• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a process for packaging wine in two-part aluminum cans, comprising the steps of: producing a wine characterized by containing less than 35 ppm free SO2, less than 300 ppm chloride and less than 800 ppm sulphates; the body of a two-piece aluminum can with the wine and sealing the can with an aluminum closure so that the pressure within the container is at least 1.72 bar (25 psi) and the inner surface of the aluminum is coated with a corrosion resistant coating also a two-piece aluminum can filled with a wine containing less than 35 ppm free SO2, less than 300 ppm chloride and less than 800 ppm sulfates; wherein the can is sealed with an aluminum closure, and the pressure within the container is at least 1.72 bar (25 psi), and wherein the inner surface of the aluminum is coated with a corrosion resistant coating.
    公开号:AT12424U1
    申请号:T0067911U
    申请日:2011-12-23
    公开日:2012-05-15
    发明作者:
    申请人:Barokes Pty Ltd；
    IPC主号:
    专利说明:

    Austrian Patent Office AT12 424U1 2012-05-15
    description
    METHOD OF WRAPPING WINE IN TWO-PART ALUMINUM CANES AND TWO-PIECE ALUMINUM CAN
    This invention relates to a process for packaging wine in aluminum cans. It also relates to aluminum cans which are filled with wine according to the method of the invention.
    Wine is produced since the times of the ancient Greeks. It was stored in many types of containers. These include wood, clay and leather. The use of glass bottles has become the preferred means of preserving wine, especially when stored in quantities of less than one liter. While bottles are used almost universally, they have the disadvantages of being relatively heavy in weight and relatively fragile.
    For beverages other than wine, such as for beer and soft drinks, alternative packages such as metal cans and polyethylene terephthalate (PET) bottles have been widely introduced. These have the advantages of lower weight and greater breaking strength. It has been proposed to store wine in such alternative containers. However, attempts to use such types of packaging for wine have generally been unsuccessful. Some wines of very poor quality are stored in polyvinyl chloride containers. The reasons for this failure are believed to be due to the relatively aggressive nature of the materials in the wine and the negative effects of the wine and container reaction products on the quality of the wine, especially the taste. Wine is a complex product, typically having a pH in the range of 3 to 4. This compares to beer with a pH of 5 or above and many soft drinks with a pH of 3 or above. However, the pH itself is not the only determining factor, and it has been found that carbonated cola drinks with a pH as low as 3 can be properly stored in PET containers. The low pH is the result of the phosphoric acid content in carbonated cola drinks. This may allow the satisfactory use of precoated aluminum cans and PET bottles for these beverages.
    It would be desirable to package wine in aluminum cans, with the quality of the wine not deteriorating appreciably during storage.
    The object of the invention is achieved by a method according to claim 1 or a two-part aluminum can according to claim 11. Advantageous embodiments of the invention are specified in the dependent claims. This invention, in one of its forms, provides a method of packaging wine in two-piece aluminum cans comprising the steps of: producing a wine characterized by having less than 35 ppm free S02, less than 300 ppm chloride and contains less than 800 ppm sulphates; [0008] Filling the body of a two-piece aluminum can with the wine and sealing the can with an aluminum closure so that the pressure inside the container is at least 1.72 bar (25 psi) and the inside surface of the aluminum is corrosion resistant Coating is coated.
    Preferably, the wine is further characterized by having total sulfur dioxide contents of less than 250 ppm, more preferably less than 100 ppm.
    Preferably, the wine is further characterized by having total nitrites of less than 1 ppm, total nitrates of less than 30 ppm, total phosphates of less than 900 ppm and an acid, calculated as tartaric acid, in the range of 6 g / l to 9 g / l.
    Preferably, the wine is cooled before bottling. The corrosion-resistant coating is preferably a thermally cured coating.
    Preferably, after sealing with the closure, the headspace has the composition 80 to 97% by volume of nitrogen and 2 to 20% by volume of carbon dioxide.
    Alternatively, the wine is carbonated before the two-piece can is filled with the wine, whereby the headspace after closing is predominantly carbon dioxide.
    Preferably, the maximum oxygen content in the headspace is 1 vol .-%.
    Preferably, liquid nitrogen is added to the can body directly before flaring the closure.
    Preferably, the headspace for a 330 ml can is in the range of 2 to 5 mm.
    According to the invention also a two-part aluminum can is specified, filled with a wine containing less than 35 ppm free SO 2, less than 300 ppm chloride and less than 800 ppm sulfates; wherein the can is sealed with an aluminum closure, and the pressure within the container is at least 1.72 bar (25 psi), and wherein the inner surface of the aluminum is coated with a corrosion resistant coating.
    The wine needed for the wine cask filled according to the invention can be made using special viticulture and wine making techniques, as described below. Alternatively, the wine may be prepared by treating a wine with higher than indicated amounts of ingredients and removing or decreasing the level of these ingredients to such an extent that the values required according to the present invention are obtained. According to the present invention, the term " wine " used in a broad sense includes and includes still and sparkling wines as well as fortified wines and wines blended with mineral waters and fruit juices.
    With regard to viticulture, the exclusion of undesirable materials can be achieved by ensuring that no harmful chemical spraying processes are used. The use of chemical spraying techniques has to be monitored because they affect the overall accumulation of unwanted chemicals in the finished wine product. Most grapevines require heat or moisture for their development, and grapevines without pruning further increase this dilemma, leading to the need to spray chemically.
    Shadow plays an important role in the production of grape quality, a higher incidence of botrytis, of real and false vine mildew. These in turn require a chemical intervention. Sulfur-based fungicides may be used, but these introduce unacceptable levels of sulfur. Vineyards without pruning have grapes that produce a mushy wine with excessive herbaceous and repulsive aromas. Light is one of the greatest natural values that is too often forgotten and is simply taken for granted. The focus must be " a vine in harmonic balance " be with yourself. A correct ratio of grapes, leaves, stalks, wood and roots within this balance requires minimal chemical intervention.
    The result of over-watering is a Weinacker " out of balance ". A Weinacker with an abundant shade-giving foliage leads to shaded fruits and in consequence to a late ripening. In addition, excessive pre-harvest irrigation overloads the berry with water and chemicals that alter the berry's natural state. This, in turn, often requires a chemical countermeasure at later stages of processing. Drip irrigation with a constant electronic monitoring of soil moisture is the preferred measure.
    Preferably, the grapes are hand-picked (care being taken not to unduly damage the fruit) and they should be kept in a cool environment (8 ° C to 16 ° C) C), preferably at night. Baume grades range from 13.0 to 14.0 at "Rof" wines at a pH of 3.1 to 3.8, and Baume grades for "white" wines range from 10.0 to 13 , 0 at a pH of 3.0 to 3.5. Minimal dusting with sulfur dioxide is required to minimize degradation of wild yeasts. It is preferable to rely on the wild yeasts during fermentation.
    For red wines, mashing and destemming should take place as early as possible, preferably within 12 hours of harvest. Dewing before mashing is especially recommended to produce a higher quality wine. The benefits are an improvement in taste, in that the astringent leaf-like herbaceous stems are not included. The possible degree of alcohol increases by up to 0.5%, because the stems, which contain water but no sugar, absorb alcohol. By avoiding the pigments in the stems, a color deepening occurs. The fermentation with stems allows a higher oxygen uptake in an accelerated process. We do not strive for speed during fermentation, but only for stability and quality. After destemming and mashing, the mash is pumped into a fermentor, adjusted with tartaric acid, the yeast contents are adjusted according to the requirements, and there is minimal sulfur dioxide addition.
    The container is equipped with a bubble system, so that excess fermentation gases can escape, but no oxygen can enter. An oxygen entry occurs only when submerged. This level of ventilation is important for yeast replication and complete fermentation.
    The submission of the shells (every 10 to 12 hours) at regular intervals and compliance with an ambient temperature of about 25 ° C are essential for the fermentation process. A dry pomace can allow oxidation, and higher or lower temperatures have their own effects on the fermenting juice. Stability during softening is a key element over the next 14 to 21 days. Baume grades are constantly monitored, with a daily reduction of 0.7 to 1.0 Baume grades setting the " control value " represents. When the Baume grades reach 0 ° to 10, the pomace or grape pulp becomes " basket pressed ".
    The pressing requires careful and vigilant monitoring. Over-pressing causes severe astringent notes, phenolic notes and heavy coarse tannins. Balanced pressing reduces the need for a final heavy chemical fining, eliminating waste and chemical intervention.
    At this stage, the combination of free-run juice and pressed juice is transferred to a previously sulfited, sterilized used or new American Oak or French Oak container, and stored at a naturally controlled temperature environment. The temperature range is 15 'O to 25 ° C. After filling, the barrels are struck several times with a rubber hammer to remove air bubbles and filled up to 25 mm from the barrel opening. The barrels are provided with an airlock and the fermentation is allowed to take place inside the barrel. This process takes 3 to 4 months to complete (with the time factor depending on changes in the temperature and temperature in the host environment). At this stage, malic acid-lactic fermentation occurs, either through inoculation or, if this is endemic to the winery, naturally.
    After the fermentation is completed, the keg is tapped, cleaned, sterilized, slightly sulfite treated, filled and the airlocks are removed. After filling, the barrels are hit a few times with a rubber mallet to remove air bubbles, filled again and provided with a bung. The barrel is then positioned with the bung at an angle of 30 ° C to the vertical.
    Sediment has to be removed from young wine, so that yeast cells, bacterial cells and organic foreign substances that cause decay can be reduced and sulphurous acid can be avoided.
    Aeration represents another natural advance in our quest for superior quality. This factor helps complete the yeast conversion and final stability of the wine. Within the fermentation medium, different sedimentation areas occur, which determine the forming amounts of free sulfur dioxide. The tapping leads to a uniformity of these layers. The sulfiting requirements are thus more precise at this stage.
    The frequency of tapping is a matter of conscience, although a timeframe of every two to three months during the first year is quite acceptable, although in reality factors such as the size of the tank or barrel, the temperatures in the cellars and the type of wine determine the decision of the cellar master. His technical ability and experience determine the final requirements. Protein bleaching in an amount of 1 to 3 per 100 liters is required to enhance the settling of the suspended material.
    After aging in storage barrels for 12 to 18 months, at least 3 to 4 times, analyzing, tasting, light sulphiding (if 100% required), confirming that the wine is healthy, free from fermentable Sugar is and has undergone a complete malic acid / lactic acid fermentation, the wine is ready for blending. Therein lies the final reward for the efforts made in the previous 12 to 18 months and in the months leading up to the harvest.
    In the case of white wine, the grapes are freed from stems before mashing. The pH of the juice is adjusted to pH 3.0-3.4 with tartaric acid. The contact time with the skins depends on the requirements of the grape variety, the region of origin, the ambient temperature and the amount of tannins or astringent phenolic constituents. The must is drained under carbon dioxide addition.
    The fermentation temperature is in the range of 10 to 16 'C. A reduction of the sugar content of between 0.4 and 0.8 Baume-degrees is desired. After fermentation, settling of the wine and tapping under carbon dioxide sulfur dioxide is added.
    In all operations relating to white wine, contact with air must be avoided at all costs and a cool temperature environment is used. A wine made as described above has a free sulfur dioxide content of less than 35 ppm and a total sulfur dioxide content of less than 250 ppm. The content of acid-forming anions, chlorides, nitrates and sulphate is below the prescribed maximum values.
    The invention can also be applied to sparkling wine, in which case nitrogen in the headspace is not required, because the carbon dioxide can be sufficient to ensure the required dose strength.
    The two-piece cans suitable for the present invention are cans currently used for soft drinks and beer drinks. The can liners are also similar and are typically an epoxy resin combined with a formaldehyde-based crosslinking agent. Typically, the film thickness is higher than that used for beer and soft drinks. Typically, 175 mg / 375 ml doses were found to result in a suitable film thickness. The internally coated can is baked at temperatures typically in the range of 165 to 185 ° C for 20 minutes. It is important to ensure a well-crosslinked impermeable film to ensure that the wine does not dissolve excessive levels of aluminum during storage.
    The can filling method involves the addition of about 0.1 ml of liquid nitrogen just prior to flaring the lid onto the can body. The internal pressure in the can is about 1,72 bar to 2,76 bar (25 to 40 psi). 4.7
    权利要求:
    Claims (21)
    [1]
    Alternatively, the wine may be carbonated by mixing the wine with carbon dioxide gas in equipment known as a carbonator. This type of equipment is well known and used extensively in the soft drink industry. As discussed above, the shelf life of the wine in the aluminum can is vital. In contrast to wine in bottles, in which the headspace contains oxygen, the headspace in the doses according to the invention has only very low oxygen contents. This means that the wine does not "age" during storage. For test purposes, the packaged wine is stored for a period of 6 months under ambient conditions and 6 months at 30 'C. 50% of the cans are stored upright and 50% turned over. The product is tested at 2-month intervals for Al, pH, Brix, headspace oxygen and by visual inspection of the doses, 6 doses reversed and 6 doses upright per variable. The visual inspection includes the condition of the paint, the staining of the paint and the condition of the beading. Samples are kept for 12 months. A degustation is carried out according to a recognized objective rating system by a tasting panel. The results for evaluation of the storage of a white wine are shown in Table 1. A white wine has on average a lower pH than red wine and is tested harder for storage stability. TABLE 1 Storage ° Brix (20 ° C) Orientation AI mg / l pH Start 6.7 - 0.5 3.40 3 months 6.9 upright 0, 65 3.47 3 months 6.5 upside down 0, 68 3, 47 6 months 7.0 upright 0.72 3.49 6 months 7.0 upside down 0.68 3.50 [0045] The data show satisfactory storage after six months at 30 ° C. The acceptable wine quality was confirmed by the tasting panel. Claims 1. A method of packaging wine in two-piece aluminum cans comprising the steps of: producing a wine characterized by containing less than 35 ppm free S02, less than 300 ppm chloride, and less than 800 ppm sulfates; Filling the body of a two-piece aluminum can with the wine and sealing the can with an aluminum closure such that the pressure inside the container is at least 1.72 bar (25 psi), and the inner surface of the aluminum is coated with a corrosion resistant coating.
    [2]
    2. The method of claim 1, wherein the wine is further characterized as having a total sulfur dioxide content of less than 250 ppm.
    [3]
    The method of claim 2, wherein the wine is further characterized as having a total sulfur dioxide content of less than 100 ppm.
    [4]
    The process of any one of claims 1 to 3, wherein the wine is further characterized by having total nitrites less than 1 ppm, total nitrates less than 30 ppm, total phosphates less than 900 ppm and an acid calculated as tartaric acid Range from 6 g / l to 9 g / l. 5/7 Austrian Patent Office AT12 424 U1 2012-05-15
    [5]
    A process according to any one of claims 1 to 4, wherein the wine is cooled before bottling.
    [6]
    A method according to any one of claims 1 to 5, wherein the corrosion resistant coating is a thermally cured coating.
    [7]
    A method according to any one of claims 1 to 4 and 6, wherein the head space after sealing with the closure has the composition nitrogen 80 to 97% by volume and carbon dioxide 2 to 20% by volume.
    [8]
    8. The method of claim 7, wherein the wine is carbonated before the two-piece can is filled with the wine, whereby the headspace after sealing is predominantly carbon dioxide.
    [9]
    A method according to any one of claims 1 to 8, wherein the head space for a 330 ml can is in the range of 2 to 5 mm.
    [10]
    A two-piece aluminum can filled and manufactured by a process as defined in any one of claims 1 to 9.
    [11]
    11. Two-part aluminum can filled with a wine containing less than 35 ppm of free S02, less than 300 ppm of chloride and less than 800 ppm of sulphates; wherein the can is sealed with an aluminum closure, and the pressure within the container is at least 1.72 bar (25 psi), and wherein the inner surface of the aluminum is coated with a corrosion resistant coating.
    [12]
    The two-part aluminum can according to any one of claims 10 to 11, wherein the wine is further characterized as having a total sulfur dioxide content of less than 250 ppm.
    [13]
    The two-part aluminum can according to claim 12, wherein the wine is further characterized as having a total sulfur dioxide content of less than 100 ppm.
    [14]
    The two-part aluminum can according to any one of claims 10 to 13, wherein the wine is further characterized by having total nitrites of less than 1 ppm, total nitrates of less than 30 ppm, total phosphates of less than 900 ppm and an acid calculated as tartaric acid in the range of 6 g / l to 9 g / l.
    [15]
    A two-piece aluminum can according to any one of claims 10 to 14, wherein the wine has been cooled prior to bottling.
    [16]
    A two-piece aluminum can according to any of claims 10 to 15, wherein the corrosion resistant coating is a thermally cured coating.
    [17]
    The two-piece aluminum can according to any one of claims 10 to 16, wherein the head space after sealing with the closure has the composition of nitrogen 80 to 97% by volume and carbon dioxide 2 to 20% by volume.
    [18]
    A two-piece aluminum can according to claim 17, wherein the headspace is predominantly carbon dioxide.
    [19]
    A two-part aluminum can according to any one of claims 10 to 18, wherein the head space for a 330 ml can is in the range of 2 to 5 mm.
    [20]
    A two-piece aluminum can according to any one of claims 10 to 19, wherein the maximum oxygen content in the head space is 1% by volume.
    [21]
    A two-piece aluminum can according to any one of claims 10 to 20, wherein the wine is a quiet red wine. 6.7
    类似技术:
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    法律状态:
    2012-09-15| MK07| Expiry|Effective date: 20120630 |
    2012-09-15| MN9K| Cancelled due to lapse of time|
    优先权:
    申请号 | 申请日 | 专利标题
    AUPR8001A|AUPR800101A0|2001-09-28|2001-09-28|Process for packaging wine in aluminium cans|
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