EP0314627A2 - Canister - Google Patents

Canister Download PDF

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Publication number
EP0314627A2
EP0314627A2 EP88810729A EP88810729A EP0314627A2 EP 0314627 A2 EP0314627 A2 EP 0314627A2 EP 88810729 A EP88810729 A EP 88810729A EP 88810729 A EP88810729 A EP 88810729A EP 0314627 A2 EP0314627 A2 EP 0314627A2
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EP
European Patent Office
Prior art keywords
membrane
closure membrane
closure
deep
tab
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
EP88810729A
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German (de)
French (fr)
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EP0314627B1 (en
EP0314627A3 (en
Inventor
Walter Schellenberg
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Sandherr Packungen AG
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Sandherr Packungen AG
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 Sandherr Packungen AG filed Critical Sandherr Packungen AG
Publication of EP0314627A2 publication Critical patent/EP0314627A2/en
Publication of EP0314627A3 publication Critical patent/EP0314627A3/en
Application granted granted Critical
Publication of EP0314627B1 publication Critical patent/EP0314627B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/34—Arrangement or construction of pull or lift tabs
    • B65D17/347—Arrangement or construction of pull or lift tabs characterised by the connection between the tab and a detachable member or portion of the container

Definitions

  • the invention relates to a can with a closure membrane made of plastic, which is connected to the can body via a predetermined separation area, a handle tab being integrally formed on the part of the closure membrane spanning the can opening.
  • a can of this type is known from CH-PS 453 117. Its sealing membrane is made in one piece from plastic by injection molding with the grip tab and a thick reinforcement ring provided for engaging a separate can lid. Your target separation area consists of a weakening groove.
  • the production of such a sealing membrane in spraying technology is associated with a high outlay in terms of equipment and time, so that such cans have not been widely used and metal membranes are used almost exclusively for sealing membranes.
  • the grip tab is either glued on (DE-OS 20 61 497) or punched out of the membrane film. When punching out (DE-PS 26 15 812) the resulting incision must be closed by an additional piece of film.
  • the invention has for its object to find a can of the type mentioned, which can be easily manufactured with little equipment and high productivity, without the need for environmentally damaging metal or aluminum foil material for the sealing membrane.
  • this object is achieved in that the sealing membrane with the grip tab consists of a deep-drawn plastic film, so that the grip tab is double-walled.
  • the double-walled grip tab which is consequently vertically upward, can be bent flatly onto the membrane surface with little effort when putting on a conventional bowl cover, so that when the cover is loosened, it can be partially upwards again springs back into an inclined position within easy reach.
  • the plastic deep-drawing mold for the production of a sealing membrane for a can according to the invention has a much simpler structure, since only one of them is shaped by the blow molding process Mold half, ie a die is required, because heating the plastic film allows it to be deep-drawn with little force. Only a relatively simple tool is required to produce a cross-sectional reduction in the sealing membrane to form a predetermined separation area, since the corresponding deformation takes place with little effort by a heated embossing tool.
  • the sealing membrane 1 has a cylindrical wall 2 which has different cross-sectional shapes, e.g. circular, oval, square with rounded corners, etc. can have.
  • the cylindrical wall is adjoined by an edge 3 which is bent downward and thus U-shaped in cross-section and which protects the edge of a box body (not shown) from e.g. wrapped cardboard serves.
  • the cylindrical wall 2 is tightly sealed to the inner wall of the can body.
  • This sealed connection along the cylindrical wall 2 can form a predetermined separation area if the edge protector 3 is not left on the can body after the can has been opened.
  • a circumferential target dividing line can be embossed.
  • the grip tab 6 formed on this part 5 is pulled upward, so that the separation takes place along the desired separation area.
  • This grip tab 6 has two at least approximately parallel wall parts 7, 8, which have at least approximately the same thickness as the remaining part of the closure membrane 1.
  • the hollow design of the grip tab 6 results from its deep-drawing shape over the tongue-shaped upstanding core part 9 the deep-drawing die 10 under the pressure of compressed air acting on one side on the membrane film.
  • the deep-drawing of a heated plastic film with compressed air in a die 10, starting from a continuous film strip in a cyclical process, is generally known, so that a detailed description of the process sequence, the conveying means to the molding station, the heating zone, the compressed air supply, the cutting knife drive, the waste reel, etc. superfluous.
  • the cutting knife for cutting out the film material required for the closure membrane 1 from the continuous film band is shown in FIG.
  • the molding die 10, on the inner surface of which the membrane film is blown under the pressure of the compressed air, is shown in FIGS. 3 and 4.
  • the bottom surface 12 is offset downward, so that there is a recessed area 13 in the sealing membrane 1, into which the grip tab 6 lies when it passes through the cavity of the sealing membrane 1, which is not shown filling cup lid is pressed onto the membrane surface.
  • the corresponding folded position of the grip tab 6 is indicated in Figure 4 by a dash-dot line 6 '.
  • PET polyethylene terephthalate
  • the corresponding membrane film is provided with a thermal lacquer layer, which also improves the tightness of the sealing membrane.
  • a major advantage of producing the sealing membrane by deep drawing, compared to a spraying method, is the possibility of producing the sealing membrane 1 from a composite film, so that different material properties of several film layers lead to an optimal combination.
  • the bottom of the can can be produced in the same way in a deep-drawing die from a membrane film, with the grip tab being omitted.
  • the thickness of the membrane film is, for example, in the range from 0.2 to 0.4 mm.

Abstract

The closure membrane (1) of the canister is produced, together with a gripping tab (6), by deep-drawing from a plastic film material. Since the gripping tab is shaped over a shaping core of the deep-drawing template, it projects at right angles from the closure membrane (1) and is double-walled. When a canister lid is placed over the closure membrane (1), the gripping tab (6) bends down onto said closure membrane in order to assume an oblique position, which is suitable for gripping, when the canister lid is removed. <IMAGE>

Description

Die Erfindung betrifft eine Dose mit einer Verschlussmembran aus Kunststoff, die über einen Solltrennbereich mit dem Do­senkörper verbunden ist, wobei an dem die Dosenöffnung über­spannenden Teil der Verschlussmembran einstückig eine Griff­lasche angeformt ist.The invention relates to a can with a closure membrane made of plastic, which is connected to the can body via a predetermined separation area, a handle tab being integrally formed on the part of the closure membrane spanning the can opening.

Eine Dose dieser Art ist bekannt durch die CH-PS 453 117. Ihre Verschlussmembran ist mit der Grifflasche und einem dicken, zum Eingriff eines separaten Dosendeckels vorgesehe­nen Verstärkungsring in einem Stück in Spritztechnik aus Kunststoff hergestellt. Ihr Solltrennbereich besteht aus einer Schwächungsrille. Die Herstellung einer solchen Ver­schlussmembran in Spritztechnik ist mit hohem apparativen und zeitlichen Aufwand verbunden, so dass solche Dosen keine wesentliche Verbreitung gefunden haben und für Verschluss­membranen nahezu ausschliesslich Metallmembranen verwendet werden. Bei letzteren wird die Grifflasche entweder aufge­klebt (DE-OS 20 61 497) oder aus der Membranfolie ausgestanzt. Beim Ausstanzen (DE-PS 26 15 812) muss der dabei entstehende Einschnitt durch ein zusätzliches Folienstück verschlossen werden.A can of this type is known from CH-PS 453 117. Its sealing membrane is made in one piece from plastic by injection molding with the grip tab and a thick reinforcement ring provided for engaging a separate can lid. Your target separation area consists of a weakening groove. The production of such a sealing membrane in spraying technology is associated with a high outlay in terms of equipment and time, so that such cans have not been widely used and metal membranes are used almost exclusively for sealing membranes. In the latter case, the grip tab is either glued on (DE-OS 20 61 497) or punched out of the membrane film. When punching out (DE-PS 26 15 812) the resulting incision must be closed by an additional piece of film.

Der Erfindung liegt die Aufgabe zugrunde, eine Dose der ein­gangsgenannten Art zu finden, die sich mit geringem appara­tivem Aufwand und hoher Produktivität leicht herstellen lässt, ohne dass umweltbalastendes Metall- bzw. Aluminiumfolienmate­rial für die Verschlussmembran erforderlich ist.The invention has for its object to find a can of the type mentioned, which can be easily manufactured with little equipment and high productivity, without the need for environmentally damaging metal or aluminum foil material for the sealing membrane.

Die Lösung der genannten Aufgabe erfolgt erfindungsgemäss da­durch, dass die Verschlussmembran mit der Grifflasche aus ei­ner tiefgezogenen Kunststoffolie besteht, so dass die Griff­lasche doppelwandig ist.According to the invention, this object is achieved in that the sealing membrane with the grip tab consists of a deep-drawn plastic film, so that the grip tab is double-walled.

Da die Verschlussmembran mit ihrer Grifflasche durch Tief­ziehen einer Kunststoffolie hergestellt wird, kann die folg­lich senkrecht nach oben stehende doppelwandige Grifflasche mit geringem Kraftaufwand beim Aufsetzen eines üblichen Napf­deckels durch diesen flach auf die Membranfläche niedergebo­gen werden, so dass sie nach Lösen dieses Deckels teilweise wieder nach oben in eine griffgerechte schräge Position zu­rückfedert.Since the sealing membrane with its grip tab is produced by deep-drawing a plastic film, the double-walled grip tab, which is consequently vertically upward, can be bent flatly onto the membrane surface with little effort when putting on a conventional bowl cover, so that when the cover is loosened, it can be partially upwards again springs back into an inclined position within easy reach.

Gegenüber Spritzgiessformen für die Herstellung der zuvor ge­nannten vorbekannten Verschlussmembranen und Tiefziehwerkzeu­gen für die Herstellung von Verschlussmembranen aus Metall, bzw. Aluminium hat die Kunststoff-Tiefziehform für die Her­stellung einer Verschlussmembran für eine erfindungsgemässe Dose einen wesentlich einfacheren Aufbau, da durch das Verfor­men im Blasverfahren nur eine Formhälfte, d.h. eine Matrize, erforderlich ist, denn durch ein Erwärmen der Kunststoffolie lässt diese sich unter geringen Kräften tiefziehen. Auch für die Herstellung einer Querschnittsverringerung in der Ver­schlussmembran zur Ausbildung eines Solltrennbereichs ist nur ein verhältnismässig einfaches Werkzeug erforderlich, da durch ein geheiztes Prägewerkzeug die entsprechende Verformung bei geringem Kraftaufwand erfolgt.Compared to injection molds for the production of the aforementioned known sealing membranes and deep-drawing tools for the production of sealing membranes made of metal or aluminum, the plastic deep-drawing mold for the production of a sealing membrane for a can according to the invention has a much simpler structure, since only one of them is shaped by the blow molding process Mold half, ie a die is required, because heating the plastic film allows it to be deep-drawn with little force. Only a relatively simple tool is required to produce a cross-sectional reduction in the sealing membrane to form a predetermined separation area, since the corresponding deformation takes place with little effort by a heated embossing tool.

Vorteilhafte Ausgestaltungen der Erfindung ergeben sich auch aus der folgenden Beschreibung eines Ausführungsbeipieles an­hand der Zeichnungen. Es zeigt:

  • Fig.1 einen Querschnitt durch die Verschlussmembran,
  • Fig.2 einen Querschnitt durch einen Schnittring,
  • Fig.3 einen Querschnitt durch eine auf einer Formdruck­platte angeordnete Matrize und
  • Fig.4 eine Aufsicht auf die Matrize nach Fig.3.
Advantageous refinements of the invention also result from the following description of an exemplary embodiment with reference to the drawings. It shows:
  • 1 shows a cross section through the sealing membrane,
  • 2 shows a cross section through a cutting ring,
  • 3 shows a cross section through a die arranged on a pressure plate and
  • 4 shows a top view of the die according to FIG. 3.

Wie die Fig.1 zeigt, hat die Verschlussmembran 1 eine zylin­drische Wand 2, die verschiedene Querschnittsformen, z.B. kreis­förmig, oval, quadratisch mit abgerundeten Ecken u.s.w. auf­weisen kann. Nach aussen schliesst sich an die zylindrische Wand ein nach unten gebogener und somit im Querschnitt u-för­miger Rand 3 an, der dem Kantenschutz eines nichtdargestell­ten Dosenkörpers aus z.B. gewickeltem Kartonmaterial dient. Die zylindrische Wand 2 ist dicht mit der Innenwand des Do­senkörpers versiegelt. Diese Siegelverbindung entlang des zy­lindrischen Wand 2 kann einen Solltrennbereich bilden, wenn auf den Verbleib des Kantenschutzes 3 am Dosenkörper nach dem Oeffnen der Dose verzichtet wird. In dieser zylindrischen Wand 2 der Verschlussmembran 1 kann jedoch eine umlaufende Solltrennlinie eingeprägt sein. Vorzugsweise befindet sich jedoch eine nichtdargestellte Solltrennlinie im Bereich 4 des Uebergangs zwischen dem die Dosenöffnung überspannenden Teil 5 der Verschlussmembran und deren Wand 2.As shown in Figure 1, the sealing membrane 1 has a cylindrical wall 2 which has different cross-sectional shapes, e.g. circular, oval, square with rounded corners, etc. can have. To the outside, the cylindrical wall is adjoined by an edge 3 which is bent downward and thus U-shaped in cross-section and which protects the edge of a box body (not shown) from e.g. wrapped cardboard serves. The cylindrical wall 2 is tightly sealed to the inner wall of the can body. This sealed connection along the cylindrical wall 2 can form a predetermined separation area if the edge protector 3 is not left on the can body after the can has been opened. In this cylindrical wall 2 of the sealing membrane 1, however, a circumferential target dividing line can be embossed. Preferably, however, there is a nominal separation line (not shown) in the area 4 of the transition between the part 5 of the closure membrane spanning the can opening and its wall 2.

Um die Verschlussmembran 1 oder zumindest den die Dosenöff­nung überspannenden Teil 5 zum Oeffnen der Dose vom Dosen­körper zu lösen, wird der an diesem Teil 5 angeformte Griff­lappen 6 nach oben gezogen, so dass die Abtrennung entlang des Solltrennbereichs erfolgt. Dieser Grifflappen 6 hat zwei mindestens angenähert parallel zueinander verlaufende Wand­teile 7,8, die zumindest angenähert die gleiche Dicke aufwei­sen wie der übrige Teil der Verschlussmembran 1. Die somit hohle Ausbildung des Grifflappens 6 ergibt sich durch seine Tiefziehformung über den zungenförmig nach oben stehenden Kernteil 9 der Tiefziehmatrize 10 unter dem Druck von einsei­tig auf die Membranfolie wirkender Pressluft.In order to detach the closure membrane 1 or at least the part 5 spanning the can opening for opening the can from the can body, the grip tab 6 formed on this part 5 is pulled upward, so that the separation takes place along the desired separation area. This grip tab 6 has two at least approximately parallel wall parts 7, 8, which have at least approximately the same thickness as the remaining part of the closure membrane 1. The hollow design of the grip tab 6 results from its deep-drawing shape over the tongue-shaped upstanding core part 9 the deep-drawing die 10 under the pressure of compressed air acting on one side on the membrane film.

Das Tiefziehen einer erwärmten Kunststoffolie mit Pressluft in einer Matrize 10, ausgehend von einem kontinuierlichen Folienband im Taktverfahren ist allgemein bekannt, so dass sich eine detaillierte Beschreibung des Verfahrensablaufs, der Fördermittel zur Formstation, der Heizzone, der Pressluft­zufuhr, des Schnittmesserantriebs, der Abfallaufrollung u.s.w. erübrigt. Das Schneidmesser zum Herausschneiden des für die Verschlussmembran 1 erforderlichen Folienmaterials aus dem kontinuierlichen Folienband ist in Fig.2 gezeigt. Die Formmatrize 10,an deren Innenfläche die Membranfolie unter dem Druck der Pressluft angeblasen wird, ist in den Fig.3 und 4 gezeigt. Im Bereich 11 des Kernteiles 9 für den Grifflappen 6 ist die Bodenfläche 12 nach unten abgesetzt, so dass sich in der Verschlussmembran 1 ein vertiefter Bereich 13 ergibt, in den sich der Grifflappen 6 hineinlegt, wenn er durch den nichtdargestellten, den Hohlraum der Verschlussmembran 1 aus­füllenden Napfdeckel auf die Membranfläche niedergedrückt wird. Die entsprechende umgelegte Position des Grifflappens 6 ist in Fig.4 durch eine Strich-Punkt-Linie 6′ angedeutet.The deep-drawing of a heated plastic film with compressed air in a die 10, starting from a continuous film strip in a cyclical process, is generally known, so that a detailed description of the process sequence, the conveying means to the molding station, the heating zone, the compressed air supply, the cutting knife drive, the waste reel, etc. superfluous. The cutting knife for cutting out the film material required for the closure membrane 1 from the continuous film band is shown in FIG. The molding die 10, on the inner surface of which the membrane film is blown under the pressure of the compressed air, is shown in FIGS. 3 and 4. In the area 11 of the core part 9 for the grip tab 6, the bottom surface 12 is offset downward, so that there is a recessed area 13 in the sealing membrane 1, into which the grip tab 6 lies when it passes through the cavity of the sealing membrane 1, which is not shown filling cup lid is pressed onto the membrane surface. The corresponding folded position of the grip tab 6 is indicated in Figure 4 by a dash-dot line 6 '.

Als Material für die Verschlussmembran 1 ist beispielsweise PET (Polyäthylenterephthalat) geeignet. Zur Herstellung der Siegelverbindung mit dem Dosenkörper wird die entsprechende Membranfolie mit einer Thermolackschicht versehen, die auch die Dichtigkeit der Verschlussmembran verbessert. Ein wesent­licher Vorteil der Herstellung der Verschlussmembran durch Tiefziehen, im Vergleich zu einem Spritzverfahren besteht auch in der Möglichkeit, die Verschlussmembran 1 aus einer Verbundfolie herzustellen, so dass verschiedene Materialeigen­schaften von mehreren Folienschichten zu einer optimalen Kom­bination führen.For example, PET (polyethylene terephthalate) is suitable as the material for the sealing membrane 1. In order to produce the seal connection with the can body, the corresponding membrane film is provided with a thermal lacquer layer, which also improves the tightness of the sealing membrane. A major advantage of producing the sealing membrane by deep drawing, compared to a spraying method, is the possibility of producing the sealing membrane 1 from a composite film, so that different material properties of several film layers lead to an optimal combination.

Es versteht sich, dass der Boden der Dose unter Weglassung des Grifflappens auf die gleiche Weise in einer Tiefzieh­matrize aus einer Membranfolie hergestellt werden kann.It goes without saying that the bottom of the can can be produced in the same way in a deep-drawing die from a membrane film, with the grip tab being omitted.

Die Dicke der Membranfolie liegt beispielsweise im Bereich von 0,2 bis 0,4 mm.The thickness of the membrane film is, for example, in the range from 0.2 to 0.4 mm.

Claims (9)

1. Dose mit einer Verschlussmembran (1) aus Kunststoff, die über einen Solltrennbereich mit dem Dosenkörper verbunden ist, wobei an dem die Dosenöffnung überspannenden Teil (5) der Verschlussmembran (1) einstückig eine Grifflasche (6) angeformt ist, dadurch gekennzeichnet, dass die Verschluss­membran (1) mit der Grifflasche (6) aus einer tiefgezogenen Kunststoffolie besteht, so dass die Grifflasche doppelwan­dig ist.1.Can with a closure membrane (1) made of plastic, which is connected to the can body via a predetermined separation area, a handle tab (6) being integrally formed on the part (5) of the closure membrane (1) spanning the can opening, characterized in that the sealing membrane (1) with the handle tab (6) consists of a deep-drawn plastic film, so that the handle tab is double-walled. 2. Dose nach Anspruch 1, dadurch gekennzeichnet, dass die Grifflasche (6) in einem vertieften Bereich (13) der Ver­schlussmembran (1) angeformt ist.2. Can according to claim 1, characterized in that the grip tab (6) is formed in a recessed area (13) of the closure membrane (1). 3. Dose nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Verschlussmembran (1) durch einen Dosendeckel über­deckt ist und der Grifflappen (6) durch den Dosendeckel auf die Membranfläche niedergebogen ist, so dass er nach Abnehmen des Dosendeckels durch teilweises Zurückfedern eine schräg nach oben gerichtete Position einnimmt.3. Can according to claim 1 or 2, characterized in that the sealing membrane (1) is covered by a can lid and the grip tab (6) is bent down by the can lid on the membrane surface, so that it is inclined by partially springing back after the can lid has been removed takes upward position. 4. Dose nach einem der Ansprüche 1 bis 3, dadurch gekenn­zeichnet, dass die Verschlussmembran (1) eine Foliendicke zwischen 0,2 und 0,4 mm aufweist.4. Box according to one of claims 1 to 3, characterized in that the sealing membrane (1) has a film thickness between 0.2 and 0.4 mm. 5. Dose nach einem der Ansprüche 1 bis 4, dadurch gekenn­zeichnet, dass die Verschlussmembran (1) aus einer Verbund­folie geformt ist.5. Box according to one of claims 1 to 4, characterized in that the sealing membrane (1) is formed from a composite film. 6. Dose nach einem der Ansprüche 1 bis 5, dadurch gekenn­zeichnet, dass in der Verschlussmembran (1) in Abstand von einem einenKantenschutz des Dosenkörpers bildenden Aussen­rand (3) eine umlaufende Schwächungsrille vorgesehen ist.6. Box according to one of claims 1 to 5, characterized in that a circumferential weakening groove is provided in the closure membrane (1) at a distance from an outer edge (3) forming an edge protection of the box body. 7. Dose nach Anspruch 6, dadurch gekennzeichnet, dass die Schwächungsrille im Bereich (4) des Uebergangs zwischen dem die Dosenöffnung überspannenden Teil (5) der Verschlussmembran (1) und einer zylindrischen, am Dosenkörper befestigten Wand (2) der Verschlussmembran (1) angeordnet ist.7. Box according to claim 6, characterized in that the weakening groove in the area (4) of the transition between the the can opening spanning part (5) of the closure membrane (1) and a cylindrical wall (2) of the closure membrane (1) attached to the can body is arranged. 8. Dose nach einem der Ansprüche 1 bis 7, dadurch gekenn­zeichnet, dass mindestens eine Schicht der Membranfolie aus PET besteht.8. Can according to one of claims 1 to 7, characterized in that at least one layer of the membrane film consists of PET. 9. Matrize zur Herstellung der Verschlussmembran (1) der Dose nach Anspruch 1 durch Tiefziehen unter Pressluft, gekenn­zeichnet durch einen zungenförmig senkrecht von der Bodenfläche (12) der Matrize (10) wegstehenden Kernteil (9) zur Tiefzieh­formung des Grifflappens (6) der Verschlussmembran (1).9. die for the production of the closure membrane (1) of the can according to claim 1 by deep drawing under compressed air, characterized by a tongue-shaped perpendicular from the bottom surface (12) of the die (10) protruding core part (9) for deep-drawing the grip tab (6) of the closure membrane (1).
EP88810729A 1987-10-30 1988-10-25 Canister Expired - Lifetime EP0314627B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4259/87A CH673632A5 (en) 1987-10-30 1987-10-30
CH4259/87 1987-10-30

Publications (3)

Publication Number Publication Date
EP0314627A2 true EP0314627A2 (en) 1989-05-03
EP0314627A3 EP0314627A3 (en) 1990-05-16
EP0314627B1 EP0314627B1 (en) 1993-07-14

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ID=4272788

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88810729A Expired - Lifetime EP0314627B1 (en) 1987-10-30 1988-10-25 Canister

Country Status (4)

Country Link
EP (1) EP0314627B1 (en)
CH (1) CH673632A5 (en)
DE (1) DE3882331D1 (en)
ES (1) ES2042798T3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1273581A (en) * 1960-11-09 1961-10-13 Bayer Ag Packaging container with original closure
CH453117A (en) * 1965-07-20 1968-05-31 Max Sandherr Ag Papierdosen U Can closure
US3561668A (en) * 1966-08-23 1971-02-09 Anderson Bros Mfg Co Sealed package

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1273581A (en) * 1960-11-09 1961-10-13 Bayer Ag Packaging container with original closure
CH453117A (en) * 1965-07-20 1968-05-31 Max Sandherr Ag Papierdosen U Can closure
US3561668A (en) * 1966-08-23 1971-02-09 Anderson Bros Mfg Co Sealed package

Also Published As

Publication number Publication date
DE3882331D1 (en) 1993-08-19
CH673632A5 (en) 1990-03-30
EP0314627B1 (en) 1993-07-14
ES2042798T3 (en) 1993-12-16
EP0314627A3 (en) 1990-05-16

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