EP1744968B1 - Couvercle de fermeture sous vide pour recipients - Google Patents

Couvercle de fermeture sous vide pour recipients Download PDF

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Publication number
EP1744968B1
EP1744968B1 EP05741356.9A EP05741356A EP1744968B1 EP 1744968 B1 EP1744968 B1 EP 1744968B1 EP 05741356 A EP05741356 A EP 05741356A EP 1744968 B1 EP1744968 B1 EP 1744968B1
Authority
EP
European Patent Office
Prior art keywords
lid
closure
container
seal
opening
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.)
Not-in-force
Application number
EP05741356.9A
Other languages
German (de)
English (en)
Other versions
EP1744968A1 (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

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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 food-containing container whose contents should be kept until the first opening of the lid under a negative pressure, as indicated in the preamble of claim 1.
  • the screw caps of such containers also have a closure member abutting against the peripheral edge of the container opening and a peripheral portion surrounding the peripheral edge on the outer periphery thereof for engaging with projecting thread ribs on the outside of the peripheral edge at its free lower end end with an inward one protruding bead or beading is provided.
  • This bead or crimp is pressed when tightening the lid against the thread ribs on the outside of the peripheral edge and, together with the negative pressure inside the container for a secure closure of the same.
  • To open the screw cap must be turned off, but this is often quite difficult especially older and weaker people.
  • closure lid for food containers is known in which this problem has been solved.
  • the closure part of the lid is provided there in the middle with a molded-in bubble and between an outer peripheral edge of the click bubble and a circumferential sealing edge with a closed by a foil seal ventilation opening.
  • the foil seal has a sealing part connected to the cover around the ventilation opening and a gripping tab connected in one piece to the sealing part and projecting over the sealing part on one side.
  • the object of the invention is to improve a closure lid of the aforementioned type such that the gripping tab of the foil seal can be gripped more easily and that when the foil seal is removed, the click bubble is not concealed by the user's hand, so that the snap-up of the click bubble visually visible and acoustically better audible.
  • Click bubbles which are also referred to as a flip or button, have long been used on a large scale on metallic screw caps of glass jars with preserves, jam or the like glass containers. These click bubbles are circular cambers, the have been formed in the center of their closure parts in the manufacture of the screw under special stress conditions and are pressed from the ambient pressure down into the container interior when the pressure difference between the ambient pressure and the negative pressure in the containers exceeds a predetermined level.
  • the invention is based on the idea that the consumer will focus on the closure lid when removing the foil seal, so that he can easily perceive the rocketing of the click bubble provided in the center of the lid both visually and acoustically. This is achieved to a particularly high degree if the ventilation opening is arranged according to the invention with the film seal, so that the process of the snap-up of the click bubble is neither obscured nor obstructed by the consumer's finger acting on the film seal.
  • the arrangement according to the invention also has the advantage that the click sound generated when the click bubble flashes, unlike a foil seal which completely or partially overlaps the click bubble, does not experience any damping by the seal.
  • the eccentric arrangement requires measures to ensure accurate positioning of the foil seal on the vent opening, for example, by introducing the vent opening into the closure lid after painting the closure lid and immediately prior to applying the foil seal such that there is a twist between these operations the closure lid is avoided.
  • This has the result that the closure lid is not coated with lacquer along the cut edges within the opening, although it has been found that this does not present any problems, particularly with aluminum caps, in most food products.
  • the invention provides that the sealed with the film seal ventilation opening is arranged in the radial direction of the lid between an outer edge of the click bubble and a raised, provided on the bottom with a sealing material sealing edge of the closure part, within an annular portion of the closure lid, the forms the groove bottom of a arranged between the outer edge of the click bubble and the sealing edge flat annular groove.
  • the sealed with the film seal ventilation opening is arranged in the radial direction of the lid between an outer edge of the click bubble and a raised, provided on the bottom with a sealing material sealing edge of the closure part, within an annular portion of the closure lid, the forms the groove bottom of a arranged between the outer edge of the click bubble and the sealing edge flat annular groove.
  • upwardly curved unloaded click bubble of this groove bottom is substantially parallel to the planes which are spanned by the flat top of the raised sealing edge of the lid or by the lower edge of the edge portion.
  • the click bubble will be in the environment pressure pressed retracted position in which it is under bias. If the vacuum is relieved the first time the lid is opened, Swings the click bubble upwards, producing a clearly audible click sound.
  • the film seal after its removal no longer adheres to the lid.
  • a seal variant can be used, which can be stuck again on the vent on the lid.
  • the film seal on the top of the lid is packaged in a container, packaged with the film seal, and integrally connected to the sealing part grip tab which protrudes on one side over the preferably substantially circular seal member, wherein its central axis is substantially perpendicular to a through the vent opening extending lid radius is aligned.
  • the foil seal can be peeled off in a direction that runs laterally past the click bubble, so that it is not covered by the fingers of the consumer engaging with the grip tab during removal.
  • 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 vent opening, on a surface whose radius is a multiple of the radius of the vent opening.
  • a gas-tight foil such as an aluminum or composite foil
  • the film seal In order to connect the film seal with the lid, it is preferably coated on its underside facing the lid with a plastic-containing paint, which melts with a corresponding, applied to the outside of the lid plastic-containing paint, when the applied to the lid film seal in the region of its sealed part briefly heated to a temperature exceeding the melting temperature of the paint and thereby pressed against the lid.
  • a plastic-containing paint which melts with a corresponding, applied to the outside of the lid plastic-containing paint, when the applied to the lid film seal in the region of its sealed part briefly heated to a temperature exceeding the melting temperature of the paint and thereby pressed against the lid.
  • the sealing film or the outside of the lid can be coated either over the entire surface or only partially in the areas to be sealed with the paint, but in the former case, only the sealing part may be heated and pressed against the lid.
  • a hot melt adhesive can also be used.
  • the diameter of the ventilation opening, the amount of applied to the underside of the film seal varnish or hot melt adhesive, its viscosity in the heated state and the contact pressure matched so that when pressed a small amount of paint flows into the opening to within the eccentric vent one To achieve so-called cut edge sealing, but this amount remains so small that a closing of the opening by the paint or hot melt adhesive is avoided.
  • the grip tab can be provided with an embossment which causes its rear edge facing away from the seal part to protrude somewhat above the cover surface.
  • the closure part of the lid in the vicinity of the ventilation opening can be provided with a small embossed high curvature.
  • the closure lid 2 shown in the drawing for a container 4, for example a mustard or mayonnaise jar ( characters 1 to 8 ) or a jar ( FIGS. 9 and 10 ) consist essentially of a lid body 6 produced in one piece from aluminum sheet with a closure mirror 8 and an edge part 10 protruding over the closure mirror 8 on one side, adjacent to a transition 12 between the closure mirror 8 and the edge part 10 on the underside of a raised sealing edge 14 of the Closing mirror 8 annularly molded sealing material 16, as well as a mounted on the top of the closure mirror 8 film seal 18, which closes the closure mirror 8 passing through ventilation opening 20.
  • the closure mirror 8 has at 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 central section 26 and an annular outer section 28.
  • the inner portion 24 is substantially aligned with a plane E spanned by the flat top of the sealing rim 14, while the middle of the two portions 26 are inclined away from the plane E towards the outer portion 28 at a shallow angle of inclination which in turn is inclined at a slightly greater angle of inclination away from the plane E to the bottom 32 of a flat annular groove 30 which is concentric with the three sections 24, 26, 28, with its inner flank formed by the two sections 26, 28 becomes.
  • the annular groove 30 extends radially outwardly to the sealing edge 14, wherein its groove bottom 32 at unloaded lid 2 (Fig. Fig. 2 and 9 ) is approximately parallel to the plane E of the top of the sealing edge 14.
  • the groove bottom 32 of the annular groove 30 is then inclined towards the center of the lid also at a slight angle of inclination away from the plane E.
  • the click bubble 22 is in this state under a bias, which has the consequence that it jumps up when first opening the lid 2, wherein a clearly audible click is generated.
  • the pressure in the container 4 may increase not only upon initial opening of the lid 2 but also as a result of leakage when small amounts of ambient air enter between the sealing edge 14 of the lid 2 and the peripheral edge 36 of the container 4, the click bladder 22 in its retracted position is a visible indication of the integrity of the seal of the container 4.
  • the sealed with the film seal 18 vent 20 has a diameter in the millimeter range and is eccentrically with respect to the click bubble 22 approximately centrally disposed on the bottom 32 of the annular groove 30, that is approximately in the middle between an outer edge 40 of the click bladder 22 and a to Sealing edge 14 towards rising groove flank 42, so that the film seal 18 is substantially completely within the annular groove 30, the click bladder 22, however, does not overlap.
  • the film seal 18 made of aluminum foil consists essentially of a Sieaelteil 44.
  • the approximately circular is formed, the edge of the ventilation opening 20 overlapped on all sides and the entire surface is fixed on the top of the closure mirror 8, and a square or rectangular grip tab 46 which is integrally connected to the sealing member 44 and one side over this.
  • the center axis 50 of the foil seal 18 passing through the seal part 44 and the grip tab 46 is in FIG Aligned substantially perpendicular to a radius R through the vent opening 20.
  • the film seal 18 For gas- and liquid-tight fastening of the film seal 18, this is coated on its underside facing the cover 2 with a lacquer (not shown), the finely dispersed plastic, e.g. Polypropylene, contains.
  • the outside of the lid body 6 is coated with the same paint. In this way, the two paint layers can be fused together before attaching the lid 2 on the container 4, when the sealed seal with the sealing member 44 over the ventilation opening 20 18 in the region of the sealing member 44 over a period of 200 to 300 ms to a temperature heated from 200 to 250 ° C and is pressed against the lid 2.
  • This type of sealing is suitable both for hot and cold filling of the container contents, with or without thermal aftertreatment, pasteurisation up to 100 ° C and / or sterilization up to 125 ° C.
  • the attachment of the film seal 18 could also be done in other ways, for example by means of an adhesive, preferably a hot melt adhesive.
  • an eccentrically arranged ventilation opening 20 is introduced after the coating of the lid 2 and immediately before the application of the film seal, to rotate therebetween Cover 2 to avoid, the cutting edge inside the vent opening 20 is not coated with paint.
  • a coating referred to as a cut edge seal
  • the foil seal 18 is first removed before the lid 2 is lifted off the container 4 ( Fig. 5 ) or is unscrewed.
  • the grip tab 46 is gripped with two fingers and in the direction of the arrow P in Fig. 1 withdrawn until ambient air enters through the opening 20 in the cavity 38 in the container 4 and the negative pressure in the container interior is eliminated.
  • the click bubble 22 in the middle of the consumer's field of vision jumps visibly and audibly upwards with a clear click sound, so that the maintenance of the tightness of the closure up to this time is clearly visible to the consumer both acoustically and visually. Subsequently, the lid 2 can be easily removed from the container 4.
  • the lid 2 as in the FIGS. 1 to 7 1, closes a container 4 which can be used, for example, as a drinking glass with a thickened upper opening edge 36, it becomes on the container 4 from an inwardly over the edge part 10 sticking protruding bead or indentation 56 which engages behind the thickened edge 36 and is pressed from the outside against its underside, as best in Fig. 4 shown.
  • the bead 56 may be formed there as a continuous, around the edge portion 10 circumferential bead surround, as in the Figures 2 . 5 and 7 represented, or in the form of several, for example, depending on the lid diameter five to seven at equal intervals around the circumference distributed individual beads 56, as shown in FIGS FIGS. 6 and 8 illustrated, the latter facilitates the lifting of the lid 2.
  • this end is either rolled in or out, such as in FIG Fig. 2 and 4 and 6 and 7 at 58, respectively.
  • the lid 2 is designed as a screw cap and with a plurality of over the outer peripheral surface of the opening edge 36 of the container 2 projecting, at a shallow angle to the plane E inclined thread ribs 60 engages, he is in a known manner at the free lower end face of its edge portion 10 with a provided radially inwardly protruding circumferential flange 62.
  • the flange 62 is also provided in its upper side in a known manner with a number of thread ribs 60 of the container 2 corresponding number of angularly spaced beads or indentations 64, whereby the flange 62 at this Make something flatter and continue to protrude inward.
  • these beads 64 each pass between two adjacent thread ribs 60 and are pressed during the subsequent tightening of the lid 2 from the outside against the underside of a thread above the thread 60.

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

Claims (12)

  1. Couvercle de fermeture (2) en tôle métallique destiné à être appliqué sur une ouverture d'un récipient (4), en particulier pour des aliments, dont le contenu doit être maintenu sous vide jusqu'à la première ouverture du couvercle (2), comprenant une partie de fermeture (8) s'étendant par-dessus l'ouverture (34) et réalisant l'étanchéité vis-à-vis d'un bord périphérique (36) de l'ouverture (34), ainsi qu'une partie de bord (10) connectée d'une seule pièce à la partie de fermeture (8), entourant le bord périphérique (36) au niveau de son côté extérieur, la partie de fermeture (8) étant pourvue au centre d'un scellé à bulle façonné (22) et, entre un bord périphérique externe du scellé à bulles (22) et un bord d'étanchéité périphérique (14), d'une ouverture d'aérage (20) fermée par un film de scellement (18), le scellé à bulles (22), lors du retrait du film de scellement (18), se soulevant de l'ouverture d'aérage (20), le film de scellement (18) présentant une partie de scellement (44) autour de l'ouverture d'aérage (20) connectée au couvercle (2) et une languette de préhension (46) connectée d'une seule pièce à la partie de scellement (44) et dépassant d'un côté au-delà de la partie de scellement (44), et la partie de bord (10) étant pourvue d'une moulure (56, 64) périphérique ou interrompue dépassant vers l'intérieur, qui, après l'application du couvercle (2) sur le récipient (4), est pressée depuis l'extérieur contre le bord périphérique (36), caractérisé en ce que l'ouverture d'aérage (20) et le film de scellement (18) sont disposés dans une portion annulaire de la partie de fermeture (8) qui forme la base de rainure (32) d'une rainure annulaire (30) entre le bord extérieur (40) du scellé à bulles (22) et le bord d'étanchéité (14), et en ce que l'axe médian (50) du film de scellement (18) s'étendant à travers la partie de scellement (44) et la languette de préhension (46) est orienté essentiellement perpendiculairement à un rayon du couvercle (R) à travers l'ouverture d'aérage (20).
  2. Couvercle de fermeture selon la revendication 1, caractérisé en ce que la base de rainure (32), lorsque le scellé à bulles (22) est bombé vers le haut, est essentiellement parallèle à un plan (E) du côté supérieur du bord d'étanchéité rehaussé (14).
  3. Couvercle de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que le film de scellement (18) n'adhère plus au couvercle (2) après son retrait.
  4. Couvercle de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que le film de scellement étanche aux gaz (18) se compose d'un film d'aluminium ou d'un film composite.
  5. Couvercle de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que la languette de préhension (46) et/ou la partie de fermeture (8) du couvercle (2) font saillie localement de telle sorte qu'un bord (54) de la languette de préhension (46) opposé à la partie de scellement (44) soit maintenu à distance du côté supérieur du couvercle (2).
  6. Couvercle de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que la partie de fermeture (8) est revêtue sur son côté supérieur au moins en partie d'un vernis plastique, en ce que la partie de scellement (44) du film de scellement (18) est revêtue sur son côté inférieur d'un vernis plastique, et en ce que les deux vernis sont fusionnés l'un à l'autre dans la région de la partie de scellement (44).
  7. Couvercle de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il se compose d'aluminium ou d'un alliage d'aluminium.
  8. Couvercle de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité libre de la partie de bord (10) est roulée vers l'intérieur ou vers l'extérieur.
  9. Couvercle de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que l'extrémité libre de la partie de bord (10) est rabattue vers l'intérieur et en ce que la moulure interrompue (64) dépasse vers l'intérieur au-delà de l'extrémité libre rabattue.
  10. Récipient, en particulier contenant un aliment, comprenant une ouverture limitée par un bord périphérique circonférentiel, caractérisé par un couvercle de fermeture (2) monté sur le bord périphérique (36) selon l'une quelconque des revendications précédentes, dont le scellé à bulles (22) est maintenu dans une position rentrée par une dépression à l'intérieur du récipient (4) et se bombe vers le haut lors du retrait du film de scellement (18) de l'ouverture d'aérage (20).
  11. Récipient selon la revendication 10, caractérisé en ce que le couvercle de fermeture (2) est réalisé sous forme de couvercle encliquetable, dans lequel la moulure (56) est pressée depuis l'extérieur contre le côté inférieur d'un bord périphérique (36) épaissi en forme de bourrelet de l'ouverture du récipient (2).
  12. Récipient selon la revendication 10, caractérisé en ce que le couvercle de fermeture (2) est réalisé sous forme de couvercle vissable, dans lequel la moulure (64) est pressée depuis l'extérieur contre le côté inférieur d'une nervure filetée (60) sur le côté extérieur du bord périphérique (36) de l'ouverture du récipient (2).
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 EP1744968A1 (fr) 2007-01-24
EP1744968B1 true EP1744968B1 (fr) 2013-08-07

Family

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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

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

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

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Publication number Priority date Publication date Assignee Title
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. Blechdruckerei, 42279 Wuppertal 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

Also Published As

Publication number Publication date
DE202004007079U1 (de) 2004-07-08
DE112005000958A5 (de) 2007-05-24
WO2005108233A1 (fr) 2005-11-17
EP1744968A1 (fr) 2007-01-24

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