U.S. patent application number 10/839702 was filed with the patent office on 2005-11-10 for double-ended container.
Invention is credited to Kilduff, Edward, Larimer, Riki Kane.
Application Number | 20050247716 10/839702 |
Document ID | / |
Family ID | 35238536 |
Filed Date | 2005-11-10 |
United States Patent
Application |
20050247716 |
Kind Code |
A1 |
Larimer, Riki Kane ; et
al. |
November 10, 2005 |
Double-ended container
Abstract
A double-ended container includes an inner portion and an outer
wall. The inner portion includes an inner wall in a closed form
that encloses a central axis, an inner opening at a first end of
the inner wall and an end cap integrally formed with the inner wall
at a second end of the inner wall. The outer wall is in a closed
form that encloses the inner portion and is integrally formed with
the inner wall at a first end of the outer wall. The outer wall has
an outer opening on a second end of the outer wall.
Inventors: |
Larimer, Riki Kane; (New
York, NY) ; Kilduff, Edward; (New York, NY) |
Correspondence
Address: |
MILLEN, WHITE, ZELANO & BRANIGAN, P.C.
2200 CLARENDON BLVD.
SUITE 1400
ARLINGTON
VA
22201
US
|
Family ID: |
35238536 |
Appl. No.: |
10/839702 |
Filed: |
May 6, 2004 |
Current U.S.
Class: |
220/504 |
Current CPC
Class: |
A47G 19/2288
20130101 |
Class at
Publication: |
220/504 |
International
Class: |
A47G 019/00 |
Claims
What is claimed is:
1. A double-ended container comprising: an inner portion that
includes an inner wall in a closed form that encloses a central
axis, an inner opening at a first end of the inner wall and an end
cap integrally formed with the inner wall at a second end of the
inner wall; and an outer wall in a closed form that encloses the
inner portion and is integrally formed with the inner wall at a
first end of the outer wall, the outer wall having an outer opening
on a second end of the outer wall.
2. A double-ended container according to claim 1, wherein the
second end of the inner wall is axially spaced from the first end
of the inner wall in a direction that is opposite to the direction
in which the first end of the outer wall is axially spaced from the
second end of the outer wall.
3. A double-ended container according to claim 1, wherein the inner
portion and the outer wall are integrally molded in one piece in a
material that includes one of polycarbonate, acrylic, polystyrene,
SAN, ABS and glass.
4. A double-ended container according to claim 1, wherein the inner
portion and the outer wall are integrally molded in one piece in
polycarbonate.
5. A double-ended container according to claim 1, further
comprising: a stabilizer in a closed form that encloses the inner
portion and is integrally formed with the inner wall at a first end
of the stabilizer, the stabilizer having a stabilizer opening on a
second end of the stabilizer, wherein the second end of the inner
wall is axially spaced from the first end of the inner wall in a
direction that is opposite to the direction in which the second end
of the stabilizer is axially spaced from the first end of the
stabilizer.
6. A double-ended container according to claim 1, further
comprising a stopper that is capable of sealing the inner opening
to contain a liquid in a volume defined within the inner wall, the
end cap and the stopper.
7. A method comprising: filling an inner portion of a double-ended
container with a cold or hot solid and a heat transferring liquid,
the inner portion including an inner wall in a closed form that
encloses a central axis, an inner opening at a first end of the
inner wall and an end cap integrally formed with the inner wall at
a second end of the inner wall, the double-ended container further
including an outer wall in a closed form that encloses the inner
portion and is integrally formed with the inner wall at a first end
of the outer wall, the outer wall having an outer opening on a
second end of the outer wall; sealing the inner opening with a
stopper to hold a liquid in the volume defined within the inner
wall, the end cap and the stopper; inverting the double-ended
container; and filling the outer opening with a liquid.
8. A method according to claim 7, wherein: the cold or hot solid is
ice, and the heat transferring liquid is water.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to containers to hold liquids.
In particular, the invention relates to a double-ended containers
to hold liquids at a constant temperature.
[0003] 2. Description of Related Art
[0004] A Dewer flask is known to include an inner container and an
outer container. The liquid whose temperature is to be controlled
is disposed in the inner container. The space between the inner and
outer containers is filled with a cold liquid, e.g., liquid
nitrogen. In this way, the liquid whose temperature is to be
controlled is kept at the temperature of the cold liquid.
[0005] However, in a case of a beverage container to keep the
beverage, the inner container of a Dewer flask would be hard to
drink from without spilling the cold liquid that fills the space
between the inner and outer containers. What is needed is that the
cold liquid be kept in the inner container (and sealed therein) and
the beverage to be kept cold is filled in the space between the
inner and outer containers. In fact, what is needed is a
double-ended container where the beverage to be kept cold is filled
in the space between inner and outer containers and the inner
container is separately filled with the cold liquid from an end of
the double-ended container that is opposite to the end where the
beverage to be kept cold is filled in the space between the inner
and outer containers. This would provide an advantage for keeping
certain beverages cool without dilution by the melting of ice
cubes. For example, beer and white wine may be kept cold and the
ice cubes in the inner container would not dilute the beer or white
wine.
SUMMARY OF THE INVENTION
[0006] The invention improves the state of the art by providing a
container to influence the temperature of a contained liquid.
[0007] This and other improvements are realized in a double-ended
container that includes an inner portion and an outer wall. The
inner portion includes an inner wall in a closed form that encloses
a central axis, an inner opening at a first end of the inner wall
and an end cap integrally formed with the inner wall at a second
end of the inner wall. The outer wall is in a closed form that
encloses the inner portion and is integrally formed with the inner
wall at a first end of the outer wall. The outer wall has an outer
opening on a second end of the outer wall.
[0008] Other related improvements are realized in a method that
includes filling an inner portion of a double-ended container with
a cold or hot solid and a heat transferring liquid. The inner
portion includes an inner wall in a closed form that encloses a
central axis, an inner opening at a first end of the inner wall and
an end cap integrally formed with the inner wall at a second end of
the inner wall. The double-ended container further includes an
outer wall in a closed form that encloses the inner portion and is
integrally formed with the inner wall at a first end of the outer
wall. The outer wall has an outer opening on a second end of the
outer wall. The method further includes sealing the inner opening
with a stopper to hold a liquid in the volume defined within the
inner wall, the end cap and the stopper, inverting the double-ended
container, and filling the outer opening with a liquid.
BRIEF DESCRIPTION OF DRAWINGS
[0009] The invention will be described in detail in the following
description of preferred embodiments with reference to the
following figures wherein.
[0010] FIG. 1 is a vertical sectional view of a double-ended
container according to an embodiment of the invention.
[0011] FIG. 2 is a horizontal sectional view of the double-ended
container of FIG. 1.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
[0012] In an embodiment of the invention depicted in FIG. 1, a
double-ended container 1 includes an inner portion and an outer
wall 10. FIG. 2 depicts a sectional view through line 2-2' of FIG.
1. The inner portion of container 1 includes an inner wall 12 in a
closed form that encloses a central axis Z, an inner opening 14 at
a first end 13 of the inner wall and an end cap 16 integrally
formed with the inner wall at a second end 15 of the inner wall.
The outer wall 10 is in a closed form that encloses the inner
portion and is integrally formed with the inner wall 12 at a first
end 17 of the outer wall. The outer wall 10 forms an outer opening
18 at a second end 19 of the outer wall.
[0013] In another embodiment of the invention, a method includes
filling an inner portion of the double-ended container 1 (FIGS. 1
and 2) with a cold or hot solid and a heat transferring liquid and
then sealing the inner opening 14 with a stopper 40 as discussed
below to hold a liquid in the volume defined within the inner wall
12, the end cap 16 and the stopper 40. The method further includes
inverting double-ended container 1 and filling the outer opening 18
with a liquid.
[0014] In another example of the invention, the cold or hot solid
is a cold solid, ice for example, and the heat transferring liquid
is water. Note that the inner wall 12 that encloses the axis Z may
not necessarily have a circular cross-section. In fact, since many
ice makers make cubes of ice, the cross-section of inner walls 12
may be formed of in an approximately square cross-section to better
pack ice in the inner portion.
[0015] In a representative use, the liquid to be cooled may a human
consumable drink such as beer, wine or any non-alcoholic beverage
including but not limited to milk, water, fruit juices and various
forms of soft drinks.
[0016] Tests have shown that when the outside temperature is 85
degrees F. and 12 ounces of cold beer at 38 degrees F. is poured
into a conventional beer glass, the temperature of the beer rises
to 47 degrees F. in 10 minutes, 52 degrees F. in 20 minutes and 59
degrees F. in 30 minutes. However, with the double-ended container
described herein using a polycarbonate material, tests have shown
that when the inner container is filled with ice and water, the
outside temperature is 85 degrees F. and 12 ounces of cold beer at
38 degrees F. is poured into the double-ended container, the
temperature of the beer rises to 41 degrees F. in 20 minutes and 43
degrees F. in 30 minutes, still cold enough to drink enjoyably.
[0017] In various other embodiments, the cold or hot solid may be
replaced with any other type of cold or hot solid such as an ice
substitute that uses various phase change materials contained in a
container conforming to the shaped of the inner portion. The heat
transferring liquid may be replaced with liquids other than water,
for example alcohol or organic solvents.
[0018] As another example of any of the containers described
herein, the second end 15 of the inner wall 12 is axially spaced
along the central Z axis from the first end 13 of the inner wall in
a plus Z direction that is opposite to the minus Z direction in
which the first end 17 of the outer wall 10 is axially spaced along
the central Z axis from the second end 19 of the outer wall.
[0019] As another example of any of the containers described
herein, the inner portion and the outer wall 10 are integrally
molded in one piece in a material that includes any of
polycarbonate, acrylic, polystyrene, SAN (styrene-acrylonitrile
copolymer), ABS (acrylonitrile-butadiene-styrene copolymer) and
glass.
[0020] As another example of any of the containers described
herein, the double-ended container 1 (see FIGS. 1 and 2) also
includes a stabilizer 30 in a closed form that encloses the inner
portion and is integrally formed with the inner wall at a first end
32 of the stabilizer. The stabilizer has a stabilizer opening on a
second end 34 of the stabilizer. The second end 15 of the inner
wall 12 is axially spaced along the central Z axis from the first
end 13 of the inner wall in a plus Z direction that is opposite to
the minus Z direction in which the second end 34 of the stabilizer
30 is axially spaced along the central Z axis from the first end 32
of the stabilizer.
[0021] As another example of any of the containers described
herein, the double-ended container 1 (see FIGS. 1 and 2) also
includes a stopper 40 that is capable of sealing the inner opening
14 to contain a liquid in a volume defined within the inner wall
12, the end cap 16 and the stopper 40. The stopper may be made of
any resilient material capable of sealing.
[0022] Having described preferred embodiments of a novel
double-ended container (which are intended to be illustrative and
not limiting), it is noted that modifications and variations can be
made by persons skilled in the art in light of the above teachings.
It is therefore to be understood that changes may be made in the
particular embodiments of the invention disclosed which are within
the scope of the invention as defined by the appended claims.
[0023] Having thus described the invention with the details and
particularity required by the patent laws, what is claimed and
desired protected by Letters Patent is set forth in the appended
claims.
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