top
through which air is admitted, and one near the bottom by which any water or
other liquid can be withdrawn.
Dated th
J
T..1.. 1000
EDWARDS & Co.,
35, Southampton Buildings, Chancery Lane, London,
Agents for the Applicants.
COMPLETE SPECIFICATION.
Improvements in Means for Preserving Food or other. Perishable
Substances.
We, ERNEST GUIGNET, and Madame ZoÉ LETTERON, both of 22, Rue de
Villermont, Nice, in the Republic of France, Manufacturers, 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, and
accompanying drawing, that is to say:-
The improved chamber or safe which forms the subject of our invention may
be either fixed or portable. It may be made of any size or shape, preferably in
the form of a rectangular chest either horizontal (as shown in Figure 1 of the
accompanying drawing), or vertical (as shewn in Figure 2), having a front or door
which can be closed airtight by means of suitable fastenings and be readily
opened when required.
We absorb the oxygen of the air contained in the closed chest by means of
chemical substances such as sulphur, pure or mixed with charcoal, or by burning
it in combustible materials the substances remaining in the chest with the air
from which the oxygen has been so removed, being preserved from decomposition.
The chest or safe may be provided with two cocks or valves as shewn, one
near the top through which air is admitted and one near the bottom by which
any water or other liquid can be withdrawn.
Having now particularly described and ascertained the nature of our inven-
tion and in what manner the same is to be performed, we declare that what
we claim is:-
A closed chamber or safe from which the oxvoen in the contained air is

page_text: withdrawn, for the preservation of food or other perishable substances, sub-
stantially as described and illustrated.
Dated this 1st day of May 1891.
EDWARDS & Co.,
35, Southampton Buildings, London, Agents for the Applicants.