EP3608252A1 - Container with a hermetic closure - Google Patents
Container with a hermetic closure Download PDFInfo
- Publication number
- EP3608252A1 EP3608252A1 EP19382699.7A EP19382699A EP3608252A1 EP 3608252 A1 EP3608252 A1 EP 3608252A1 EP 19382699 A EP19382699 A EP 19382699A EP 3608252 A1 EP3608252 A1 EP 3608252A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- region
- receptacle
- lid
- annular
- mouth
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 239000002184 metal Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 17
- 239000011521 glass Substances 0.000 description 12
- 238000003825 pressing Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 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
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
- B65D45/04—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface comprising U-shaped or bifurcated members coacting with containers these members remaining connected with the closure and with the container when the container is open, e.g. pivoted bails
- B65D45/06—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface comprising U-shaped or bifurcated members coacting with containers these members remaining connected with the closure and with the container when the container is open, e.g. pivoted bails associated with toggle levers, e.g. swing stopper arrangements
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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
- B65D43/00—Lids or covers for rigid or semi-rigid containers
- B65D43/02—Removable lids or covers
- B65D43/0202—Removable lids or covers without integral tamper element
- B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
-
- 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
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
- B65D45/04—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface comprising U-shaped or bifurcated members coacting with containers these members remaining connected with the closure and with the container when the container is open, e.g. pivoted bails
-
- 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
- B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
- B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
- B65D45/16—Clips, hooks, or clamps which are removable, or which remain connected either with the closure or with the container when the container is open, e.g. C-shaped
-
- 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
- B65D51/14—Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars
- B65D51/145—Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars by means of an additional element connected directly to the container
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00064—Shape of the outer periphery
- B65D2543/00074—Shape of the outer periphery curved
- B65D2543/00092—Shape of the outer periphery curved circular
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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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00296—Plastic
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00018—Overall construction of the lid
- B65D2543/00259—Materials used
- B65D2543/00305—Other
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
- B65D2543/00527—NO contact
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
- B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
- B65D2543/00546—NO contact
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00444—Contact between the container and the lid
- B65D2543/00564—Contact between the container and the lid indirect by means of a gasket or similar intermediate ring
-
- 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
- B65D2543/00—Lids or covers essentially for box-like containers
- B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
- B65D2543/00953—Sealing means
- B65D2543/00962—Sealing means inserted
- B65D2543/00972—Collars or rings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
Description
- The present invention relates to the field of containers with a hermetic closure, the containers being of the type including a receptacle, a lid, a sealing ring and a closure mechanism formed by a shaped metal wire.
- Containers provided with a lid held against the mouth of a receptacle by means of a closure mechanism formed by a shaped metal wire, with a sealing ring being sandwiched between the lid and the mouth of the receptacle to assure leak-tight closure, have been known for over a hundred years.
- Closure mechanisms can be found in many designs, with a well-known one being a mechanism similar, for example, to that described in document
GB143520A - However, this solution presses the central part of the lid in an area away from the perimeter where sealing takes place, so pressure is not exerted at the point where its effect may be the most beneficial to assure proper sealing, whereby an irregular or poor sealing may take place. To prevent this defect, it is often decided to apply a large amount pressure in that central part, thereby assuring that sufficient pressure exists on the entire perimeter to assure sealing which, however, requires that central part of the lid to have a significant thickness and a convex shape to enable withstanding that stress and therefore results in a very heavy lid that is therefore cumbersome, expensive to manufacture, and has a significant environmental impact. Furthermore, this solution prevents stacking the containers. Additionally, the convex lid with a supporting point in the center thereof means that the metal wire must also be curved to enable being superimposed on said lid, causing an increase in the length of said metal wire and making the supporting point of the wire with the lid to be arranged very far away from the pressure-applying lever mechanism. Both the length of the metal wire and the distance existing between the lever mechanism and the supporting point are two factors that negatively affect stresses said wire withstands. Since said metal wire is subjected not only to a pulling force but also to a bending force, the increase in the length thereof and the distance between its supports causes greater stresses therein, which means that metal wire thicknesses sized for withstanding said stresses must be used.
- With the length of the metal wire and the distance between supporting points thereof being increased by the use of a convex lid with a central support, it is required to use a stronger metal wire that is therefore more expensive to manufacture with respect to other solutions which allow reducing the total length of the wire and placing the supporting points of the wire on the lid closer to the lever mechanisms at the sides of the receptacle.
- There is also a solution in which the lid is surrounded by a metal ring which at one side thereof is articulated with respect to another metal ring fixed around the neck of the receptacle, which allows opening and closing the lid about said articulation. At an end diametrically opposite the articulation, both metal rings are attached to one another with a lever mechanism which allows closing the lid by applying pressure to pull the lid against the receptacle. This solution allows providing a flat lid, but pressure is applied in an asymmetrical manner only on one side of the lid, so the sealing is irregular and a large amount of pressure must be applied to assure proper sealing, a very thick and heavy lid being needed to withstand and distribute that pressure, said lid therefore being expensive to manufacture, cumbersome, and having a significant environmental impact.
- Other solutions are also known in which the wire is attached in an articulated manner on two opposite sides of the edge of the lid, as described in document
EP3205596A1 , for example, however this solution also requires a lid with a very thick edge to enable including that articulated attachment, which likewise results in a very heavy lid that is expensive to manufacture and has a high environmental impact. Furthermore, in this solution pressure is applied on the sides of the lid where the ends of the metal wire forming the closure mechanism are laterally inserted into holes parallel to the sealing ring, so when pressure is applied to perform closing, said ends of the wire will bend, pressing into the irregular-shaped hole, which would not occur if pressure was applied downwardly on the front side of the lid. In this document, this problem is solved by increasing the pressure required to assure that sufficient pressure is applied on the entire sealing ring, requiring a strong lid with a significant thickness. - Solutions in which the metal wire of the closure mechanism goes through the lid through a hole are also known, however this solution again requires a lid with a significant thickness, and therefore, a significant weight.
- There are also other solutions using multiple metal clamps or fasteners distributed around the lid, as the one described in document
DE3149558 , for example, with each fastener pressing the lid against the receptacle. - However, this solution does not allow a simultaneous closing and opening of the container as a whole, and the quality of the sealing will depend on the number and position in which said clamps or fasteners are placed. Furthermore, it cannot be assured that all the clamps or fasteners exert the same pressure on the lid, due to the fact that each fastener may have been used a different number of times or subjected to different stresses when being placed or removed, and therefore undergone different fatigue or deformation processes, or due in addition to the fact that the different clamps or fasteners correspond to different manufacturing batches. Therefore, the attainment of a uniform hermetic closure on the entire perimeter of the lid cannot be assured, which means that an overpressure must be exerted to assure that all the points of the perimeter of the lid are sufficiently closed.
- Furthermore, this solution easily leads to the loss of said clamps or fasteners or to one or more of the clamps or fasteners being released due to an accidental, inconsequential blow, with the hermetic sealing of the container being accidentally released.
- None of the known solutions provides a hermetic closure which assures pressure in the entire contact area between the lid and the mouth of the receptacle, assuring a sufficient hermetic sealing, and which can be opened or closed with a single action and at the same time allows using a lightweight lid.
- The present invention relates to a container with a hermetic closure including:
- a receptacle defining a mouth including a receptacle opening and an annular mouth surface surrounding said receptacle opening;
- a lid with a front side and a back side intended for being oriented towards the outside and the inside of the receptacle, respectively, said lid including an annular perimetral flange which, in a closed position, is superimposed on the annular mouth surface of the mouth of the receptacle;
- a sealing ring arranged and held between the annular mouth surface of the mouth of the receptacle and the annular perimetral flange of the lid;
- a closure mechanism movable between a closed position, in which the closure mechanism holds the lid against the mouth of the receptacle, and an open position, in which the closure mechanism releases the lid, allowing the opening thereof, the closure mechanism being formed by a shaped metal wire defining:
- ∘ a first region configured for being superimposed, when in the open position, on a part of the front side of the lid;
- ∘ a second region formed by two symmetrical portions arranged on diametrically opposite sides of the mouth of the receptacle, each connected to a different end of the first region and configured for being under elastic stress, when in the closed position, attracting the first region to the mouth of the receptacle;
- ∘ at least a third region configured for being coupled, when in the closed position, to a portion of the receptacle adjacent to its mouth and connected to the symmetrical portions of the second region.
- The receptacle and/or the lid can be made of glass or ceramic, although alternatively the use of plastic is also contemplated.
- The closure mechanism is therefore formed by a shaped metal wire defining three regions, a first region arranged above the closure lid, a second region which, in the closed position, is under elastic stress, moving the first region closer to the mouth, pressing the lid against said mouth, and a third region connected to the receptacle and serving as a supporting point with respect to the second region to produce that elastic stress.
- It is understood that the closure mechanism is a unitary mechanism, i.e., its parts are connected to one another such that movement between the closed and open positions occurs together in a simultaneous manner. Any closure mechanism formed by parts that can be released independently of one another is excluded from the definition.
- The second region of the metal wire of the current proposal is formed by two opposite portions with the same features, one on each side of the mouth of the receptacle, thereby producing elastic stress of the same force at the two ends of the first region of the wire, so the force applied by the first region on the lid is as uniform as possible.
- The present invention proposes, in a manner not known in the state of the art, for the lid to include at its front side at least two opposite supporting points in an area coinciding with or adjacent to the annular flange, and for the first region of the closure mechanism to be configured for being supported, in the closed position, on said at least two opposite supporting points.
- It will be understood that the supporting points at the front side of the lid will be vertically accessible supporting points perpendicular to the surface defined by the annular mouth surface.
- By pressing the closure mechanism on two opposite points of the front side of the lid, a more uniform pressure is exerted on said lid, which allows assuring an improved hermetic closure by applying less pressure. By reducing the pressure required to assure a hermetic closure, the opening and closing of the container is made easier, while at the same time allowing the size and thickness of the elements, particularly of the lid, to be reduced, thereby achieving a container that is much more lightweight, cost-effective, and ecological as less material is required for its manufacture.
- The first region of the closure mechanism may be formed defining a bend coinciding with said at least two supporting points in the closed position. In other words, the first region may not be straight but rather may include those bends that will be configured to coincide with the supporting points. This allows better controlling the point at which the first region applies pressure on the lid.
- In such a case, said at least two opposite supporting points may be pits defined on the front side of the lid in which the ends of said bends may be fitted.
- According to another alternative embodiment, said at least two opposite supporting points are located on an annular closure rib protruding from the front side of the lid. In other words, the lid includes a rib having a ring shape, a circular shape, or another shape on which there are located the supporting points which must be arranged on or adjacent to the annular flange, so said annular rib will also be located in those same areas.
- According to one embodiment, the annular closure rib has a smooth surface with a plurality of supporting points for receiving the first region of the closure mechanism.
- Alternatively, the annular closure rib will include notches at certain intervals, each notch corresponding to a supporting point for receiving the first region of the closure mechanism in said notches.
- According to a proposed embodiment, the annular perimetral flange has a thickness equal to or less than 5 mm. This thickness of the flange will practically be the only visible thickness of the lid when it is in the closed position, so a lightweight image of the lid will be obtained as a result of this feature.
- With the annular closure rib located on the flange, the force exerted on the annular closure rib is transmitted, compressing the annular flange, directly to the mouth of the receptacle, and therefore subjecting the lid to very little stress.
- This feature allows reducing the stresses that must be withstood by the lid, or at least the central areas of said lid, therefore allowing the use of a lid having a little thickness, and therefore being very lightweight and cost-effective.
- Preferably, the central portion of the lid, in the area which is devoid of annular centering rib, will have a thickness equal to or less than 5 mm.
- The lid may include at its back side an annular centering rib of a smaller diameter than the mouth of the receptacle, provided for being inserted into said mouth when the lid is in the closed position, thereby assuring a proper positioning of the lid with respect to the mouth of the receptacle.
- Preferably, the lid will be a pressing lid with the annular centering rib having an annular perimetral groove in which the sealing ring is fitted, thereby the sealing ring is attached to the lid even when it is separated from the receptacle.
- According to one embodiment, the annular closure rib has a smooth supporting surface for receiving the first region of the closure mechanism.
- Alternatively, it is proposed for the annular closure rib to have a supporting surface with notches at regular intervals for receiving the first region of the closure mechanism in said notches. In such a case, the annular closure rib will preferably have, between two contiguous notches, an inclined supporting surface defining a slope towards said notch for leading the first region of the closure mechanism to the closest notch.
- If the notches have a depth equal to or greater than the thickness of the metal wire, the closure mechanism in the closed position will not protrude from the protruding annular closure rib, which can allow stacking containers on top of one another.
- In relation to the closure mechanism, according to an embodiment of the invention it is proposed for the first region to be formed by a first wire and the two symmetrical portions forming the second region to be formed by a second metal wire independent from the first wire, each of the two opposite ends of the first wire being attached in an articulated manner to the second wire, and the second metal wire being attached to the receptacle by means of two symmetrical articulated attachments defined on opposite sides of the mouth by the third region of the closure mechanism. In other words, a first wire, integrating the first region, has its ends articulated with respect to a second wire which integrates the two symmetrical portions of the second region of the closure mechanism, said second wire being articulated with respect to the receptacle through the third region of the closure mechanism.
- Said third region of the closure mechanism can be defined by the two ends of the second metal wire inserted into respective housings, which can be housings defined in the wall of the receptacle or housings defined in a fixed collar around the receptacle in a position adjacent to its mouth.
- It is proposed for the segment of the second metal wire connecting the two symmetrical portions of the second region to form a lever arm which simultaneously actuates both symmetrical portions to arrange the closure mechanism in the open position or closed position.
- In other words, the movement of said lever arm will cause the rotation of the second wire around the articulation attached to the receptacle, causing the movement of the second region and also of the points of articulation between the first region and the second region, thereby applying pressure on the lid or releasing same.
- According to an alternative embodiment, the first region, the second region, and the third region will be formed with one and the same metal wire, the third region being complementary to an annular notch defined around the mouth of the receptacle. By anchoring said third region in the mentioned notch of the receptacle, the second region will be subjected to elastic stress and the first region will be superimposed on the annular closure rib of the lid, pressing it against the mouth of the receptacle.
- Preferably, the second region is shaped in the form of a spring to maximize the elastic stress produced by the second region.
- Preferably, the sealing ring is made of an injection molded material, preferably plastics or other materials of non-natural origin, or thermoplastic rubber, for example, and has a thickness equal to or less than 2.5 mm.
- Materials of natural origin other than plastics are conventionally employed for this use, but materials of this type cannot be injection molded but rather must be obtained by means of cutting processes which produce elastomeric rings with a considerable thickness, typically greater than 3 mm. Furthermore, natural materials of this type require a large amount of pressure to perform compression that is necessary for assuring proper sealing.
- The proposed elastomeric seal, however, can be molded without requiring other cutting operations, can have a smaller thickness, and can produce a better sealing using a smaller amount of compressive force.
- A preferred feature is that the diameter of the lid is greater than the distance separating the annular closure rib from the third region of the closure mechanism, with said closure mechanism and said lid being in the closed position. This means that the present invention is directed primarily at wide-mouth containers and not at narrow-mouth bottles.
- If the lid were to remain attached to the closure mechanism even in the open position, like in many known solutions, the dimensions of wide-mouth containers would not allow moving the lid away from the mouth enough so as to leave the mouth completely unobstructed. The proposed solution allows releasing the closure lid with respect to the closure mechanism, the closure lid being freed from said closure mechanism.
- It is also proposed for the container to include on the upper surface of its base at least one notch configured for coinciding, when said container is stacked on the lid of an identical lower container, with at least portions of the first region of the closure mechanism in the closed position of said identical lower container. This feature allows stacking the proposed containers. Said notch can be defined by recesses made on the thickness of the material forming the base of the receptacle, or by spaces comprised between ribs made on said base and formed with the same material as the receptacle.
- It is also contemplated that there may be arranged between the at least two supporting points of the lid additional supporting points, such as a central supporting point located in the center of the lid, or even a plurality of successive additional supporting points which, together, provide a continuous supporting surface between the two supporting points mentioned above.
- The proportions of the first, second, and third segments of the closure mechanism will be configured to allow the complete removal of the first segment of the vertical projection of the lid, thereby allowing the unimpeded removal thereof.
- Other features of the invention will become apparent in the following detailed description of an embodiment.
- The foregoing and other advantages and features will be better understood based on the following detailed description of an embodiment with reference to the attached drawings which must be interpreted in an illustrative and non-limiting manner, in which:
-
Fig. 1 is an exploded cross-sectional view of a container with a hermetic closure according to a first embodiment of the present invention; -
Fig. 2 is a cross-sectional view of the container ofFig. 1 in a closed position; -
Fig. 3 is a perspective view of the embodiment shown inFig. 2 ; -
Fig. 4 is a perspective view of a container with a hermetic closure according to a second embodiment of the present invention; -
Fig. 5 is a cross sectional view of a container with a hermetic closure according to an alternative embodiment with respect to that shown inFig. 2 ; -
Fig. 6 is a perspective view of the alternative embodiment shown inFig. 5 ; and -
Fig. 7 is a perspective view of of a container with a hermetic closure according to another alternative embodiment with respect to that shown inFig. 4 . - The attached drawings show illustrative non-limiting embodiments of the present invention.
-
Figs. 1 ,2 , and3 show a container with a hermetic closure comprising a receptacle10 which, in this example, is proposed to be aglass receptacle 10. Saidreceptacle 10 is provided with acylindrical mouth 11 to which there is coupled alid 20, also preferably made of glass, with a sealingring 30 interposed to assure a leak-tight sealing between themouth 11 and thelid 20. - The
mouth 11 includes areceptacle opening 13 and an annular mouth surface 14 surrounding saidreceptacle opening 13. - It will be understood that although the preferred embodiment is made of glass, both the
receptacle 10 and thelid 20 can be made of other materials, such as ceramic, for example, or the use of plastic is even optionally contemplated. - The
lid 20 is a flat lid formed by a flat circular glass about 5 mm thick, defining a front side oriented upwards and a back side oriented downwards and towards the inside of thereceptacle 10. The circular glass has an outer diameter equal to the outer diameter of themouth 11 of thereceptacle 10, such that a perimetral edge of the lid is level with an outer surface of thereceptacle 10 adjacent themouth 11 when superimposed thereon. - From the back side of the circular glass there projects downwardly an annular centering
rib 23 in the form of an annular protuberance concentric to the circular glass, formed by the same glass as the rest of thelid 20 and with an outer diameter smaller than the inner diameter of thecontainer opening 13 of themouth 11 of thereceptacle 10, such that said annular centeringrib 23 is inserted into themouth 11 of thereceptacle 10 when thelid 20 is in a closed position. - The part of the circular glass comprised between the annular centering
rib 23 and the outer perimetral edge of thelid 20 forms anannular flange 21 which, in the closed position, is superimposed on themouth 11, and the thickness of which is equal to or less than 5 mm. - The front side of the
lid 20 incorporates anannular closure rib 22 in the form of an annular protuberance concentric to the rest of thelid 20. Saidannular closure rib 22 is formed from the same glass forming the rest of thelid 20. - Preferably, said
annular closure rib 22 projects from the front side of thelid 20 in a position vertically coinciding with the position occupied by the annular centeringrib 23 located at the back side of thelid 20 and/or with theannular flange 21, i.e., theannular closure rib 22 is completely or partially superimposed on the annular centeringrib 23 and/or theannular flange 21. - To keep the sealing
ring 30 attached to thelid 20 even when the lid is separated from thereceptacle 10, it has been envisaged for the annular centeringrib 23 to incorporate an annular perimetral groove in which the sealingring 30 is partially fitted, thereby being fixed to thelid 20. - Obtaining the described
lid 20, incorporating said annular perimetral groove in the annular centeringrib 23, requires thelid 20 to be produced with glass pressed in a mold formed by more than two mold parts. - To keep the
lid 20 attached to thereceptacle 10, there is included aclosure mechanism 40 formed by a shaped metal wire which, in the closed position, is partially superimposed on thelid 20, pressing it at two diametrically opposite supportingpoints 25 of theannular closure rib 22 and against themouth 11 of thereceptacle 10, achieving a hermetic closure. - According to an embodiment shown in
Figs. 1 ,2 , and3 , theclosure mechanism 40 consists of a first shaped wire having an inverted U shape and a flat bottom and a second wire having a U shape and a rounded bottom includingsymmetrical portions - The ends of the second wire are inserted into respective notches arranged on opposite sides of the
outer receptacle 10, adjacent to themouth 11 providing an articulated attachment between the second wire and thereceptacle 10. The ends of the first wire are inserted into respectiveopposite portions receptacle 10, providing an articulated attachment between the first wire and the second wire. - In the present embodiment, said notches are defined in a metallic collar fixed around the
receptacle 10, but it is also contemplated for these notches to be notches formed in the actual glass wall of thereceptacle 10, as shown inFigs. 5 and6 . - The first wire is superimposed on the
annular closure rib 22 of thelid 20 in the closed position, and the second wire allows, according to its position, moving thesymmetrical portions annular closure rib 22 of thelid 20 being exerted against themouth 11 of thereceptacle 10, assuring hermetic closure thereof. - The first wire constitutes a
first region 41 intended for pressing thelid 20 against thereceptacle 10, theportions second region 42 intended for producing an elastic stress, attracting thefirst region 41 downwards, and the ends of the second wire articulated with respect to thereceptacle 10 form athird region 43 of theclosure mechanism 40 intended for connecting theclosure mechanism 40 to thereceptacle 10, and serving as a supporting point for subjecting the second region to elastic stress. - The portion of the second wire comprised between the
symmetrical portions symmetrical portions closure mechanism 40 in the closed or open position in which thelid 20 is released, allowing it to be removed from themouth 11 of thereceptacle 10. - According to another envisaged embodiment shown in
Fig. 4 , theclosure mechanism 40 consists of a single shaped wire having an inverted U shape and a flat bottom. - Said metal wire will have a
first region 41 in its central area, intended for being supported on theannular closure rib 22 of thelid 20, a second region defined in twoportions closure mechanism 40 is in the closed position, and a third region corresponding to the two ends of the wire, said third region being complementary to an annular groove arranged around themouth 11 of thereceptacle 10, provided for fitting said third region therein, and therefore serving as a supporting point so that the second region can provide elastic stress to the first region which transmits it to thelid 20 through two opposite points of theannular closure rib 22. - Said
annular closure rib 22 can be smooth, allowing thefirst region 41 of theclosure mechanism 40 to be supported in any position, or can includenotches 24 provided so that thefirst region 41 of the metal wire can be fitted therein in pre-established positions. - An alternative version of this same solution is shown in
Fig. 7 and proposes for the two ends of the single shaped metal wire forming theclosure mechanism 40 to be located on thelid 20, jointly constituting thefirst region 41. Each end of the single shaped metal wire is bent downwards in a sinuous shape and presses the lid at a supportingpoint 25. Said supportingpoints 25 can be located in pits or recesses, for example cylindrical pits, of thelid 20. - According to an alternative embodiment, for example, the one shown in
Figs. 5 and6 , the supportingpoints 25 of thelid 20 are rounded pits and thefirst region 41 of theclosure mechanism 40 includes bends the ends of which coincide with and are fitted to the supportingpoints 25. Ends of thethird region 43 of theclosure mechanism 40 are inserted into pits provided on the sides of the receptacle providing an articulated attachment. - It will be understood that the different parts forming the invention described in one embodiment can be freely combined with the parts described in other different embodiments even though said combination has not been explicitly described, provided that the combination does not entail any drawback.
Claims (15)
- A container with a hermetic closure, the container including:a receptacle (10) provided with a mouth (11) including a receptacle opening (13), and an annular mouth surface (14) surrounding said receptacle opening (13),;a lid (20) having a front side and a back side, the back side intended for being oriented towards the inside of the receptacle (10), said lid (20) including an annular perimetral flange (21) which, in a closed position, is superimposed on the annular mouth surface (11) of the receptacle (10);;a sealing ring (30) arranged and held between the annular mouth surface (11) of the receptacle (10) and the lid (20);a closure mechanism (40) unitarily movable between a closed position, in which the closure mechanism holds the lid (20) against the annular mouth surface (11) of the receptacle (10), and an open position, in which the closure mechanism releases the lid (20), allowing the opening thereof, the closure mechanism (40) being formed by a shaped metal wire defining:characterized in that:a first region (41) configured for being superimposed, when in the closed position, on the front side of the lid (20);a second region (42) formed by two symmetrical opposite portions (42a, 42b) arranged on opposite sides of the mouth (11) of the receptacle (10), each symmetrical opposite portion being connected to a different end of the first region (41) and configured for being under elastic stress when in the closed position, attracting the first region (41) to the mouth (11) of the receptacle (10);at least a third region (43) configured for being coupled, when in the closed position, to the receptacle (10) in a position adjacent to the mouth (11) of the receptacle and connected to the symmetrical opposite portions (42a, 42b) of the second region (42);the lid (20) includes at its front side at least two opposite supporting points (25) in an area coinciding with or adjacent to the annular flange (21), and in thatthe first region (41) of the closure mechanism (40) is configured for being supported, in the closed position, on said at least two opposite supporting points (25).
- The container according to claim 1, wherein the first region (41) of the closure mechanism (40) is shaped defining a bend coinciding with said at least two opposite supporting points (25) in the closed position.
- The container according to claim 2, wherein said at least two opposite supporting points (25) are pits defined on the front side of the lid (20).
- The container according to claim 1 or 2, wherein said at least two opposite supporting points (25) are located on an annular closure rib (22) protruding from the front side of the lid (20).
- The container according to claim 4, wherein the annular closure rib (22) has a smooth surface with a plurality of supporting points (25) for receiving the first region (41) of the closure mechanism (40).
- The container according to claim 4 or 5, wherein the annular closure rib (22) includes notches (24) at certain intervals, each notch corresponding to a supporting point (25) for receiving the first region (41) of the closure mechanism (40) in said notches (24).
- The container according to claim 6, wherein the annular closure rib (22) has, between two contiguous notches (24), an inclined supporting surface defining a slope towards said notch (24) for leading the first region (41) of the closure mechanism (40) to the closest notch (24).
- The container according to claim 6 or 7, wherein the notches (24) have a depth equal to or greater than the thickness of the metal wire.
- The container according to any one of the preceding claims, wherein the first region (41) is formed by a first metal wire and the two symmetrical opposite portions (42a, 42b) forming the second region (42) are formed by a second metal wire independent of the first metal wire, each of the two opposite ends of the first metal wire being attached in an articulated manner to the second metal wire, and the second metal wire being attached to the receptacle (10) by two opposite articulated attachments defined by the third region (43) of the closure mechanism (40) at opposite sides of the mouth (11).
- The container according to claim 9, wherein the third region (43) of the closure mechanism (40) is defined by two ends of the second metal wire inserted into respective housings of the receptacle.
- The container according to claim 10, wherein the housings are housings defined in a wall of the receptacle (10).
- The container according to claim 10, wherein the housings are housings defined in a fixed collar (44) around the receptacle (10) in a position adjacent to the mouth (11).
- The container according to any one of preceding claims 9 to 12, wherein a segment of the second metal wire connecting the two symmetrical opposite portions (42a, 42b) of the second region (42) forms a lever arm which simultaneously actuates both symmetrical opposite portions (42a, 42b) for arranging the closure mechanism (40) in the open position or closed position.
- The container according to any one of preceding claims 1 to 8, wherein the first region (41), the second region (42), and the third region (43) are formed with one and the same metal wire, the third region (43) being complementary to an annular notch defined around the mouth (11) of the receptacle (10).
- The container according to claim 14, wherein the second region (42) is shaped in the form of a spring loop.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201831260U ES1220183Y (en) | 2018-08-09 | 2018-08-09 | CONTAINER WITH HERMETIC CLOSURE |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3608252A1 true EP3608252A1 (en) | 2020-02-12 |
EP3608252B1 EP3608252B1 (en) | 2021-10-13 |
Family
ID=64024454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19382699.7A Active EP3608252B1 (en) | 2018-08-09 | 2019-08-08 | Container with a hermetic closure |
Country Status (2)
Country | Link |
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EP (1) | EP3608252B1 (en) |
ES (2) | ES1220183Y (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE148082C (en) * | ||||
US515010A (en) * | 1894-02-20 | Fastening for jars | ||
GB190910307A (en) * | 1909-04-30 | 1909-11-11 | Herbert Sefton-Jones | Improvements in and relating to Closures for Containers. |
GB143520A (en) | 1919-05-17 | 1920-11-25 | Schram Glass Mfg Company | Improved means for securing the lids or covers of fruit jars |
CH147750A (en) * | 1930-07-31 | 1931-06-30 | Eggenberger Hans | Stopper bottle cap on bottle. |
US3301427A (en) * | 1965-05-28 | 1967-01-31 | Roman Harold | Container and a lid therefor, and means for detachably securing said lid to said container |
DE3149558C1 (en) | 1981-12-15 | 1983-06-09 | J. Weck GmbH u. Co, 7867 Wehr | Closure arrangement for preserve jar |
FR2640235A1 (en) * | 1988-12-12 | 1990-06-15 | Verrerie & Cristallerie | Item of packaging, such as, in particular, a jar or other similar container, and closure and locking device designed for the said item of packaging |
EP3205596A1 (en) | 2016-02-10 | 2017-08-16 | Bormioli Luigi S.p.A. | Container for food with a sealing lid |
-
2018
- 2018-08-09 ES ES201831260U patent/ES1220183Y/en active Active
-
2019
- 2019-08-08 EP EP19382699.7A patent/EP3608252B1/en active Active
- 2019-08-08 ES ES19382699T patent/ES2906156T3/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE148082C (en) * | ||||
US515010A (en) * | 1894-02-20 | Fastening for jars | ||
GB190910307A (en) * | 1909-04-30 | 1909-11-11 | Herbert Sefton-Jones | Improvements in and relating to Closures for Containers. |
GB143520A (en) | 1919-05-17 | 1920-11-25 | Schram Glass Mfg Company | Improved means for securing the lids or covers of fruit jars |
CH147750A (en) * | 1930-07-31 | 1931-06-30 | Eggenberger Hans | Stopper bottle cap on bottle. |
US3301427A (en) * | 1965-05-28 | 1967-01-31 | Roman Harold | Container and a lid therefor, and means for detachably securing said lid to said container |
DE3149558C1 (en) | 1981-12-15 | 1983-06-09 | J. Weck GmbH u. Co, 7867 Wehr | Closure arrangement for preserve jar |
FR2640235A1 (en) * | 1988-12-12 | 1990-06-15 | Verrerie & Cristallerie | Item of packaging, such as, in particular, a jar or other similar container, and closure and locking device designed for the said item of packaging |
EP3205596A1 (en) | 2016-02-10 | 2017-08-16 | Bormioli Luigi S.p.A. | Container for food with a sealing lid |
Also Published As
Publication number | Publication date |
---|---|
ES1220183U (en) | 2018-11-08 |
ES1220183Y (en) | 2019-01-29 |
EP3608252B1 (en) | 2021-10-13 |
ES2906156T3 (en) | 2022-04-13 |
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