DE3119507A1 - ARRANGEMENT FOR FILLING BEVERAGES WITH CARBONIC ACID - Google Patents

Description

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Arrangement for enriching beverages with carbonic acid.

The invention relates generally to assemblies for making carbonated beverages, in particular Arrangements that carry out the carbonation immediately before the drink is consumed.

In the commercial production of such carbonated beverages, carbon dioxide is usually reduced Contacted with liquid under pressure and with intensive mixing in a refrigerated container. Such However, industrial methods require extensive and complicated production facilities in the household or are neither customary in the restaurant nor can be easily attached.

As a result, several methods have been developed for making carbonated beverages at home can be. According to such a method, molecular sieves loaded with carbon dioxide are used which release the carbon dioxide on contact with aqueous solutions, so that a carbonated drink is produced. This technique is fully described in U.S. Patents 4,147,808, 4,110,255, 4,025,655, and 3,888 referred to herein.

Another method is to create a chemical "pair"

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used to carbon dioxide in situ within the with Generate carbonated drink. Such a pair of substances usually consists of the combination an inorganic carbonate and an edible food acid. If connections of this kind with each other come into contact in aqueous solution, gaseous carbon dioxide and a salt of food acid are formed. The chemical pair is normally the form of the carbonated liquid in the form added to a dry powder or tablet. Such a method is generally described in U.S. patents 2,851,360, 3,480,403 and 3,476,520; these patents are incorporated herein by reference. That However, the method is unfavorable insofar as the salt of the food acid often gives the drink a salty taste confers. Insoluble components of the reactants and insoluble reaction products often form particles, which make the drink look cloudy or cloudy. Then when you ingest the drink, the particles become recorded along with the drink.

The invention relates generally to an arrangement for making carbonated beverages. the Arrangement comprises a cup for holding a certain amount of liquid, for example water, with Carbon dioxide should be enriched. A carbonating material is located inside a selectively permeable envelope in communication with the liquid in the cup. The carbonated one Material comprises a crystalline inorganic carbonate and a crystalline food acid which in the presence of Water or another liquid, for example from

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Water with other substances dissolved in it, react with each other and carbon dioxide and one in water provide practically insoluble salt. The selectively permeable envelope is permeable to the carbon dioxide and the liquid, but is practically impermeable to the crystalline inorganic carbonate, the crystalline Food acid and the insoluble salt.

An object of the invention is to develop an improved system for fortifying beverages with Carbonic acid.

The invention is also intended to provide an arrangement for enrichment of a carbonated drink, which is a carbonated drink with no salty taste arises.

Finally, the invention is intended to provide an arrangement for enriching a beverage with carbonic acid which creates a clear, transparent drink that has practically no insoluble to be absorbed with the drink Contains material.

These and other features and particularities of the invention are explained in detail below with reference to the drawings which represent the following:

Fig. 1 is a perspective view of the subject matter of the invention with part of the cup wall cut away; to reveal the inside of the cup;

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Fig. 2 is a plan view of the bottom of the cup of Fig. 1;

Fig. 3 is a cross section along the line 3-3 through the Cup base according to FIG. 2;

FIG. 4 shows a cross section through two nested cups according to FIG. 1.

Identical parts are always identical in the drawings Provided reference numbers. A drinking cup 10 is shown, which absorbs a certain amount of drinking liquid can. The cup 10 consists of a generally conically shaped side wall 12 and a benen base 14. Drinking cup or glasses are known per se, and their special size and shape is within the scope of the invention without special meaning. Since the cup 10 is expected to be discarded after use, it is preferred to provide it made of treated paper, plastic or comparable materials, such as those used for such purposes commonly used. It is important that the wall 12 and bottom 14 accommodate the beverage to be added to the cup are impermeable.

In the bottom of the cup 10, a casing 16 is provided which contains a certain amount of carbonic acid-releasing substance contains. The envelope 16 consists of the flat bottom 14 of the cup 10 and one with its edge 20 on the flat bottom glued selectively permeable membrane 18. The carbonic acid-releasing substance is in a Chamber 22 between the flat bottom 14 of the cup

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and the selectively permeable membrane 18 is formed. The envelope therefore has a hemispherical section and a planar circular section, the hemispherical section being the carbonating agent Contains substance and the circular section ensures the rigidity of the envelope and also the Wrap firmly connects to the bottom of the cup. It has been said above that the envelope is flat Including the bottom of the cup / but you can also specifically proceed in such a way that the envelope consists of two pieces of material produced in a special process and then at the bottom of the cup with mechanical means, for example a suitable adhesive. That way you don't have to rely on the fizzy To arrange substance on the bottom of the beaker.

The carbonated substance in the casing consists of a pair of chemicals that work in the presence of water reacts and allows an acid neutralization reaction to take place, producing carbon dioxide. In the present Context, the terms water and liquid "***" should be used alternately and synonymously;

they should _{mean H 2} O or other liquids in which H ₂ O forms the predominant part. In order to initiate the chemical reaction, the water contained in the cup 10 must be able to enter the chamber 22. The membrane is therefore permeable to water. Likewise, the carbon dioxide generated by the chemical reaction in the chamber 22 must be fed into the water in the beaker 10. The membrane 18 is therefore permeable to carbon dioxide.

So that no substance particles contaminate the water in the cup 10 and a cloudy, cloudy drink is produced

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can leave, the membrane 18 is practically impermeable to the salt generated by the neutralization reaction and the crystalline forms of the chemical couple. The membrane 18 thus provides a mechanical lock for unwanted particles that could otherwise contaminate the drink and which ultimately with the Drink would get into the stomach.

There are numerous chemical substance pairs known in which

Acid neutralization reactions take place. Such substance *,

couples contain inorganic carbonates and edible food acids. However, not all such pairs of substances can be used in the context of the invention. Are to be used only those inorganic carbonates and edible food acids which produce a practically water-insoluble salt. The expression "practically insoluble in water" is intended to mean in the present context that the Neutralization product, i.e. the salt, only in such Is soluble to the extent that the taste of the drink is not adversely affected. In general, the taste is the drink with a solubility of less than 1 g of salt per liter of water is not adversely affected; a - ^ Such a salt is regarded as practically insoluble in water.

The chemical pair used in the present invention is used is calcium carbonate and tartaric acid in solid and / or crystalline form. It is known to the person skilled in the art that Calcium carbonate and tartaric acid are converted into calcium tartrate in the presence of water, which is practical in water is insoluble.

The pore size of the selectively permeable membrane 18 is to be chosen so that the above-mentioned selective permeability is guaranteed. Such is desirable

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Pore size of the membrane so that the carbon dioxide passes through the membrane in molecular form; with such a pore size but the water cannot normally pass through the membrane. If the pores of the membrane 18 are too wide, so the carbon dioxide passes through the membrane in the form of large bubbles and escapes from the drink; are the pores too narrow, the water cannot pass through the membrane. In connection with the invention has demonstrated that the paper used in standard laboratory filters is a useful material for the selectively permeable membrane represents according to the invention. Filter papers preferred in the context of the invention are Filpaco j4463TH (trademark Filpaco Industries, Inc.) and Schweitzer ^ 855-45-2A and ^ 855-46-2A (trademarks of Kimberley Clark Corporation) .

Typical properties of Filpaco ji463TH filter paper are:

Base weight 28.0 g / m
(TAPPI T-410-OS-68)

Air permeability 170 / min / 100 cm ² (TAPPI T-251-PM-75

Appendix B-Gurley 12.7 mm H ₂ O pressure drop Model 4301

Dry tensile strength -MD approx. 1600g / cm TAPPI T-494-OS-70 (4060 g / inch)

(127 mm measuring length - CD approx. 880 g / cm flat clamping jaws (2115 g / inch)

423 um / s' cross heat speed ¹ )

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Typical properties of the Schweitzer filter paper are:

855-46-2A 855-46-2 Target minimum value Target minimum value

tensile strenght 5000 3000 3800 2500 g / 25 non, MD 3000 2000 2500 1500 CD 2400 1200 1300 700 wet MD

Porosity, Coresta cm / min 15000 7500

8000

4000

Bubble test max pressure cm H ₂ O

28

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Air flow with a pressure drop of 10 mm

The person skilled in the art is readily able to use other filter papers and other selectively permeable membranes choose that have the permeability properties described above and therefore also within the scope of the invention are usable.

In Fig. 4 there are two cups 10a and 10b according to the invention drawn, wherein the cup 10a is inserted into the cup 10b in the usual way, so that the two cups one Form stacks. In this stacking according to FIG. 4, there remains between the bottom 14B of the cup 10b and the bottom 14a of the cup 10a an intermediate space 24. It can be seen from this

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without further ado that the placement of the envelope in the lower part of the cup is particularly favorable, since one can make use of the space between the bottoms of cups stacked one inside the other.

In the context of the invention, flavor bases can also be used. Flavor base materials are known per se and are described in U.S. Patents 4,041,185 and 3,996,994, both of which are incorporated herein by reference. Of the Aroma base can be combined with the drinking liquid in at least one of the following ways: It can be added to the carbonated water in the cup 10 by itself; he can on the outside attached to the membrane 18; it can be placed on the inside 12 of the cup; he can be in the wrapping 16 are included; there are also other known possibilities. In this way, both a Carbonated drink as well as a flavored drink are offered.

The examples given below are intended to illustrate but not limit the invention.

example 1

A paper cup with a capacity of 100 ml is made for water; A filter paper wrapper according to the invention is located in the cup. The casing contains 1 g calcium carbonate and 1.5 g of tartaric acid. Calcium carbonate and tartaric acid are in powdered crystalline form. In 100 ml of water are added to the beaker. The water

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penetrates the selectively permeable membrane of the envelope and encounters the carbonic acid-releasing substances in the Wrapping. In the presence of the water, the calcium carbonate and the tartaric acid react with each other and produce 0.44 g carbon dioxide, 0.18 g water and 1.88 g calcium tartrate. The filter paper prevents the calcium tartrate leaves the serving and contaminates the beverage. The calcium tartrate is practically insoluble in water. The drink therefore remains clear and has no salty taste.

The 0.44 g of carbon dioxide that were created during the chemical reaction correspond to 224 ml of carbon dioxide as ideal gas under normal conditions. The carbon dioxide penetrates the membrane and is in the 100 ml of water solved the cup. The drink therefore has a relatively high carbonic acid content.

In particular, it is possible to apply the invention in cases in which liquids contain other food acids should be placed in the beverage container. In these cases, practically all of the calcium carbonate reacts reacts with the tartaric acid in the coating and forms the practically water-insoluble calcium tartrate but not with the food acid in the liquid, which would form soluble salts that would affect the taste of the drink could have an unfavorable effect. Therefore, common flavoring ingredients can be used as other food acids included, can be used in the context of the present invention.

End of description.

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Claims (8)

Arrangement for enriching beverages with carbonic acid Patent claims: Arrangement for enriching beverages with carbonic acid for use in combination with a drinking cup o. The like. In which there is a liquid, marked by a device (16) located in the cup (10) which can come into contact with the liquid and which contains a certain amount of carbonated substance which is sufficient to carry the said liquid with 15ο 246 To enrich carbon dioxide; where the carbonated substance consists of crystalline calcium carbonate and crystalline tartaric acid, which react with each other in the presence of water and carbon dioxide as well as one that is practically insoluble in water Deliver salt; and wherein the container means (16) is permeable to water and carbon dioxide, but practically impermeable for said crystalline calcium carbonate and said crystalline tartaric acid. 2. Arrangement for enriching beverages with carbonic acid, according to claim 1, characterized in that the container device (16) Has filter paper with pores that are large enough for water and carbon dioxide to pass through can, but on the other hand so small that said crystalline calcium carbonate, said tartaric acid and said salt cannot pass through 3. Arrangement for enriching beverages with carbonic acid, according to claim 1, characterized in that the container device (16) is located in the lower part of the cup (10). 4. Arrangement for enriching beverages with carbonic acid, according to claim 1, characterized in that the container device (16) also comprises a pulverulent, contains non-carbonated beverage mass, which in · - 0 ■■ «Eit oo θα» on · β 4 246 said liquid is soluble and the liquid has the desired color and taste confers. 5. Arrangement for enriching beverages with carbonic acid, according to claim 4, characterized in that the powdered comminuted beverage mass is in one layer is mounted on an outside of said container device (16). 6. Arrangement for enriching beverages with carbonic acid, characterized by a cup (10) for holding a certain amount of a liquid drink, and a casing (container device) (16) on the inside of the lower cup part, which casing (16) Contains crystalline calcium carbonate and crystalline tartaric acid that interact with each other in the presence of water react, so that carbon dioxide and a salt practically insoluble in water are formed, the coating (16) consists of filter paper that is permeable to water and carbon dioxide, but for the said crystalline Calcium carbonate, said crystalline tartaric acid and said salt is practically impermeable. 7. Arrangement for enriching beverages with carbonic acid, characterized by
a cup (10) to hold a certain amount 246 Water; a selectively permeable container (16) for carbonated Substance, which container (16) with the water in the cup (10) in connection can step; wherein said carbonating substance is comprised of crystalline calcium carbonate and crystalline tartaric acid consists; and wherein the selectively permeable container (16) is permeable to carbon dioxide and water but permeable to crystalline Calcium carbonate, crystalline tartaric acid and is practically impermeable to calcium tartrate. 8. Arrangement for enriching beverages with carbon dioxide, characterized by a cup (10) for holding a certain amount of water, which cup (10) has a circular base (14) and an annular side wall (12) which leads from the edge of the base (14) upwards and itself thereby expanding from bottom to top and forming a ring-shaped edge, the inner diameter of which is larger a: the outer diameter of the base (14), which cup (10) is plugged together with other cups of the same type can be, with a gap (24) remaining between the bottoms of the plugged-together cups, and by a casing (16) arranged in this intermediate space (24) and fastened to the cup (10), in which Crystalline calcium carbonate and crystalline tartaric acid are located and which are permeable to water and carbon dioxide and for the crystalline calcium carbonate and the ü a e- β * ο O ο ο β ο ο <* * <3 O β ό β too »ei - 5 - 246 crystalline tartaric acid and calcium tartrate is practically impermeable.