Improvements in and in connection with Receptacles for the Preservation of Jam and other Substances.
Year: 1894

page_text: Date of Application, 2nd Mar., 1894
Complete Specification Left, 8th Oct., 1894-Accepted, 2nd Mar., 1895
PROVISIONAL SPECIFICATION.
Improvements in and in connection with Receptacles for the
Preservation of Jam and other Substances.
I, AUGUST FJELSTRUP, of Copenhagen, Denmark, Zoologist, do hereby
declare the nature of this invention to be as follows:-
This invention relates to receptacles for the preservation of jam and other
substances hereinafter referred to as jam, and to apparatus for use in drawing off
and filling the said receptacles.
In order that the nature of my invention may be clearly understood I will
proceed to describe the same with reference to the accompanying drawings. My
invention is illustrated by way of example only, as applied to apparatus for use in
putting up jam.
In these drawings,
Figs. 1 and 2 show two different constructions of receptacle.
Fig. 3 shows the drawing-off and filling-apparatus connected to two receptacles.
The receptacle a shown in Fig. 1 is made of sheet-metal and in the cover of the
receptacle there are soldered two tubes b and c of thin pewter, tin, or other suitable
material. The tube breaches almost to the bottom of the receptacle, whilst the
tube c only just passes through the cover. The receptacles can be placed in air-
tight connection with one another by means of tubes d, the middle portion of
which is made of glass; and the tubes b and c may be connected to the tubes d by
means of tubular pieces e of caoutchouc, which are pushed over the tubes b and c.
When the receptacles are completely filled, which can be observed through the
transparent middle portion of the tubes d that connect one receptacle with
another, the ends of the tubes and care squeezed together by means of a
pair of tongs, or otherwise, are then bent down and soldered to the edge of the
receptacle a.
The receptacle a shown in Fig. 2 is also made of sheet-metal and is provided
with a contracted neck and with a hollow cover which is secured to the said neck
in an air-tight manner. In the cover I there are soldered two tubes b and c, one of
which reaches almost to the bottom of the receptacle a, whilst the other couly
just passes through the cover. After the receptacle a has been completely filled,
the tubes and c can be closed in an air-tight manner by means of two small cocks h
arranged horizontally in the cover l. An air-tight connection can be formed
between the receptacles of the kind shown in Fig. 2, in the same manner as that
herein before described with reference to Fig. 1.
When the drawing-off and filling-apparatus is employed in connection with a
series of receptacles a connected together as hereinbefore described, the last
receptacle of the series is in communication with an air-pump or aspirator by means
of a pipe A. By means of the pipe B the receptacles can be filled with steam,
sterilized air, sterilized nitrogen, or any other suitable sterilized gas. The pipe C
can be placed in communication with the vacuum-vessel by means of a cock D.
Before being emptied the receptacles are connected together in an air-tight manner,
as hereinbetore described, coupled up to the filling-apparatus, and placed in a
vessel containing water at 100° C. they are then sterilized by drawing through
them, by means of the air-pump, steam, sterilized air, sterilized nitrogen, or any
other suitable sterilized gas at a temperature of 100° C. After being cooled
:

page_text: down to 70° C. the receptacles are filled with jam; they are then further cooled
to 15° C. and finally closed, preferably in the manner hereinbefore described.
Receptacles of similar construction are applicable to the preservation in a
nitrogenous atmosphere of solid foods and the like, such as flesh, fish, eggs,
and fruit.
Improvements in and in connection with Receptacles for the
Preservation of Jam and other Substances.
, AUGUST FJELSTRUP, of Nybrogade 24, Copenhagen, Denmark, Zoologist,
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 receptacles for the preservation of jam, milk and other
substances, and to apparatus for use in drawing off and filling the said receptacles.
The invention being especially suitable for use in the preservation of milk, I will
describe it in connection with that substance.
In order that my invention may be clearly understood I will proceed to
describe the same with reference to the drawings filed with my Provisional
Specification.
In these drawings,
Figs. 1 and 2 show two different constructions of receptacle.
the cover.
Fig. 3 shows the drawing-off and filling apparatus connected to two receptacles.
The receptacle a shown in Fig. 1 is made of sheet-metal and in its cover are
soldered two tubes b and c of suitable material such as tin. The tube breaches
almost to the bottom of the receptacle, whilst the tube c only just passes through
Two or more such receptacles can be placed in air-tight connection
with one another when being filled, by means of tubes d, the middle portion of each
of which is made of glass; and the tubes and c may be connected to the tubes d
by means of tubular pieces e of caoutchouc, which are pushed over the tubes b
and c.
When the receptacles are completely filled, which can be observed through
the transparent middle portion of the tubes d that connect one receptacle with
another, the ends of the tubes b and c are squeezed together by means of a suitable
device such as a pair of tongs, and soldered.
The receptacle a shown in Fig. 2 is also made of sheet-metal and is provided
with a contracted neck and with a hollow cover which is secured to the said neck
in an air-tight manner. In the cover there are soldered two tubes b and c, one of
which, viz. b, reaches almost to the bottom of the receptacle a, whilst the other c
only passes through the cover. After the receptacle a has been completely filled,
the tubes b and c can be closed in an air-tight manner by means of two small
cocks with which they are provided and which are arranged horizontally in the
cover . An air-tight connection can be formed between receptacles of the
kind shown in Fig. 2 in the same manner as that hereinbefore described with
reference to Fig. 1 when snch receptacles are to be sterilized and charged with
milk etc.
The drawing-off apparatus comprises a pipe A provided with a cock and adapted
to be connected to an air pump, aspirator or like exhausting device, and the filling
apparatus comprises a pipe C adapted to be connected with a vacuum pan or other

page_text: vessel containing the milk or other substance to be preserved, and provided with a
branch pipe B through which steam or other sterilizing fluid can be supplied, each
pipe being provided with a controlling valve as shown.
When the drawing-off and filling apparatus is to be used in connection with a
series of receptacles a connected together as hereinbefore described, the last
receptacle of the series is placed in communication with the air-pump or aspirator
by means of the pipe A, and the first in connection with the pipe C. By means
of the pipe B the receptacles can then be first filled with steam, sterilized air,
sterilized nitrogen, or other suitable sterilized gas, after which the pipe C can be
placed in communication with the aforesaid vacuum or other vessel. Before being
sterilized and filled, the receptacles are connected together in an air-tight manner,
as hereinbefore described, coupled up to the filling-apparatus, and placed in a
vessel containing water at 100° C. They are then sterilized by drawing through
them, by means of the air-pump or aspirator, steam, sterilized air, sterilized nitrogen
or other suitable sterilized gas supplied by the pipe B at a temperature of
about 100° C. After which time the pipe B is closed, and when the receptacles
have cooled down to about 70° C., they are filled with the milk or other substance
to be preserved, through the filling pipe C. The receptacles are then further
cooled to 15° C. and finally closed, preferably in the manner hereinbefore
described.
Receptacles of similar construction are applicable to the preservation in a neutral
(nitrogenous) atmosphere of solid foods and the like, such as flesh, fish, eggs,
and fruit.
Having now particularly described and ascertained the nature of the said inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. In the treatment of jam, milk and other substances, the use of several
receptacles connected together by connecting-tubes d, and drawing off and filling
apparatus, the last receptacle of the series being in connection through a pipe A
with an air-pump or aspirator and the first receptacle of the series being adapted
to be placed in connection through a pipe C of the filling apparatus with the
vacuum-vessel containing the substance to be preserved and with a pipe B through
which the receptacles can be filled with steam, sterilized air, sterilized nitrogen or
other sterilized gas, the arrangement being such as to enable the receptacles to be
gradually filled, first with a neutral or sterilized atmosphere and afterwards with
the substance to be preserved as set forth.
2. In apparatus of the kind specified in the preceding claim, a receptacle a
(Fig. 1) provided with two thin-metal tubes b and c, of which one reaches almost
to the bottom of the receptacle whilst the other only just passes through the cover
thereof and which tubes, after the receptacle is filled with the substance to be
preserved, are squeezed together and soldered.
3. In apparatus of the kind specified in Claim 1, the use of a container a (Fig. 2)
provided with two tubes b and c one of which reaches almost to the bottom of the
container, whilst the other only just passes through the cover, and both of which
are secured in an air-tight hollow cover and are each provided with a cock h by
means of which the receptacle can be closed when it is filled with the substance to
be preserved.