EP0807582A1 - Boîte avec concavités dans la région du tronc - Google Patents

Boîte avec concavités dans la région du tronc Download PDF

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Publication number
EP0807582A1
EP0807582A1 EP97108163A EP97108163A EP0807582A1 EP 0807582 A1 EP0807582 A1 EP 0807582A1 EP 97108163 A EP97108163 A EP 97108163A EP 97108163 A EP97108163 A EP 97108163A EP 0807582 A1 EP0807582 A1 EP 0807582A1
Authority
EP
European Patent Office
Prior art keywords
rows
bulges
metallic
body according
holding elements
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.)
Withdrawn
Application number
EP97108163A
Other languages
German (de)
English (en)
Inventor
Ingo Helass
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.)
Ardagh Metal Packaging Germany GmbH
Original Assignee
Schmalback Lubeca 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
Priority claimed from DE19623859A external-priority patent/DE19623859A1/de
Application filed by Schmalback Lubeca AG filed Critical Schmalback Lubeca AG
Publication of EP0807582A1 publication Critical patent/EP0807582A1/fr
Withdrawn legal-status Critical Current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
    • B65D7/42—Details of metal walls
    • B65D7/44—Reinforcing or strengthening parts or members
    • B65D7/46—Corrugations

Definitions

  • the present invention relates to metal containers such as cans, powdered milk cans, beverage cans or packaging for paints and varnishes, which have a profile of bulges in the trunk area.
  • Cans of the aforementioned type are often provided with depressions, profiles or dents in the scope of their - usually round - side wall (in the fuselage area). This serves to improve the rigidity, so that thinner sheet metal can be used with consistently good stability against deformations. Examples of such cans can be found in DE-OS 29 44 134 and European ones See patent application 91 30 0984.1.
  • DE-OS 25 57 215 discloses a method for bulging thin webs of material, including pipes, with which, for example, honeycomb bulge structures can be achieved.
  • the aforementioned DE-OS 29 44 134 shows a can body with embossments in the manner of a honeycomb pattern.
  • the profiled or bulged metal packaging hulls are disadvantageous in various ways. For example, they cannot be used when labeling the fuselage because sticking the label is problematic. Therefore, they are essentially unsuitable for cans, since the consumer expects a labeled can here. Furthermore, the domed areas are difficult to provide with an aesthetic decoration or the necessary written information, since lettering and images, for example of faces, appear distorted due to the unevenness of the surface.
  • the object of the present invention is to eliminate the above disadvantages and to provide metal packaging such as, for example, tin cans, milk powder cans, beverage cans and the like, and packaging for paints and varnishes that are suitable can easily be stuck with labels and / or allow the possibility of an attractive design of the desired decorative elements and lettering.
  • a metal packaging body with regular bulges in the - often cylindrical - fuselage area which is characterized in that the bulges are interrupted by retaining elements, retaining webs or rows of retaining elements that maintain the original contour of the fuselage.
  • “arching” is to be understood to mean a depression in the fuselage area which is delimited by narrow webs or ribs which maintain the original contour of the fuselage.
  • the bulges will often have the depth that is achieved by "folding" the fuselage sheet between two adjacent narrow webs from the originally convex shape of the packaging container body to the corresponding concave shape.
  • “Holding element” is to be understood to mean a structure of the fuselage which is wider than the webs or ribs between the vaults (which are referred to here as “intermediate webs") and also maintains the original contour of the fuselage.
  • the holding elements can be surrounded by bulges in all directions, but they can also form circumferential rows of holding elements in which the individual holding elements are linked or connected to adjacent holding elements via a corner or a side. In the last-mentioned embodiment, the “holding elements” cannot be recognized as such, since they are arranged next to one another in such a way that they form continuous circumferential holding webs.
  • the can body is designed as follows: in the central region, the bulges are arranged continuously throughout, preferably in at least three regularly arranged circumferential rows of bulges. Closing further in both axial directions external areas in which the bulges are interrupted by the holding elements, holding webs or rows of holding elements mentioned. Outermost areas, in which the vaults are again regularly arranged, can be connected to this further. The arrangement in the middle and in the outer areas can be identical or different.
  • the shape of the dome itself and the shape of the holding elements can be freely selected.
  • Arches and holding elements can have identical or different outlines.
  • the shape can, for example, be square, the curvatures of adjacent circumferential rows usually being offset from one another.
  • Another possible shape is the regular hexagon, which can be used to create honeycomb structures.
  • Other examples are diamond or trapezoidal shape and octagonal structures, as shown in different figures.
  • the ratio of the number of holding elements to the number of concavities can also be freely selected. For example, 1 to 8 to 1 to 1 and in particular 1 to 6 to 1 to 2.
  • the latter area is particularly preferred if the outline shape of the holding elements is identical to that of the convexities.
  • FIGS 1 to 7 represent individual, special embodiments, which are intended to serve for explanation, but to which the invention is in no way limited.
  • FIG. 1 A common design principle is shown in Figure 1 : in the central area of the fuselage, three regular rows of bulges are arranged in the circumferential direction (at least), in the two areas lying adjacent to each other in the axial direction there are holding elements in circumferential rows, which in the example of the figure 1 diamond shape with common corners, while the Arches are arranged like a honeycomb. To the outside towards the edges of the fuselage area there are further rows of vaults.
  • Figures 2 and 5 show configurations in which the holding elements are not designed as a web or row, but are arranged regularly, but isolated from each other. This variant is suitable to provide enough adhesive surface for labels.
  • Figures 3 to 7 show variations in the arrangement of the retaining element rows or retaining webs.
  • the holding elements or webs are drawn with black hatching.
  • the fuselage section shown in FIG. 7 can be designed as follows: the fields 1 or the fields 2 or the fields 3 can be designed as holding elements; as a fourth alternative, for example, at least one row of the fields (1 plus 2) can be designed as a retaining web.
  • two broader webs or rows of holding elements are provided, which are followed by no more than one or two circumferential rows with curvatures in the axial direction towards the bottom or the upper edge of the metal packaging body.
  • the central region preferably comprises three to five rows of circumference.
  • the invention also encompasses material webs or tubes with corresponding bulges from which metal packaging bodies can be produced.
  • the arched structures are produced by known methods, e.g. are mentioned in the writings mentioned at the beginning or in DE OS 44 01 974.
EP97108163A 1996-05-17 1997-05-20 Boîte avec concavités dans la région du tronc Withdrawn EP0807582A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19619979 1996-05-17
DE19619979 1996-05-17
DE19623859 1996-06-14
DE19623859A DE19623859A1 (de) 1996-05-17 1996-06-14 Dose mit Einwölbungen im Rumpfbereich

Publications (1)

Publication Number Publication Date
EP0807582A1 true EP0807582A1 (fr) 1997-11-19

Family

ID=26025798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108163A Withdrawn EP0807582A1 (fr) 1996-05-17 1997-05-20 Boîte avec concavités dans la région du tronc

Country Status (1)

Country Link
EP (1) EP0807582A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2557215A1 (de) * 1975-12-19 1977-06-23 Frank Dipl Ing Dipl Ph Mirtsch Verfahren zur verformung duennwandiger rohr- und duennwandiger behaelterwaende und verwendung derselben
DE2944134A1 (de) * 1979-11-02 1981-05-27 Schmalbach-Lubeca Gmbh, 3300 Braunschweig Zweiteilige konservendose, deren rumpf und boden im abstreck-gleitziehverfahren hergestellt sind
EP0094344A2 (fr) * 1982-05-10 1983-11-16 Cantec, Inc. Fût à parois minces ainsi que l'outil pour faire des ondulations de haute précision
EP0441618A1 (fr) * 1990-02-07 1991-08-14 Toyo Seikan Kaisha Limited Boîte d'emballage
DE4401974A1 (de) * 1993-04-06 1995-07-27 Frank Prof Dr Mirtsch Verfahren und Vorrichtung zur Beulverformung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2557215A1 (de) * 1975-12-19 1977-06-23 Frank Dipl Ing Dipl Ph Mirtsch Verfahren zur verformung duennwandiger rohr- und duennwandiger behaelterwaende und verwendung derselben
DE2944134A1 (de) * 1979-11-02 1981-05-27 Schmalbach-Lubeca Gmbh, 3300 Braunschweig Zweiteilige konservendose, deren rumpf und boden im abstreck-gleitziehverfahren hergestellt sind
EP0094344A2 (fr) * 1982-05-10 1983-11-16 Cantec, Inc. Fût à parois minces ainsi que l'outil pour faire des ondulations de haute précision
EP0441618A1 (fr) * 1990-02-07 1991-08-14 Toyo Seikan Kaisha Limited Boîte d'emballage
DE4401974A1 (de) * 1993-04-06 1995-07-27 Frank Prof Dr Mirtsch Verfahren und Vorrichtung zur Beulverformung

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