EP0669177B1 - Metalldose für stürzbaren Inhalt bestehend aus einer Zarge und einem nach Öffnung wiederverschliessbaren Deckel, und Herstellungsverfahren einer solchen Dose - Google Patents

Metalldose für stürzbaren Inhalt bestehend aus einer Zarge und einem nach Öffnung wiederverschliessbaren Deckel, und Herstellungsverfahren einer solchen Dose Download PDF

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Publication number
EP0669177B1
EP0669177B1 EP95400227A EP95400227A EP0669177B1 EP 0669177 B1 EP0669177 B1 EP 0669177B1 EP 95400227 A EP95400227 A EP 95400227A EP 95400227 A EP95400227 A EP 95400227A EP 0669177 B1 EP0669177 B1 EP 0669177B1
Authority
EP
European Patent Office
Prior art keywords
lid
shoulder
rolled edge
wall
heat
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.)
Expired - Lifetime
Application number
EP95400227A
Other languages
English (en)
French (fr)
Other versions
EP0669177A1 (de
Inventor
Gérard Heurteboust
Jean-François Secondé
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.)
Sollac SA
Original Assignee
Sollac SA
Lorraine de Laminage Continu SA SOLLAC
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 Sollac SA, Lorraine de Laminage Continu SA SOLLAC filed Critical Sollac SA
Publication of EP0669177A1 publication Critical patent/EP0669177A1/de
Application granted granted Critical
Publication of EP0669177B1 publication Critical patent/EP0669177B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape
    • B65D7/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal characterised by shape of curved cross-section, e.g. cans of circular or elliptical cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B21D51/2653—Methods or machines for closing cans by applying caps or bottoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/022—Removable lids or covers without integral tamper element secured only by friction or gravity only on the inside, or a part turned to the inside, 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • B65D55/08—Annular elements encircling container necks
    • 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
    • B65D2401/00—Tamper-indicating means
    • 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
    • B65D2543/00259—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

Definitions

  • the present invention relates to a method for manufacturing a metal box according to the preambles of claims 5 or 6, said box being consisting of a box body and a resealable cover after opening, said opening can be obtained without accessories, as well as a box, according to the preamble of claim 1 (see for example EP-A-0 453 573).
  • This type of resealable packaging with a re-adjustable lid after opening is particularly used in the food sector, because it allows partial consumption of the food product it contains and close the box to keep the rest.
  • the cover is commonly called a cover of the "styling” type, that is to say having a side wall in contact with the outer face of the skirt device of the body of the box, or metal packaging whose cover is commonly called “plug” type cover, that is to say having a side wall in contact with the inner face of the skirt device of the body of the box.
  • a ribbon metal is welded on the one hand to the side wall of the cover and on the other hand on the peripheral skirt of the body of the box. This ribbon secures of the cover on the body of the box and constitutes a safety device to ensure that the box has never been opened. It is indeed necessary to remove this metal tape when the first opening of the box.
  • This type of box is mainly used for conditioning of the pâté for example.
  • the manufacture of such a box is generally obtained by rolling and welding of a metal sheet to form a cylindrical skirt.
  • the end of the skirt intended to receive the cover is then axially deformed, so as to define two parts of different diameters, a first part, the diameter of which is the smallest, intended to receive the styling cover, and a second, longer part, the diameter of which is larger, intended to form the body of the box.
  • the end of the second part has a bottom generally crimped, while the end of the first part is rolled towards inside to avoid being hurtful.
  • the cover of such a box has a tubular wall, the outside diameter is substantially equal to the outside diameter of the second part of the skirt forming the body of the box, so that a tape can be welded between the body of the box and its cover.
  • Such a box obtained according to the method described above is relatively expensive and unattractive due to the presence of a weld longitudinal and the high number of operations required to manufacture it.
  • boxes of this type which are known require a very large number of operations for their manufacture.
  • the present invention relates to a metal box for canned food consisting of a body and a "cap" type cover resealable after opening, the opening of which can be obtained without accessory, the contents of which can be easily removed from the mold, either simple, inexpensive manufacturing, requiring only a reduced number of operations.
  • the present invention also relates to a method of manufacture of such a box.
  • the first object is reached, according to, the present invention, by a box metallic, in particular for canned food consisting of a body and at minus a cover, the body comprising a skirt peripheral and an outgoing ledge, characterized in that said protruding rim is fitted, in ascending steps, from the peripheral skirt, a shoulder and a heat-sealing track, in that that the cover consists of a bottom and a tubular wall, of which the free end consists of an outer rolled edge forming a track heat-sealed, and the outer wall of which is in contact with the wall interior of the peripheral skirt of the body, and in that it is provided with a ring for securing the cover to the heat-sealed body on the two so-called heat sealing tracks.
  • the metal box according to the invention as described in FIG. 1, consists of a body 1, a cover 2 at one of its ends and a bottom 11 set at its other end.
  • the bottom 11 set at one end of the body 1 is of the known type, of generally flat shape, possibly provided with stiffening ribs (not represented).
  • the body 1 comprises a skirt 3, cylindrical with an axis X-X of revolution in the embodiment shown.
  • the skirt 3 is provided, at one of its ends, with a flange of crimping 20 intended to cooperate with a crimping rim 21 of the bottom 11.
  • the skirt 3 comprises at the other end an outgoing rim 4 forming an annular collar provided in ascending steps from the skirt 3, a shoulder 5 and a heat-sealing track 6.
  • the outgoing ledge 4 is contained in a plane substantially perpendicular to the axis X-X of revolution of the body.
  • the cover 2 consists of an end wall 7 and a tubular wall 8, the end of which consists of a rolled edge 9 forming a heat-sealing track.
  • the rolled edge 9 can be an outer rolled edge or a rolled edge interior.
  • the dimensions of the body 1 and of the cover 2 are such that the cover 2 can be fitted into the body 1, the outer face of the wall tubular 8 of the cover being in contact with the inner face of the skirt 3 of the body 1, and the rolled edge 9 of the cover 2 being supported on the shoulder 5 of the body 1.
  • the rolled edge 9 is external and the heat-sealing track 6 is formed by a rolled edge outside.
  • the dimensions of the shoulder 5 and the rolled edge forming the heat-sealing track 6 of the body 1 and of the rolled edge 9 of the cover are such that the heat seal tracks formed by the two said rolled edges are contiguous and at the same level.
  • the box is provided with a planar connection ring 10 of the cover 2 on the body 1, heat-sealed on the two heat-sealing tracks formed by the two rolled edges.
  • This ring 10 seals the box according to the invention and constitutes a security element ensuring that said box has not been opened.
  • the securing ring 10 is made of aluminum, made of plastic or a material combining aluminum and material plastic.
  • the rolled edge forming the heat-sealing track 6 and the rolled edge 9 are crushed so to present two faces, respectively 6a, 6b and 9a, 9b planar and substantially parallel, which increases the active surface of the runways heat sealing formed by said rolled edges.
  • the box is consisting of a body 1, a cover 2 and a bottom 11.
  • the cover 2 is provided with an inside rolled edge 9 and the body 1 comprises a skirt 3 provided with an outgoing rim 4 forming an annular collar.
  • the outgoing ledge 4 is provided, in ascending steps from the skirt 3, a shoulder 5, a heat-sealing track 6 and a rolled edge outward 17.
  • the rolled edge 9 of the cover is crushed and the difference in level between the shoulder 5 and the heat-sealing track 6 is substantially equal to the thickness of the crushed rolled edge 9 of the cover.
  • the rolled edge 17 is only a rolled up anti-injury edge.
  • the rolled edge forming the heat-sealing track 6 and the rolled edge 9 can be worked for, in addition to the track function of heat sealing, performing other functions, without departing from the scope of the invention.
  • the rolled edge of the cover can have the general shape of a 8 horizontal crushed, which ensures the function of runway heat-sealing and to avoid any possibility of contact of the product contained in the box thus produced with the cutting edge of said cover.
  • a cylindrical metal box consisting of a body 1 and a complementary cover 2 made in the same metal, we use a metal blank having the shape of a disc (not represented).
  • a metal blank is stamped to form a hollow container 18 in the shape of a bell of thickness substantially constant as shown in Fig. 1.
  • This hollow container 18 has an end wall 7 and a peripheral lateral skirt 12, cylindrical with axis X-X in the example shown, and an external collar 19.
  • the hollow container 18 is separated into two elements 13 and 14 by cutting in a plane P perpendicular to the axis X-X and substantially parallel to the plane containing the end wall 7 of said hollow container 18, as shown in broken lines in FIG. 3.
  • the first element 13 obtained after separation of the hollow container 18 in two elements consists of the end wall 7 and a small part of the peripheral lateral skirt 12 of said hollow container 18, thus forming a tubular wall 8 having an open free end 20.
  • the tubular wall 8 measures between 5 and 20 mm.
  • the second element 14 obtained after separation of the hollow container in two elements consists of the rest of the peripheral side skirt 12 of the hollow container 18 and the outer flange 19. It therefore appears under the shape of a skirt 3, cylindrical with axis X-X in the exemplary embodiment shown, comprising an outer flange 19.
  • a third step we transform the first element 13 as a cover by deforming the tubular wall 8 to reduce its diameter and by shaping the free end 20 of the tubular wall 8 at the rolled edge 9, outside in the embodiment shown in FIG. 5.
  • the diameter of the tubular wall 8 is reduced so that its outside diameter is less than 1 to 5 hundredths of a millimeter inner diameter of the skirt 3.
  • the second element 14 is transformed into a body of box adapted to receive the cover while sparing on the collar exterior 19, in ascending steps from the skirt 3, successively a shoulder 5 and an outwardly rolled edge 17, as shown in the Fig. 6.
  • the shoulder 5 is intended to serve as a support flange at the edge rolled 9 of the cover when it is disposed on the body of the box.
  • the dimensions of the shoulder 5 and of the rolled edge 17 of the body of box 1 and the rolled edge 9 of the cover 2 are adapted so that the rolled edge 9 can be supported on the shoulder 5 when the cover 2 is arranged on the body 1 of the box, and so that the rolled edges respectively 9 and 17 are contiguous and substantially at the same level.
  • the cover 2 is placed on the body 1 of the box, the rolled edge 9 of the cover resting on the shoulder 5 of the body and the cover is secured to the body using an annular tape plan 10 glued or heat sealed.
  • the annular tape 10 for example of aluminum, made of material plastic or a material combining the two, is glued or heat sealed so as to overlap both the rolled edge 9 of the cover and the rolled edge 17 body, to form a peelable security tape.
  • the rolled edges 9 and 17 are crushed in a horizontal plane to form two substantially annular surfaces planes serving as a heat-sealing track for the safety ring, which makes the easier operation of bonding or heat sealing the ribbon 10.
  • the second element 14 in box body forming on the outer flange 19 of the second element 14, in ascending steps from the skirt 3, a shoulder 5, a heat-sealing track 6 and a rolled edge 17.
  • the rolled edge 9 of the cover 2 is crushed in a horizontal plane and the height of said crushed rolled edge 9 is equal to the difference level between the shoulder 5 and the heat-sealing track 6 of the body of the box, so that the upper face of the rolled edge 9 crushed cover 2 and the heat-sealing track 6 of the body 1 of the box are substantially coplanar.
  • a metal blank to form a hollow container 18 in the shape of a bell of thickness substantially constant, as shown in Fig. 7.
  • This hollow container 18 comprises a skirt 3, cylindrical with axis X-X in the example shown, having an open end, comprising a radially outer flange 19.
  • the end of the skirt 3 opposite the flange 19 has a radially inner small annular shoulder 22, from which extends a tubular side wall 8 closed by an end wall 7, circular with axis X-X in the example shown, and offset towards the outside of the skirt relative to the shoulder 22.
  • the hollow container 18 is then separated into two elements 23 and 24 by cutting in a plane P 'perpendicular to the axis X-X and substantially parallel to the plane containing the end wall 7, just above the shoulder 22, as shown in broken lines in FIG. 7.
  • the first element 23 obtained after separation of the hollow container 18 in two elements consists of the end wall 7, the wall tubular 8 and shoulder 22.
  • the second element 24 obtained after separation of the hollow container 18 in two elements, consists of the skirt 3 and the collar 19.
  • the tubular wall 8 measures between 5 and 20 mm.
  • a third step we transform the first element 23 in the cover by conforming the shoulder 22 on the outwardly rolled edge 9, as shown in Fig. 5.
  • the second element 24 is transformed into a body of box adapted to receive the cover by forming on the outer flange 19, in ascending steps from the skirt 3, successively a shoulder 5 and an outwardly rolled edge 17, as shown in FIG. 6.
  • the shoulder 5 is intended to serve as a support flange at the edge rolled 9 of the cover when it is disposed on the body of the box.
  • the dimensions of the shoulder 5 and of the rolled edge 17 of the body of box 1 and the rolled edge 9 of the cover 2 are adapted so that the rolled edge 9 can be supported on the shoulder 5 when the cover 2 is arranged on the body 1 of the box, and so that the rolled edges respectively 9 and 17 are contiguous and substantially at the same level.
  • the cover 2 is placed on the body 1 of the box, the rolled edge 9 of the cover resting on the shoulder 5 of the body and the cover is secured to the body using an annular tape plan 10 glued or heat sealed.
  • the annular tape 10 for example of aluminum, made of material plastic or a material combining the two, is glued or heat sealed so as to overlap both the rolled edge 9 of the cover and the rolled edge 17 body, to form a peelable security tape.
  • the rolled edges 9 and 17 are crushed in a horizontal plane to form two substantially annular surfaces planes serving as a heat-sealing track for the safety ring, which makes the easier operation of bonding or heat sealing the ribbon 10.

Claims (11)

  1. Metalldose, insbesondere für Lebensmittelkonserven, bestehend aus einem Körper (1) und mindestens einem Deckel (2), wobei der Körper (1) einen Mantel (3) und einen nach außen ragenden Rand (4) umfaßt, dadurch gekennzeichnet, daß der nach außen ragende Rand (4) in steigenden Stufen ausgehend von dem Mantel (3) mit einer Schulter (5) und einer Heißsiegelbahn (6) versehen ist, daß der Deckel (2) aus einem Boden (7) und einer rohrförmigen Wand (8) besteht, deren freies Ende aus einem gerollten Rand (9) besteht, der eine Heißsiegelbahn bildet, und dessen Außenwand mit der Innenwand des peripheren Mantels (3) des Körpers (1) in Berührung ist, und daß sie mit einem flachen Ring zum Befestigen (10) des Deckels (2) auf dem Körper (1) versehen ist, der auf die beiden genannten Heißsiegelbahnen (6, 9) aufgeschweißt ist.
  2. Metalldose nach Anspruch 1, dadurch gekennzeichnet, daß der gerollte Rand (9) des Deckels (2) auf der Schulter (5) des Körpers (1) der Dose aufliegt.
  3. Metalldose nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der gerollte Rand (9) des Deckels flachgedrückt ist, so daß er zwei im wesentlichen parallele ebene Seiten (9a, 9b) aufweist.
  4. Metalldose nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Körper (1) an einem seiner Enden mit einem Deckel (2) und an dem anderen Ende mit einem Falzboden (11) versehen ist.
  5. Verfahren zur Herstellung einer Metalldose nach Anspruch 1 bis 4, bei dem man eine Metallscheibe tiefzieht, um einen hohlen Behälter (18) zu formen, der einen Boden (7), einen peripheren seitlichen Mantel (12) und einen radial nach außen ragenden Kragen (19) umfaßt, und das dadurch gekennzeichnet ist, daß es die folgenden Schritte umfaßt:
    man teilt den hohlen Behälter (18) durch Zerschneiden in zwei Elemente, ein erstes Element (13), das aus dem Boden (7) und aus einem kleinen Teil des peripheren seitlichen Mantels (12) des hohlen Behälters (18) besteht, der eine rohrförmige Wand (8) bildet, und ein zweites Element (14), das aus dem restlichen peripheren seitlichen Mantel (12) des hohlen Behälters (18), der einen Mantel (3) bildet, und aus dem Außenkragen (19) besteht,
    man formt das erste Element (13) in einen Deckel um, indem man die rohrförmige Wand (8) so verformt, daß ihr Durchmesser verringert wird, und indem man den freien Rand der rohrförmigen Wand (8) zu einem nach außen gerollten Rand (9) formt, und das zweite Element (14) in einen Dosenkörper, der dafür angepaßt ist, den Deckel aufzunehmen, indem man auf dem Außenkragen (19) in steigenden Stufen ausgehend von dem Mantel (3) eine Schulter (5), die dazu bestimmt ist, als Auflagekragen für den gerollten Rand (9) des Deckels zu dienen, und einen nach außen gerollten Rand (17) bildet,
    man ordnet den Deckel (2) auf dem Körper (1) an, wobei die Außenfläche der rohrförmigen Wand (8) mit der Innenfläche des Mantels (3) des Körpers (1) in Berührung ist und der gerollte Rand (9) auf der Schulter (5) des Körpers aufliegt, und
    man befestigt den Deckel (2) auf dem Körper (1) mittels eines aufgeklebten oder aufgeschweißten flachen ringförmigen Bandes (10).
  6. Verfahren zur Herstellung einer Metalldose nach Anspruch 1 bis 4, bei dem man eine Metallscheibe tiefzieht, um einen hohlen Behälter (18) zu formen, der einen Mantel (3) umfaßt, welcher ein offenes Ende besitzt, das einen radial nach außen ragenden Kragen (19) aufweist, dadurch gekennzeichnet, daß das dem Kragen (19) gegenüberliegende Ende des Mantels (3) eine kleine radial nach innen ragende ringförmige Schulter (22) aufweist, von der eine rohrförmige Seitenwand (8) ausgeht, die durch eine Endwand (7) geschlossen wird und in bezug auf die Schulter (22) zur Außenseite des Mantels (3) hin versetzt ist, und daß es die folgenden Schritte umfaßt:
    man teilt den hohlen Behälter (18) durch Zerschneiden in zwei Elemente, ein erstes Element (23), das aus der Endwand (7), der rohrförmigen Wand (8) und der Schulter (22) besteht, und ein zweites Element (24), das aus dem Mantel (3) und dem Außenkragen (19) besteht,
    man formt das erste Element (23) in einen Deckel um, indem man die Schulter (22) zu einem nach außen gerollten Rand (9) formt, und das zweite Element (24) in einen Dosenkörper, der dafür angepaßt ist, den Deckel aufzunehmen, indem man auf dem Außenkragen (19) in steigenden Stufen ausgehend von dem Mantel (3) eine Schulter (5), die dazu bestimmt ist, als Auflagekragen für den gerollten Rand (9) des Deckels zu dienen, und einen nach außen gerollten Rand (17) bildet,
    man ordnet den Deckel (2) auf dem Körper (1) an, wobei die Außenfläche der rohrförmigen Wand (8) mit der Innenfläche des Mantels (3) des Körpers (1) in Berührung ist und der gerollte Rand (9) des Deckels auf der Schulter (5) des Körpers aufliegt, und
    man befestigt den Deckel (2) auf dem Körper (1) mittels eines aufgeklebten oder aufgeschweißten flachen ringförmigen Bandes (10).
  7. Verfahren zur Herstellung eines Metalldose nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, daß die gerollten Ränder (91 17) des Deckels (2) bzw. des Körpers (1) der Dose flachgedrückt werden, um eine im wesentlichen ebene Fläche zu bilden, die als Heißsiegelbahn für das ringförmige Band (10) dient.
  8. Verfahren zur Herstellung einer Metalldose nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, daß eine Heißsiegelbahn (6) auf dem Körper (1) der Dose zwischen der Schulter (5) und dem gerollten Rand (17) vorgesehen wird.
  9. Verfahren zur Herstellung einer Metalldose nach Anspruch 5 oder 6 und 7, dadurch gekennzeichnet, daß der gerollte Rand (9) des Deckels (2) flachgedrückt wird, um eine im wesentlichen ebene Fläche zu bilden, die als Heißsiegelbahn dient.
  10. Verfahren zur Herstellung einer Metalldose nach Anspruch 5, dadurch gekennzeichnet, daß der Durchmesser der rohrförmigen Wand (8) derart verringert wird, daß ihr Außendurchmesser um 1 bis 5 Hundertstelmillimeter kleiner ist als der Innendurchmesser des Mantels (3).
  11. Verfahren zur Herstellung einer Metalldose nach Anspruch 6, dadurch gekennzeichnet, daß die Abmessung der Schulter (22) um 1 bis 5 Hundertstelmillimeter größer ist als die Stärke des Metalls der Wände des hohlen Behälters (18).
EP95400227A 1994-02-24 1995-02-03 Metalldose für stürzbaren Inhalt bestehend aus einer Zarge und einem nach Öffnung wiederverschliessbaren Deckel, und Herstellungsverfahren einer solchen Dose Expired - Lifetime EP0669177B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402102 1994-02-24
FR9402102A FR2716393B1 (fr) 1994-02-24 1994-02-24 Boite métallique pour contenu démoulable constituée d'un corps et d'un couvercle métallique refermable après ouverture et procédé de fabrication d'une telle boîte.

Publications (2)

Publication Number Publication Date
EP0669177A1 EP0669177A1 (de) 1995-08-30
EP0669177B1 true EP0669177B1 (de) 1998-01-14

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EP95400227A Expired - Lifetime EP0669177B1 (de) 1994-02-24 1995-02-03 Metalldose für stürzbaren Inhalt bestehend aus einer Zarge und einem nach Öffnung wiederverschliessbaren Deckel, und Herstellungsverfahren einer solchen Dose

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EP (1) EP0669177B1 (de)
AT (1) ATE162121T1 (de)
DE (1) DE69501410D1 (de)
FR (1) FR2716393B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3110149B1 (fr) * 2020-05-15 2022-05-20 Trivium Packaging Group Netherlands B V Boîte de conserve métallique comprenant un corps de boîte métallique et un couvercle métallique, assemblés par une languette pelable

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295485A (en) * 1963-12-30 1967-01-03 American Can Co End closure
NL8005402A (nl) * 1980-09-29 1982-04-16 Thomassen & Drijver Werkwijze voor het aan een voorgevormd metalen deksel van een naar buiten uitgestulpte omtreksrand.
WO1991007330A1 (fr) * 1989-11-13 1991-05-30 Sekisui Kagaku Kogyo Kabushiki Kaisha Recipient hermetique et procede de fabrication de ce recipient

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Publication number Publication date
FR2716393A1 (fr) 1995-08-25
EP0669177A1 (de) 1995-08-30
ATE162121T1 (de) 1998-01-15
FR2716393B1 (fr) 1996-04-12
DE69501410D1 (de) 1998-02-19

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