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Патент USA US3085724

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April 16, 1963
3,085,714
S. LIGHTER
CONTAINER FOR LIQUIDS AND PROCESS OF DISPENSING THEREFROM
Filed NOV. 6, 1958
2 Sheets-Sheet 1
INVENTOR.
STEPHEN
LIGHTER
BY
Alfarney
April 16, 1963
s. LIGHTER
3,085,714
CONTAINER FOR LIQUIDS AND PROCESS OF DISPENSING THEREFRCM
Filed Nov. 6, 1958
2 Sheets-Sheet 2
F/G. 6
INVENTOR.
STEPHEN
LIGHTER
<2. am
A Horney
United States Patent 0
1
2
1 and 2, illustrate another embodiment utilizing the same
3,085,714
CONTAINER FOR LIQUIDS AND PROUESS 0F
DISPENSING THEREFROM
Stephen Lighter, 3522 Lake Mendota Drive,
Madison, Wis.
3,085,714
Patented Apr. 16, 1963
.
Filed Nov. 6, 1958, Ser. No. 772,257
11 Claims. (Cl. 222-1)
member, but differing in the point of attachment to the
container.
FIGURES 5, 6, and 7 are cross-sectional elevations of
other embodiments.
When the can is opened most of the released gas will
take the form of bubbles which will adhere to the lower
surface '2 of the inserted member (FIGURES 1, 3 5, 6,
and 7) and collect in its upper portion 3. The remaining
used for dispensing liquids containing a gas dissolved 10 bubbles formed by the released gas will collect along the
under pressure. In particular it relates to those cylindri
upper surface of the container 4, and will not be su?icient
cal cans with flat top and bottom and rolled seams which
to cause signi?cant foaming.
are widely used for dispensing beverages such as beer
In addition to providing additional surface area for the
and carbonated soft drinks.
collection of bubbles and retardationof outward ?ow,
These cans possess several advantages over the older 15 the member tends to isolate the portion of the liquid
glass containers. They are stronger, allow more com
closest to the opening, thus limiting the immediate elfect
pact packing and storage, and may be easily and safely
of the expanding gas.
disposed of. However, they have one serious defect.
There are many conceivable shapes and methods of
When opened, they often emit foam from the container
attachment of the member. A preferred embodiment
in quantities varying from a gentle bubbling to a stream 20 takes the form of a conical member (FIGURES 1 and
of ?uid which travels for many feet. The resulting
2) disposed at the top of the container with its apex up
personal inconvenience and property damage are re
and attached to the container by a pressure ?t between
sponsible for many dissatis?ed users. An object of the
lugs 1 on the periphery of the cone and the walls 6 of
invention is to correct this defect.
the container. Free ?ow to any portion of the top is
The foaming occurs when the gas which has been 25 provided by spacing the lower peripheral edge of the
dissolved under pressure in the ?uid reacts to the sudden
cone from the container walls at intervals 5.
drop in pressure caused by opening the container, re
Another embodiment (FIGURES 3 and 4) has a
sulting in the formation of bubbles which are expelled
conical member disposed as in the ?rst instance, but the
under pressure and carry with them some of the liquid.
point of attachment (as by welding) is at the apex of
Glass bottles tend to prevent this by reason of their
the cone and the center of the ?at top of the container
design, which includes a long glass neck. This serves
3, and ?ow is provided for by spacing apart at a con
two purposes: it provides space for the liquid to expand
tinuous interval the lower peripheral edge of the cone and
and, more important, provides surface area for the
the walls of the container entirely around the periphery.
bubbles to adhere to, thus retarding their ?ow ‘from the
The member to be inserted may be in the form of a
container. Modern cylindrical ?at-topped metal con 35 truncated cone with its axis ‘at an angle to the axis of the
tainers lack this surface area.
container (FIGURE 5), secured to. the container by
An object of this invention is to provide a container
welding along an element 6"’. The truncation 3" allows
which, when ?lled to capacity with a liquid in which a
free access of the ?uid to the top of the container. Sur
gas has been dissolved under pressure, will con?ne the
faces 2" and 4" collect the bubbles and prevent foaming
contained ?uid even during periods when there is a great
as heretofore described.
tendency for the ?uid to be expelled from the container;
Another embodiment (FIGURE 6) may have the
for example, when it has been opened.
members in the form of an inverted cone, with its apex
A further object of this invention is to provide such
downward. The member is attached to the walls of the
a container in a manner which will allow the continued
can by lugs 1"’, either by welding or by a pressure ?t.
use of present methods of manufacturing the container
Access is provided by openings 5"’, and the bubbles form
and packing the liquids, thus making its immediate use
on surfaces 2"’ and 4"’ and collect at 3"’.
This invention is concerned with containers which are
economically feasible.
Still another possible embodiment (FIGURE 7)
Still another object is to do this in such a manner as to
allow continued use of present methods of opening con
utilized a hemispherical member with its pole 3"’ oriented
upwards. The ‘member may be attached at its lower
50
tainers, thus causing the retailer and consumer of the
peripheral edge by welding or pressure, as before, or at
liquids no inconvenience.
said pole. Access is provided near the pole 3"”, and
Other objects will become apparent from the drawings
bubbles form on surfaces 2"" and 4"".
and from the following detailed description in which it is
The member is preferably but not necessarily rigidly
fastened to the container.
intended to illustrate the applicability of the invention
without thereby limiting it to a scope less than that of 55
While certain modi?cations and embodiments of the
all equivalents which will be apparent to one skilled in
invention here have been described, it is of course to be
the art.
understood that there are a great number of variations
The invention consists of providing further surface area
which will suggest themselves to anyone familiar with
the subject matter thereof and it is distinctly understood
to be enclosed within the container in the form of a mem
ber which serves to collect and retard the bubbles and 60 that this invention should not be limited except by such
limitations as are clearly imposed in the appended claims.
at the same time limit the volume directly under the
opening.
This member may conceivably have many con?gura
Having thus described my invention, I claim:
1. A sealed closed container adapted to con?ne liquids
tions, a few of which are illustrated in the appended 65 which contain a gas dissolved under pressure, and to
dispense such liquids with a minimum of foaming, said
drawings.
container comprising a cylindrical housing, a substan
FIGURE 1 is a cross-sectional perspective of a typical
can, showing the member inserted in the form of a cone,
apex upward.
tially flat top and bottom attached to said housing with
rolled seams and each substantially perpendicular to the
axis of said cylindrical housing, and a non-con?ning non
FIGURE 2 is a cross-sectional plan View of the can 70 siphoning member ?xedly disposed within said container
of FIGURE 1, taken on lines 2-—2.
providing intra-phase communication and having a sur
FIGURES 3 and 4, respectively similar to FIGURES
face area extending at an angle to said axis and having
3,085,714
5
a portion thereof adapted to provide for the ?ow of
liquid from all parts of the container to an opening in
any portion of said flat top.
2. The container of claim 1 adapted to con?ne said
liquids by having disposed within said container a conical
member having spaced apart lugs extending from its
4
lindrical housing, and a non-con?ning non-siphoning
member ?xedly disposed within said container providing
intra-phase communication and having a surface area
extending at an angle to said axis and having a portion
thereof adapted to provide for the ?ow of liquid from
all parts of the container to an opening in any portion
of said ?at top.
8. The container of claim 7 adapted to con?ne said
lower edge, oriented with its apex at the top of the
container and attached to the sides of the container by
liquids by having disposed within said container a conical
a pressure ?t between said sides and said lugs, and having
spaces provided at intervals between said lugs and the 10 member having spaced apart lugs extending from its
side walls of said container.
3. The container of claim 2 having said member at
tached by welding of said lugs to said sides of said con
lower edge, oriented with its apex at the top of the
container and attached to the sides of the container by
a pressure ?t between said sides and said lugs, and having
which contain a gas dissolved under pressure, and to
liquid from a sealed container at greater than atmos
spaces provided at intervals between said lugs and the
tainer.
4. A sealed closed container adapted to con?ne liquids 15 side Walls of said container.
9. The container of claim 7 adapted to con?ne said
which contain a ‘gas dissolved under pressure, and to
liquids by having disposed within said container a conical
dispense said liquids with a minimum of foaming, said
member whose axis is at an angle to the axis of said
container comprising a cylindrical housing with a sub
container, and attached to said container along an ele
stantially ?at top and bottom attached to said housing
ment of said conical member, and truncated at some
by rolled seams, and a member disposed within said
distance from its apex.
container, said member having the shape of an inverted
10. The container of claim 7 adapted to con?ne said
cone, oriented with its apex downwards and attached
liquids by having disposed within said container 21 hemi
to said container at the top of said container by attach
spherical member, oriented with its pole upwards and
ment of the upper peripheral edge of said conical mem
attached to the top of the said container at said pole, and
ber to the top of said container, said upper peripheral
having its bottom peripheral edge spaced from the wall of
edge being spaced at intervals from the top of said con
said container at a continuous interval.
tainer.
11. The process of dispensing a solution of gas and
5. A sealed closed container adapted to con?ne liquids
dispense said liquids with a minimum of foaming, said 30 pheric pressure comprising the steps of providing an
opening in said container, subjecting the contents of said
container comprising a cylindrical housing with at least
container to atmospheric pressure, ?owing said contents
a substantially ?at top and bottom attached to said hous
within said container over non-con?ning surfaces angu
ing with rolled seams, and each disposed substantially
larly disposed to a direction of ?ow, and pouring said
perpendicular to the axis of said housing, and a member
contents from said container in a stream in said direction,
disposed within said container, said member being a
adsorption of said gas on said surfaces causing foaming
cone having its apex oriented upwards and attached to
of said contents to be suppressed.
the top of said container, and having its lower peripheral
edge spaced apart from the side walls of said cylindrical
References Cited in the ?le of this patent
sealed container.
UNITED STATES PATENTS
6. The container of claim 5 adapted to con?ne said 40
liquids by having disposed within said container a conical
324,173
Seips ________________ __ Aug. 11, 1885
member whose axis is at an angle to the axis of said
container, and attached to said container along an ele
ment of said conical member, and truncated at some
45
distance from its apex.
7. A sealed closed container adapted to con?ne liquids
which contain a gas dissolved under pressure, and to
dispense such liquids with a minimum of foaming, said
container comprising a cylindrical housing, a substan
tially ?at top ‘and bottom attached to said housing and
each substantially perpendicular to the axis of said cy
820,784
1,558,396
2,693,391
2,765,965
2,930,513
Harcourt ____________ __ May 15,
Roehrs ______________ __ Oct. 20,
Manseau ______________ __ Nov. 2,
Reswick ______________ __ Oct. 9,
Zaleski ______________ __ Mar. 29,
1906
1925
1954
1956
1960
FOREIGN PATENTS
121,740
708,368
Germany _____________ __ July 4, 1901
Germany ____________ __ July 19, 1941
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