EP0513265A1 - Container with snap-on lid. - Google Patents

Container with snap-on lid.

Info

Publication number
EP0513265A1
EP0513265A1 EP91919782A EP91919782A EP0513265A1 EP 0513265 A1 EP0513265 A1 EP 0513265A1 EP 91919782 A EP91919782 A EP 91919782A EP 91919782 A EP91919782 A EP 91919782A EP 0513265 A1 EP0513265 A1 EP 0513265A1
Authority
EP
European Patent Office
Prior art keywords
lid
engagement lip
engagement
fuselage
peripheral edge
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
EP91919782A
Other languages
German (de)
French (fr)
Other versions
EP0513265B1 (en
Inventor
Eckart Schormair
Bernard De Turckheim
Rolf Hornig
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.)
Mars GmbH
Original Assignee
Effem 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
Priority claimed from DE4038870A external-priority patent/DE4038870A1/en
Application filed by Effem GmbH filed Critical Effem GmbH
Publication of EP0513265A1 publication Critical patent/EP0513265A1/en
Application granted granted Critical
Publication of EP0513265B1 publication Critical patent/EP0513265B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/021—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the inside, or a part turned to the inside, 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
    • B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
    • B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
    • 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
    • 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
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • 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
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00638—Rolled edge
    • 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
    • B65D2543/0075—Rolled edge
    • 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
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00888—Means for facilitating removing of the closure by applying lever forces
    • B65D2543/00898—Means for facilitating removing of the closure by applying lever forces by means of a coin or other tool in recesses or similar on container or lid
    • 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 pressure lid can with an at least one-piece fuselage body and a lid body which, together with a fuselage element arranged at the end of the fuselage body at the closure side, forms a tight closure in which a lever gap between the fuselage body and the lid body remains free for the engagement of a lever which the cover body can be pried open, the cover body having a circumferential, resilient engagement lip which engages from inside with a biasing bead of the fuselage element adapted to the shape of the engagement lip (according to patent application P 40 29 146.4).
  • the known pressure lid can advantageously allows the lid body to snap into the locking bead of the fuselage element, so that the lid body is held under prestress in the locking bead plane by pressing the engagement lip with spring force into the locking bead.
  • the main advantage of such a closure is that such a pressure lid can be opened without special tools in a non-destructive and simple manner by causing a lever in the lever gap to pull the engagement lip radially inwards while the fuselage element follows is pressed on the outside, whereby the engagement lip in the area of the lever disengages from the sealing bead. By “that the closure engages with a high spring tension, a very good seal can be achieved.
  • a further important advantage consists in the resale of closing the pressure lid box, which opened a Mehrfachver ⁇ application, package, optionally in the form of a Mehrwegver ⁇ .
  • the invention is based on the object of developing the known pressure lid can with a hinged lid closure in such a way that, while maintaining all the advantages listed, in particular the manufacture of the body of the body is simplified and the filling and sealing of the can is optimized.
  • this object is achieved in that, instead of engaging in a separately produced closure bead, the engagement lip of the cover body resiliently engages under an inwardly rolled upper peripheral edge flange of the fuselage element.
  • Flare (if it is rolled inwards) can be used directly as a sealing element for the new pressure lid can according to P 40 29 146.4, without having to stamp a separate sealing bead.
  • the volume of the can body can be optimally used for filling in such a construction, since the engaging lip of the lid body snaps directly onto the upper peripheral edge of the body.
  • the sealing process of the can can also be further optimized, as is shown in more detail below.
  • an inwardly embossed fuselage bead is arranged below the peripheral edge flanging at a distance which essentially corresponds to the outside diameter of the engagement lip.
  • the diameter of the fuselage body is reduced below the circumferential edge flanging at a distance which essentially corresponds to the outer diameter of the engagement lip so that there is a step offset into the interior of the fuselage body.
  • This embodiment has the same effect as the previously described lower fuselage bead and is preferred if the fuselage body is a flatter container, for example in the form of a shell.
  • a sealing compound is provided below the peripheral edge flanging in the area in which the engagement lip resiliently engages under it.
  • the sealing compound makes the pressure cap can hermetic - -
  • the sealant is bactericidal, e.g. by adding ascorbic acid to prevent penetration of the sealant by bacteria.
  • the cover body consists of plastic.
  • ultra-fine sheet metal would consist of solid material instead of a curl, and the material thickness could be greater.
  • means for reducing an overpressure are preferably built into the can, which e.g. can consist of an integrated, semi-permeable pressure relief valve.
  • peripheral edge flanging is designed so that it tapers in cross-section by sloping its inner peripheral surface towards its upper end. The aim of this is to make it easier for the lid body to be pressed in when the fuselage body is closed for the first time or repeatedly, since the engagement lip can be pushed outward without great effort by sliding the engagement lip down on the bevel of the peripheral edge flange.
  • FIG. 1 shows a partial cross section through the closure area of a first embodiment of the pressure lid can according to the invention in the closed state
  • FIG. 2 shows a partial cross section through the closure region of a second exemplary embodiment of the pressure lid can according to the invention in the closed state
  • FIG. 3 shows a partial cross section through the closure region of the first exemplary embodiment of the pressure lid can according to the invention during the closure process
  • FIG. 4 is a view similar to that of FIG. 3, showing a later stage of the closure process
  • FIG. 5 shows a schematic cross-sectional view through a cover body according to the invention with a built-in pressure relief valve in the sealing state
  • Fig. 6 is an illustration as in Fig. 5, showing the corresponding pressure relief valve during the escape of expanding gas from the inside of the can.
  • the pressure cap can 1 consists of a cylindrical body 2, the upper end of which represents the body element 6.
  • the pressure lid can 1 is closed in this part with a lid body 4, the engagement lip 8 of which resiliently engages in the space between the inwardly rolled upper peripheral edge flange 10 of the fuselage element 6 and the inwardly embossed fuselage bead 18.
  • the distance between the fuselage corresponds to this - 6 -
  • the engagement lip 8 of a cover body 4 ' can also be supported at the bottom on a step 20 which arises from the fact that the diameter of the body body 2 is at a distance which is also essentially corresponds to the outer diameter of the engagement lip, reduced.
  • This embodiment is particularly preferred when such a can shape has already been specified, for example in the case of relatively flat shells.
  • a sealing compound 22 is provided in both cases between the engagement lip 8 and the space between the peripheral edge flange 10 and the body bead 18 or step 20, the lid body 4 or 4 "and body body 2 preferably being joined together while the sealing compound is still liquid Bactericidal treatment of the sealing compound, for example with ascorbic acid, can effectively prevent the penetration of the seal by bacteria.
  • the cover body 4 or 4 'can Regardless of whether a sealing compound 22 is used or not, the cover body 4 or 4 'can, however, be used again in any case in order to close the pressure cover box again.
  • This also opens up the possibility of using the inventive pressure lid can (as well as the pressure lid can according to main patent application P 40 29 146.4) several times, possibly in the form of reusable packaging.
  • 3 and 4 show the process of the first automated closing of the - 7th
  • the cover body 4 is first inserted under prestress into the closure head 30 of a closing device. In this state, the diameter of the cover is reduced to such an extent that the engagement lip 8 is arranged on the entire peripheral edge of the cover body in the position shown in FIG. 3 at a slight distance from the upper end 13 of the peripheral edge flange 10.
  • the closure head 30 moves deeper, the engagement lip and the chamfered inner peripheral surface 12 of the peripheral edge flange 10 collide with one another, in which case any excess filler material is squeezed out.
  • the medicines ⁇ is edge flange 10 about an axis which lies approximately in the region of the hull bead 18, • pressed over its entire circumference to the outside, first the engagement lip 8 itself and subsequently by the relevant annular extension 32 of the closure head 30 (see Fig. 4). If the engagement lip 8 is located at the level of the space between the peripheral edge flange 10 and the fuselage bead 18, into which the sealing compound 22 has preferably been introduced while still in a liquid state, the closure head 30 moves by actuating the ejector 34, which is located on the upper end 13 the peripheral edge flange 10 supports, again upwards, the cover body 4 now resiliently engages the peripheral edge flange 10 in the manner shown in FIG. 1 and together with the plasticizing sealing compound 22 forms a hermetic seal of the pressure lid box.
  • the dome space which is free of product, can be filled with steam by a lance at the moment of pressing in, with a corresponding lid shape.
  • the condensation of the steam leads to a negative pressure in the container, which pulls the lid onto the area of the fuselage element 6 covered with sealing compound 22.
  • a suitable pressure reduction can be built into the can during the sterilization in order to reduce an overpressure resulting from air or gas.
  • Such an integrated, semi-permeable pressure relief valve (a so-called coffee valve) and its mode of operation are shown in FIGS. 5 and 6.
  • the membrane 42 of the excess pressure valve 40 lies sealingly on the sealing surface 44 and thereby covers the openings 46 to the interior of the can (FIG. 5). If an overpressure arises in the can (for example during sterilization), the membrane 42 is lifted from the sealing surface 44 in the area of the openings 46, so that the expanding gas can flow out of the interior of the can through the openings 46 and 48 and thus the excess pressure created inside the can is reduced.

Abstract

A container (1) with a snap-on lid with an at least one-part body (2) and a lid (4) which, together with a body component at the closure end of the body, forms a sealed closure, in which there is a lever gap between the body and lid for the engagement of a lever via which the lid can be levered up, whereby the lid has a circumferential sprung engagement lip (8) which engages from inside under tension in a sealing groove in the body component matching the shape of the engagement lip (in accordance with patent application P 40 29 146.4), whereby the engagement lip of the lid engages elastically in an inwardly rolled upper circumferential edge in the body component instead of in separately made sealing groove.

Description

DruckdeckeldosePressure lid can
Die Erfindung betrifft eine Druckdeckeldose mit einem mindestens einteiligen Rumpf örper und einem Deckelkörper, der zusammen mit einem am verschlußseitigen Ende des Rumpf¬ körpers angeordneten Rumpfelement einen dichten Verschluß bildet, bei dem ein Hebelspalt zwischen Rumpfkörper und Deckelkörper für den Eingriff eines Hebels frei bleibt, über den der Deckelkörper aufgehebelt werden kann, wobei der Deckelkörper eine umlaufende, federnde Eingriffslippe auf¬ weist, die in eine der Eingriffslippenform angepaßte Ver- schlußsicke des Rumpfelementes von innen unter Vorspannung eingreift (nach Patentanmeldung P 40 29 146.4). The invention relates to a pressure lid can with an at least one-piece fuselage body and a lid body which, together with a fuselage element arranged at the end of the fuselage body at the closure side, forms a tight closure in which a lever gap between the fuselage body and the lid body remains free for the engagement of a lever which the cover body can be pried open, the cover body having a circumferential, resilient engagement lip which engages from inside with a biasing bead of the fuselage element adapted to the shape of the engagement lip (according to patent application P 40 29 146.4).
Die bekannte Druckdeckeldose ermöglicht in vorteilhafter Weise ein federndes Einrasten des Deckelkörpers in die Ver- schlußsicke des Rumpfelementes, so daß der Deckelkörper in der Verschlußsickenebene unter Vorspannung gehalten wird, indem die Eingriffslippe mit Federkraft in die Verschluß- sicke drückt. Der wesentliche Vorteil eines solchen Ver¬ schlusses besteht darin, daß eine solche Druckdeckeldose ohne spezielles Werkzeug zerstörungsfrei und in einfacher Weise geöffnet werden kann, indem durch Ansatz eines Hebels im Hebelspalt bewirkt wird, daß die Eingriffslippe radial nach innen gezogen wird, während das Rumpfelement nach außen gedrückt wird, wodurch die Eingriffεlippe im Bereich des Hebels außer Eingriff mit der Verschlußsicke gerät. Dadurch, "daß der Verschluß mit hoher Federspannung ineinandergreift, kann eine äußerst gute Abdichtung erreicht werden. Ein weiterer wesentlicher Vorteil besteht in der Wiederver- schließbarkeit der Druckdeckeldose, die eine Mehrfachver¬ wendung eröffnet, gegebenenfalls in Form einer Mehrwegver¬ packung.The known pressure lid can advantageously allows the lid body to snap into the locking bead of the fuselage element, so that the lid body is held under prestress in the locking bead plane by pressing the engagement lip with spring force into the locking bead. The main advantage of such a closure is that such a pressure lid can be opened without special tools in a non-destructive and simple manner by causing a lever in the lever gap to pull the engagement lip radially inwards while the fuselage element follows is pressed on the outside, whereby the engagement lip in the area of the lever disengages from the sealing bead. By "that the closure engages with a high spring tension, a very good seal can be achieved. A further important advantage consists in the resale of closing the pressure lid box, which opened a Mehrfachver¬ application, package, optionally in the form of a Mehrwegver¬.
Der Erfindung liegt nunmehr die Aufgabe zugrunde, die bekannte Druckdeckeldose mit aufhebelbarem Deckelverschluß so weiterzubilden, daß unter Beibehaltung aller auf¬ geführten Vorteile insbesondere die Herstellung des Rumpf¬ körpers vereinfacht sowie das Befüllen und Verschließen der Dose optimiert wird.The invention is based on the object of developing the known pressure lid can with a hinged lid closure in such a way that, while maintaining all the advantages listed, in particular the manufacture of the body of the body is simplified and the filling and sealing of the can is optimized.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß die Eingriffslippe des Deckelkörpers, statt in eine separat hergestellte Verschlußsicke einzugreifen, eine nach innen angerollte obere Umfangsrandbördelung des Rumpfelementes federnd untergreift.According to the invention, this object is achieved in that, instead of engaging in a separately produced closure bead, the engagement lip of the cover body resiliently engages under an inwardly rolled upper peripheral edge flange of the fuselage element.
Durch diese Maßnahme ist es möglich, die bei jedem Dosenrumpfkorper normalerweise vorhandene obere Umfangsrand- - 3 -This measure makes it possible to remove the upper circumferential edge normally present in each can body. - 3 -
bördelung (sofern diese nach innen angerollt ist) direkt als Verschlußelement für die neuartige Druckdeckeldose gemäß P 40 29 146.4 zu verwenden, ohne hierfür eine separate Verschlußsicke einprägen zu müssen. Darüberhinaus kann bei einer derartigen Konstruktion das Volumen des Dosenrumpf- körpers optimal zur Befüllung ausgenutzt werden, da die Eingrifflippe des Deckelkörpers direkt am oberen Umfangsrand des Rumpfkörpers einrastet. Schließlich kann auch der Verschlußvorgang der Dose weiter optimiert werden, wie weiter unten detaillierter dargestellt ist.Flare (if it is rolled inwards) can be used directly as a sealing element for the new pressure lid can according to P 40 29 146.4, without having to stamp a separate sealing bead. In addition, the volume of the can body can be optimally used for filling in such a construction, since the engaging lip of the lid body snaps directly onto the upper peripheral edge of the body. Finally, the sealing process of the can can also be further optimized, as is shown in more detail below.
In einer besonderen Ausführungsform der Erfindung ist vorge¬ sehen, daß unterhalb der Umfangsrandbördelung in einem Ab¬ stand, der im wesentlichen dem Außendurchmesser der Ein¬ griffslippe entspricht, eine nach innen geprägte Rumpfsicke angeordnet ist. Diese zusätzliche Rumpfsicke ermöglicht ein Abstützen des Deckelkörpers auf der dem Hebelangriffspunkt gegenüberliegenden Seite beim Öffnen des Deckels und ver¬ hindert gleichzeitig ein versehentlich zu tiefes Eindrücken des Deckels in den Rumpfkörper beim Verschließen.In a special embodiment of the invention it is provided that an inwardly embossed fuselage bead is arranged below the peripheral edge flanging at a distance which essentially corresponds to the outside diameter of the engagement lip. This additional fuselage bead enables the cover body to be supported on the side opposite the lever application point when the cover is opened and at the same time prevents the cover from being accidentally pressed too deeply into the body when it is closed.
Alternativ dazu kann vorgesehen sein, daß unterhalb der Umfangsrandbördelung in einem Abstand, der im wesentlichen dem Außendurchmesser der Eingriffslippe entspricht, der Durchmesser des Rumpfkörpers so verringert ist, daß eine ins innere des Rumpf örpers abgesetzte Stufe vorliegt. Diese Ausführungsform ist mit der vorher beschriebenen zusätzlichen unteren Rumpfsicke gleichwirkend und dann bevorzugt, wenn es sich beim Rumpfkörper um ein flacheres Behältnis, beispielsweise in Form einer Schale handelt.Alternatively, it can be provided that the diameter of the fuselage body is reduced below the circumferential edge flanging at a distance which essentially corresponds to the outer diameter of the engagement lip so that there is a step offset into the interior of the fuselage body. This embodiment has the same effect as the previously described lower fuselage bead and is preferred if the fuselage body is a flatter container, for example in the form of a shell.
Vorzugsweise ist vorgesehen, daß unterhalb der Umfangsrand¬ bördelung in dem Bereich, in dem die Eingriffslippe diese federnd untergreift, eine Dichtmasse vorgesehen ist. Die Dichtmasse ermöglicht es, die Druckdeckeldose hermetisch - -It is preferably provided that a sealing compound is provided below the peripheral edge flanging in the area in which the engagement lip resiliently engages under it. The sealing compound makes the pressure cap can hermetic - -
abzudichten, wobei sich hinsichtlich des Verhaltens der verschlossenen Druckdeckeldose während der Sterilisation dieselben Vorteile ergeben, wie sie bereits in der Haupt¬ patentanmeldung beschrieben sind.to seal, with the same advantages with regard to the behavior of the closed pressure lid can during sterilization as have already been described in the main patent application.
Dabei ist es besonders bevorzugt, wenn die Dichtmasse bakterizid ausgerüstet ist, z.B. durch Zusatz von Ascorbinsäure, um eine Penetration der Dichtmasse durch Bakterien zu verhindern.It is particularly preferred if the sealant is bactericidal, e.g. by adding ascorbic acid to prevent penetration of the sealant by bacteria.
In einer weiteren Ausführungsform der Erfindung ist vorge¬ sehen, daß der Deckelkörper aus Kunststoff besteht. Im Gegensatz zu einer Herstellung des Deckelkörpers aus. Feinst¬ blech würde in diesem Fall die Eingriffslippe an Stelle einer Einrollung aus Vollmaterial bestehen und die Material¬ stärke größer sein können.In a further embodiment of the invention, it is provided that the cover body consists of plastic. In contrast to a manufacture of the lid body. In this case, ultra-fine sheet metal would consist of solid material instead of a curl, and the material thickness could be greater.
Bei einer Ausbildung des Deckelkörpers aus Kunststoff sind bevorzugt Mittel zum Abbau eines Oberdrucks in der Dose eingebaut, die z.B. aus einem integrierten, semipermeablen Überdruckventil bestehen können.When the lid body is made of plastic, means for reducing an overpressure are preferably built into the can, which e.g. can consist of an integrated, semi-permeable pressure relief valve.
Eine weitere Ausführungsform der Erfindung sieht vor, daß die Umfangsrandbördelung so ausgebildet ist, daß sie sich durch Abschrägung ihrer inneren Umfangsfläche zu ihrem oberen Ende hin im Querschnitt verjüngt. Dadurch soll erreicht werden, daß das Eindrücken des Deckelkörpers beim erstmaligen oder wiederholten Verschließen des Rumpfkδrpers erleichtert wird, da durch das Heruntergleiten der Eingriffslippe auf der Abschrägung der Umfangsrandbördelung diese ohne großen Kraftaufwand nach außen gedrückt werden kann.Another embodiment of the invention provides that the peripheral edge flanging is designed so that it tapers in cross-section by sloping its inner peripheral surface towards its upper end. The aim of this is to make it easier for the lid body to be pressed in when the fuselage body is closed for the first time or repeatedly, since the engagement lip can be pushed outward without great effort by sliding the engagement lip down on the bevel of the peripheral edge flange.
Im folgenden werden unter Bezugnahme auf die Zeichnungen Ausführungsbeispiele der Erfindung näher erläutert- Dabei zeigt: - 5 -Exemplary embodiments of the invention are explained in more detail below with reference to the drawings. - 5 -
Fig. 1 einen teilweisen Querschnitt durch den Verschlußbe¬ reich eines ersten Ausführungsbeispiels der erfindungsgemäßen Druckdeckeldose im verschlossenen Zustand;1 shows a partial cross section through the closure area of a first embodiment of the pressure lid can according to the invention in the closed state;
Fig. 2 einen teilweisen Querschnitt durch den Verschlu߬ bereich eines zweiten Ausführungsbeispiels der erfindungsgemäßen Druckdeckeldose im verschlossenen Zustand;2 shows a partial cross section through the closure region of a second exemplary embodiment of the pressure lid can according to the invention in the closed state;
Fig. 3 einen teilweisen Querschnitt durch den Verschlu߬ bereich des ersten Ausführungsbeispiels der erfindungsgemäßen Druckdeckeldose während des Verschlußvorganges;3 shows a partial cross section through the closure region of the first exemplary embodiment of the pressure lid can according to the invention during the closure process;
Fig. 4 eine ähnliche Ansicht wie in Fig. 3, die ein späteres Stadium des Verschlußvorgangeε zeigt;FIG. 4 is a view similar to that of FIG. 3, showing a later stage of the closure process;
Fig. 5 eine Schematische Querschnittsansicht durch einen erfindungsgemäßen Deckelkörper mit eingebauten Über¬ druckventil in abdichtendem Zustand; und5 shows a schematic cross-sectional view through a cover body according to the invention with a built-in pressure relief valve in the sealing state; and
Fig. 6 eine Darstellung wie in Fig. 5, die das entsprechende Überdruckventil während des Entweichen von expandierendem Gas aus dem Doseninneren zeigt.Fig. 6 is an illustration as in Fig. 5, showing the corresponding pressure relief valve during the escape of expanding gas from the inside of the can.
Die Druckdeckeldose 1 besteht aus einem zylindrischen Rumpf örper 2, dessen oberes Ende das Rumpfelement 6 dar¬ stellt. Die Druckdeckeldose 1 wird in diesem Teil mit einem Deckelkörper 4 verschlossen, dessen Eingriffslippe 8 federnd in den Zwischenraum zwischen der nach innen ange¬ rollten oberen Umfangsrandbördelung 10 des Rumpfelementes 6 und der nach innen geprägten Rumpfsicke 18 federnd ein¬ greift. Dabei entspricht der Abstand zwischen der Rumpfsicke - 6 -The pressure cap can 1 consists of a cylindrical body 2, the upper end of which represents the body element 6. The pressure lid can 1 is closed in this part with a lid body 4, the engagement lip 8 of which resiliently engages in the space between the inwardly rolled upper peripheral edge flange 10 of the fuselage element 6 and the inwardly embossed fuselage bead 18. The distance between the fuselage corresponds to this - 6 -
18 und dem unteren Ende der Umfangsrandbördelung 10 im wesentlichen dem Außendurchmesser der Eingriffslippe 8, so daß diese direkt die Umfangsrandbördelung untergreift.18 and the lower end of the peripheral edge flange 10 substantially the outer diameter of the engagement lip 8, so that it engages directly under the peripheral edge flange.
Alternativ dazu kann, wie in Fig. 2 dargestellt, die Ein¬ griffslippe 8 eines Deckelkörpers 4' sich nach unten hin auch auf einer Stufe 20 abstützen, die dadurch entsteht, daß der Durchmesser des Rumpfkörpers 2 sich in einem Abstand, der ebenfalls im wesentlichen dem Außendurchmesser der Eingriffslippe entspricht, verringert. Diese Ausführungsform ist insbesondere dann bevorzugt, wenn eine derartige Dosenform bereits vorgegeben ist, wie beispiels¬ weise im Fall relativ flacher Schalen.As an alternative to this, as shown in FIG. 2, the engagement lip 8 of a cover body 4 'can also be supported at the bottom on a step 20 which arises from the fact that the diameter of the body body 2 is at a distance which is also essentially corresponds to the outer diameter of the engagement lip, reduced. This embodiment is particularly preferred when such a can shape has already been specified, for example in the case of relatively flat shells.
Für eine hermetische Abdichtung des Deckelverschlusses ist in beiden Fällen zwischen der Eingriffslippe 8 und dem Zwischenraum zwischen Umfangsrandbördelung 10 und Rumpf- sicke 18 bzw. Stufe 20 eine Dichtungsmasse 22 vorgesehen, wobei Deckelkörper 4 bzw. 4" und Rumpfkörper 2 vorzugsweise bei noch flüssiger Dichtungsmasse zusammengefügt werden. Eine bakterizide Ausrüstung der Dichtungsmasse, beispiels¬ weise mit Ascorbinsäure, kann dabei wirkungsvoll die Penetration der Dichtung durch Bakterien verhindern.For hermetic sealing of the lid closure, a sealing compound 22 is provided in both cases between the engagement lip 8 and the space between the peripheral edge flange 10 and the body bead 18 or step 20, the lid body 4 or 4 "and body body 2 preferably being joined together while the sealing compound is still liquid Bactericidal treatment of the sealing compound, for example with ascorbic acid, can effectively prevent the penetration of the seal by bacteria.
Unabhängig davon, ob eine Dichtungsmasse 22 eingesetzt wird oder nicht, kann der Deckelkörper 4 bzw. 4' jedoch in jedem Fall wieder verwendet werden, um die Druckdeckeldose erneut zu verschließen. Dadurch eröffnet sich auch die Möglichkeit, die erfindungsgemäße Druckdeckeldose (ebenso wie die Druck¬ deckeldose gemäß der Hauptpatentanmeldung P 40 29 146.4) mehrfach, gegebenenfalls in Form einer Mehrwegverpackung zu verwenden.Regardless of whether a sealing compound 22 is used or not, the cover body 4 or 4 'can, however, be used again in any case in order to close the pressure cover box again. This also opens up the possibility of using the inventive pressure lid can (as well as the pressure lid can according to main patent application P 40 29 146.4) several times, possibly in the form of reusable packaging.
Die Darstellungen in Fig. 3 und 4 zeigen den Vorgang des erstmaligen automatisierten Verschließens der erfindungsge- - 73 and 4 show the process of the first automated closing of the - 7th
mäßen Druckdeckeldose nach Befüllung. Zu diesem Zweck wird der Deckelkörper 4 zunächst unter Vorspannung in den Ver¬ schlußkopf 30 einer Verschließvorrichtung eingesetzt. In diesem Zustand wird der Durchmesser des Deckels soweit ver¬ ringert, daß die Eingriffslippe 8 am gesamten Umfangsrand des Deckelkörpers in der in Fig. 3 dargestellten Stellung mit geringfügigem Abstand zum oberen Ende 13 der Umfangs¬ randbördelung 10 angeordnet ist. Wenn der Verschlußkopf 30 tiefer fährt, stoßen die Eingriffslippe und die abge¬ schrägte innere Umfangsfläche 12 der Umfangsrandbördelung 10 aufeinander, wobei in.diesem Zustand eventuell über¬ stehendes Füllmaterial abgequetscht wird.moderate pressure lid can after filling. For this purpose, the cover body 4 is first inserted under prestress into the closure head 30 of a closing device. In this state, the diameter of the cover is reduced to such an extent that the engagement lip 8 is arranged on the entire peripheral edge of the cover body in the position shown in FIG. 3 at a slight distance from the upper end 13 of the peripheral edge flange 10. When the closure head 30 moves deeper, the engagement lip and the chamfered inner peripheral surface 12 of the peripheral edge flange 10 collide with one another, in which case any excess filler material is squeezed out.
Wenn der Verschlußkopf noch tiefer fährt, wird die Umfangs¬ randbördelung 10 um eine Achse, die in etwa im Bereich der Rumpfsicke 18 liegt, über ihren gesamten Umfang nach außen •gedrückt, und zwar zunächst von der Eingriffslippe 8 selbst und daran anschließend vom entsprechenden Ringfortsatz 32 des Verschlußkopfes 30 (siehe hierzu Fig. 4) . Wenn sich die Eingriffslippe 8 auf Höhe des Zwischenraums zwischen der Umfangsrandbördelung 10 und der Rumpfsicke 18 befindet, in den vorzugsweise die Dichtmasse 22 in noch flüssigem Zustand eingebracht worden ist, fährt der Verschlußkopf 30 durch Betätigung des Ausstoßers 34, der sich auf dem oberen Ende 13 der Umfangsrandbördelung 10 abstützt, wieder nach oben, wobei der Deckelkörper 4 nun federnd die Umfangsrand¬ bördelung 10 in der in Fig. 1 dargestellten Weise unter¬ greift und zusammen mit der plastifizierenden Dichtmasse 22 einen hermetischen Verschluß der Druckdeckeldose bildet.When the closure head moves deeper, the Umfangs¬ is edge flange 10 about an axis which lies approximately in the region of the hull bead 18, • pressed over its entire circumference to the outside, first the engagement lip 8 itself and subsequently by the relevant annular extension 32 of the closure head 30 (see Fig. 4). If the engagement lip 8 is located at the level of the space between the peripheral edge flange 10 and the fuselage bead 18, into which the sealing compound 22 has preferably been introduced while still in a liquid state, the closure head 30 moves by actuating the ejector 34, which is located on the upper end 13 the peripheral edge flange 10 supports, again upwards, the cover body 4 now resiliently engages the peripheral edge flange 10 in the manner shown in FIG. 1 and together with the plasticizing sealing compound 22 forms a hermetic seal of the pressure lid box.
Wenn der erfindungsgemäße Druckdeckel bei der Erstbefüllung vom Dosenbefüller als Behälterversch-i-iiß eingedrückt wird, läßt sich bei entsprechender Deckelausformung der Domraum, der frei von Produkt ist, im Moment des Eindrückens durch eine Lanze mit Dampf befullen. Die Kondensierung des Dampfes führt zu einem Unterdruck im Behälter, der den Deckel auf den mit Dichtmasse 22 abgedeckten Bereich des Rumpfelementes 6 zieht.If the pressure lid according to the invention is pressed in as a container closure when the can filler is filled for the first time, the dome space, which is free of product, can be filled with steam by a lance at the moment of pressing in, with a corresponding lid shape. The condensation of the steam leads to a negative pressure in the container, which pulls the lid onto the area of the fuselage element 6 covered with sealing compound 22.
Bei Verwendung eines Deckelkörpers 4 bzw. 41 können zum Abbau eines aus Luft oder Gas resultierenden Überdrucks in der Dose während der Sterilisation Mittel zu einem geeigneten Druckabbau eingebaut sein. In den Fig. 5 und 6 sind ein derartiges integriertes, semipermeables Überdruckventil (ein sog. Kaffeeventil) und seine Funktions¬ weise dargestellt. Bei verschlossener Dose ohne Überdruck liegt die Membran 42 des Überdruckventils 40 dichtend auf der Dichtungsfläche 44 auf und überdeckt dabei die Öffnungen 46 zum Doseninneren hin (Fig. 5). Entsteht in der Dose (z.B. während der Sterilisation) ein Überdruck, wird die Membran 42 im Bereich der Öffnungen 46 von der Dichtungsfläche 44 abgehoben,, so daß ein Ausströmen des expandierenden Gases aus dem Doseninneren durch die Öffnungen 46 und 48 erfolgen kann und somit der im Doseninneren entstandene Überdruck abgebaut wird.When using a lid body 4 or 4 1 , means for a suitable pressure reduction can be built into the can during the sterilization in order to reduce an overpressure resulting from air or gas. Such an integrated, semi-permeable pressure relief valve (a so-called coffee valve) and its mode of operation are shown in FIGS. 5 and 6. When the can is closed without excess pressure, the membrane 42 of the excess pressure valve 40 lies sealingly on the sealing surface 44 and thereby covers the openings 46 to the interior of the can (FIG. 5). If an overpressure arises in the can (for example during sterilization), the membrane 42 is lifted from the sealing surface 44 in the area of the openings 46, so that the expanding gas can flow out of the interior of the can through the openings 46 and 48 and thus the excess pressure created inside the can is reduced.
Die in der vorstehenden Beschreibung, in der Zeichnung sowie in den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger Kombination für die Verwirklichung der Erfindung in ihren verschiedenen Aus¬ führungsformen wesentlich sein. The features of the invention disclosed in the above description, in the drawing and in the claims can be essential both individually and in any combination for the implementation of the invention in its various embodiments.
BezugszeichenlisteReference list

Claims

Ansprüche Expectations
1. Druckdeckeldose mit einem mindestens einteiligen Rumpf¬ körper und einem Deckelkörper, der zusammen mit einem am ver¬ schlußseitigen Ende des Rumpfkörpers angeordneten Rumpfele- ment einen dichten Verschluß bildet, bei dem ein Hebelspalt zwischen Rumpfkörper und Deckelkörper für den Eingriff eines Hebels frei bleibt", über den der Deckelkörper aufgehebelt werden kann, wobei der Deckelkörper eine umlaufende, federnde Eingriffslippe zum Eingriff in das Rumpfelement von innen un- 1. pressure lid can with an at least one-piece body and a lid body which, together with a body element arranged on the closure-side end of the body, forms a tight seal in which a lever gap between the body and the lid body remains free for the engagement of a lever " , via which the cover body can be pried open, the cover body having a circumferential, resilient engagement lip for engagement in the fuselage element from the inside
ter Vorspannung aufweist, und der Deckelkörper in den Rumpf- körper einsetzbar ist und die Eingriffslippe in eine der Eingriffslippenform angepaßte Verschlußsicke des Rumpfele¬ mentes eingreift (nach Patentanmeldung P 40 29 146.4),ter has pre-tensioning, and the cover body can be inserted into the body of the body and the engagement lip engages in a sealing bead of the body element adapted to the shape of the engagement lip (according to patent application P 40 29 146.4),
dadurch gekennzeichnet,characterized,
daß anstelle der Verschlußsicke eine nach innen angerollte obere Umfangsrandbördelung (10) und unterhalb dieser oberen Umfangsrandbördelung in einem Abstand, der im wesentlichen dem Außendurchmesser der Eingriffslippe (8) entspricht, eine nach innen geprägte Rumpfsicke (18) oder eine ins Innere des Rumpfkörpers abgesetzte Stufe (20) vorgesehen sind.that instead of the sealing bead, an inwardly rolled upper peripheral edge flange (10) and below this upper peripheral edge flange at a distance which essentially corresponds to the outer diameter of the engagement lip (8), an inwardly embossed fuselage bead (18) or a step offset into the interior of the fuselage body (20) are provided.
2. Druckdeckeldose nach Anspruch 1, dadurch gekennzeichnet, daß unterhalb der Umfangsrandbördelung (10) in dem Bereich, in den die Eingriffslippe eingreift, eine Dichtmasse (22) vorgesehen ist- 2. Pressure lid can according to claim 1, characterized in that a sealing compound (22) is provided below the peripheral edge flanging (10) in the area in which the engagement lip engages.
EP91919782A 1990-12-01 1991-11-15 Container with snap-on lid Expired - Lifetime EP0513265B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4038870A DE4038870A1 (en) 1990-09-11 1990-12-01 Can with press on lid and one-piece main body - has gap into which lever is inserted for opening, and insertion lip around lid, and includes closure fin
DE4038870 1990-12-01
PCT/DE1991/000911 WO1992009495A1 (en) 1990-12-01 1991-11-15 Container with snap-on lid

Publications (2)

Publication Number Publication Date
EP0513265A1 true EP0513265A1 (en) 1992-11-19
EP0513265B1 EP0513265B1 (en) 1995-04-05

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JP (1) JPH05503061A (en)
AT (1) ATE120704T1 (en)
AU (1) AU650075B2 (en)
BR (1) BR9106028A (en)
CA (1) CA2074836A1 (en)
HU (1) HUT67628A (en)
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WO (1) WO1992009495A1 (en)

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US20080087669A2 (en) 2006-07-10 2008-04-17 Inline Plastics Corp. Tamper-resistant container with tamper-evident feature and method of forming same
DE102004049225B4 (en) 2004-09-24 2017-03-02 Ardagh Mp Group Netherlands B.V. Container closure for dangerous goods
US20100102074A1 (en) 2008-10-28 2010-04-29 Par-Pak Ltd. Tamper evident container with frangible hinge
JP2018536596A (en) * 2015-12-10 2018-12-13 ノベリス・インコーポレイテッドＮｏｖｅｌｉｓ Ｉｎｃ． Beverage container with reverse edge winding method and reverse edge winding for metal beverage containers

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CH607701A5 (en) * 1976-05-21 1978-10-13 Vogel Bmw Ag Container with lid
US4180179A (en) * 1978-08-31 1979-12-25 The Continental Group, Inc. Beaded snaplock closure
DE2844374A1 (en) * 1978-10-11 1980-04-17 Ragnar Svensson METHOD AND DEVICE FOR CLOSING VESSELS OPEN ON THE TOP
US4337874A (en) * 1979-02-09 1982-07-06 The Continental Group, Inc. Snap lock cover end unit

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Title
See references of WO9209495A1 *

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CA2074836A1 (en) 1992-06-02
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WO1992009495A1 (en) 1992-06-11
HU9202512D0 (en) 1992-10-28
RU2065390C1 (en) 1996-08-20
ATE120704T1 (en) 1995-04-15
AU650075B2 (en) 1994-06-09
JPH05503061A (en) 1993-05-27

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