WO2002038489A1

WO2002038489A1 - Container for retaining and discharging of carbon dioxide containing drinks, especially soda water

Info

Publication number: WO2002038489A1
Application number: PCT/HU2001/000107
Authority: WO
Inventors: Géza Kálmán ZSÁRI
Original assignee: Zsari Geza Kalman
Priority date: 2000-11-09
Filing date: 2001-11-07
Publication date: 2002-05-16
Also published as: HU0004446D0; AU2002223916A1; HU2731U; HUP0004446A2; HU0400017V0

Abstract

Container for retaining and discharging of carbon dioxide containing drinks, especially of soda water and similar refreshing drinks, which container is comprised of a pressure tight bottle (10) having an upper open neck-part (12), further of a head (14) connected to the neck-part (12) and having an expelling tube and, in given cases, a levelling tube (16). According to the invention the bottle (10) is heat insulated, preferably double-walled, the double wall consisting of an outer wall (10a) and an inner wall (10b). The space between the outer wall (10a) and the inner wall (10b) is made airless or vacuum-pumped.

Description

CONTAINER FOR RETAINING AND DISCHARGING OF CARBON DIOXIDE CONTAINING DRINKS, ESPECIALLY SODA WATER

Technical field

The present invention relates to a container for retaining and ^~ discharging of carbon dioxide containing drinks, especially soda water.

Background of the invention

Soda water bottles or soda bottles consisting of a pressure- tight container with a neck-part; further of a head removable connected to the said neck-part, the head being fitted with a discharging tube and a hand-controlled valve; finally of an expelling tube connecting the head with the interior of the container and preferably ending near the bottom region of the container, are well-known. The soda bottles are filled up with soda water (carbon dioxide containing water) or with other carbon dioxide containing drinks or are aerated in soda water workshops. Below, for the sake of simplicity, soda bottle and soda water, respectively will be referred to, it should be understood, however, that the teachings of the following disclosure are, of course, applicable to other carbon dioxide containing drinks and to other containers for retaining and discharging of such drinks.

Filling up of the soda bottle is effected through the discharging tube, the valve and the expelling tube, respectively in a direction opposite to that of the discharging by letting to flow in water and carbon dioxide under a pressure sufficient to open the valve and to ensure a prescribed inner pressure.

Formerly, the bottle and the expelling tube were built of glass while the head was made of metal. Nowadays, soda bottles made partly or fully of plastic materials are on the market as well.

It is a drawback of these known soda bottles that convenient drinking temperatures of the soda water could be ensured or maintained only by keeping the soda bottle in a cool place (e.g. cellar) or by artificial cooling thereof (e.g. in a refrigerator) . In many cases, however, there is no cool place available. Further, one or more soda bottles take up a substantial space in a refrigerator. Moreover, soda bottles put out for consuming their soda water content become warm in heated rooms or on sunlit places in a short time. This makes the soda water less enjoyable or even fully undrinkable. Furthermore, re-cooling of the bottle needs a relatively long time.

Soda water siphons (or simply siphons) are known as well. These siphons are progressive in comparison with common soda bottles for making possible instant (on the site) preparation of soda water. Thereto one needs only so-called sparklets or cartridges (small size balloons filled up with pressurized carbon dioxide) since the necessary water is available almost everywhere. The construction of these siphons is similar to that of the common soda bottles except that the head of the siphon is detachable and a piercing valve is provided thereon. The piercing valve serves for opening the stop of the sparklet full of carbon dioxide and for introducing the discharging gas through the head and the expelling tube into the interior of the bottle or rather into the water previously poured into the bottle. Of course, appropriate sealings are used between the head and the neck of the bottle, further around the piercing valve and the open end of the sparklet. An important part of the siphon is the so-called levelling tube, which prevents filling over of the bottle during filling up with water. With the siphon assembled the levelling tube coaxial with the expelling tube reaches from the neck up to approximately 1/3 to 1/4 of the length of the bottle.

Also with siphons, there remains the drawback that the soda water prepared on the site becomes tepid and unenjoyable in a short. time on warm or sunlit places.

Object of the present invention is to eliminate the above shortcomings.

Therefore, the present invention aims^' at creating a container for retaining and discharging of carbon dioxide containing drinks, which container could maintain for a long time original temperatures of drinks prepared in a workshop or on the site of consumption.

The present invention is based on the idea that using of a heat-insulated, preferably double-walled bottle (thermos or vacuum flask) known per se will make it possible to maintain for a long time (twenty-four hours or more) low and enjoyable temperature of a carbon dioxide containing drink filled in in cool state. This is particularly advantageous e.g. in the case of remote workplaces, excursions, athletics, further in cars, trains, in gardens, bathing-places etc. where there is no refrigerator or appropriate cool place available. Summary of the invention

The object set forth above is accomplished by a container for retaining and discharging of carbon dioxide containing drinks, especially of soda water and similar refreshing drinks, which container has a pressure tight bottle having an upper open neck-part, further a head connected to the neck- part and having an expelling tube and, in given cases, a levelling tube; and where, according to the present invention, the bottle is heat insulated, preferably double- walled, the double wall consisting of an outer wall and an inner wall.

In a preferred embodiment, the whole bottle is heat insulated, advantageously double-walled, except the neck- part .

In a further preferred embodiment, the space between the outer wall and the inner wall is made airless or vacuum- pumped.

The outer wall and/or the inner wall are preferably made of stainless steel.

In an other preferred embodiment a sealed intermediate part having an internal passage is placed between the neck- part of the bottle and the head; lower end of the intermediate part being tightly fitted into the- neck-part and upper end thereof having an outer thread fitting into an inner thread of. the head.

In a further preferred embodiment, at upper end of the intermediate part fitted with the thread a fixing ring and a covering ring are arranged; both latter elements taking place within an inner space of lower end of the head in assembled state.

Brief description of the drawing

Fig. 1 shows a longitudinal "exploded" front-view of a container according to a preferred embodiment of the present invention, partly in cros section.

Detailed description of the preferred embodiments

The construction of the container shown in Fig. 1 is generally based on a common siphon which is made of a pressure-tight bottle 10 having an upper open neck-part 12, further of a head 14 screwed onto the neck-part 12, finally of an expelling tube (not shown) and a levelling (level limiting) tube 16. The most important difference from the common siphon is in it that the bottle 10 is double-walled. The double-walled bottle is preferably made of stainless steel. Both mantle and bottom of the bottle 10 are of double- walled construction; outer wall 10a and inner wall 10b are united in a common rim 18 only at the upper end of the neck- part 12 receiving the head 14.

The rim 18 bears an intermediate part 22 made of plastic material. Between the rim 18 and the intermediate part 22 there is a sealing 20. Lower end 24 of the intermediate part 22 is tightly fitted into the neck-part 12. On the upper end of the intermediate part 22 there is an outer thread 26 for fitting into an inner thread of head 14 (not shown) .

The intermediate part 22 has an inner passage 28 receiving both the levelling tube 16 and the expelling tube (not shown) . At the upper end of the intermediate part 22 fitted with thread 26 a fixing ring 30 and a covering ring 32 is arranged. In assembled state, the latter take place within an inner space of the head 14 (not shown) and surround both the levelling tube 16 and the expelling tube (not shown) . Head 14 being of fully common structure it is shown merely schematically in Fig. 1.

In function, the container described above differs from a common siphon in it that the space between outer wall 10a and inner wall 10b of the double-walled bottle 10 is acting as heat insulation. The said space is favorably airless or vacuum-pumped. Therefore, the fresh water filled in for preparing a carbon dioxide containing drink remains cool and enjoyable for consumption. Thus bottle 10 does not require keeping in a refrigerator, the prepared drink can be brought anywhere, and enjoyable, refreshing, cooling soda water remains available even after twenty-four hours or more.

Claims

1. A container for retaining and discharging of carbon dioxide containing drinks, especially of soda water and similar refreshing drinks, which container has a pressure tight bottle having an upper open neck-part, further a head connected to the neck-part and having an expelling tube and, in given cases, a levelling tube, characterized by the bottle (10) being heat insulated, preferably double-walled, the double wall consisting of an outer wall (10a) and an inner wall (10b).

2. A container according to Claim 1 characterized by the whole bottle (10) being heat insulated, preferably double- walled, except the neck-part (12) .

3. A container according to Claim 1 or 2 characterized in that the space between the outer wall (10a) and the inner wall (10b) is made airless or vacuum-pumped.

4. A container according to any one of Claims 1 to 3 characterized by the outer wall (10a) and/or the inner wall (10b) being made of stainless steel.

5. A container according to any one of Claims 1 to 4, characterized in that a sealed intermediate part (22) having an internal passage (28) is placed between the neck-part (12) of the bottle (10) and the head (14), lower end of the intermediate part (22) being tightly fitted into the neck- part (12) and upper end thereof having an outer thread (26) fitting into an inner thread of the head (14).

6. A container according to any one of Claims 1 to 5, characterized in that at upper end of the intermediate part (22) fitted with thread (26) a fixing ring (30) and a covering ring (32) are arranged, both latter elements taking place within an inner space of lower end of the head (14) in assembled state.