Improvements in Stoppered Jars, Bottles, and other Receptacles.
Year: 1897

page_text: PROVISIONAL SPECIFICATION.
Improvements in Stoppered Jars, Bottles, and other Receptacles.
We, WILLIAM ALFRED PARSONS, of Metal Exchange Buildings, in the City of
London, Watchmaker, and WALTER RAWSON, of 79, King Edwards Road Hackney,
London, Grocer, do hereby declare the nature of this invention to be as follows:-
-
The object of this invention is to provide cheap and efficient means for stopper-
ing in an airtight manner, jars, bottles and other receptacles. This invention
is especially useful for receptacles containing soups, sauces, preserved fruit,
pickles, and other grocers and chemists goods. For this purpose we provide the
rim of the jar or bottle with three or more notches and provide a cap of stamped
metal fitting over the said rim and in the notches. Inside of this cap is placed
a ring or washer of sheet rubber, cork, parchment or other suitable material for
making airtight joint. In order to exert the necessary pressure to make such
joint we provide on the cap and separate therefrom a metal disc having as many
clips as there are notches such clips taking under the rim of the jar or bottle, the
rim being underneath formed with suitable slopes for the clips to work against
to make tight joint when the disc is turned partially round. As the clip disc
is quite separate from and turns freely on the cap, the rubber or other material in
the cap will not be liable to be turned round upon the top of the rim of the jar
and will thus be preserved intact, even though the lid may be frequently opened
and closed. Both the cap and the clip disc are conveniently stamped out of sheet
tin. We prefer to make one notch broader than the others, so that the corres-
ponding broad clip always comes in the same notch and if there are any imper-
fections or irregularities in the rim the stoppering will adapt itself thereto.
Dated this Ninth day of June 1897.
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.
COMPLETE SPECIFICATION.
Improvements in Stoppered Jars, Bottles, and other Receptacles.
We, WILLIAM ALFRED PARSONS, of Metal Exchange Buildings, in the City of
London, Watchmaker, and WALTER RAWSON, of 79, King Edwards Road Hackney,
London, Grocer, 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 object of this invention is to provide efficient and inexpensive means for

page_text: stoppering in an air tight manner jars bottles and other receptacles without
injuriously affecting the contents of same by contact with the said means. This
invention is specially useful for receptacles containing preserved goods such as
fruit, lobster, fish and pickles, and also for soups, sauces, and other goods sold
by grocers, provision dealers and chemists. The invention refers to such recep-
tacle closing devices in which the flange or rim of the receptacle top is formed
with three or more notches the intervening flange pieces being formed sloping
on the underside and wherewith is used a locking device consisting of a metal
disc provided with clips corresponding with the notches and which when the
disc is turned partly round take under the aforesaid sloping parts for making
joint, and our invention consists in providing in connection with a closing device
such as named a cap fitting over the receptacle rim and containing the packing
ring or washer of sheet rubber, rubber cord, cork, parchment, or other suitable
material for making airtight joint against the top of the receptacle. This cap
is placed under the metal disc provided with clips.
In the accompanying drawing Fig. 1 is a side view of the top of a jar and
Fig. 2 a plan of same. Fig. 3 is plan of a modified form of same. Fig. 4 is a
vertical section through a cap with its packing device, Fig. 5 another form of
cap and packing, Fig. 6 another form, and Fig. 7 yet another form, Fig. 8 is a
plan of part of Fig. 7. Fig. 9 is a vertical section through the entire closure, and
Fig. 10 a side view.
The upper part or neck of the jar or other receptacle is formed with a rim or
flange A having three notches A A2 and A³. The flange parts between the
notches are formed sloping underneath as shewn. Upon this neck is placed a
cap C made of stamped sheet metal and having inward bulges C C and corres-
ponding with the notches A¹ A2 and A³ on the jar, in order to prevent the cap
from turning on the jar.
In Fig. 4 the cap C is formed with an annular recess for receiving a ring or
washer of rubber or the like of circular section, the cap being by preference
coated with enamel inside as marked by the dotted line B in order to prevent
direct contact between the metal of the cap and the contents of the receptacle.
In Fig. 5 the cap C is formed with an annular recess for receiving a flat ring or
washer of cork, rubber or the like, the cap being by preference coated with
enamel inside as marked by the dotted line B for the purpose stated.
In Fig. 6 the cap C is formed as in Fig. 5 and provided with an inner disc B
of parchment paper or the like for the purpose stated.
In Figs. 7 and 8 the cap C is provided with a glass disc B, the rubber or other
packing ring D of circular section being placed in annular recess therein, and
this glass disc also serving the purpose of preventing direct contact between the
packing and the metal of the cap on the one hand and the contents of the receptacle
on the other, when the glass disc is pressed down upon the top of the jar; for
this purpose the latter as well as the glass disc should be ground smooth and true.
To facilitate the formation of the upper notched end of the glass jar we may dis-
tribute the notches A2 A3 as shewn in Fig. 3 and take away one side of these two
notches, so that this upper part of the jar can be formed by means of a two parted
mould or moulding tools or tongs.
Figs. 9 and 10 shew the locking clip disc E which is made of stamped metal
and has clips E¹ E² and E³ corresponding with the notches C1 C2 C3 and A1 A2 A³,
and these clips work under the sloping rim or flange parts A to make tight joint
by compressing the packing ring 1 against the top of the receptacle, when the
disc E is turned partially round and so far that the glass disc touches the top of
the jar as stated, so as to make joint therewith. As the clip disc E is quite
separate from and turns freely on the cap C, the rubber or other packing D in
the cap will not be liable to be turned round upon the top of the receptacle and
will thus be preserved intact, even though the receptacle may be frequently opened
and closed. We prefer as stated to make one notch narrower (or wider) than the
others, so that the corresponding narrow clip always comes in the same notch

page_text: and if there are any imperfections or irregularities in the rim or flange part A in
this respect, the stoppering will adapt itself thereto.
Any very slight inaccuracy in the formation of the flange pieces A or in that
of the clips E E2 E3 or in the size or shape of the groove in the glass disc B or in
the shape or size of the rubber packing will be found practically of little or no
importance, because the elasticity of the clips and of the packing will compensate
for such very slight inaccuracies singly or combined. And thus in the above
simple construction of receptacle closure more particularly with regard to the use
of the glass B as described the very important advantage is obtained that the fruit,
pickles, lobster or other goods especially those of an acid, fatty or salt nature, con-
tained in the receptacle will not be influenced by contact with any part of the
closure. Nor can the packing ring be injured when the jar is being opened or
closed, because the packing ring and cap are kept from turning when the clip
disc E is turned.
Having now particularly described and ascertained the nature of our said
invention and in what manner the same is to be performed we declare that what
we claim is:-
1. In a receptacle closing device in which the top of the receptacle is formed
with notches and three or more intervening flange pieces with sloping underside
and in which is used a locking disc provided with clips which take under the
said sloping parts for making joint, the application and use of a cap provided with
interior packing ring and with bulges that enter the notches on the receptacle
for preventing the cap and packing ring from turning when the locking disc is
turned thereon, substantially as described and shewn.
2. In a receptacle closing device as firstly claimed the application and use of
a cap provided with interior glass disc which is held in the cap so that it cannot
turn therein and has a recess fitted with a packing ring substantially as and for
the purposes stated.
3. The constructions of receptacle closing devices shewn on the drawing.
Doted this Ninth day of March 1898
JENSEN & SON,
77, Chancery Lane, London, W.C., Patent Agents.