EP3356246B1 - Récipient emboîtable - Google Patents

Récipient emboîtable Download PDF

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Publication number
EP3356246B1
EP3356246B1 EP15775669.3A EP15775669A EP3356246B1 EP 3356246 B1 EP3356246 B1 EP 3356246B1 EP 15775669 A EP15775669 A EP 15775669A EP 3356246 B1 EP3356246 B1 EP 3356246B1
Authority
EP
European Patent Office
Prior art keywords
container
side wall
protrusions
nestable
nestable container
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.)
Active
Application number
EP15775669.3A
Other languages
German (de)
English (en)
Other versions
EP3356246A1 (fr
Inventor
Diederik HOORENS VAN HEYNINGEN
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.)
Greif International Holding BV
Original Assignee
Greif International Holding BV
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 Greif International Holding BV filed Critical Greif International Holding BV
Priority to PT157756693T priority Critical patent/PT3356246T/pt
Publication of EP3356246A1 publication Critical patent/EP3356246A1/fr
Application granted granted Critical
Publication of EP3356246B1 publication Critical patent/EP3356246B1/fr
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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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0233—Nestable containers

Definitions

  • the present invention relates to a nestable container and in particular but not exclusively to frusto-conical, metal containers that are configured to nest when empty but that are capable of being stacked when filled.
  • the container In order to allow frusto-conical containers to be nested so that they can be readily separated the container is usually provided with a nesting bead.
  • This bead is a continuous annular protrusion or projecting flute that is formed around the circumference of the side wall of the container a predetermined distance from its upper rim. The bead facilitates separation of two nested containers by preventing the inner container from nesting completely within the outer as the inner container can only slide into the outer container until its annular bead contacts an upper rim or lip, known as a body curl in this field, of the outer container. This enables the two containers to be separated easily without distortion.
  • the bead reduces the load-bearing capacity of the side wall of the container above the bead.
  • a balance has to be struck because increasing the thickness of the metal from which the container is made to make the container stronger increases both the weight and the cost of the container.
  • GB2075462 discloses a metal container with a perimeter bead formed in its side wall.
  • An aim of the present invention is to provide a nestable container, in particular one fabricated from sheet metal that overcomes or substantially mitigates the aforementioned stacking problems.
  • a nestable container having a side wall, characterized in that it is in the form of a frusto-conical drum with a body curl defined by a rolled top edge and in that the side wall is provided with a plurality of discrete protrusions spaced around a perimeter of the side wall's outer surface.
  • the protrusions comprise dimples pressed outwardly from the side wall.
  • the side wall comprises an annular bead or annular bead portions that are located between the lower edges of the protrusions and the body curl of the container and that are shallower than the protrusions.
  • the container is fabricated from sheet metal that is 0.5mm or more in thickness and advantageously comprises a one-piece or two-piece, frusto-conical drum.
  • a nestable container 1 in accordance with the present invention comprises a side wall 2 that defines a body curl 3, provided with a rolled edge or lip as shown in Figs. 1 and 5 , and that is connected to a base 4.
  • a container 1 may be fabricated from sheet metal, such as rolled sheet steel, that is 0.5mm or more in thickness and is preferably between 0.5 mm and 0.9mm thick. With these techniques, however, it is possible that containers 1 may be fabricated from sheet metal that is below 0.5mm in thickness.
  • the container 1 is in the form of a frusto-conical drum with a body curl 3 defined by a rolled top edge.
  • the side wall 2 is provided with a plurality of discrete protrusions 5 that are spaced around a perimeter of the side wall's outer surface.
  • the protrusions 5 are preferably identical, evenly spaced and have lower edges 6 located a fixed distance H from the body curl 3, that is the protrusion are all arranged at the same height above the base 4 around the side wall 2.
  • the container 1 is made in a one piece or two piece construction and the protrusions 5 comprise dimples that have been pressed outwardly from the side wall 2 to a predetermined depth D, as shown in Fig. 2b . It will be appreciated that this is readily accomplished when the container 1 is made from a pressable material such as sheet metal and is a cost effective method of providing the protrusions 5.
  • the distance H should be the same for all of the protrusions 5 to ensure even nesting but it will be appreciated that the height H and size of the protrusions 5, in particular the depth D to which they protrude from the outer surface of the side wall 2 is determined by the size of the container 1 and the angle that the side walls 2 make with the base 4.
  • the depth D of each protrusion 5 is at least 4 mm, which is a little less, but still comparable with, that of the annular bead used in conventional containers.
  • the depth D of each protrusion 5 is only limited by the need to stop the nestable containers 1 from being fully nested and becoming stuck.
  • each protrusion 5 is preferably one that defines a lower edge 6 which provides a ledge that can bear on the body curl 3 of an outer container 1 when nested rather than being in the form of a point.
  • the shape of the protrusion 5 is not critical and many different shapes are possible.
  • each protrusion 5 has a peripheral shape that is substantially trapezoidal or rectangular and has a cross-sectional profile that is in the shape of half of a teardrop as shown in Figs. 2a and 2b respectively. Such a shape can be readily stamped or pressed into the sheet metal from which the wall 2 of the container 1 may be made.
  • Each such protrusion 5 preferably has a longitudinal axis orientated upwardly with respect to the container 1, that is substantially in line with the longitudinal axis of the container as shown in Fig. 1 and schematically in Fig. 3 .
  • each protrusion 5 it is also possible for each protrusion 5 to have its longitudinal axis perpendicular to the longitudinal axis of the container and aligned with a ring around the perimeter of the outer wall surface on which it is formed, as shown schematically in Fig. 4 .
  • a second embodiment of container 10 is shown in Fig. 5 .
  • This is similar to the first embodiment of container 1 in that a plurality of protrusions 11 is spaced around the perimeter of its side wall 12.
  • the side wall 12 comprises an annular bead 13 that is located between lower edges 14 of the protrusions 11 and a body curl 15 of the container 10.
  • the maximum depth of the bead 13 is shallower than the depth D of the protrusions 11.
  • the bead 13 intersects the protrusions 11 so that bead portions link the protrusions 11 rather than the bead 13 being located above the protrusions and closer to the body curl 15.
  • the bead 13 may be continuous or interrupted by the protrusions 11 dependent on the shape and depth of the protrusions 11 at the regions where the two intersect.
  • the annular bead 13 is preferably pressed outwardly from the side wall 12 when the container 1 is made from a pressable material such as sheet metal.
  • the bead 13 preferably has a part-circular cross-sectional profile and projects by at least 2 mm at its maximum height from the side wall 12.
  • containers 1 with discrete protrusions 5 withstand compression loads better than conventional containers with continuous annular beads because the side wall 2 of the container 1 is geometrically uninterrupted and straight between the base and the rim of the container around most of its periphery between the protrusions 5. This increases the load bearing capability of the side wall 2 and therefore of the container 1 as a whole. Also, when the compression load is such that the container 1 starts to yield it has been found that it does not collapse catastrophically in the same way as a conventional container with a continuous annular bead but retains its integrity therefore making such containers much safer to use. Hence, to provide a container in accordance with the invention with the same compression strength as a conventional container, the wall thickness of the container can be reduced, thereby saving materials and cost.
  • the use of the protrusions 5, 11 enables the containers 1, 10 to be nested more evenly, with a better nesting definition so that they can be more easily separated when required. Also, the use of the protrusions 5, 11 when pressed outwardly from the side wall 2, 12 of the container 1, 10 does not reduce the height of the container 1, 10 to the same extent as a conventional annular bead. This slightly increases the capacity of the container 1, 10 with consequent cost savings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stackable Containers (AREA)

Claims (12)

  1. Récipient emboîtable (1 ; 10) ayant une paroi latérale (2 ; 12), caractérisé en ce qu'il est sous la forme d'un tambour tronconique avec une courbure corporelle (3) définie par une bordure supérieure roulée, et en ce que la paroi latérale (2 ; 12) est dotée d'une pluralité de projections discrètes (5 ; 11) espacées autour d'un périmètre de la surface extérieure de la paroi latérale.
  2. Récipient emboîtable (1 ; 10) selon la revendication 1, caractérisé en ce que les projections (5 ; 11) sont espacées de manière égale autour du périmètre et ont des bordures supérieures (6 ; 14) qui sont à une distance fixe (H) depuis la courbure corporelle (3 ; 15) du récipient (1 ; 10).
  3. Récipient emboîtable (1 ; 10) selon la revendication 1 ou 2, caractérisé en ce que les projections (5 ; 11) comprennent des petites cuvettes pressées vers l'extérieur du récipient (1 ; 10) depuis la paroi latérale (2 ; 12).
  4. Récipient emboîtable (1 ; 10) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que chaque projection (5 ; 11) a une forme périphérique qui est sensiblement trapézoïdale ou rectangulaire.
  5. Récipient emboîtable (1 ; 10) selon la revendication 4, caractérisé en ce que chaque projection (5 ; 11) a un axe longitudinal qui est soit aligné avec l'axe longitudinal du récipient (1 ; 10) soit perpendiculaire à l'axe longitudinal du récipient (1 ; 10).
  6. Récipient emboîtable (1 ; 10) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que chaque projection (5 ; 11) se projette sur au moins 4 mm depuis la paroi latérale (2 ; 12) au niveau de sa profondeur maximum (D) depuis la paroi latérale (2 ; 12).
  7. Récipient emboîtable (1 ; 10) selon la revendication 2, caractérisé en ce que la paroi latérale (2 ; 12) comprend un bourrelet annulaire (13) ou des portions de bourrelet annulaires qui sont situées entre les bordures inférieures (6 ; 14) des projections (5 ; 11) et la courbure corporelle (3 ; 15) du récipient (1 ; 10) et qui sont moins profondes que les projections (5 ; 11).
  8. Récipient emboîtable (1 ; 10) selon la revendication 7, caractérisé en ce que le bourrelet annulaire ou les portions de bourrelet annulaires (13) est ou sont pressé(es) vers l'extérieur depuis la paroi latérale (2 ; 12) du récipient (1 ; 10).
  9. Récipient emboîtable (1 ; 10) selon la revendication 7 ou 8, caractérisé en ce que le bourrelet annulaire ou les portions de bourrelet annulaires (13) ont un profil en section transversale partiellement circulaire.
  10. Récipient emboîtable (1 ; 10) selon l'une quelconque des revendications 7 à 9, caractérisé en ce que le bourrelet annulaire (13) se projette sur au moins 2 mm au niveau de sa hauteur maximum depuis la paroi latérale (2 ; 12).
  11. Récipient emboîtable (1 ; 10) selon l'une quelconque des revendications 1 à 10, caractérisé en ce qu'il est fabriqué à partir d'une tôle métallique qui a une épaisseur de 0,5 mm ou plus.
  12. Récipient emboîtable (1 ; 10) selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'il comprend un tambour tronconique d'une seule pièce.
EP15775669.3A 2015-10-01 2015-10-01 Récipient emboîtable Active EP3356246B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT157756693T PT3356246T (pt) 2015-10-01 2015-10-01 Um recipiente aninhável

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/072652 WO2017054872A1 (fr) 2015-10-01 2015-10-01 Récipient emboîtable

Publications (2)

Publication Number Publication Date
EP3356246A1 EP3356246A1 (fr) 2018-08-08
EP3356246B1 true EP3356246B1 (fr) 2019-12-11

Family

ID=54260740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15775669.3A Active EP3356246B1 (fr) 2015-10-01 2015-10-01 Récipient emboîtable

Country Status (4)

Country Link
EP (1) EP3356246B1 (fr)
ES (1) ES2774043T3 (fr)
PT (1) PT3356246T (fr)
WO (1) WO2017054872A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208631A (en) * 1957-11-29 1965-09-28 Illinois Tool Works Nestable cup
SE8003298L (sv) * 1980-04-30 1981-10-31 Plm Ab Behallare
US6237775B1 (en) * 2000-05-03 2001-05-29 Brett Hatch Stacking food pan with louvered ventilation means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP3356246A1 (fr) 2018-08-08
PT3356246T (pt) 2020-03-04
WO2017054872A1 (fr) 2017-04-06
ES2774043T3 (es) 2020-07-16

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