EP0639509B1 - Couvercle embouté en papier et son procédé de fabrication - Google Patents

Couvercle embouté en papier et son procédé de fabrication Download PDF

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Publication number
EP0639509B1
EP0639509B1 EP94112774A EP94112774A EP0639509B1 EP 0639509 B1 EP0639509 B1 EP 0639509B1 EP 94112774 A EP94112774 A EP 94112774A EP 94112774 A EP94112774 A EP 94112774A EP 0639509 B1 EP0639509 B1 EP 0639509B1
Authority
EP
European Patent Office
Prior art keywords
rim
roll
lid
edge
frame
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.)
Revoked
Application number
EP94112774A
Other languages
German (de)
English (en)
Other versions
EP0639509A1 (fr
Inventor
Hermann Sperber
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.)
Rissen Maschinenfabrik GmbH
Original Assignee
Rissen Maschinenfabrik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6495401&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0639509(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rissen Maschinenfabrik GmbH filed Critical Rissen Maschinenfabrik GmbH
Publication of EP0639509A1 publication Critical patent/EP0639509A1/fr
Application granted granted Critical
Publication of EP0639509B1 publication Critical patent/EP0639509B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • 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
    • B65D2543/00027—Stackable lids or covers
    • 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
    • B65D2543/00268—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00527—NO contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00638—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

Definitions

  • the invention relates to a deep-drawn container lid made of flat material such as paper with a main surface and a frame which adjoins the edge thereof and runs essentially transversely to the main surface and encloses the cover opening and which on the inside has an annular projection formed by flanging the frame for locking under an outside edge bead of the container.
  • the edge of the overlapping cover is provided with a fish-hook-like profile, which prevents unauthorized opening.
  • the cover can only be removed after removing this profile along a predetermined breaking line.
  • the frame of the lid has an inwardly directed bead which, when the lid is used repeatedly, is to be releasably locked under the bead of the container. The desired effect can be achieved if the cover is made of plastic film. However, if it is made of paper, it can be expected that the bead will disappear under the influence of changing moisture or rough handling.
  • a food packaging which consists of a container, an overlapping lid and an intermediate lid.
  • the cardboard overlap has an inwardly flared edge of tubular cross section at the opening end of its frame.
  • the overlapping lid serves to fix the intermediate lid, which is arranged in a seat in the upper edge of the container, in position until the container is opened for the first time.
  • the unflanged edge of the overlapping lid engages elastically in an annular groove arranged on the container circumference, while the main surface of the overlapping lid presses the intermediate lid into its seat.
  • only the intermediate lid is used to reclose the lid, and no longer the overlap lid. This would also not be suitable for repeated use, as it would quickly wear out or otherwise be damaged due to the low overall rigidity of the frame.
  • the invention has for its object to provide an overlapping cover made of paper of the type mentioned, which does not have the disadvantages of the prior art mentioned in the first place.
  • the inner ring projection is designed as a roller which is arranged at a distance from the opening edge of the frame, and the inner diameter of the frame in a region remote from the roller and reaching to the opening edge is at least as large as the outer diameter of its portion closer to the main lid surface.
  • a roll in the sense of the invention is a flanging which has a considerable diameter in comparison with the paper thickness and is therefore hollow, as is known in an exemplary embodiment from FR-B-2 208 385 mentioned above. It is essentially closed, i.e. that its free edge again at least almost reaches the inside of the frame from which the flare originates. Since the paper material in the roll has a considerable proportion of material, the cross-sectional profile of which is transverse to that of the frame, it has a good stiffening effect. In addition, it is elastically flexible and can therefore be placed more easily on a container bead. The free cross-sectional end of the roller is expediently glued or sealed to the frame. This increases the stiffening effect and dimensional stability.
  • the difference in diameter between the frame sections according to the invention has the consequence, on the one hand, that the lid is stackable.
  • a kind of step forms between the two sections of the frame, by means of which the frame is stiffened. It is useful that the role is directly connected to the part of the frame that is involved in the formation of this level on the inside. This has a stabilizing effect on the role, as explained in more detail below.
  • an inward-facing roll is flanged on the edge of the frame. This is then shifted inside by forming a long flange in the middle area of the frame. The long flange is then pressed in a region removed from the roll and reaching to the opening edge and stretched to an inner diameter which is larger than the other diameter of the frame.
  • the roller is calibrated axially and / or radially under pressure and heat and is connected to at least one subsequent frame part by sealing.
  • the heat required here can be introduced by the calibration tools or by other heating tools which act from the outside of the frame with paper coated only on the inside.
  • One-sided, in particular sealable coating is sufficient for connecting the roller to the frame.
  • double-sided coated material can also be used.
  • the lid should serve to close the opening of a container which is provided with an edge bead, for example a mouth roll 1.
  • the lid on the inside of its frame has a ring projection 2 which is designed as a roller and which rests elastically engaging under the bead 1 of the container when the lid is pushed onto the container.
  • the lid is characterized in that its outer diameter D 1 is smaller in its upper section than its inner diameter D 2 in its lower section, so that it can be stacked, as shown in FIG.
  • a round cardboard blank 3 (FIG. 1) is assumed, the edge of which is deep-drawn according to FIG. 2 to form a frame 4. Its edge is flanged inwards according to FIG. 3 to form a roll 5.
  • a hot tool can be used to bring the roll to the sealing temperature, or the area 6 on the inside of the frame on which the roll should later lie is heated by hot air. Of course, other heating methods can also be used to bring either the mouth roll or the vicinity of the frame or both to sealing temperature.
  • Area 7, in which the doubled part of the frame lying on the opening side of the roll is later to be located, can also be heated for the purpose of sealing.
  • a long flange 8 is then formed, which leads to the result that the roller is moved into the central region 6 of the frame which is still present.
  • This long flare is then pressed in accordance with FIG. 5 and stretched to form the part 9 of the frame to the larger inner diameter D 2 , as shown in FIG.
  • the frame layers lying on top of each other in area 9 are sealed to one another if their inside coating has previously been heated to the sealing temperature.
  • the roll is calibrated 5
  • Axial calibration of the mouth roller can also be carried out, in particular with regard to its distance from the main surface 11 of the cover. This distance can be essential for the correct grip under a container bead 1. In this axial and / or radial calibration of the mouth roller, it is more closed and - as I said - connected to the frame and thereby solidified.
  • the frame has excellent rigidity. This is due on the one hand in the roller 5 and on the other hand the transition 12 between the areas 9 and 10 of the frame.
  • the roller 5 When the lid is placed on a container, the roller 5 is subject to particular stress in that it is pushed upwards in the drawing as it slides past the opening bulge of the container. While a roller (in the manner of FIG. 5) is connected to an axially parallel frame section, this force can yield a little by deforming the point of its connection to the axially parallel frame section radially inwards, the embodiment according to the invention according to FIG .6 a higher stability because the force in the connection point of the roller to the frame extends approximately in the direction of the transition section 12. This practically precludes compliance with this section.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Claims (4)

  1. Couvercle embouti en matériau plat, comprenant une surface principale et une bordure se rattachant à la périphérie de celle-ci, sensiblement perpendiculaire à la surface principale et entourant l'ouverture du couvercle, qui présente sur sa face intérieure une saillie annulaire formée par le rabattement de la bordure et destinée à s'engager sous une bourrelet marginal extérieur du récipient, caractérisé en ce que la salle annulaire (2) intérieure prend la forme d'un rouleau (5), qui est disposé à distance du bord d'ouverture de la bordure, et le diamètre intérieur (D2) de la bordure (9), dans une région distante du rouleau et s'étendant jusqu'au bord d'ouverture, est au moins égal au diamètre extérieur (D1) de sa partie (10) située plus près de la surface principale (11).
  2. Couvercle selon la revendication 1, caractérisé en ce que le rouleau est collé ou soudé à la bordure.
  3. Couvercle selon la revendication 1, caractérisé en ce que le rouleau (5) se rattache directement à une partie de bordure (12) dont la section est orientée vers l'extérieur à partir du rouleau, et qui s'appuie, dans la direction de la surface principale (11) du couvercle, contre un gradin de la couche extérieure de la bordure.
  4. Procédé de fabrication d'un couvercle en matériau plat pouvant être thermosoudé, tel que du papier, dans lequel une bande située au bord d'une pièce découpée est emboutie pour former une bordure et l'extrémité de la bordure est rabattue afin de former une salle annulaire intérieure, caractérisé en ce qu'il comporte les étapes suivantes consistant à :
    - former un rouleau qui soit orienté vers l'intérieur, sur le côté de la bordure ;
    - amener le rouleau dans la partie médiane intérieure de la bordure pour former un rebord allongé ;
    - comprimer le rebord allongé dans une région distante du rouleau et s'étendant jusqu'au bord de l'ouverture, puis l'étirer jusqu'à obtenir un diamètre intérieur plus grand que le diamètre extérieur de la bordure ;
    - comprimer le rouleau dans le sens axial et/ou radial sous l'action de la pression et de la chaleur puis le calibrer éventuellement, et ensuite le souder sur au moins une partie de bordure contigüe.
EP94112774A 1993-08-17 1994-08-16 Couvercle embouté en papier et son procédé de fabrication Revoked EP0639509B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4327657 1993-08-17
DE4327657A DE4327657A1 (de) 1993-08-17 1993-08-17 Tiefgezogener Behälterdeckel aus Papier und Verfahren zu seiner Herstellung

Publications (2)

Publication Number Publication Date
EP0639509A1 EP0639509A1 (fr) 1995-02-22
EP0639509B1 true EP0639509B1 (fr) 1997-12-29

Family

ID=6495401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94112774A Revoked EP0639509B1 (fr) 1993-08-17 1994-08-16 Couvercle embouté en papier et son procédé de fabrication

Country Status (2)

Country Link
EP (1) EP0639509B1 (fr)
DE (2) DE4327657A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29518831U1 (de) * 1995-11-28 1996-02-22 Verpackungswerk Colordruck W. Mack GmbH & Co. KG, 72270 Baiersbronn Kartonverpackung und Verschluß für eine Kartonverpackung
DE202004008076U1 (de) * 2004-05-19 2005-10-06 Seda S.P.A., Arzano Manipulationssicherer Deckel
SE1051342A1 (sv) * 2010-12-17 2012-06-18 Aa & R Carton Lund Ab Stapelbart kartonglock
DE102012104683B4 (de) * 2012-05-30 2019-06-13 Paccor International Gmbh Deckel und Verfahren zu seiner Herstellung
EP2674369B1 (fr) * 2012-06-13 2022-08-17 Michael Hörauf Maschinenfabrik GmbH u. Co. KG Couvercle en plusieurs parties constitué d'un matériau papier et procédé de fabrication d'un couvercle en plusieurs parties
DE102012216631A1 (de) 2012-06-13 2013-12-19 Michael Hörauf Maschinenfabrik GmbH & Co. KG Mehrteiliger Deckel aus einem Papiermaterial und Verfahren zum Herstellen eines mehrteiligen Deckels
EP3403944B1 (fr) 2017-04-21 2023-09-20 Huhtamäki Oyj Couvercle de papier pour un conteneur
GR1010542B (el) * 2022-06-24 2023-09-14 Πλαστικα Θρακης Pack Ανωνυμη Βιομηχανικη Εμπορικη Εταιρεια, Χαρτινο καπακι για σκευος ροφηματος

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960583A (fr) * 1950-04-20
DE903542C (de) * 1940-02-06 1954-02-08 Otto Stelzig Dose mit Kippdeckel
DE2257740A1 (de) * 1972-11-24 1974-06-12 Zach Verpackungen Verpackung fuer lebensmittel
GB2059400B (en) * 1979-10-04 1984-09-05 Metal Box Co Ltd Container with protective ring round its mouth
SU1511176A1 (ru) * 1986-03-05 1989-09-30 Одесский технологический институт пищевой промышленности им.М.В.Ломоносова Затвор дл стекл нных банок с буртиком
DE9006899U1 (de) * 1989-09-09 1990-08-30 Markhorst Holland B.V., Hardenberg Deckel
EP0459017B1 (fr) * 1990-05-29 1993-11-18 Markhorst Holland B.V. Procédé adapté à la fabrication d'une fermeture en papier

Also Published As

Publication number Publication date
DE4327657A1 (de) 1995-02-23
EP0639509A1 (fr) 1995-02-22
DE59404871D1 (de) 1998-02-05

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