Improved Means for the Manufacture of Bottles.
Year: 1896

page_text: Date of Application, 4.h Feb., 1896
Complete Specification Left, 4th Dec., 1896-Accepted, 30th Jan., 1897
Improved Means for the Manufacture of Bottles.
I, WILLIAM DUNHAM, of 61 Imperial Warehouses, Leman Street, London, E.,
Manufacturer, do hereby declare the nature of this invention to be as follows:--
The present invention relates to improved means for manufacturing bottles,
the objects being to make the brim or collar and neck of such bottles perfect
and straight with the body thereof and with the glass of same of regular
thickness, and so that the bore or hole in the neck shall be perfectly central and
round.
For this purpose I provide the top of the mould in which the bottle is blown
with a movable false collar in halves on the upper surface of which the cutter-off is
secured, the gatherer for the metal (the molten glass), being passed through the
cutter-off and a central hole in such false collar. The gatherer consists of a double
tube, and on the bottom of the interior tube a plunger is mounted so that it
can be forced downwards for the purpose to be hereinafter described.
According to one arrangement I make the false collar movable vertically,
same being normally forced upwards preferably by springs inserted between the
bottom of the false collar and the body of the mould, or any other suitable means
may be employed for forcing the false collar upwards.
The operation is as follows:-
The requisite amount of metal having been collected on the gatherer, same is
introduced into the body of the mould as usual, and the bottle blown through the
air tube in the usual manner. The plunger within the gatherer is then caused to
descend until it is within the neck of the bottle. The false collar is then forced
downwards against the action of its springs carrying with it the cutter-off secured
to the top of same, which by its movement presses the metal effectually to all
parts of the neck of the mould and thereby ensures the production of a perfectly
straight neck with a central round hole and brim or collar. The mould is then
opened and the finished article removed without requiring any further treatment.
Guide pins projecting from the bottom of the false collar and working in holes
bored in the body of the mould ensure the true vertical movement of such
collar.
Instead of making the plunger a part of the gatherer same may be separate
therefrom and inserted within the neck of the blown article before the mould is
opened. By then forcing down the false collar the cutter-off will produce the
same result as in the preceding arrangement. According to another arrangement
I make the false collar in two parts overlapping each other on opposite sides of
the central hole, and capable of sliding horizontally in relation to each other so
that after the bottle has been blown the horizontal movement of the two parts
inwards will compress the neck in a similar manner to that of the previous
arrangements but in a horizontal instead of in a vertical direction.
The mould may be rotated in relation to the bottle when blown so as to remove
all traces of the seams which would otherwise appear in the finished article,
either from the whole of the bottle or from the body or neck of such bottle only
as desired

page_text: The plunger employed may be either plain or be provided with a-screw thread
so as to produce a screw in the neck of the bottle to receive a screw stopper.
Dated this 3rd day of February 1896.
ALLISON BROS.,
Agents for the Applicant.
деаль тог
I, ANNIE DUNHAM, of Park House, Winchmore Hill, in the County of
Middlesex, Widow of and Administratrix of the late WILLIAM DUNHAM, of
61 Imperial Warehouses, Leman Street, London, E., Manufacturor, 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 present invention relates to improved means for manufacturing bottles, the
objects being to make the brim or collar and neck of such bottles perfect and
straight with the body thereof and with the glass of saine of regular thickness, and
so that the bore or hole in the neck shall be perfectly central and round.
This invention is illustrated in the accompanying drawings in which
Fig. 1 is a vertical section showing one arrangement for carrying out the
invention, and
Fig. 2 a plan view of same.
Fig. 3 is a part vertical section showing a modified arrangement, and
Fig. 4 a sectional plan view of same.
Referring to the arrangement shown in Figs. 1 and 2,
The mould in which the bottle is to be blown is made in two parts A, A, and
at the top of same a movable false collar is provided, which is also made in two
parts B, B'. On the upper surfaces of this false collar B, B', the cutter-off C, C',
is secured.
The gatherer for the metal (the molten glass) consists of a double tube D, E,
and on the bottom of the interior tube E of same a plunger F is mounted so that
it can be forced downwards for the purpose hereinafter described.
In this arrangement the false collar B, B', is capable of moving vertically, being
normally forced upwards by any suitable means, such as the springs b, b', inserted
in recesses in the false collar B, B', and adapted to act on the upper surface of
the mould A, A1, so as to tend to raise such false collar. Guide pins a, a', project
from the bottom of the false collar B, B1, and enter holes formed in the mould A, A',
so as to ensure a true vertical movement of such false collar.
The operation of this arrangement is as follows:
The requisite amount of metal having been collected on the gatherer D, E,
same is introduced into the body of the mould A, A¹ as usual, and the bottle G
blown through the air tube E in the usual manner. The plunger F within the
gatherer D, E, is then caused to descend until it is within the neck of the bottle G,
as shown in Fig. 1. The false collar B, B', is then forced downwards against
the action of its springs b, b, by any suitable means such as the levers H, H¹,
(Fig. 1), carrying. with it the-cutter-off C, C', secured to the top of same, which
. by its movement ipresses the metal effectually to all parts of the neck of the
mould and thereby ensures the production of a perfectly straight neck with a
central round hole and brim or collar. The plunger; false collar.and cutter-off
are then raised and mould A, A' opened and the finished article removed without
requiring any further treatment.

page_text: Instead of making the plunger F a part of the gatherer D, E, same may be
separate therefrom and inserted within the neck of the blown article before the
mould is opened. By then forcing down the false collar B, B', the cutter-off C, C',
will produce the same result as in the preceding arrangement.
In the arrangement shown in Figs. 3 and 4 the two parts B, B₁ of the false
collar have a horizontal movement towards each other instead of a vertical
movement as in the arrangement previously described. The two parts B, B' of
the false collar are moved towards each other by any suitable means after the
bottle has been blown, and by this movement compress and form the neck in a
similar manner to that previously described but in a horizontal instead of a
vertical direction.
It will be seen that the parts of the false collar may in this case be so made that
on their movement towards each other they will compress and form the neck as
well as the collar or rim of the bottle.
The two parts B, B' of the false collar may be provided with suitable means
such as the levers I, I¹ for enabling same to be turned slightly in relation to the
bottle, thus removing the seam which would otherwise be formed at the parts
where the two sections of the false collar meet. In some cases the whole mould
may be slightly rotated in relation to the bottle for the purpose of removing all
traces of the seams from either the whole of the bottle or the body or neck only
of such bottle as desired.
The plunger F may be either plain or be provided with a screw thread on its
surface so as to produce a screw in the neck of the bottle when same is intended to
receive a screw stopper.
-
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is:-
In apparatus for the manufacture of bottles :-
1. The use of a gatherer for the molten glass consisting of a double tube the
interior tube of which forms the air tube and carries or acts in conjunction with a
plunger adapted to be forced down into the neck of the bottle in course of
manufacture, thus ensuring the correct shape and position of such neck in relation
to the bottle, substantially as and for the purpose specified.
2. The combination with a gatherer as described in the preceding claim of a false
collar to the mould, such false collar being adapted to be forced downwards after
the bottle has been blown and by its movement press the molten glass effectually
to all parts of the neck of the mould, substantially as and for the purpose
specified.
3. The combination with a gatherer as described in Claim 1 of a false collar to
the mould, such false collar being made in two parts capable of sliding
horizontally in relation to each other, and such parts being moved towards each
other after the bottle has been blown and by their movement pressing the molten
glass effectually to all parts of the neck of the mould, substantially as and for the
purpose specified.
DL:.
L 1
ALLISON BROS.,
Agents for the Applicant.