EP3645410B1 - Screw cap for wine bottles - Google Patents
Screw cap for wine bottles Download PDFInfo
- Publication number
- EP3645410B1 EP3645410B1 EP18747013.3A EP18747013A EP3645410B1 EP 3645410 B1 EP3645410 B1 EP 3645410B1 EP 18747013 A EP18747013 A EP 18747013A EP 3645410 B1 EP3645410 B1 EP 3645410B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal foil
- screw cap
- bottle
- cap
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 235000014101 wine Nutrition 0.000 title claims description 60
- 229910052751 metal Inorganic materials 0.000 claims description 110
- 239000002184 metal Substances 0.000 claims description 110
- 239000011888 foil Substances 0.000 claims description 100
- 239000002775 capsule Substances 0.000 claims description 23
- 239000010970 precious metal Substances 0.000 claims description 20
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 18
- 229910052737 gold Inorganic materials 0.000 claims description 16
- 239000010931 gold Substances 0.000 claims description 16
- 230000008719 thickening Effects 0.000 claims description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 239000003302 ferromagnetic material Substances 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052762 osmium Inorganic materials 0.000 claims description 3
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 2
- 239000008187 granular material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 19
- 239000007799 cork Substances 0.000 description 12
- 230000032683 aging Effects 0.000 description 11
- 230000008901 benefit Effects 0.000 description 10
- 238000000926 separation method Methods 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 239000005060 rubber Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- 229920002994 synthetic fiber Polymers 0.000 description 4
- 235000013305 food Nutrition 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 235000002566 Capsicum Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000006002 Pepper Substances 0.000 description 2
- 241000722363 Piper Species 0.000 description 2
- 235000016761 Piper aduncum Nutrition 0.000 description 2
- 235000017804 Piper guineense Nutrition 0.000 description 2
- 235000008184 Piper nigrum Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000001404 mediated effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 244000221226 Armillaria mellea Species 0.000 description 1
- 235000011569 Armillaria mellea Nutrition 0.000 description 1
- 244000247747 Coptis groenlandica Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 206010013911 Dysgeusia Diseases 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 240000008289 Quercus suber Species 0.000 description 1
- 235000016977 Quercus suber Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930182497 flavan-3-ol Natural products 0.000 description 1
- 150000002206 flavan-3-ols Chemical class 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000020095 red wine Nutrition 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- CLYZNABPUKUSDX-UHFFFAOYSA-N trichloromethoxybenzene Chemical compound ClC(Cl)(Cl)OC1=CC=CC=C1 CLYZNABPUKUSDX-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
-
- 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
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
- B65D41/045—Discs
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
- B65D51/1605—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior
- B65D51/1622—Closures not otherwise provided for with means for venting air or gas whereby the interior of the container is maintained in permanent gaseous communication with the exterior by means of a passage for the escape of gas between the closure and the lip of the container mouth
-
- 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
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/04—Discs
Definitions
- the present invention relates to a screw cap for wine or liquor bottles, in particular fine or collectible liquors or wines.
- the present invention actually relates to a screw cap, often also called Stelvin closure by one of the most popular trade names used by the manufacturing company Amcor.
- a common screw cap comprises:
- the metal capsule is usually made of aluminium.
- the insert is a disk of synthetic material, or rubber, or multilayer material, for example a multilayer of aluminium, polyethylene PE, polyethylene terephthalate PET, expanded polyethylene EPE.
- the sustained contact of wine with the screw cap insert can however cause undesired changes of the organoleptic characteristics of the wine itself.
- polymers and rubbers are widely used in the food industry, for the food packaging, wine storage is an exception, since the storage times can also be several years long.
- wine can age in bottle, undergoing slow but appreciable chemical transformations. Therefore also the insert of the screw caps can change, over time, the wine taste, worsening it.
- a plastic cap according to the preamble of claim 1, is described on which a layer of metal is coated by using the physical vapor deposition PVD method.
- the metal layer for example gold, prevents the components to be released from the cap to the wine and thereby preserves its quality.
- PVD physical vapor deposition
- the object of the present invention is therefore to provide a screw cap which overcomes the drawbacks of the nowadays available solutions, being simple to be implemented, effective in promoting the bottled wine aging and chemically inert in order not to modify the organoleptic characteristics of the wine not even after long periods in contact with the same.
- the present invention relates to a screw cap according to claim 1.
- the cap comprises a preferably metal outer capsule screwable on the bottle, and at least one insert inserted in the outer capsule and intended to stay interposed between the mouth of the bottle and the outer capsule.
- the insert comprises at least one metal foil intended to stay in contact directly with the mouth of the bottle, in order to intercept it, when the cap is correctly screwed onto the bottle.
- the metal foil is made of a precious metal inert at room temperature, or it is made of an alloy of precious metals inert at room temperature.
- the metal foil is made of gold and even more preferably it is made of 24-carat gold.
- the metal foil is the only element of the cap wettable by the bottled wine, for example when the bottle is tilted.
- the other elements of the cap in fact, can not be reached by the wine.
- the metal foil can be made of a metal selected among gold, iridium, platinum, osmium, rhodium, palladium or an alloy of these metals.
- the insert also comprises a gasket positioned above the metal foil.
- the gasket has a radial extent greater than the metal foil, such to surround it and ensure it always remains centered with respect the mouth of the bottle.
- the gasket also adheres to the mouth of the bottle with its peripheral portion, in practice a circular crown.
- the gasket is made of one or more materials according to known art: for example, natural materials (such as cork, rubber or a not precious metal), or synthetic materials (such as elastomers, tetrafluoroethylene, silicon) or combinations thereof can be used.
- natural materials such as cork, rubber or a not precious metal
- synthetic materials such as elastomers, tetrafluoroethylene, silicon
- the metal or metal alloy of the foil does not chemically interact with the wine contained in the bottle, not even when the wine stays for months or years in contact with the metal foil. This ensures that the cap does not negatively affect the organoleptic wine characteristics. In other words, the metal foil does not release substances able to change the wine taste and aroma, not even after long periods of time, even if the wine is left aging in the bottle.
- Another advantage is related to the physical characteristics of the foil.
- the precious metals taken into account have high electronegativity value.
- 24-carat gold has an electronegativity value equal to 2.54 in the Pauling scale, the highest among the metals. Therefore the metal foil is chemically inert, but can activate the ions usually contained in solution in the wine, and this can in turn trigger phenomena related to the good aging of wine.
- the metal foil of precious metal enhances the value of the bottle and is a collectible element per se.
- the metal foil is engraved on its upper side, i.e. on the side not contacting the bottle content, with bottle identification data, such as for example the wine name and the manufacturer data; optionally, the metal foil can be engraved also or only on the lower side.
- the engraving can be carried out by means of various techniques, for example by the use of laser, or by engraving or chemical etching.
- Providing screw caps with a metal foil of gold with a sign is a circumstance which could promote the diffusion of the screw cap for closing fine wine bottles.
- the cap according to the present invention can also be used for closing bottles of liquors and other fine beverages, not only wine.
- the same foil due to the metal malleability, can be deformed in order to perfectly adhere to the bottle mouth when the cap is completely screwed. Therefore gold malleability helps to obtain a foil also acting as a gasket. Generally, regardless of the metal selected for the foil, it is preferable that the edges of the same adhere to the circular edge of the bottle mouth.
- the metal foil is a disk with thickness lower than 0.5 mm, more preferably lower than 0.1 mm.
- the thickness is 0.01 mm - 0.05 mm.
- the metal foil is micro-pierced, meaning that it comprises a plurality of micro through-holes whose function is to allow the adduction towards the wine of an air volume smaller than 500 mm 3 /year, amount deemed compatible with the good aging of the bottled wines.
- the foil comprises a calibrated porosity portion, which can be defined microporous and allows obtaining the same result in terms of exchanged air volume, i.e. a volume smaller than 500 mm 3 /year.
- Such an air volume can be present in the cap upon screwing the cap on the bottle, for example it can be implemented with an inner air chamber, or more easily the cap allows a minimum air passage from the outside towards the insert and the metal foil.
- the outer capsule of the cap is also micropierced.
- the micro-holes have a diameter smaller than 0.1 mm; the micro-holes can be obtained by laser piercing processes such as those used for making the aerosol device meshes.
- the effective air volume reaching the wine also depends on the permeability of the other cap elements positioned above or around the foil, and that air has to pass through before - actually - reaching the wine.
- the insert comprises a layer of granular or porous substances (for example pepper grains) composing a bed promoting the good aging of the wine contained in the bottle; for example the layer of granular or porous substances can act as a reaction bed or it can release, in the air contained in the cap, volatile components which can pass, over the years, to the wine contained in the bottle thanks to the fluidic communication ensured by the micro-holes obtained in the metal foil.
- the insert also comprises an elastic element interposed between the gasket and the outer capsule.
- the elastic element for example of a plastic material, rubber or cork, is preloaded upon screwing the cap on the bottle and has the function of constantly applying a thrust onto the gasket and, thus, indirectly onto the metal foil in order to ensure the sealed coupling with the bottle mouth.
- the metal foil has a thickening circumferentially extending on the upper side of the metal foil and generating an embossed circular profile on the surface of the metal foil.
- the thickening is in the portion of the metal foil resting on the bottle mouth and can be made by edging, welding or by means of a ring rested on the metal foil. Such a thickening concurs, together with the just described elastic element, to apply a greater thrust on the metal foil itself in order to ensure a better seal.
- the thickening is in proximity of the edge of the metal foil and constitutes a frame for possible identification engravings, previously described, obtained on the surface of the metal foil.
- the insert can comprise a stiffening element, rigid with respect to the gasket and the elastic element, positioned between the metal foil and the gasket, directly contacting the metal foil.
- the stiffening element can be made of glass, ceramic or high-density plastic material and provides the cap with increased strength.
- the cap is particularly useful for closing the small volume bottles, smaller than 100 ml, which are not subjected to the restrictions on hand baggage on airplanes.
- the small volume bottles in fact, the afore described drawbacks related to the known art occur more frequently, since the exchange surface with wine is significant in proportion to the amount of wine contained in the bottle.
- the stopper in the small volume bottles closed with traditional stopper, the stopper has a greater effect than in the large volume bottles.
- the metal foil can be separated from the insert once the cap is needed to be used no more: by applying a minimum force the user can remove the metal foil from the cap and store it for collection purposes.
- the metal foil is provided on its lower side with at least one stalk, i.e. an appendix protruding towards the inside of the bottle.
- the at least one stalk is positioned at a distance from the edge such as to allow the metal foil to adhere to the bottle mouth and ensure a minimum overlapping of at least 1 mm on the entire circumference of the bottle mouth and preferably in a self-centering way.
- the at least one stalk can be connected to the foil already in the mold from which the metal foil is drawn, or it can be later connected by welding thereto (preferably by laser welding).
- the at least one stalk facilitates the separation of the metal foil from the screw cap: the user in fact, by using a clamp, can easily grasp the stalk and separate the metal foil from the cap in order to store the metal foil made of precious metal.
- the metal foil is provided with three substantially cylindrical stalks with axis substantially perpendicular to the lower side of the metal foil.
- the presence of three stalks allows ensuring that the metal foil does not move radially and thus does not move away from its centered position on the neck of the bottle.
- the stalks limit the radial movements of the metal foil: it can move on the plane formed by the bottle mouth as long as the stalks do not come into abutment against the bottle neck, thus preventing further movements in that direction.
- the metal foil has three horseshoe shaped, i.e. U-shaped, stalks, which delimit an eyelet between the metal foil and each stalk.
- the particular U-shape of the stalks allows a threadlike element, such as a chainlet, to be inserted inside the eyelet such to be able to connect several stalks of the same metal foil or different metal foils. For example, in this way, necklaces or collectible ornaments can be created.
- the metal foil can be provided with stalks with different shape, also different from the described ones.
- the insert of the screw cap also comprises a leaf made of ferromagnetic material (i.e. with high magnetic permeability), for example made of iron, martensitic stainless steel, cobalt or other permanently magnetized materials.
- the leaf is positioned above the metal foil and, due to its ferromagnetic characteristics, is able to follow the movements of a magnet which is preferably provided with the bottle. When the user moves the magnet closer to the lower side of the metal foil, it applies an attraction force on the leaf and if the user later moves away the magnet from the cap, the leaf follows the movement away of the magnet and separates from the cap.
- the movement of the magnet and the leaf away from the cap also causes the concurrent separation from the cap of the metal foil, since the latter is interposed between the leaf and the magnet.
- the leaf is positioned above the metal foil and the gasket: in this way the gasket is in a position interposed between the metal foil and the leaf and it is less likely that the bottle content comes into contact with the leaf of ferromagnetic material.
- the leaf is interposed between the metal foil and the gasket and preferably the leaf is in contact with the metal foil.
- the insert of the screw cap can be made in one piece, i.e. of a single material, able to ensure the good aging of wine and ensure the proper positioning on the bottle mouth also for many years.
- Figure 1a shows a vertical section, which can also defined as axial or diametrical, of a portion of screw cap T' according to the known art, the screw cap closing a wine bottle B.
- the bottle B is provided with a neck provided with a screw finish level 1 on which the cap T' is screwed.
- the cap T' in turn comprises a capsule of aluminium 2, threaded in 2', and an insert 3 positioned between the capsule 2 and the neck of the bottle B.
- the insert 3 is composed of a first element 3', for example of cork, plastic material or rubber, and a second element 3", acting as a sealant, of polymeric material.
- first element 3' for example of cork, plastic material or rubber
- second element 3 acting as a sealant, of polymeric material.
- Figure 1b shows a partial vertical section of another screw cap T" according to known art.
- the cap T" comprises an insert 3 composed of three elements: the same elements 3' and 3" described afore plus an additional element 3"' made of a polymeric material, adapted to compress the elements 3' and 3" against the mouth of the bottle B and to embody the screw coupling at the screw finish level 1 of the bottle B.
- the elements composing the insert 3 i.e. the elements 3', 3", 3'" (if present), can be made of a single material, i.e. in one piece.
- Numeral reference 4 indicates the weakened zone of the aluminium capsule 2, i.e. the predetermined weakened line allowing the cap T', T" to be rotated with respect to the neck of the bottle B.
- Figure 2 shows a vertical section of a first embodiment 10a of a screw cap according to the present invention, applied to a glass or ceramic bottle B.
- the cap 10a comprises a metal capsule 2, an insert 11a being housed inside the latter.
- the capsule 2 comprises a screw portion 2' for screwing on the finish level 1 of the bottle B, as also described relating to the known art.
- the insert 11a comprises a lower element 12 intended to contact the wine contained in the bottle B.
- It is a metal foil made of gold, or another precious metal inert at room temperature, for example iridium, platinum, osmium, rhodium, palladium or an alloy of these metals.
- the lower element 12 is a twenty four-carat gold (24 kt) disk.
- the lower element 12 is a disk whose thickness is lower than 1 mm, for example 0.01 - 0.05 mm, and whose diameter is slightly larger than the inner diameter of the mouth 13 of the bottle B.
- the advantages offered by the presence of the disk 12 of precious metal are many.
- the listed precious metals are chemically inert and do not release in the wine substances which could modify its taste and aroma, not even when the bottle is stored for long periods of time in tilted position, with the wine directly contacting the metal. Therefore this ensures that wine organoleptic properties, specifically taste and aroma, do not undergo negative alterations.
- the disk 12 is of gold, the following advantage can also be found: gold is notoriously malleable and under the compression action of the capsule 2 screwed on the neck N of the bottle B, perfectly suits to the surface of the mouth 13, meaning that it deforms to realize and ensure the airtightness. In practice the disk 12 acts as a gasket, still being of metal and not a synthetic material.
- a further advantage is the enhanced commercial value of the cap itself and, thus, the enhanced value of the bottle B.
- the disk 12 of precious metal can be drawn from the screw cap 10a and can be part of a collection: further embodiments facilitating the separation of the disk 12 from the screw cap will be described in the following.
- identification signs can be inserted on the upper and/or lower side of the disk 12, i.e. respectively on the side contacting the element 14 (described below) and/or on that which can contact the wine contained in the bottle.
- the presence of the disk 12 of precious metal can be a plus on the market, and could allow attracting potential customers among those who up to now have been skeptical of the use of the screw cap for closing fine wine bottles B.
- the insert 11a comprises two other elements 14 and 15 stacked on the disk 12.
- the element 14 is preferably a gasket of natural material, such as cork, rubber or a not-precious metal (for example a stainless steel or aluminium thin layer), or synthetic material such as elastomers, tetrafluoroethylene, silicon, or a combination thereof.
- the element 14 has a radial extent greater than the metal foil 12 itself, and with its outer crown surrounds the metal foil 12 by adhering to the mouth 13 of the bottle B.
- the element 15 is preferably elastic, to apply a thrust onto the underlying elements 12 and 14, to promote the adhesion against the surface of the mouth 13 of the bottle B.
- the element 15 can be made of cork, or a polymeric material such as PET or PE.
- the element 15 When the screw cap 10a is mounted on the bottle, the element 15 is slightly compressed, such that the element 15 constantly applies a thrust onto the underlying elements in order to ensure a perfect adherence of the disk 12 on the mouth 13 of the bottle B.
- the elastic element 15 comprises a circular crown 15' protruding downwards and having the function of perimetrically deforming the element 14 in order to make it adhere to the mouth 13 of the bottle B, around the disk 12, which in this way can not move anymore in radial direction and always remains centered and coaxial with respect to the mouth 13 of the bottle B.
- Figure 3 shows a second embodiment 10b of the cap according to the present invention.
- the respective insert 11b comprises a disk 12 of precious metal, an elastic element 15 and a gasket 14, for example of rubber or a plastic material. Between the gasket 14 and the disk 12 of precious metal an additional element 16 made of a material selected among a metal, also not precious, preferably glass or ceramic, is interposed.
- the element 16 has the task of preventing the elastic element 15 from deforming at the axis X-X of the bottle B, for example it prevents the elastic element 15 from "bulging" or curving in the center, by relieving the load on the disk 12 which has to always stay well adhering to the mouth 13 of the bottle B instead.
- Figure 4 shows a third embodiment 10c of the screw cap.
- the bottle B has a circular convexity 17 on the mouth 13 and the gasket 14 follows the profile thereof by adhering to ensure the tightness, under the thrust of the elastic element 15.
- Figure 5 shows a fourth embodiment 10d wherein with the numeral reference 18 air is denoted, or a cork element or an activated carbon element or a layer of granular or powder substances (for example pepper grains) composing a bed that promotes the good aging of the wine contained in the bottle B: such a layer releases volatile substances in the air contained in the cap, which are released to the wine over time.
- the gasket 14 has an accordion portion 14' jutting towards the disk 12, which allows the pressure on the disk 12 to be properly applied.
- Figure 6 shows a fifth embodiment 10e similar to the preceding one but comprising, in addition, the stiffening element 16 made of glass, metal or ceramic.
- the portion 14' appears to be deformed, slightly flattened against the element 16.
- the gasket 14 has a different, less flattened, profile with respect to what shown in figure 6 .
- the embodiments shown in figures 5-7 differ for the insert shape.
- the gasket 14 can have a different profile among the three embodiments in order to obtain different pressure zones on the mouth 13 of the bottle B.
- Figures 8-10 schematically show corresponding embodiments of the disk 12 of precious metal.
- the disk 12 is S-shaped (in cross section) in 12' such as to define a controlled deformation zone and a contact shoulder against the gasket 14, which prevents lateral movements (in radial direction) of the disk 12 itself.
- the disk 12 is U-shaped (in cross section) in 12" such as to define a controlled deformation zone and a contact shoulder against the gasket 14.
- the disk 12 is L-shaped (in cross section) in 12"' such as to define a controlled deformation zone and a contact shoulder against the gasket 14.
- FIG 11 another embodiment 10g of the cap according to the present invention is shown, which is characterized in that the gasket 14 is of annular type: a section can be seen in figure.
- the gasket 14, seen in vertical section has a radial pin 20 which rests against the disk 12.
- the pin 20 radially extends inwards and cantilevered from the remaining part of the gasket 14; a zig-zag, or W-shaped portion 21 is interposed between the pin 20 and the remaining part of the gasket 14 in order to allow the pin to flex and adapt to the definitive shape taken with the cap 10g completely screwed on the bottle B.
- micro-holes pierced through the disk 12 of precious metal are denoted.
- the micro-holes 19 are drilled for example by the laser piercing technique and allow a minimum, but important, air exchange with the part overlying the disk 12.
- the holes 19 allow an air passage towards the wine contained in the bottle for a volume corresponding to a few mm 3 /year. It is an air volume compatible with the good aging of the bottled wine.
- the capsule 2 and the gasket 14, which extends above the disk 12 are also pierced.
- the numeral reference 27 denotes the micro-holes drilled through the capsule 2 while, by the numeral reference 22, the micro-holes drilled through the gasket 14 are denoted.
- the object is to allow a minimum air supply towards the bottled wine.
- Figure 13 shows a ninth embodiment 10i of the screw cap; this embodiment differs from the preceding ones in that to the disk 12 is provided with a thickening 23 on the upper side, i.e. on the side opposite to the one contacting the mouth 13 of the bottle B.
- Such thickening 23 extends circumferentially on the disk 12 at the edge of the disk 12 itself, thus taking the shape of a circular edge of the disk 12.
- the thickening 23 is obtained at a distance from the center of the disk 12 such to be positioned above the mouth 13 of the bottle B.
- the thickening 23 also has the aesthetic advantage of constituting a frame on the disk 12, which is able to give greater emphasis to possible identification signs positioned on the upper side of the disk 12.
- FIG 14 a tenth embodiment 101 of the cap according to the present invention, wherein the disk 12 comprises a stalk 24 with a substantially cylindrical shape protruding from the lower side of the disk 12, is shown.
- the function of the stalk 24 is to facilitate the separation of the gold disk 12 from the cap 101, for example, by means of a clamp.
- FIGS 15 and 16 two additional embodiments of the disk 12 are shown (the whole cap is not shown).
- the disk 12 is provided with three stalks 24', 24", 24'" on the lower side with the same shape as the stalk 24 described in figure 14 ; such stalks 24', 24", 24"', in addition to facilitate the separation of the disk 12 from the screw cap, have the function of keeping the disk 12 seated on the mouth 13 of the bottle B, especially during the cap positioning and screwing.
- the embodiment shown in figure 16 differs from the one shown in figure 15 for the horseshoe shape, or U shape, of the stalks 25', 25", 25'" of the disk 12. These stalks 25', 25", 25'" have an eyelet delimited by the disk 12 and by each stalk 25', 25", 25'" itself.
- a preferably gold thread can be inserted through this eyelet, such to connect several stalks for ornamental purpose, both belonging to the same disk 12 and belonging to different disks, in order to add them to a collection.
- the stalks described in figures 14-16 can be made separately and subsequently weld to the disk 12 or, in case of the stalks in figure 14 and 15 , directly connected to the disk 12 already directly in the mould.
- stalks 24, 24'-24'" and 25'-25'” place themselves on the disk 12 in such a position to both ensure that the disk 12 rests on the mouth 13 of the bottle B and ensure that the stalks 24, 24'-24'" and 25'-25'” are able to intercept the neck N of the bottle B thus preventing the disk 12 from exiting from its own seat; in practice such stalks 24, 24'-24'" and 25'-25'” are inscribed in such a circumference that a superposition of at least 1 mm with the mouth 13 is ensured.
- Figures 17 and 18 show, respectively, two embodiments 10m and 10n whose respective inserts 11m and 11n comprise a leaf 26 made of a ferromagnetic material, i.e. having high magnetic permeability; for example the leaf 26 can be made of iron, martensitic stainless steel, cobalt or a permanently magnetized material.
- the leaf 26 is positioned above the disk 12 and, since it is provided with ferromagnetic properties, can follow the movement of a magnet, preferably provided together with the bottle B.
- the leaf 26 is positioned above the gasket 14 such that the gasket 14 is interposed between the leaf 26 and the disk 12.
- Such an embodiment ensures that the content of the bottle B does not come into contact with the material the leaf 26 is made of, in case the disk 12 moves radially on the mouth 13 of the bottle B or incidentally shows a leak.
- the leaf 26 is directly above the disk 12 and in contact with the same. Therefore in this case the leaf 26 is in a position interposed between the gasket 14 and the disk 12. This arrangement allows an easier separation of the disk 12 from the cap since there is no screw cap component between the disk and the leaf 26 which is able to prevent the separation thereof.
- the screw cap according to the present invention can be provided with an element such as the element 3"' shown in figure 1b .
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Description
- The present invention relates to a screw cap for wine or liquor bottles, in particular fine or collectible liquors or wines.
- Conventionally wine bottles are closed with corks, and for decades cork has been considered the most suitable material in order to preserve the organoleptic characteristics of the wine contained in bottles. However it has been found that in a significant portion of the bottles closed with corks, wine undergoes taste alterations, just due to smells and drynesses the cork releases to the wine. In certain instances the wine acquires the so called cork flavor caused by a substance, the trichloroanisole (TCA), in turn produced by a fungus, Armillaria mellea, pest of the cork oak.
- Lately other systems for closing the bottles have been proposed; the new systems are taking rapidly growing market shares.
- For example synthetic caps, improperly called "silicon caps", glass caps and screw caps have been proposed.
- The present invention actually relates to a screw cap, often also called Stelvin closure by one of the most popular trade names used by the manufacturing company Amcor.
- A common screw cap comprises:
- a metal screw capsule, i.e. a capsule screwable on the neck of the bottles at the respective screw finish level, or the respective screw collar, and
- an insert positioned in the capsule, intended to stay interposed and pressed between the capsule itself and the mouth of the bottle, acting as a gasket. The insert is wettable by the wine when the bottle is closed.
- The metal capsule is usually made of aluminium. The insert is a disk of synthetic material, or rubber, or multilayer material, for example a multilayer of aluminium, polyethylene PE, polyethylene terephthalate PET, expanded polyethylene EPE.
- Depending on the structure of the insert, higher or lower cap oxygen permeability can be obtained.
- The sustained contact of wine with the screw cap insert can however cause undesired changes of the organoleptic characteristics of the wine itself. Although polymers and rubbers are widely used in the food industry, for the food packaging, wine storage is an exception, since the storage times can also be several years long. Furthermore wine can age in bottle, undergoing slow but appreciable chemical transformations. Therefore also the insert of the screw caps can change, over time, the wine taste, worsening it.
- In order to prevent polymeric materials of which the caps are made from changing the wine organoleptic characteristics, in the German Patent Application
DE10060418 a plastic cap, according to the preamble ofclaim 1, is described on which a layer of metal is coated by using the physical vapor deposition PVD method. The metal layer, for example gold, prevents the components to be released from the cap to the wine and thereby preserves its quality. - However the physical vapor deposition PVD is not an easy and fast way that can be used to manufacture caps on industrial scale especially when a significant thickness is intended to be obtained in order to increase the impermeability.
- Furthermore, another limit of the current screw caps is that they do not promote the good aging of the bottled wine for the opposite reason, i.e. for the nearly total absence of interaction with the atmospheric oxygen when the cap is effective.
-
- The object of the present invention is therefore to provide a screw cap which overcomes the drawbacks of the nowadays available solutions, being simple to be implemented, effective in promoting the bottled wine aging and chemically inert in order not to modify the organoleptic characteristics of the wine not even after long periods in contact with the same.
- Therefore the present invention relates to a screw cap according to
claim 1. - Specifically, the cap comprises a preferably metal outer capsule screwable on the bottle, and at least one insert inserted in the outer capsule and intended to stay interposed between the mouth of the bottle and the outer capsule. Advantageously, at its lower face the insert comprises at least one metal foil intended to stay in contact directly with the mouth of the bottle, in order to intercept it, when the cap is correctly screwed onto the bottle. The metal foil is made of a precious metal inert at room temperature, or it is made of an alloy of precious metals inert at room temperature.
- Preferably the metal foil is made of gold and even more preferably it is made of 24-carat gold.
- The metal foil is the only element of the cap wettable by the bottled wine, for example when the bottle is tilted. The other elements of the cap, in fact, can not be reached by the wine.
- For example, the metal foil can be made of a metal selected among gold, iridium, platinum, osmium, rhodium, palladium or an alloy of these metals.
- Differently from other proposed solutions, the insert also comprises a gasket positioned above the metal foil. The gasket has a radial extent greater than the metal foil, such to surround it and ensure it always remains centered with respect the mouth of the bottle. The gasket also adheres to the mouth of the bottle with its peripheral portion, in practice a circular crown.
- The gasket is made of one or more materials according to known art: for example, natural materials (such as cork, rubber or a not precious metal), or synthetic materials (such as elastomers, tetrafluoroethylene, silicon) or combinations thereof can be used.
- The advantages offered by such a solution are many. Firstly the metal or metal alloy of the foil does not chemically interact with the wine contained in the bottle, not even when the wine stays for months or years in contact with the metal foil. This ensures that the cap does not negatively affect the organoleptic wine characteristics. In other words, the metal foil does not release substances able to change the wine taste and aroma, not even after long periods of time, even if the wine is left aging in the bottle.
- Another advantage is related to the physical characteristics of the foil. The precious metals taken into account have high electronegativity value. For example, 24-carat gold has an electronegativity value equal to 2.54 in the Pauling scale, the highest among the metals. Therefore the metal foil is chemically inert, but can activate the ions usually contained in solution in the wine, and this can in turn trigger phenomena related to the good aging of wine.
- It is apparent that the afore described gasket is essential for the metal foil to positively concur to the wine aging: without the gasket the metal foil could be radially displaced and the wine could come into contact with parts of the cap which are able to alter its organoleptic properties.
- Last but not least, another advantage is of commercial nature. The metal foil of precious metal enhances the value of the bottle and is a collectible element per se.
- Preferably the metal foil is engraved on its upper side, i.e. on the side not contacting the bottle content, with bottle identification data, such as for example the wine name and the manufacturer data; optionally, the metal foil can be engraved also or only on the lower side. The engraving can be carried out by means of various techniques, for example by the use of laser, or by engraving or chemical etching.
- Providing screw caps with a metal foil of gold with a sign is a circumstance which could promote the diffusion of the screw cap for closing fine wine bottles. Of course the cap according to the present invention can also be used for closing bottles of liquors and other fine beverages, not only wine.
- In the preferred case in which the metal foil is made of gold, the same foil, due to the metal malleability, can be deformed in order to perfectly adhere to the bottle mouth when the cap is completely screwed. Therefore gold malleability helps to obtain a foil also acting as a gasket. Generally, regardless of the metal selected for the foil, it is preferable that the edges of the same adhere to the circular edge of the bottle mouth.
- Preferably the metal foil is a disk with thickness lower than 0.5 mm, more preferably lower than 0.1 mm. For example in case of 24-carat gold foil the thickness is 0.01 mm - 0.05 mm.
- In an embodiment the metal foil is micro-pierced, meaning that it comprises a plurality of micro through-holes whose function is to allow the adduction towards the wine of an air volume smaller than 500 mm3/year, amount deemed compatible with the good aging of the bottled wines. Alternatively to the holes, the foil comprises a calibrated porosity portion, which can be defined microporous and allows obtaining the same result in terms of exchanged air volume, i.e. a volume smaller than 500 mm3/year. Such an air volume can be present in the cap upon screwing the cap on the bottle, for example it can be implemented with an inner air chamber, or more easily the cap allows a minimum air passage from the outside towards the insert and the metal foil.
- Optionally, in order to facilitate the air passage, the outer capsule of the cap is also micropierced.
- Preferably, the micro-holes have a diameter smaller than 0.1 mm; the micro-holes can be obtained by laser piercing processes such as those used for making the aerosol device meshes.
- It should be underlined that, in addition to the permeability of the metal foil, the effective air volume reaching the wine also depends on the permeability of the other cap elements positioned above or around the foil, and that air has to pass through before - actually - reaching the wine.
- For example the paper " Permeability of Cork to Gases", Journal of Agricultural and Food Chemistry, 2011, 59, 3590-3597, published March 24, 2011, provides a mathematical model which can be used to calculate the gas flow rate through a cork. The same mathematical model can be used in order to calculate the air flow rate passing though the cap according to the present invention, specifically the layer composed of the metal foil and the other cap elements positioned above or around the foil.
- Optionally, the insert comprises a layer of granular or porous substances (for example pepper grains) composing a bed promoting the good aging of the wine contained in the bottle; for example the layer of granular or porous substances can act as a reaction bed or it can release, in the air contained in the cap, volatile components which can pass, over the years, to the wine contained in the bottle thanks to the fluidic communication ensured by the micro-holes obtained in the metal foil. Preferably the insert also comprises an elastic element interposed between the gasket and the outer capsule. The elastic element, for example of a plastic material, rubber or cork, is preloaded upon screwing the cap on the bottle and has the function of constantly applying a thrust onto the gasket and, thus, indirectly onto the metal foil in order to ensure the sealed coupling with the bottle mouth.
- In an embodiment the metal foil has a thickening circumferentially extending on the upper side of the metal foil and generating an embossed circular profile on the surface of the metal foil. The thickening is in the portion of the metal foil resting on the bottle mouth and can be made by edging, welding or by means of a ring rested on the metal foil. Such a thickening concurs, together with the just described elastic element, to apply a greater thrust on the metal foil itself in order to ensure a better seal.
- Preferably the thickening is in proximity of the edge of the metal foil and constitutes a frame for possible identification engravings, previously described, obtained on the surface of the metal foil.
- Optionally the insert can comprise a stiffening element, rigid with respect to the gasket and the elastic element, positioned between the metal foil and the gasket, directly contacting the metal foil. For example, the stiffening element can be made of glass, ceramic or high-density plastic material and provides the cap with increased strength.
- Advantageously the cap is particularly useful for closing the small volume bottles, smaller than 100 ml, which are not subjected to the restrictions on hand baggage on airplanes. In the small volume bottles, in fact, the afore described drawbacks related to the known art occur more frequently, since the exchange surface with wine is significant in proportion to the amount of wine contained in the bottle. In other words, in the small volume bottles closed with traditional stopper, the stopper has a greater effect than in the large volume bottles.
- Preferably the metal foil can be separated from the insert once the cap is needed to be used no more: by applying a minimum force the user can remove the metal foil from the cap and store it for collection purposes.
- Preferably the metal foil is provided on its lower side with at least one stalk, i.e. an appendix protruding towards the inside of the bottle.
- The at least one stalk is positioned at a distance from the edge such as to allow the metal foil to adhere to the bottle mouth and ensure a minimum overlapping of at least 1 mm on the entire circumference of the bottle mouth and preferably in a self-centering way.
- The at least one stalk can be connected to the foil already in the mold from which the metal foil is drawn, or it can be later connected by welding thereto (preferably by laser welding).
- Advantageously, the at least one stalk facilitates the separation of the metal foil from the screw cap: the user in fact, by using a clamp, can easily grasp the stalk and separate the metal foil from the cap in order to store the metal foil made of precious metal.
- In an embodiment, the metal foil is provided with three substantially cylindrical stalks with axis substantially perpendicular to the lower side of the metal foil. In addition to allow the metal foil to be removed, advantageously, the presence of three stalks allows ensuring that the metal foil does not move radially and thus does not move away from its centered position on the neck of the bottle. In other words the stalks limit the radial movements of the metal foil: it can move on the plane formed by the bottle mouth as long as the stalks do not come into abutment against the bottle neck, thus preventing further movements in that direction.
- In another embodiment the metal foil has three horseshoe shaped, i.e. U-shaped, stalks, which delimit an eyelet between the metal foil and each stalk.
- In addition to provide the above described advantages, the particular U-shape of the stalks allows a threadlike element, such as a chainlet, to be inserted inside the eyelet such to be able to connect several stalks of the same metal foil or different metal foils. For example, in this way, necklaces or collectible ornaments can be created.
- Optionally, the metal foil can be provided with stalks with different shape, also different from the described ones.
- Preferably the insert of the screw cap also comprises a leaf made of ferromagnetic material (i.e. with high magnetic permeability), for example made of iron, martensitic stainless steel, cobalt or other permanently magnetized materials. Advantageously, the leaf is positioned above the metal foil and, due to its ferromagnetic characteristics, is able to follow the movements of a magnet which is preferably provided with the bottle. When the user moves the magnet closer to the lower side of the metal foil, it applies an attraction force on the leaf and if the user later moves away the magnet from the cap, the leaf follows the movement away of the magnet and separates from the cap. Since the leaf is positioned above the metal foil and since the magnet gets closer to the metal foil at the lower side of the metal foil, the movement of the magnet and the leaf away from the cap also causes the concurrent separation from the cap of the metal foil, since the latter is interposed between the leaf and the magnet.
- In an embodiment the leaf is positioned above the metal foil and the gasket: in this way the gasket is in a position interposed between the metal foil and the leaf and it is less likely that the bottle content comes into contact with the leaf of ferromagnetic material.
- In another embodiment the leaf is interposed between the metal foil and the gasket and preferably the leaf is in contact with the metal foil. By arranging the leaf in a position interposed between the gasket and the metal foil the separation of the leaf, and thus also of the metal foil, is promoted, since, the gasket not being between the leaf and the metal foil, the greatest is the force applied by the magnet on the leaf the easiest is the separation from the cap. Indeed the gasket, not being interposed between the leaf and the magnet, does not move away from the screw cap in response to the movement away of the leaf and the magnet but it remains seated in the screw cap.
- Advantageously the insert of the screw cap can be made in one piece, i.e. of a single material, able to ensure the good aging of wine and ensure the proper positioning on the bottle mouth also for many years.
- Further characteristics and advantages of the cap according to the present invention are described in the dependent claims.
- Further characteristics and advantages of the invention will be better highlighted by the review of the following specification of a preferred, but not exclusive, embodiment illustrated for illustration purposes only and without limitation, with the aid of the accompanying drawings, wherein:
-
figure 1a is an axial/vertical section view of a portion of screw cap according to the known art; -
figure 1b is a partial sectional view, of another screw cap according to the known art; -
figure 2 is a sectional view of a portion of a first embodiment of screw cap according to the present invention; -
figure 3 is a sectional view of a portion of a second embodiment of screw cap according to the present invention; -
figure 4 is a sectional view of a portion of a third embodiment of screw cap according to the present invention; -
figure 5 is a sectional view of a portion of a fourth embodiment of screw cap according to the present invention; -
figure 6 is a sectional view of a portion of a fifth embodiment of screw cap according to the present invention; -
figure 7 is a sectional view of a portion of a sixth embodiment of screw cap according to the present invention; -
figures 8-10 are schematic views of a detail of corresponding embodiments of screw cap according to the present invention; -
figure 11 is a sectional view of a portion of a seventh embodiment of screw cap according to the present invention; -
figure 12 is a sectional view of a portion of an eighth embodiment of screw cap according to the present invention; -
figure 13 is a sectional view of a portion of a ninth embodiment of screw cap according to the present invention; -
figure 14 is a sectional view of a portion of a tenth embodiment of screw cap according to the present invention; -
figures 15 and 16 are perspective views of two embodiments of the metal foil of the screw cap according to the present invention; -
figure 17 is a sectional view of a portion of an eleventh embodiment of screw cap according to the present invention; -
figure 18 is a sectional view of a portion of a twelfth embodiment of screw cap according to the present invention. -
Figure 1a shows a vertical section, which can also defined as axial or diametrical, of a portion of screw cap T' according to the known art, the screw cap closing a wine bottle B. The bottle B is provided with a neck provided with ascrew finish level 1 on which the cap T' is screwed. The cap T' in turn comprises a capsule ofaluminium 2, threaded in 2', and aninsert 3 positioned between thecapsule 2 and the neck of the bottle B. - In turn the
insert 3 is composed of a first element 3', for example of cork, plastic material or rubber, and asecond element 3", acting as a sealant, of polymeric material. When the bottle B is tilted, the wine contacts the sealingelement 3". -
Figure 1b shows a partial vertical section of another screw cap T" according to known art. The cap T" comprises aninsert 3 composed of three elements: thesame elements 3' and 3" described afore plus anadditional element 3"' made of a polymeric material, adapted to compress theelements 3' and 3" against the mouth of the bottle B and to embody the screw coupling at thescrew finish level 1 of the bottle B. - With a convenient selection of the used materials, the elements composing the
insert 3, i.e. theelements 3', 3", 3'" (if present), can be made of a single material, i.e. in one piece. -
Numeral reference 4 indicates the weakened zone of thealuminium capsule 2, i.e. the predetermined weakened line allowing the cap T', T" to be rotated with respect to the neck of the bottle B. -
Figure 2 shows a vertical section of a first embodiment 10a of a screw cap according to the present invention, applied to a glass or ceramic bottle B. The cap 10a comprises ametal capsule 2, aninsert 11a being housed inside the latter. Thecapsule 2 comprises a screw portion 2' for screwing on thefinish level 1 of the bottle B, as also described relating to the known art. - However, differently from known solutions, advantageously the
insert 11a comprises alower element 12 intended to contact the wine contained in the bottle B. It is a metal foil made of gold, or another precious metal inert at room temperature, for example iridium, platinum, osmium, rhodium, palladium or an alloy of these metals. Preferably thelower element 12 is a twenty four-carat gold (24 kt) disk. Preferably thelower element 12 is a disk whose thickness is lower than 1 mm, for example 0.01 - 0.05 mm, and whose diameter is slightly larger than the inner diameter of themouth 13 of the bottle B. - The advantages offered by the presence of the
disk 12 of precious metal are many. The listed precious metals are chemically inert and do not release in the wine substances which could modify its taste and aroma, not even when the bottle is stored for long periods of time in tilted position, with the wine directly contacting the metal. Therefore this ensures that wine organoleptic properties, specifically taste and aroma, do not undergo negative alterations. - Furthermore the mentioned precious metals, even if inert from the chemical point of view, are mostly electronegative. As afore mentioned, for example 24kt gold has an electronegativity value equal to 2.54 in the Pauling scale. This characteristic can promote the good aging of bottled wine, since wine usually contains ions of various nature in solution. For example, it has been found that the evolution of the flavan-3-ols in the oxidative refinement of red wines is widely related to the formation of ethyl bridges-mediated polymerizations, following the formation of ethanal by ethanol oxidation. This phenomenon originates from the Fe(II/III) ions-mediated phenolic oxidation [talk on May 6, 2015 at the national prize SIVE "G. Versini", n.35, " Influenza della natura dei composti fenoli nell'invecchiamento del vino rosso", D. Fracassetti et al., page 23). The contact with the precious metal can promote the ion action.
- In case the
disk 12 is of gold, the following advantage can also be found: gold is notoriously malleable and under the compression action of thecapsule 2 screwed on the neck N of the bottle B, perfectly suits to the surface of themouth 13, meaning that it deforms to realize and ensure the airtightness. In practice thedisk 12 acts as a gasket, still being of metal and not a synthetic material. - A further advantage is the enhanced commercial value of the cap itself and, thus, the enhanced value of the bottle B. The
disk 12 of precious metal can be drawn from the screw cap 10a and can be part of a collection: further embodiments facilitating the separation of thedisk 12 from the screw cap will be described in the following. - In addition, identification signs can be inserted on the upper and/or lower side of the
disk 12, i.e. respectively on the side contacting the element 14 (described below) and/or on that which can contact the wine contained in the bottle. - In these terms, the presence of the
disk 12 of precious metal can be a plus on the market, and could allow attracting potential customers among those who up to now have been skeptical of the use of the screw cap for closing fine wine bottles B. - In the example shown in
figure 2 theinsert 11a comprises twoother elements disk 12. Theelement 14 is preferably a gasket of natural material, such as cork, rubber or a not-precious metal (for example a stainless steel or aluminium thin layer), or synthetic material such as elastomers, tetrafluoroethylene, silicon, or a combination thereof. Theelement 14 has a radial extent greater than themetal foil 12 itself, and with its outer crown surrounds themetal foil 12 by adhering to themouth 13 of the bottle B. - The
element 15 is preferably elastic, to apply a thrust onto theunderlying elements mouth 13 of the bottle B. For example theelement 15 can be made of cork, or a polymeric material such as PET or PE. - When the screw cap 10a is mounted on the bottle, the
element 15 is slightly compressed, such that theelement 15 constantly applies a thrust onto the underlying elements in order to ensure a perfect adherence of thedisk 12 on themouth 13 of the bottle B. - In the example shown, the
elastic element 15 comprises a circular crown 15' protruding downwards and having the function of perimetrically deforming theelement 14 in order to make it adhere to themouth 13 of the bottle B, around thedisk 12, which in this way can not move anymore in radial direction and always remains centered and coaxial with respect to themouth 13 of the bottle B. -
Figure 3 shows asecond embodiment 10b of the cap according to the present invention. - The respective insert 11b comprises a
disk 12 of precious metal, anelastic element 15 and agasket 14, for example of rubber or a plastic material. Between thegasket 14 and thedisk 12 of precious metal anadditional element 16 made of a material selected among a metal, also not precious, preferably glass or ceramic, is interposed. Theelement 16 has the task of preventing theelastic element 15 from deforming at the axis X-X of the bottle B, for example it prevents theelastic element 15 from "bulging" or curving in the center, by relieving the load on thedisk 12 which has to always stay well adhering to themouth 13 of the bottle B instead. -
Figure 4 shows athird embodiment 10c of the screw cap. With respect to the solution shown infigure 2 , the bottle B has acircular convexity 17 on themouth 13 and thegasket 14 follows the profile thereof by adhering to ensure the tightness, under the thrust of theelastic element 15. -
Figure 5 shows a fourth embodiment 10d wherein with thenumeral reference 18 air is denoted, or a cork element or an activated carbon element or a layer of granular or powder substances (for example pepper grains) composing a bed that promotes the good aging of the wine contained in the bottle B: such a layer releases volatile substances in the air contained in the cap, which are released to the wine over time. In this embodiment thegasket 14 has an accordion portion 14' jutting towards thedisk 12, which allows the pressure on thedisk 12 to be properly applied. -
Figure 6 shows a fifth embodiment 10e similar to the preceding one but comprising, in addition, the stiffeningelement 16 made of glass, metal or ceramic. The portion 14' appears to be deformed, slightly flattened against theelement 16. - In the same embodiment 10f shown in
figure 7 thegasket 14 has a different, less flattened, profile with respect to what shown infigure 6 . - In practice the embodiments shown in
figures 5-7 differ for the insert shape. For example thegasket 14 can have a different profile among the three embodiments in order to obtain different pressure zones on themouth 13 of the bottle B. -
Figures 8-10 schematically show corresponding embodiments of thedisk 12 of precious metal. In particular in the version offigure 8 thedisk 12 is S-shaped (in cross section) in 12' such as to define a controlled deformation zone and a contact shoulder against thegasket 14, which prevents lateral movements (in radial direction) of thedisk 12 itself. In the version offigure 9 thedisk 12 is U-shaped (in cross section) in 12" such as to define a controlled deformation zone and a contact shoulder against thegasket 14. In the embodiment offigure 10 thedisk 12 is L-shaped (in cross section) in 12"' such as to define a controlled deformation zone and a contact shoulder against thegasket 14. - In
figure 11 another embodiment 10g of the cap according to the present invention is shown, which is characterized in that thegasket 14 is of annular type: a section can be seen in figure. In particular thegasket 14, seen in vertical section, has aradial pin 20 which rests against thedisk 12. Thepin 20 radially extends inwards and cantilevered from the remaining part of thegasket 14; a zig-zag, or W-shapedportion 21 is interposed between thepin 20 and the remaining part of thegasket 14 in order to allow the pin to flex and adapt to the definitive shape taken with the cap 10g completely screwed on the bottle B. - By the
numeral reference 19 micro-holes pierced through thedisk 12 of precious metal are denoted. Clearly the hole size is purposely out of scale in the drawing, in order to make the comprehension easier. The micro-holes 19 are drilled for example by the laser piercing technique and allow a minimum, but important, air exchange with the part overlying thedisk 12. By taking care to trap an adequate amount of air inside thecapsule 2, for example by using anelement 15 of porous cork or leaving a volume filled with air, theholes 19 allow an air passage towards the wine contained in the bottle for a volume corresponding to a few mm3/year. It is an air volume compatible with the good aging of the bottled wine. - In the embodiment shown in
figure 12 thecapsule 2 and thegasket 14, which extends above thedisk 12, are also pierced. Thenumeral reference 27 denotes the micro-holes drilled through thecapsule 2 while, by the numeral reference 22, the micro-holes drilled through thegasket 14 are denoted. The object is to allow a minimum air supply towards the bottled wine. -
Figure 13 shows aninth embodiment 10i of the screw cap; this embodiment differs from the preceding ones in that to thedisk 12 is provided with a thickening 23 on the upper side, i.e. on the side opposite to the one contacting themouth 13 of the bottle B. Such thickening 23 extends circumferentially on thedisk 12 at the edge of thedisk 12 itself, thus taking the shape of a circular edge of thedisk 12. - The thickening 23 is obtained at a distance from the center of the
disk 12 such to be positioned above themouth 13 of the bottle B. - Its function is in fact to apply a thrust onto the
disk 12, in addition to the one applied by theelement 15, in order to ensure greater tightness. - Furthermore, the thickening 23 also has the aesthetic advantage of constituting a frame on the
disk 12, which is able to give greater emphasis to possible identification signs positioned on the upper side of thedisk 12. - In
figure 14 atenth embodiment 101 of the cap according to the present invention, wherein thedisk 12 comprises astalk 24 with a substantially cylindrical shape protruding from the lower side of thedisk 12, is shown. The function of thestalk 24 is to facilitate the separation of thegold disk 12 from thecap 101, for example, by means of a clamp. - In
figures 15 and 16 two additional embodiments of thedisk 12 are shown (the whole cap is not shown). In the embodiment shown infigure 15 , thedisk 12 is provided with threestalks 24', 24", 24'" on the lower side with the same shape as thestalk 24 described infigure 14 ;such stalks 24', 24", 24"', in addition to facilitate the separation of thedisk 12 from the screw cap, have the function of keeping thedisk 12 seated on themouth 13 of the bottle B, especially during the cap positioning and screwing. In fact, when thedisk 12 makes radial movements, thestalks 24', 24", 24'" come into abutment against the inner side of the neck N of the bottle B and prevent thedisk 12 from moving further to radial position and exiting from the seat which allows thedisk 12 to perform the previously described functions. - The embodiment shown in
figure 16 differs from the one shown infigure 15 for the horseshoe shape, or U shape, of thestalks 25', 25", 25'" of thedisk 12. Thesestalks 25', 25", 25'" have an eyelet delimited by thedisk 12 and by eachstalk 25', 25", 25'" itself. - Once the bottle B has been uncapped and the
disk 12 separated from the cap, a preferably gold thread can be inserted through this eyelet, such to connect several stalks for ornamental purpose, both belonging to thesame disk 12 and belonging to different disks, in order to add them to a collection. - The stalks described in
figures 14-16 can be made separately and subsequently weld to thedisk 12 or, in case of the stalks infigure 14 and 15 , directly connected to thedisk 12 already directly in the mould. - The
stalks 24, 24'-24'" and 25'-25'" place themselves on thedisk 12 in such a position to both ensure that thedisk 12 rests on themouth 13 of the bottle B and ensure that thestalks 24, 24'-24'" and 25'-25'" are able to intercept the neck N of the bottle B thus preventing thedisk 12 from exiting from its own seat; in practicesuch stalks 24, 24'-24'" and 25'-25'" are inscribed in such a circumference that a superposition of at least 1 mm with themouth 13 is ensured. -
Figures 17 and 18 show, respectively, twoembodiments respective inserts leaf 26 made of a ferromagnetic material, i.e. having high magnetic permeability; for example theleaf 26 can be made of iron, martensitic stainless steel, cobalt or a permanently magnetized material. Theleaf 26 is positioned above thedisk 12 and, since it is provided with ferromagnetic properties, can follow the movement of a magnet, preferably provided together with the bottle B. In order to separate thedisk 12 from the screw cap it is therefore required that the user moves the magnet closer to the front face of the cap where thedisk 12 is, and then he/she moves the magnet away in the opposite direction: in this way theleaf 26 follows the movement of the magnet away and brings thedisk 12, which is in a position interposed between the magnet and theleaf 26. - In the
embodiment 10m shown infigure 17 , theleaf 26 is positioned above thegasket 14 such that thegasket 14 is interposed between theleaf 26 and thedisk 12. Such an embodiment ensures that the content of the bottle B does not come into contact with the material theleaf 26 is made of, in case thedisk 12 moves radially on themouth 13 of the bottle B or incidentally shows a leak. - On the contrary, in the
embodiment 10n shown infigure 18 , theleaf 26 is directly above thedisk 12 and in contact with the same. Therefore in this case theleaf 26 is in a position interposed between thegasket 14 and thedisk 12. This arrangement allows an easier separation of thedisk 12 from the cap since there is no screw cap component between the disk and theleaf 26 which is able to prevent the separation thereof. - It has to be specified that also the screw cap according to the present invention can be provided with an element such as the
element 3"' shown infigure 1b .
Claims (15)
- A screw cap (10a-10n) for wine bottles (B), comprising:- an outer capsule (2) screwable on a bottle (B);- at least one insert (11a-11n) inserted in the outer capsule (2) and intended to be interposed between the mouth (13) of the bottle (B) and the outer capsule (2),wherein the insert (11a-11n) comprises at least one metal foil (12) intended to stay in contact directly with the mouth (13) of the bottle (B) and intercept it, and wherein the metal foil (12) is made of a precious metal inert at room temperature, or it is made of an alloy of precious metals inert at room temperature,
characterized in that the insert (11a-11n) comprises a gasket (14) positioned on the metal foil (12) and having a radial extent greater than the metal foil (12) itself, and wherein the outer crown of the gasket (14) surrounds the metal foil (12) while adhering to the mouth (13) of the bottle (B). - Screw cap (10a-10n) according to claim 1, wherein the metal foil (12) is made of a metal selected among gold, iridium, platinum, osmium, rhodium, palladium or an alloy of these metals.
- Screw cap (10a-10n) according to claim 1 or claim 2, wherein the metal foil (12) is a disk with thickness lower than 0.5 mm, preferably lower than 0.05 mm.
- Screw cap (10a-10n) according to claim 3, wherein the metal foil (12) is made of 24-carat gold and has a thickness between 0.01 mm and 0.05 mm.
- Screw cap (10a-10n) according to any one of preceding claims 1-4, wherein the metal foil (12) is the only element of the cap contacting, in use, the wine contained in the bottle (B).
- Screw cap (10a-10n) according to any one of preceding claims 1-5, wherein the metal foil (12) is subjected to deformation when the cap is screwed to the bottle (B) and the edges of the metal foil (12) adhere to the upper surface of the mouth (13) of the bottle (B).
- Screw cap (10a-10n) according to any one of preceding claims 1-6, wherein the metal foil (12) comprises a plurality of micro through-holes (19), or alternatively a zone with calibrated porosity, which allow, in use, the adduction of an air volume up to 500 mm3/year into the bottle (B).
- Screw cap (10a-10n) according to claim 7, comprising an inner volume wherein there is air, or a layer of porous material containing air, fluidically communicating with the micro-holes (19) of the metal foil (12).
- Screw cap (10a-10n) according to claim 8, comprising a layer of granular or porous materials (18) which release volatile components in the air inside the screw cap (10a-10n), fluidically communicating with the micro-holes (19) of the metal foil.
- Screw cap (10a-10n) according to any one of preceding claims 1-9, wherein the insert (11a-11n) comprises an elastic element (15) interposed between the gasket (14) and the outer capsule (2), wherein the elastic element is preloaded upon screwing the cap on the bottle (B) and continuously applies a thrust directly onto the gasket (14) and, indirectly, onto the metal foil (12).
- Screw cap (10a-10n) according to claim 10, wherein the metal foil (12) is provided with a thickening (23) extending, in use, perimetrically and above the mouth (13) of the bottle (B) and applying a thrust on the portion of the metal foil (12) contacting the mouth (13) of the bottle (B) in response to the thrust the elastic element (15) applies on the thickening (23).
- Screw cap (10a-10n) according to any one of preceding claims 1-11 wherein the gasket (14) has micro-holes, or a zone with calibrated porosity, at the metal foil (12).
- Screw cap (10a-10n) according to any one of preceding claims 1-9, wherein the metal foil (12) can be separated from the screw cap (10a-10n) in response to a force applied on the metal foil by the user.
- Screw cap (10a-10n) according to any one of preceding claims 1-13, wherein the insert (11a-11n) comprises a leaf (26) positioned above the metal foil (12) and made of ferromagnetic material and wherein said leaf (26) can be moved away from the screw cap (10a-10n) in response to the force applied on said leaf (26) by a magnet such that, when the magnet and the leaf (26) move away from the screw cap (10a-10n), also the metal foil (12) moves away from the screw cap (10a-10n), thus separating itself from the same.
- Wine bottle provided with screw cap according to any one of preceding claims 1-14, wherein the bottle has a volume smaller than 100 ml in order to be transportable in the hand baggage on airplanes.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102017000073534A IT201700073534A1 (en) | 2017-06-30 | 2017-06-30 | Screw cap for wine bottles |
PCT/IB2018/054798 WO2019003171A1 (en) | 2017-06-30 | 2018-06-28 | Screw cap for wine bottles |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3645410A1 EP3645410A1 (en) | 2020-05-06 |
EP3645410B1 true EP3645410B1 (en) | 2020-12-30 |
Family
ID=60183011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18747013.3A Active EP3645410B1 (en) | 2017-06-30 | 2018-06-28 | Screw cap for wine bottles |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200148426A1 (en) |
EP (1) | EP3645410B1 (en) |
CN (1) | CN110869287A (en) |
IT (1) | IT201700073534A1 (en) |
RU (1) | RU2753256C2 (en) |
WO (1) | WO2019003171A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3919408B1 (en) * | 2020-06-05 | 2024-03-13 | LANXESS Deutschland GmbH | Caps with safety function against overpressure |
US11368459B2 (en) | 2020-09-30 | 2022-06-21 | International Business Machines Corporation | Providing isolated containers for user request processing |
KR200497446Y1 (en) * | 2021-05-31 | 2023-12-01 | 주식회사 영광산업 | vessel cap which easy to recycling |
Family Cites Families (20)
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GB191505095A (en) * | 1915-04-01 | 1916-05-01 | Allen Aaron Canton | Improvements in or relating to Bottle-seals and the Method of Securing them. |
CH499436A (en) * | 1969-03-05 | 1970-11-30 | Somepla Sa | Sealing disc intended to line the bottom of a closure cap of a container |
US5673807A (en) * | 1995-01-12 | 1997-10-07 | Valyi; Emery I. | Cup and closure |
US6394264B2 (en) * | 1999-03-05 | 2002-05-28 | Firmenich Sa | Perfuming device for perfuming the headspace of a container |
DE10060418B4 (en) * | 2000-12-07 | 2004-05-06 | Alexander Freimuth | Plastic closure for beverage bottles |
GB2374068B (en) * | 2001-02-15 | 2004-08-25 | Portola Packaging Ltd | Closures and containers in combination therewith |
RU30724U1 (en) * | 2003-04-24 | 2003-07-10 | Боксян Эдуард Карлович | Bottle Cork |
FR2871446B1 (en) * | 2004-06-11 | 2007-06-22 | Pechiney Capsules Soc Par Acti | JOINTS FOR SEALING IN MULTILAYER MATERIAL FOR MEANS OF CLOGGING, TYPICALLY FOR A CAPSULE OF CLOSURE |
ITPD20060101A1 (en) * | 2006-03-21 | 2007-09-22 | Cappello Srl | INSERT FOR CROWN OR SCREW CAPS FOR BOTTLE CLOSING |
DE202007002075U1 (en) * | 2007-02-13 | 2007-04-19 | Maier, Dietrich, Prof. Dr. | Closure for drinks bottle is made of a metal with a positive electrochemical potential compared to oxygen and which is chemically unaffected by the bottle filling |
US20090266818A1 (en) * | 2008-04-23 | 2009-10-29 | Tomapure Inc. | Package for perishable goods |
SG192506A1 (en) * | 2008-07-16 | 2013-08-30 | Created By Brainwave Pty Ltd | Protector member for liquid in a container |
WO2010101875A2 (en) * | 2009-03-04 | 2010-09-10 | Pakurderm Holdings Llc | System, method and apparatus for travel accessory |
KR20110005770U (en) * | 2009-12-04 | 2011-06-10 | 한춘자 | Vessel Cap having a gold foil |
US20110163108A1 (en) * | 2010-01-07 | 2011-07-07 | Stiefel Laboratories, Inc. | Container venting disc |
CN103889612A (en) * | 2011-10-11 | 2014-06-25 | 达特怀勒医药包装比利时公司 | Method for producing a crimp cap, crimp cap and container |
WO2014066810A1 (en) * | 2012-10-26 | 2014-05-01 | Berry Plastics Corporation | Closure for container |
CN103072763B (en) * | 2013-02-01 | 2015-02-04 | 王建排 | High-level collection wine bottle and hermetic packaging method thereof |
GB201312986D0 (en) * | 2013-07-19 | 2013-09-04 | Grant William & Sons Ltd | Closure device, apparatus and method |
US10549889B2 (en) * | 2015-08-17 | 2020-02-04 | Csp Technologies, Inc. | Container orifice reducer with tamper evident seal |
-
2017
- 2017-06-30 IT IT102017000073534A patent/IT201700073534A1/en unknown
-
2018
- 2018-06-28 WO PCT/IB2018/054798 patent/WO2019003171A1/en active Application Filing
- 2018-06-28 CN CN201880043008.2A patent/CN110869287A/en active Pending
- 2018-06-28 EP EP18747013.3A patent/EP3645410B1/en active Active
- 2018-06-28 RU RU2019139806A patent/RU2753256C2/en active
- 2018-06-28 US US16/624,056 patent/US20200148426A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
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RU2019139806A (en) | 2021-06-07 |
WO2019003171A1 (en) | 2019-01-03 |
CN110869287A (en) | 2020-03-06 |
RU2019139806A3 (en) | 2021-06-28 |
US20200148426A1 (en) | 2020-05-14 |
EP3645410A1 (en) | 2020-05-06 |
RU2753256C2 (en) | 2021-08-12 |
IT201700073534A1 (en) | 2018-12-30 |
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