EP1744968A1 - Couvercle de fermeture sous vide pour recipients - Google Patents

Couvercle de fermeture sous vide pour recipients

Info

Publication number
EP1744968A1
EP1744968A1 EP05741356A EP05741356A EP1744968A1 EP 1744968 A1 EP1744968 A1 EP 1744968A1 EP 05741356 A EP05741356 A EP 05741356A EP 05741356 A EP05741356 A EP 05741356A EP 1744968 A1 EP1744968 A1 EP 1744968A1
Authority
EP
European Patent Office
Prior art keywords
closure
lid
container
edge
cover
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
Application number
EP05741356A
Other languages
German (de)
English (en)
Other versions
EP1744968B1 (fr
Inventor
Wulf Eberhard
Günter Haiser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Kuehne KG (gmbh & Co)
Pano-Verschluss GmbH
Original Assignee
Carl Kuehne KG (gmbh & Co)
Pano-Verschluss GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Carl Kuehne KG (gmbh & Co), Pano-Verschluss GmbH filed Critical Carl Kuehne KG (gmbh & Co)
Publication of EP1744968A1 publication Critical patent/EP1744968A1/fr
Application granted granted Critical
Publication of EP1744968B1 publication Critical patent/EP1744968B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B65D43/0225—Removable lids or covers without integral tamper element secured by rotation
    • B65D43/0231—Removable lids or covers without integral tamper element secured by rotation only on the outside, or a part turned to the outside, of the mouth of 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
    • B65D79/00—Kinds or details of packages, not otherwise provided for
    • B65D79/005—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting
    • B65D79/0087—Packages having deformable parts for indicating or neutralizing internal pressure-variations by other means than venting the deformable part being located in a closure, e.g. in caps or lids
    • 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
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas
    • B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
    • B65D51/1683—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element by actuating a separate element in the container or closure
    • 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
    • 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
    • B65D2543/00277—Metal
    • 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
    • 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
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00629—Massive bead
    • 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
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00731—Groove or hollow bead
    • 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
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality
    • 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
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00805—Segments
    • 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

Definitions

  • the invention relates to a closure lid made of sheet metal for attachment to an opening of a container, in particular a container containing food, the contents of which are to be kept under negative pressure until the lid is opened for the first time, with a closure part which spans the opening and seals against a peripheral edge of the opening, and an integrally connected to the closure part, surrounding the peripheral edge on its outside edge part, the closure part is provided with a ventilation opening closed by a film seal and the edge part is provided with an inwardly projecting circumferential or interrupted bead, which is attached after the lid is attached Container is pressed from the outside against its peripheral edge.
  • Sealing covers made of sheet metal are commercially available, in which the edge part is provided with a circumferential or interrupted bead which projects inwards.
  • These lids are used quite frequently to seal airtight glass containers filled with a foodstuff, such as mustard, mayonnaise or the like, in which the peripheral edge around the container opening is not sufficiently thick for attaching a screw thread and / or in which the container tightens the consumption of the container contents should be suitable for further use as drinking glass.
  • the contents of these containers are normally kept under a vacuum until they are opened for the first time, which allows control of the maintenance of the seal between the closure lid and the opening edge.
  • DE 297 11 363 U1 already proposed a closure cover of the type mentioned at the outset, which has a small ventilation opening in the middle, which is closed by a sealing film.
  • This sealing film can be removed before the container is opened for the first time in order to allow ambient air to enter the container through the ventilation opening. This eliminates the pressure in the container, whereupon the lid can usually be opened effortlessly.
  • the screw caps of such containers also have a closure part which bears against the circumferential edge of the container opening and an edge part which is connected to the closure part and surrounds the circumferential edge on its outside and which for engagement with protruding threaded ribs on the outside of the circumferential edge at its free lower front end with an inward protruding bead or flare is provided.
  • This beading or flanging is pressed against the threaded ribs on the outside of the peripheral edge when the lid is screwed on and, together with the negative pressure inside the container, ensures that it is securely closed.
  • the screw cap has to be unscrewed, which is especially difficult for older and weaker people.
  • it is already known, for example from DE 92 00 763 Ul, even with such screw caps, to provide a punched-out ventilation opening on the closure part, which is covered from the outside by means of a foil seal, whereby the negative pressure in the
  • Container can be relieved before removing the lid by pulling or piercing the foil seal.
  • the object of the invention is to improve a closure lid of the type mentioned in such a way that when the film seal is removed the consumer can clearly see whether the lid has still hermetically sealed the container up to this point.
  • this object is achieved in that the closure part is provided in the middle with a molded-in click bubble, which blows upward when the film seal is removed from the ventilation opening.
  • Click bubbles which are also referred to as flip or button, have long been converted into metallic ones Screw caps of canned glass with preserves, jam or similar glass containers used. These click bubbles are circular bulges that were formed in the middle of their closure parts under special stress conditions during the manufacture of the screw cap and that are pressed down into the interior of the container by the ambient pressure when the pressure difference between the ambient pressure and the negative pressure in the Containers exceeds a predetermined dimension.
  • the invention is based on the idea that when the film seal is pulled off, the consumer will focus his attention on the closure cover, so that he will snap up those provided in the center of the cover
  • a further preferred embodiment of the invention provides that the ventilation opening closed with the film seal is arranged in the radial direction of the cover between an outer edge of the click bladder and an elevated sealing edge of the closure part provided with a sealing material on the underside, preferably within an annular section of the Sealing cover which forms the groove base of a flat annular groove arranged between the outer edge of the click bladder and the sealing edge.
  • this groove base is essentially parallel to the planes which are spanned by the flat upper side of the raised sealing edge of the cover or by the lower edge of the edge part.
  • the click bubble will change from the ambient pressure to its own retracted position in which it is under tension.
  • the click bubble pops up, producing a clearly audible click sound.
  • a further advantageous embodiment of the invention provides that the film seal no longer adheres to the lid after it has been removed.
  • a seal variant can also be used, which can be stuck back over the ventilation opening on the lid.
  • the film seal has a sealing part which is sealed on the top of the lid to the edge of the ventilation opening and a grip tab which is integrally connected to the sealing part and which projects on one side beyond the preferably essentially circular sealing part, its central axis expediently essentially is aligned perpendicular to a cover radius running through the ventilation opening.
  • the film seal can be peeled off in a direction that runs past the click bladder so that it is not covered by the fingers of the consumer engaged with the grip tab when the blister is peeled off.
  • the foil seal itself preferably consists of a gas-tight foil, such as an aluminum or composite foil, which is connected to the lid around the circular ventilation opening, on an area whose radius is a multiple of the radius of the ventilation opening.
  • a gas-tight foil such as an aluminum or composite foil
  • it is preferably coated on its underside facing the cover with a plastic-containing lacquer which melts with a corresponding plastic-containing lacquer applied to the outside of the cover when the film seal placed on the cover in the region of its sealing part briefly heated to a temperature exceeding the melting temperature of the lacquer and pressed against the lid.
  • the sealing film or the outside of the cover can be coated with the lacquer either over the entire surface or only partially in the areas to be sealed, although in the former case only the sealing part may be heated and pressed against the cover.
  • a hot glue can also be used.
  • the diameter of the ventilation opening, the amount of lacquer or hot glue applied to the underside of the film seal, its viscosity in the heated state and the contact pressure are preferably matched to one another in such a way that a small amount of lacquer flows into the opening during pressing in order to create a space inside the eccentric ventilation opening to achieve so-called cut edge sealing, but this amount remains so small that the opening is prevented by the lacquer or hot glue.
  • the grip tab can be provided with an embossing, which causes its rear edge facing away from the sealing part to protrude slightly above the lid surface.
  • the closure part of the lid can also be provided with a small impressed bulge in the vicinity of the ventilation opening for the same purpose.
  • Fig. 2 is a sectional view through the entire cover along the line A-A of Fig. 1;
  • Fig. 3 is a sectional view through part of the
  • FIG. 5 a view corresponding to FIG. 4, but with the closure cover partially open;
  • FIG. 6 shows a partially sectioned side view of a modified closure cover
  • FIG. 8 shows a partially sectioned side view of a further modified closure cover
  • FIG. 9 shows a sectional view through a closure cover according to the invention designed as a screw cover
  • Fig. 10 a partially broken sectional view through a container closed with the screw cap.
  • a Mai nna ⁇ ce ⁇ l ac / TT ⁇ mn-on 1 to 8) or a preserving jar essentially consist of a cover body 6 made in one piece from aluminum sheet with a locking mirror 8 and an edge part 10 projecting over the locking mirror 8 on one side, one adjacent to a transition 12 between the locking mirror 8 and the edge part 10 on the underside of a raised sealing edge 14 of the closure mirror 8, ring-shaped sealing material 16, and a film seal 18 attached to the top of the closure mirror 8, which seals a ventilation opening 20 passing through the closure mirror 8.
  • the closure mirror 8 has in its center a so-called click bubble 22, which consists of three successive concentric sections 24, 26, 28 of the closure mirror 8, a circular inner section 24, an annular middle section 26 and an annular outer section 28. Of these sections 24, 26, 28, when the cover 2 is not loaded, the inner section 24 is essentially aligned with one of the flat upper side of the
  • Sealing edge 14 spanned plane E, while the middle of the two sections 26 is inclined at a flat angle of inclination away from this plane E towards the outer section 28, which in turn is inclined at a somewhat larger angle of inclination away from plane E to the base 32 of a flat annular groove 30 which is concentric with the three sections 24, 26, 28, its inner flank being formed by the two sections 26, 28.
  • the annular groove 30 extends radially outward to the sealing edge 14, its groove base 32 when the cover is not loaded
  • FIG. 2 (FIGS. 2 and 9) is approximately parallel to the plane E of the top of the sealing edge 14.
  • the closure cover 2 has been attached to a previously filled container 4 such that the closure mirror 8 spans the flat mouth opening 34 of the container 4 and the sealing material 16 on the underside of the sealing edge 14 around the container opening 34 rests on its thickened peripheral edge 36, and when the pressure in the container 4 drops as a result of condensation of steam in a cavity 38 below the lid 2 until the pressure difference from the ambient pressure is approximately 0.8 bar, the click bubble becomes 22 pressed from the ambient pressure towards the inside of the container into a retracted position, as shown in FIGS. 4 and 10. In this position, the circular inner section 24 is essentially aligned with the container opening 34, while the two annular sections 26, 28 are each inclined towards one another at a slight angle of inclination in the direction of the plane E.
  • the groove base 32 of the annular groove 30 is then also inclined toward the center of the cover at a slight angle of inclination away from the plane E.
  • the click bladder 22 is pretensioned in this state, which has the consequence that when the cover 2 is opened for the first time it pops up, producing a clearly audible click sound.
  • the pressure in the container 4 can increase not only when the cover 2 is opened for the first time, but also as a result of a leak when small amounts of ambient air enter between the sealing edge 14 of the cover 2 and the peripheral edge 36 of the container 4, the click bladder 22 in their retracted position is a visible sign of the integrity of the seal of the container 4.
  • the ventilation opening 20 closed with the film seal 18 has a diameter in the millimeter range and is arranged eccentrically with respect to the click bladder 22 approximately centrally in the base 32 of the annular groove 30, that is to say approximately in the middle between an outer edge 40 of the click bladder 22 and one Sealing edge 14 towards the groove flank 42, so that the film seal 18 is essentially completely within the annular groove 30, but the click bubble 22 does not overlap.
  • the foil seal 18 made of aluminum foil essentially consists of a seal part 44.
  • Rlpr et a circular is formed, covers the edge of the ventilation opening 20 on all sides and is fastened over the entire surface to the top of the closure mirror 8, and a square or rectangular grip tab 46 which is connected in one piece to the sealing part 44 and projects beyond it on one side.
  • the central axis 50 of the foil seal 18 running through the sealing part 44 and the grip tab 46 is im Aligned essentially perpendicular to a radius R through the ventilation opening 20.
  • the foil seal 18 For gas and liquid-tight fastening of the foil seal 18, this is coated on its underside facing the cover 2 with a lacquer (not shown), the finely dispersed plastic, e.g. Polypropylene. The outside of the lid body 6 is coated with the same paint. In this way, the two layers of lacquer can be fused together before the lid 2 is attached to the container 4 if the film seal 18 positioned with the sealing part 44 above the ventilation opening 20 in the area of the sealing part 44 over a period of 200 to 300 ms to a temperature heated from 200 to 250 ° C and pressed against the lid 2.
  • a lacquer the finely dispersed plastic, e.g. Polypropylene.
  • the outside of the lid body 6 is coated with the same paint. In this way, the two layers of lacquer can be fused together before the lid 2 is attached to the container 4 if the film seal 18 positioned with the sealing part 44 above the ventilation opening 20 in the area of the sealing part 44 over a period of 200 to
  • This type of sealing is suitable for hot and cold filling of the container contents, with or without thermal aftertreatment, pasteurization up to 100 ° C and / or sterilization up to 125 ° C.
  • the film seal 18 could also be fastened in another way, for example by means of an adhesive, preferably a hot glue.
  • cut edge sealing can be formed by the lacquer or hot glue used to fasten the film seal 18, by the contact pressure when applying the film seal 18 a small amount of the heated lacquer or adhesive between the underside of the film seal 18 and the top of the Lid 2 is squeezed out in the direction of the opening 20, the viscosity of which is sufficient to form a protective closed coating on the cutting edge.
  • the grip tab 46 In order to make it easier to grip the grip tab 46, it has an indentation 52 which projects beyond its underside and keeps the free rear end 54 of the grip tab 46 at a distance from the groove base 32 (FIG. 3).
  • the film seal 18 is first removed before the lid 2 is lifted off the container 4 (FIG. 5) or unscrewed.
  • the grip tab 46 is gripped with two fingers and pulled off in the direction of the arrow P in FIG. 1 until ambient air enters the cavity 38 in the container 4 and the negative pressure in the interior of the container is eliminated.
  • the click bladder 22 located in the middle of the consumer's field of vision soars upward that it is clearly audible and audible with a clear click, so that the maintenance of the tightness of the closure up to this point in time is clearly recognizable both acoustically and visually for the consumer.
  • cover 2 closes a container 4 that can be used, for example, as drinking glass, with a thickened upper opening edge 36, it is placed on the container 4 from one towards the inside via the edge part 10 protruding bead or embossment 56 is held, which engages behind the thickened edge 36 and is pressed from the outside against its underside, as best shown in Fig. 4.
  • the bead 56 can be designed there as a continuous peripheral bead running around the edge part 10, as in FIGS.
  • this end is rolled up either inwards or outwards, as shown for example in FIGS. 2 and 4 or 6 and 7 at 58.
  • cover 2 is designed as a screw cover and engages with a plurality of threaded ribs 60, which protrude beyond the outer peripheral surface of the opening edge 36 of the container 2 and are inclined at a flat angle to the plane E, it is provided in a known manner at the free lower end of its edge part 10 with a circumferential flange 62 which projects radially inwards.
  • the flange 62 is also provided in a known manner in its upper side with a number of beads or embossments 64 arranged at an angular distance from one another, corresponding to the number of threaded ribs 60 of the container 2, as a result of which the flange 62 on these Make a little flatter and protrude further inside.
  • these beads 64 each pass between two adjacent threaded ribs 60 and, when the cover 2 is subsequently screwed on, are pressed from the outside against the underside of a threaded rib 60 located above it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

La présente invention concerne un couvercle de fermeture en tôle (2) conçu pour être appliqué sur une ouverture d'un récipient (4) dont le contenu doit rester sous vide jusqu'à la première ouverture du couvercle (2). Ce couvercle de fermeture (2) comprend une partie de fermeture (8) qui vient en contact hermétique contre le bord périphérique (36) de l'ouverture et qui présente une ouverture d'aération (20) fermée par un film d'étanchéité (18) et une partie de bord (10) entourant le bord périphérique (36) sur sa face externe. Cette partie de bord présente un cordon (56, 64) qui fait saillie vers l'intérieur et qui est continu ou interrompu. Une fois le couvercle (2) appliqué, ledit cordon est comprimé depuis l'extérieur contre le bord périphérique (36). L'objectif de la présente invention est de permettre à un utilisateur d'identifier facilement si le couvercle (2) du récipient (4) était encore fermé de manière étanche à l'air jusqu'au moment où il retire le film d'étanchéité (18). A cette fin, une protubérance émettant un clic (22) qui est formée au milieu de la partie de fermeture (8) du couvercle (2) monte brusquement lorsque le film d'étanchéité (18) est retiré de l'ouverture d'aération (20).
EP05741356.9A 2004-05-04 2005-05-03 Couvercle de fermeture sous vide pour recipients Not-in-force EP1744968B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004007079U DE202004007079U1 (de) 2004-05-04 2004-05-04 Vakuumverschlussdeckel für Behälter
PCT/EP2005/004778 WO2005108233A1 (fr) 2004-05-04 2005-05-03 Couvercle de fermeture sous vide pour recipients

Publications (2)

Publication Number Publication Date
EP1744968A1 true EP1744968A1 (fr) 2007-01-24
EP1744968B1 EP1744968B1 (fr) 2013-08-07

Family

ID=32695490

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05741356.9A Not-in-force EP1744968B1 (fr) 2004-05-04 2005-05-03 Couvercle de fermeture sous vide pour recipients

Country Status (3)

Country Link
EP (1) EP1744968B1 (fr)
DE (2) DE202004007079U1 (fr)
WO (1) WO2005108233A1 (fr)

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IT202100012353A1 (it) * 2021-05-13 2022-11-13 Ipac S P A Coperchio per vasi da conserve

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US9205959B2 (en) * 2007-02-28 2015-12-08 J.L. Clark, Inc. Lid for tobacco can
DE102008007301A1 (de) * 2008-02-02 2009-08-06 Pano-Verschluss Gmbh Verschlussdeckel mit Belüftungsöffnung
US7798319B1 (en) 2008-03-11 2010-09-21 U.S. Smokeless Tobacco Company Container device for tobacco articles
FR2948923B1 (fr) * 2009-08-10 2011-07-15 Philippe Moreira Ouverture facile pour contenant creux
FR2953204B1 (fr) * 2009-12-02 2012-01-20 Safet Embamet Sas Emballage metallique a couvercle perfectionne
US8910781B2 (en) 2013-01-11 2014-12-16 R.J. Reynolds Tobacco Company Container for smokeless tobacco products and related packaged product assembly and method
US9445631B1 (en) 2015-03-20 2016-09-20 R. J. Reynolds Tobacco Company Container for smokeless tobacco products and related packaged product assembly and method

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US3369689A (en) * 1964-09-11 1968-02-20 American Can Co Easy-open container closure
US4051973A (en) * 1975-04-28 1977-10-04 Botkin Albert L Canning closure and method
DE2800842A1 (de) * 1978-01-10 1979-07-12 Aluminium Walzwerke Singen Hitzekonservierbares vorratsgefaess sowie verfahren und vorrichtung zum pruefen von dessen dichtigkeit
DE29711363U1 (de) * 1997-06-30 1997-09-11 Kindel Gmbh & Co Blechdruckere Kappenförmiger Deckel zum Verschließen eines Behälters
US5955127A (en) * 1998-01-06 1999-09-21 Glaser; Lawrence F. Closure for vacuum-sealed containers with resealable pressure release
DE19827921C2 (de) * 1998-06-23 2003-04-10 Bahlsen Gmbh & Co Kg Deckel für ein Behältnis
DE20104267U1 (de) * 2001-03-13 2001-06-13 Sig Cantec Gmbh & Co Kg Metalldeckel zum Verschließen von Bechern und anderen Verpackungen für Nahrungsmittelkonserven unter Vakuum

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Publication number Priority date Publication date Assignee Title
IT202100012353A1 (it) * 2021-05-13 2022-11-13 Ipac S P A Coperchio per vasi da conserve

Also Published As

Publication number Publication date
DE202004007079U1 (de) 2004-07-08
DE112005000958A5 (de) 2007-05-24
WO2005108233A1 (fr) 2005-11-17
EP1744968B1 (fr) 2013-08-07

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