Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
  • A01N59/16—Heavy metals; Compounds thereof
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D23/00—Details of bottles or jars not otherwise provided for
  • B65D23/02—Linings or internal coatings
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
  • B65D25/14—Linings or internal coatings
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
  • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
  • B65D81/28—Applications of food preservatives, fungicides, pesticides or animal repellants

Definitions

• This invention concerns a vessel, especially a vessel made of glass or of plastics to store water and/or wine and/or milk, and a method of its manufacture.
• the existing state of the art also shows various efforts to achieve longer durability of the drinks stored which include various antibacterial treatments of surfaces based e.g. on coating them with antibacterial resins.
• Patent Document JPH 0315012 describes antibacterial packing with antibacterial effects made from several layers of which some contain antibiotics.
• the disadvantage of the aforementioned layers is their limited service life.
• Another patent document (EP 2607471) describes aluminium vessels to store wine where the maximum oxygen content in the space above the liquid is 1%VA/.
• the wine is microfiltered before filling the vessel and the content of oxygen solved in the wine during the filling process is kept on max. 0.5 mg/l.
• the final content of carbon dioxide (CO 2 ) solved in the wine is at least 50ppm in white wines and from 50ppm to 400ppm in red wines before the vessel is filled up providing always that the molecular sulfur dioxide content in the aluminium vessel full of wine is within the range from 0.4 to 0.8 mg/l.
• CO 2 carbon dioxide
• a vessel especially made of glass or plastics, to store water and/or wine and/or milk according to the invention the nature of which lies in the fact that the vessel is provided with a transparent layer of silver.
• the advantage of such a vessel is the fact that the silver layer is very thin not forming any reflective surface and that, owing to oligodynamic properties of silver, durability of drinks stored in such a vessel is significantly influenced without using any preservatives.
• the transparent silver layer is made using the reduction deposition method.
• the advantage of this method is evenness and better quality of the silver layer.
• the silver layer contains 0.1 to 300 mg/m 2 of silver.
• Such a layer is transparent and it provides optimum conditions for the beverages stored.
• the vessel is provided with at least one sensitizing layer on which the transparent layer of silver is arranged. It is further advantageous that the sensitizing layer is formed by tin and/or palladium (in a monoatomic layer).
• the advantage is the increased quality of the whole set of the layers, especially better adhesion between the silver layer and the surface of the vessel especially in case the vessel is made of plastics.
• the metals used form a bridge between the surface of the vessel and the silver and they do not get into contact with the beverage stored in the vessel.
• the aforementioned drawbacks are, to a large extent, eliminated and the goals of the invention accomplished by the method of manufacture of the glass or plastic vessel to store water and/or wine and/or milk according to the invention whose nature lies in the fact that the inner surface of the vessel is exposed to an aqueous solution of silver salt and to an aqueous solution of a reduction agent during which the silver contained in the solution is deposited on the surface.
• the concentration of the aqueous solution of silver salt is to be selected in such a manner that the thickness of the layer of the silver deposited on the surface does not exceed the determined value.
• the reaction is to be carried out at room or at slightly elevated temperature.
• the time of silver coating depends on the ambient temperature and ranges from 15 to 30 seconds. This variant is technologically simple and suitable for series production.
• the concentration of the aqueous solution of silver salt ranges from 0.005 to 0.5% of Ag(+) on the understanding that the inner surface of the vessel is exposed to the aqueous solution of silver salt and to the aqueous solution of a reduction agent for the period of 5 to 45 seconds.
• the inner surface of the vessel is first sensitized using a slightly acid solution of tin dichloride before it is exposed to the action of the aqueous solution of silver salt and to an aqueous solution of a reduction agent.
• the inner surface of the vessel is sensitized using a slightly acid 0.01% solution of tin dichloride (SnCI 2 .2H 2 0) for the period of at least 3 seconds. The sensitization improves the adhesion of the silver layer.
• the inner surface of the vessel is activated with an aqueous solution of palladium chloride before it is exposed to the action of the aqueous solution of silver salt and to the aqueous solution of the reduction agent.
• aqueous solution of palladium chloride in concentration of 0.002 to 0.02% Pd (2+) for at least 3 seconds to activate the inner surface of the vessel appears to be the most advantageous.
• the inner surface of the vessel is rinsed with distilled water and thoroughly dried after each individual action of some of the above chemicals.
• the main advantage of the invention is the fact that it ensures stable storage of biologically active noble beverages such as wine and/or milk in a very simple way.
• the silver layer is very thin and for that reason it does not form any reflective surface being almost invisible.
• the layer is transparent and it might make the glass look a little darker which is, after all, advantageous with respect to degradation of beverages caused by the action of light.
• the great advantage is the fact that the use of preservatives (which can affect not only the flavour and nutritional value of the beverages but also consumers' health) can be reduced or completely eliminated.
• the preservatives can cause various types of allergies, e.g. allergy to potassium sulfite which is a common preservative used in wine production.
• a great advantage is also the fact that, owing to the chemical resistance and fineness of metallic silver, there are no undesirable smacks or aftertastes.
• the glass vessel for milk is provided with a transparent silver layer on its inner surface.
• This transparent layer contains 1 mg/m 2 of silver and is made using the reduction deposition method.
• this vessel for wine is exposed to the action of a 0.5% aqueous solution of silver salt (Ag(+)) and to an aqueous solution of a reduction agent at the temperature of 40°C for the period of 5 seconds causing deposition of 1 mg/m 2 of silver on the surface.
• the surface is rinsed with distilled water and dried.
• the plastic vessel for wine is provided with a transparent silver layer on its inner surface.
• This transparent layer contains 300 mg/m 2 of silver and is made using the reduction deposition method.
• This vessel is provided with one sensitizing layer on which the transparent silver layer is arranged.
• the sensitizing layer is formed by tin in a monoatomic layer.
• This vessel for wine is first sensitized with a slightly acid 0.01% solution of tin dichloride (SnCI 2 .2H 2 0) at the temperature of 30°C for the period of 3 seconds and rinsed with distilled water. Then, the inner surface of the vessel is exposed to the action of a 0.5% aqueous solution of silver salt (Ag(+)) and to an aqueous solution of a reduction agent for the period of 45 seconds which results in deposition of silver of 300 mg/m 2 on the surface. In the end, the surface is again rinsed with distilled water and dried.
• a slightly acid 0.01% solution of tin dichloride SnCI 2 .2H 2 0
• the glass vessel for wine is provided with a transparent silver layer on its inner surface.
• This transparent layer contains 100 mg/m 2 of silver and is made using the reduction deposition method.
• This vessel is provided with two sensitizing layers on which the transparent silver layer is arranged.
• the sensitizing layers are formed by tin and palladium in a monoatomic layer.
• This vessel for wine is first sensitized with a slightly acid 0.01% solution of tin dichloride (SnCI 2 .2H 2 0) at the temperature of 20°C for the period of 5 seconds and rinsed with distilled water. Then, the inner surface of the vessel is activated with a 0.002% aqueous solution of palladium chloride (Pd (2+)) for the period of 3 seconds and then rinsed with distilled water again. Then, the inner surface of the vessel is exposed to the action of a 0.5% aqueous solution of silver salt (Ag(+)) and to an aqueous solution of a reduction agent for the period of 25 seconds which results in deposition of silver of 100 mg/m 2 on the surface. In the end, the surface is again rinsed with distilled water and dried.
• a slightly acid 0.01% solution of tin dichloride SnCI 2 .2H 2 0
• Pd (2+) palladium chloride
• the inner surface of the vessel is exposed to the action of a
• the glass vessel for water is provided with a transparent silver layer on its inner surface.
• This transparent layer contains 0.1 mg/m 2 of silver and is made using the reduction deposition method.
• This vessel is provided with two sensitizing layers on which the transparent silver layer is arranged.
• the sensitizing layers are formed by tin and palladium in a monoatomic layer.
• This vessel for wine is first sensitized with a slightly acid 0.01% solution of tin dichloride (SnCI 2 .2H 2 0) at the temperature of 20°C for the period of 5 seconds and rinsed with distilled water. Then, the inner surface of the vessel is activated with a 0.02% aqueous solution of palladium chloride (Pd (2+)) for the period of 3 seconds and then rinsed with distilled water again. Then, the inner surface of the vessel is exposed to the action of a 0.005% aqueous solution of silver salt (Ag(+)) and to an aqueous solution of a reduction agent for the period of 25 seconds which results in deposition of silver of 0.1 mg/m 2 on the surface. In the end, the surface is again rinsed with distilled water and dried.
• the vessel and the methods of its manufacture according to this invention can be used for storage of drinks and water, especially for storage of noble beverages such as wine and milk in an advantageous condition for the consumer as for their nutritional value, flavour and harmlessness to health.

Landscapes

• Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Mechanical Engineering (AREA)
• Food Science & Technology (AREA)
• Pest Control & Pesticides (AREA)
• Plant Pathology (AREA)
• Wood Science & Technology (AREA)
• Inorganic Chemistry (AREA)
• Chemical & Material Sciences (AREA)
• Health & Medical Sciences (AREA)
• Dentistry (AREA)
• General Health & Medical Sciences (AREA)
• Agronomy & Crop Science (AREA)
• Zoology (AREA)
• Environmental Sciences (AREA)
• Details Of Rigid Or Semi-Rigid Containers (AREA)
• Packages (AREA)
• Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
• Surface Treatment Of Glass (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=62979050

Family Applications (1)

Country Status (2)

Citations (9)

• 2017
  • 2017-01-24 CZ CZ2017-32A patent/CZ201732A3/cs unknown
• 2018
  • 2018-01-15 WO PCT/CZ2018/000002 patent/WO2018137725A1/en not_active Ceased

Patent Citations (9)

Also Published As

Similar Documents

Legal Events