EP0108701B1 - Behälter mit durch Umbördeln befestigtem Boden und/oder Deckel und Verfahren zu seiner Herstellung - Google Patents

Behälter mit durch Umbördeln befestigtem Boden und/oder Deckel und Verfahren zu seiner Herstellung Download PDF

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Publication number
EP0108701B1
EP0108701B1 EP83440052A EP83440052A EP0108701B1 EP 0108701 B1 EP0108701 B1 EP 0108701B1 EP 83440052 A EP83440052 A EP 83440052A EP 83440052 A EP83440052 A EP 83440052A EP 0108701 B1 EP0108701 B1 EP 0108701B1
Authority
EP
European Patent Office
Prior art keywords
tubular body
annular rim
container
lid
collar
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
Application number
EP83440052A
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English (en)
French (fr)
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EP0108701A1 (de
Inventor
Georges Sireix
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT83440052T priority Critical patent/ATE20224T1/de
Publication of EP0108701A1 publication Critical patent/EP0108701A1/de
Application granted granted Critical
Publication of EP0108701B1 publication Critical patent/EP0108701B1/de
Expired 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
    • B65D15/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/04—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper
    • B65D15/06—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper with end walls made of metal

Definitions

  • the invention relates, on the one hand, to a container with a bottom and / or a crimped lid, in particular a packaging box for food, chemical, industrial or other products, in particular for pressurized products or products requiring heat treatment such as that pasteurization or sterilization and formed of a hollow tubular composite body, of a bottom and / or of a cover composed of a shutter flange, of a collar and of an annular rim folded over the periphery of the ends of the body hollow tubular, said container further comprising a hot-melt connection for fixing the bottom and / or the cover, extending over the entire height of the collar, spanning the upper and / or lower edges of the hollow tubular body and covering the ends of the latter of a height corresponding to the height of the folded end of the annular rim of the bottom and / or of the cover, and on the other hand, a method of manufacturing this container.
  • Document FR-A-2 473 994 already discloses an improved composite container and its manufacturing process.
  • the cylindrical body of the container is formed of a composite structure in which a structural material is sandwiched between two polypropylene films.
  • a hermetic seal is placed between the body and the cover by the addition of materials arranged along the crimping zone.
  • Document US-A-4,270,475 also discloses a process for forming containers with smooth edges.
  • a cover is used whose rim is slightly smaller in diameter than that of the cylindrical body of the container.
  • a crimping with double folding of the cover is then carried out, which makes it possible to fold the ends of the cylindrical body of the container slightly inwards so that the container provided with its cover has a smooth wall.
  • the container body is formed of a layer of spiral cardboard covered in its internal part with a plastic film.
  • Document US-A-2 986 319 discloses an aerated container and its manufacturing process. According to this process, the container, intended to allow the internal gases to escape, is composed of a cylindrical body coated in its internal part with a waterproof film. However, when the cover is placed on the body of the container, a layer of porous materials is inserted between the two parts.
  • Document FR-A-2 320 867 discloses a thin-walled container with a crimped lid and the method for producing this container. For this purpose, a sealing material is placed between the cover and the body of the container. The lid crimps on its periphery a double fold and is folded against the end wall of the container.
  • a container of the type set out in the preamble of claim 1 comprises a composite tubular body, a cover and a bottom and a hot-melt connection interposed between said cover and / or bottom and the tubular body for fixing thereto, the container described in this document being able to receive liquids to be sterilized.
  • this packaging requires the presence of an annular reinforcement located in the vicinity of the ends of the tubular body and being in the form of a protruding bead.
  • the present invention aims to remedy these drawbacks.
  • the invention solves the problem of creating containers formed of a composite hollow tubular body and a bottom and / or lid of which the connections between said body and the bottom and / or the cover resist both internal pressure and relatively high external pressure. Furthermore, these containers are devoid of any protruding bead at the location of said connections, which makes it possible to attach the bodies of the containers and, thus, to gain storage volume and to increase the stability of a stack of containers. superimposed.
  • connection between the hollow tubular body and the bottom and / or the cover is consolidated, thus making it possible to annihilate practically any deformation and / or tearing of the bottom and / or the cover under the effect of external or internal pressure while increasing the tightness of the container, on the one hand, vis-à-vis a liquid content under pressure and, on the other hand, vis-à-vis atmospheric agents external.
  • the container for products under relatively high pressure such as beer, sparkling water and the like or for products requiring heat treatment for pasteurization or sterilization of the content.
  • the container 1 comprises a hollow tubular body 2 of any cross section, for example circular, polygonal or the like.
  • This hollow tubular body 2 is closed at one of its ends 3 with a bottom 4 and at the other end 5 with a cover 6.
  • the bottom 4 and the cover 6 are practically of the same constitution, except that the cover 6 may include an opening means for extracting the content.
  • the content can be any, for example food, chemical, industrial or other products in the form of granules, powders, liquids or gases, products under pressure or products requiring heat treatment such as pasteurization and / or sterilization.
  • said end 3 or 5 is given a flared neck 15.
  • the bottom 4 and / or the cover 6 are formed by a shutter flange 16, a flange 17 connected by a rounded 18 to said shutter flange 16 and an annular flange 19 connected to the flange 17 by a rounded 20 and formed a flat part 21 and an end 22 slightly curved downwards.
  • the collar 17 has a tapered cartaine to facilitate the introduction of the bottom 4 and / or of the cover 6 into the flared neck 15 produced at the ends 3 and 5 of the hollow tubular body 2.
  • the shutter flange 16 When the bottom 4 or the cover 6 is intended for a container containing a product under pressure, the shutter flange 16 has a convex bending 23 (see FIG. 4). In the case of a beer, the pressure can reach 6.5 bars for a temperature of the order of 65 degrees Celsius.
  • the flange shutter 16 is plane.
  • the heat treatment resulting in a certain expansion of the shutter flange 16 " there are provided in the latter bosses in the form of concentric waves 24, 25 whose voids 26, 27 allow the expansions of the shutter flange 16 1 to be absorbed ( see figure 5).
  • the shape of the bottom 4 or of the cover 6 is obtained by stamping or by any other means making it possible to obtain a bottom 4 and / or a cover 6 adapted to the shape of the section of the hollow tubular body 2.
  • the bottom 4 or the cover 6 is formed of a strip 28 whose internal face 29 in contact with the contents is covered with a food resin 30.
  • the bottom 4 or the cover 6 is provided with a hot-melt film 31 applied to the food resin 30.
  • This hot-melt film 31 extends over the entire height of the flange 17 and on the lower face 32 of the flat part 21 of the annular rim 19 up to the edge 33 of the end curved 22.
  • the hot-melt connection between the hollow tubular body 2 and the bottom 4 or the cover 6 depends essentially on the size of the height of the flange 17.
  • connection can be consolidated by a seal 34 arranged in the internal corner 35 formed by the flange 17 and the flat part 21 of the annular rim 19.
  • This seal 34 applied to the hot-melt film 31 extends over a certain length 36 of the flat part 21 of the annular rim 19 and over a certain height 37 of the flange 17.
  • the height 37 is greater than the length 36.
  • the pre-crimping is followed either by a final crimping, or a final die-stamping.
  • the flange 17 of the bottom 4 and / or of the cover 6 is straightened so that it is applied entirely against the internal face 39 of the hollow tubular body 2 while the lower face 32 of the flat part 21 of the annular rim 19 is applied against the edge 38 of the flared neck 15 and, on the other hand, the flared neck 15 itself to tilt it towards the central axis of the hollow tubular body 2.
  • the curved end 22 of the annular rim 19 of the bottom 4 or of the cover 6 intimately marries the external face 40 of the neck 15 so that the edge 33 of the annular rim 19 is encrusted in the outer periphery 11 of the hollow tubular body 2, that is to say that this outer periphery 11 undergoes local crushing defining a peripheral groove inside which the edge 33 of the annular rim 19 engages.
  • the outer periphery of fixing 7, 8 of the bottom 4 or of the cover 6 is located recessed with respect to u outer periphery 11 of the hollow tubular body 2.
  • the external fixing periphery 7, 8 of the bottom 4 or of the cover 6 is in the same vertical plane 9, 10 as the external periphery 11 of the hollow tubular body 2 and the flared neck 15 is erased and is located in the extension of the hollow tubular body 2.
  • the hot-melt film 31 is welded, this welding being able to be carried out by conduction, high-frequency, ultrasound, by laser or by mechanical means such as heating knobs , swivel wheels or the like.
  • the first zone 41 acting against humidity and representing a tear resistance of the order of 15% relative to the total resistance is located at the end 3, 5 of the hollow body 2
  • the second zone 42 representing a tear resistance of the order of 5% relative to the total resistance is located on the edge 38 of the hollow body 2
  • the third zone 43 relates to the seal and it is formed by the seal 34 and the fourth zone 44 representing a tear resistance of the order of 80% relative to the total resistance is located at l location of the collar 17.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • Table Devices Or Equipment (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Closures For Containers (AREA)

Claims (11)

1. Behälter mit durch Umbördeln befestigtem Boden und/oder Deckel, insbesondere Verpackungsschachtel für Nahrungsmittel und Erzeugnisse der Chemie und Industrie oder dgl. sowie insbesondere für Produkte, die unter Druck stehen oder die einer Wärmebehandlung z.B. einer Pasteurisierung oder Sterilisierung ausgesetzt werden sollen, bestehend aus einem zusammengesetzten Röhrenkörper (2), einem Boden (4) und/oder einem Deckel, die einen Verschlussflansch (16), einen Kragen (17) und eine ringförmige Einfassung (19) aufweisen, die um den äusseren Umfang der Enden (3) und (5) des Röhrenkörpers (2) umgeschlagen ist, der darüber hinaus eine für die Befestigung des Bodens (4) und/oder des Deckels (6) vorgesehene wärmeschmelzende Verbindung (31) aufweist, die sich über die gesamte Höhe des Kragens (17) erstreckt, die obere und/oder untere Kante (38) des Röhrenkörpers (2) übergreift und dessen Enden in einer Höhe abdeckt, die der Höhe des umgeschlagenen Endes (22) der ringförmigen Einfassung des Bodens (4) und/oder Deckels (6) entspricht, dadurch gekennzeichnet, dass die ringförmige Einfassung (19) des Bodens (4) und/oder Deckels
(6) einen gegenüber dem äusseren Umfang (11) des Röhrenkörpers (2) zurückversetzten äusseren Umfang (8) besitzt, wobei die Kante (33) der ringförmigen Einfassung (19) in eine Umfangsrille greift, so dass durch die ringförmige Einfassung (19) der äussere Umfang (11) des Röhrenkörpers (2) örtlich flachgedrückt wird.
2. Behälter nach Anspruch 1, dadurch gekennzeichnet, dass als Verbindung (31) ein wärmeschmelzender Film verwendet wird, der auf dem Harzträger (30) aufgetragen ist, der die mit dem Inhalt in Kontakt stehende Innenseite (29) des den Boden (4) und/oder Deckel (6) bildenden Einbands (28), wobei sich der wärmeschmelzende Film (31) über die gesamte Höhe des Kragens (17) und über die Innenseite (32) der ringförmigen Einfassung (19) bis zu deren Kante erstreckt.
3. Behälter nach Anspruch 1, dadurch gekennzeichnet, dass der Boden (4) und/oder Deckel (6) eine Dichtung (34) aufweist, die in der vom Kragen (17) und der ringförmigen Einfassung (19) gebildeten Innenecke (35) liegt und am wärmeschmelzenden Film (31) anliegt, wobei sich die Dichtung (34) über eine bestimmte Breite (36) auf der ringförmigen Einfassung (19) und über eine bestimmte Höhe (37) auf dem Kragen (17) erstreckt.
4. Behälter nach Anspruch 3, dadurch gekennzeichnet, dass die Dichtung (34) von grösserer Höhe als Breite ist.
5. Behälter nach Anspruch 1, dadurch gekennzeichnet, dass er nach dem Umbördeln zwischen dem Rohrkörper (2) und dem Boden (4) und/oder Deckel (6) vier Zonen gegenseitiger Beeinflussung aufweist.
6. Behälter nach Anspruch 5, dadurch gekennzeichnet, dass die erste Zone (41), durch die die Feuchtigkeit abgewehrt wird und die eine gegen Herausreissen wirkende Widerstandskraft aufweist, die etwa 15% der gesamten Widerstandskraft gegen das Herausreissen entspricht, am äusseren Ende (3, 4) des Körpers (2) liegt.
7. Behälter nach Anspruch 5, dadurch gekennzeichnet, dass die zweite Zone (42), die eine gegen Herausreissen wirkende Widerstandskraft aufweist, die etwa 5% der gesamten Widerstandskraft gegen das Herausreissen entspricht, auf der Kante (38) des Röhrenkörpers (2) liegt.
8. Behälter nach Anspruch 5, dadurch gekennzeichnet, dass die dritte Zone (43) am Sitz der Dichtung (34) liegt.
9. Behälter nach Anspruch 5, dadurch gekennzeichnet, dass die vierte Zone (44), die eine gegen Herausreissen wirkende Widerstandskraft aufweist, die etwa 80% der gesamten Widerstandskraft gegen das Herausreissen entspricht, am Sitz des Kragens (17) liegt.
10. Verfahren zur Herstellung eines Behälters nach Anspruch 1, insbesondere zum Festlegen durch Umbördeln oder Verformen eines Bodens und/oder eines Deckels auf einem Röhrenkörper, dadurch gekennzeichnet, dass an zumindest einem der Enden (3, 5) des Röhrenkörpers (2) ein konisch erweiterter Hals (15) gebildet wird, dass die Innenseite (29) des Einbands (28) mit einem Harzträger (30) beschichtet wird, dass der Einband (28) mit einer Tiefung versehen wird, um einen Boden (4) und/oder Deckel (6) zu ergeben, die der Querschnittsform des Röhrenkörpers (2) angepasst sind und einen Verschlussflansch (16), einen Kragen (17) und eine ringförmige Einfassung (19) darstellen, dass auf dem Harzträger (30) in Höhe der Aussenseite des Kragens (17) und der Innenseite (32) der ringförmigen Einfassung (19) ein wärmeschmelzender Film (31) aufgetragen wird, dass in der aus dem Kragen (17) und der ringörmigen Einfassung (19) gebildeten Innenecke (35) eine Dichtung (34) eingesetzt wird, dass der Kragen (17) in den konisch erweiterten Hals des Röhrenkörpers (2) eingeführt wird, und dass hiernach die Befestigung des Bodens (4) und/oder Deckels (6) dadurch vorgenommen wird, dass die Kante (33) der ringförmigen Einfassung (19) zum Eingreifen in eine Umfangsrille gebracht wird, so dass durch die ringförmige Einfassung der äussere Umfang (11) des Röhrenkörpers (2) örtlich flachgedrückt wird, wobei die Befestigung derart durchgeführt wird, dass die ringförmige Einfassung (19) einen äusseren Umfang hat, der gegenüber dem äusseren Umfang des Röhrenkörpers (2) zurückversetzt ist.
EP83440052A 1982-11-08 1983-10-19 Behälter mit durch Umbördeln befestigtem Boden und/oder Deckel und Verfahren zu seiner Herstellung Expired EP0108701B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83440052T ATE20224T1 (de) 1982-11-08 1983-10-19 Behaelter mit durch umboerdeln befestigtem boden und/oder deckel und verfahren zu seiner herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8218837A FR2535684B1 (fr) 1982-11-08 1982-11-08 Contenant a fond et/ou a couvercle sertis et son procede de fabrication
FR8218837 1982-11-08

Publications (2)

Publication Number Publication Date
EP0108701A1 EP0108701A1 (de) 1984-05-16
EP0108701B1 true EP0108701B1 (de) 1986-06-04

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ID=9279058

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83440052A Expired EP0108701B1 (de) 1982-11-08 1983-10-19 Behälter mit durch Umbördeln befestigtem Boden und/oder Deckel und Verfahren zu seiner Herstellung

Country Status (5)

Country Link
EP (1) EP0108701B1 (de)
JP (1) JPS59103835A (de)
AT (1) ATE20224T1 (de)
DE (1) DE3363950D1 (de)
FR (1) FR2535684B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9023445B2 (en) 2011-10-14 2015-05-05 Kellogg North America Company Composite containers for storing perishable products

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716175A1 (fr) * 1994-02-17 1995-08-18 Villefranche Sa Cartonnages Te Emballage nouveau destiné au conditionnement d'une bouteille, et procédé de fabrication dudit emballage.
DE4446393C1 (de) 1994-12-23 1995-12-21 Schmalbach Lubeca Compound-Dip-Verfahren für Metalldosen
AU2002215855A1 (en) * 2000-11-17 2002-05-27 Ball Packaging Europe Gmbh Long term stability of fillings in a two piece beverage container

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2306255A (en) * 1940-10-22 1942-12-22 Hans A Eggers Container structure
US2362846A (en) * 1941-09-26 1944-11-14 Continental Can Co Sheet metal container
US2986319A (en) * 1957-10-02 1961-05-30 American Can Co Venting container and method of making same
CH432358A (de) * 1964-10-14 1967-03-15 Hesser Ag Maschf Verpackungsbehälter, insbesondere für Flüssigkeiten
US3580464A (en) * 1969-03-17 1971-05-25 Owens Illinois Inc Hermetically sealed composite container
US3774560A (en) * 1971-08-12 1973-11-27 Nat Can Corp Method of sealing container seams
FR2320867A1 (fr) * 1975-08-11 1977-03-11 American Can Co Recipient a paroi mince a couvercle serti et procede pour le former
CA1133837A (en) * 1978-05-24 1982-10-19 Kazuaki Fukuoka Containers for beverages and the like
US4270475A (en) * 1979-07-19 1981-06-02 Sonoco Products Company Method of forming a flush-sided container
FR2473994A1 (fr) * 1980-01-21 1981-07-24 Owens Illinois Inc Recipient composite perfectionne et son procede de fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9023445B2 (en) 2011-10-14 2015-05-05 Kellogg North America Company Composite containers for storing perishable products

Also Published As

Publication number Publication date
FR2535684A1 (fr) 1984-05-11
JPS59103835A (ja) 1984-06-15
EP0108701A1 (de) 1984-05-16
JPH0236458B2 (de) 1990-08-17
DE3363950D1 (en) 1986-07-10
ATE20224T1 (de) 1986-06-15
FR2535684B1 (fr) 1985-12-06

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