EP0195149B1 - Récipient avec couvercle - Google Patents

Récipient avec couvercle Download PDF

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Publication number
EP0195149B1
EP0195149B1 EP85301931A EP85301931A EP0195149B1 EP 0195149 B1 EP0195149 B1 EP 0195149B1 EP 85301931 A EP85301931 A EP 85301931A EP 85301931 A EP85301931 A EP 85301931A EP 0195149 B1 EP0195149 B1 EP 0195149B1
Authority
EP
European Patent Office
Prior art keywords
container
closure
locking means
wall
height
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
EP85301931A
Other languages
German (de)
English (en)
Other versions
EP0195149A1 (fr
Inventor
James Moore
Catriona Grigg
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.)
CURVER PACKAGING Ltd
Original Assignee
CURVER PACKAGING Ltd
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 CURVER PACKAGING Ltd filed Critical CURVER PACKAGING Ltd
Priority to DE8585301931T priority Critical patent/DE3575546D1/de
Priority to EP85301931A priority patent/EP0195149B1/fr
Publication of EP0195149A1 publication Critical patent/EP0195149A1/fr
Application granted granted Critical
Publication of EP0195149B1 publication Critical patent/EP0195149B1/fr
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
    • 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
    • B65D2543/00064—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
    • B65D2543/00296—Plastic
    • 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
    • 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
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00648—Flange or lip
    • 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
    • B65D2543/00759—Flange or lip
    • 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 container with a closure both from plastics, the container comprising a bottom and an upright wall, which wall widens at least in its upper region toward a rim, first locking means for securing the closure to the container having been provided on the outside of the upright wall, and the closure possessing an inverted U-shaped groove which can receive the rim and part of the wall, which groove is defined by an inner skirt, an annular closure flange and an outer skirt, the latter being provided with second locking means on its inside, and, with the closure secured to the container, the outside of the inner skirt sealing the container by being tightly wedged against the inside of the container wall, and the second locking means being under the first locking means, and when the first and second locking means engage, the centre part is already sealingly wedged against the container wall along a height "a" of the wedging area, whereas between the rim and the underside of the annular flange there is still a space with a height less than the difference between the height of the wedging area and the height "a".
  • the object of the invention is to improve a container-and-closure of the above-described type, so that the closure is easier to remove, also when the center part of the closure has sunk into the container to the maximum extent.
  • the sealing and closing functions will be independent from each other, to such an extent that even when the center part of the closure has been penetrated to the maximum depth into the container body, it does not impede the bending of the container wall in order to disconnect the closure from the container body.
  • the container-and-closure assembly is designed in such a way that via an inwardly downwardly sloping transition number the inner skirt joins a substantially horizontal closure wall which has been provided with a circumferential vertical flange on its underside, and in that the U-shaped groove has along at least part of its height, from the annular closure flange downwards, a radial width between the inner skirt and the outer skirt which equals a uniform wall thickness of the position of the container wall located above the first locking means.
  • a closure as described above can be injection moulded with a much greater dimensional stability than other known closures.
  • a greater dimensional stability is meant here that the closures ultimately obtained after cooling, have dimensions differing within much narrower limits than usual. This phenomenon could not be predicted, nor can it be explained or calculated.
  • a much greater dimensional stability can be achieved. It has been found that by making the top section of the container equally thick in all places, and not providing beads, flanges or ribs, the process of cooling the mould can be controlled much better and the shrinkage occuring during cooling can be predicted much better, so that, again, dimensional deviations in the containers produced are within much narrower limits.
  • the higher dimensional stability is advantageous in that it permits better definition of the wedging area of the container-and-closure assembly.
  • the groove width and hence the width of the annular closure flange can be small, so that a closure is prevented from being drawn into the container under a load.
  • a wide flange which is drawn into the container exhibits a much higher degree of concave radial flexure, viewed from above, than a narrow flange. This lower degree of flexure of a narrow flange, which is also contributed to by the right angles between the annular cover flange and the two skirts, makes it more difficult for the outer skirt to be drawn over the rim into the container.
  • sink marks are depressions on plastics surfaces formed by shrinkage during cooling when on the other side of the walls thickened spots have been provided.
  • the first locking means can be located at substantially the same level as where the transition between inner skirt and transition member occurs when a closure has been fitted to the container, the components together provide a unique resistance to radial compression of the container, thereby substantially obviating a source of leakage.
  • the first locking means may comprise a rib or flange around the container.
  • the second locking means may comprise a round-going rib on the inside of the outer skirt of the closure.
  • the container and the closure may be made of the same material suitable for injection moulding or from different materials suitable for injection moulding, such as homopolymers of ethylene and propylene, copolymers of ethylene and/or propylene, and mixtures of these (co)polymers.
  • the container according to the invention is eminently suitable as a nestable, single-service packaging bucket for solids, pastes and liquids.
  • the closure 1 in Fig. 1 has a sunk centre part 2, which is composed of an inner skirt 3, which via an inwardly downwardly sloping transition member 4 joins a substantially horizontal closure wall 5, which on its underside has been provided with a circumferential vertical flange 6. Via a right angle, the inner skirt 3 joins an annular closure flange with underside 8, which in turn via a right angle joins the outer skirt 9, which has a portion 10 parallel with the inner skirt 3 and a widened portion 11.
  • second locking means have been provided in the form of a round-going rib 12 with top 13.
  • the groove 14, in the shape of an inverted U, is formed by the components 3, 7 and 9 and possesses a portion 15, from the underside 8 of the annular closure flange 7 downwards, which has a radial width 'd'.
  • the container 16 drawn in Fig. 2 has a bottom 17 and an upright wall 18 which gradually widens towards a rim 19 so that the containers can be nested one in the other.
  • On the outside of the container wall are first locking means in the form of a rib 20 around the container with an underside 21.
  • the wall thickness of the upright wall 18 is 'd' and equals the radial width of part 15 of the U-shaped groove 14 between the inner skirt 3 and the outer skirt 9.
  • the portion of the container wall 18 which is located above the rib 20 has a height which virtually equals the height of the inner skirt 3.
  • the distance 'h1' between the underside 21 of the rib 20 and the rim 19 of the container is smaller than the distance 'h2' in Fig.
  • a line 1 has been drawn on which the wedging height of the wedging area has been indicated as the distance PQ.
  • the distance PR equals 'a'.
  • the height of the space 22 between the rim 19 and the underside 8 of the annular closure flange is smaller than the wedging height PQ minus PR, so that when the centre part has been pushed so far into the container that the underside 8 of the annular flange 7 rests on the rim 19, the centre part 2 is still in the wedging area.
  • the rib 12 has then also disengaged from the rib 20, as drawn in Fig. 4.
  • the closure In use, the closure if fitted to the container in the position according to Fig. 3. If on account of tensile stress in the outer skirt the rib 12 is difficult to pull from under the rib 20, by pressing on the closure the rib 12 can be disengaged from rib 20 so that the preliminaries for removal of the closure are easier to perform.
  • the rib 20 can also be provided in a lower position, as indicated by 20' in Fig. 3.
  • the outer skirt 19 will then have to be adapted accordingly, so that the rib 12 also comes in a lower position; see 12' in Fig. 3.
  • the resulting configuration is indicated by dotted lines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Claims (4)

1. Un récipient (16) avec un couvercle (1) l'un est et l'autre en plastique, le récipient comportant un fond (17) et une paroi verticale (18), ladite paroi s'évasant au moins dans sa région supérieure vers un rebord (19), un premier moyen de verrouillage (20) pour fixer le couvercle (11) au récipient (16) prévu sur la partie extérieure de la paroi verticale (18), le couvercle (1) comportant une gorge (14) en forme d'U renversé qui peut recevoir le rebord (19) et une partie de la paroi (18), ladite gorge (14) étant définie par un jupe intérieure (3), une bride annulaire de couvercle (7) et une jupe extérieure (9), cette dernière comportant un second moyen de verrouillage (12) sur son côté intérieur, et le couvercle (1) étant fixé au récipient (16) le côté extérieur de la jupe intérieure (3) étanchant le récipient (16) et étant fortement coincé contre le côté intérieur de la paroi (18) du récipient, et le second moyen de verrouillage (12) étant situé en-dessous de premier moyen de verrouillage (20) et lorsque le premier et le second moyens de verrouillage sont en prise, le partie centrale (2) est déjà coincée de façon étanche contre la paroi (18) du récipient, sur une hauteur "a" de la zone de coincement, alors qu'entre le rebord (19) et la face inférieure de la bride annulaire (7) demeure encore un espace d'une hauteur inférieure à la différence entre la hauteur de la zone de coincement et la hauteur "a", caractérisé en ce que les angles formés par la bride annulaire (7) de couvercle et les jupes qui y sont reliées, sont sensiblement droits et en ce que la distance entre le rebord (19) du récipient (16) et le premier moyen de verrouillage est égale ou supérieure à la hauteur de la jupe intérieure (3).
2. Un récipient selon la revendication 1, caractérisé en ce que, par l'intermédiaire d'un élément (4) de transition incliné vers l'intérieur et vers le bas, la jupe intérieure (3) est reliée à une paroi (5) sensiblement horizontale comportant une bride verticale (6) circonférencielle sur son côté inférieur, et en ce que la gorge (14) en forme d'U a au moins le long d'une partie (15) de sa hauteur, depuis la bride annulaire du couvercle (7) et vers le bas, une largeur radiale entre la jupe intérieure et la jupe extérieure égale à une épaisseur de paroi uniforme dans la partie de la paroi du récipient située au-dessus du premier moyen de verrouillage.
3. Un récipient suivant la revendication 2 caractérisé en ce que le premier moyen de verrouillage (20) comporte une collerette prévue autour du récipient (16).
4. Un récipient suivant les revendications 2 ou 3 caractérisé en ce que le second moyen de verrouillage (12) comporte un collerette prévue sur le côté intérieure de la jupe extérieure (9).
EP85301931A 1985-03-20 1985-03-20 Récipient avec couvercle Expired - Lifetime EP0195149B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE8585301931T DE3575546D1 (de) 1985-03-20 1985-03-20 Behaelter mit deckel.
EP85301931A EP0195149B1 (fr) 1985-03-20 1985-03-20 Récipient avec couvercle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85301931A EP0195149B1 (fr) 1985-03-20 1985-03-20 Récipient avec couvercle

Publications (2)

Publication Number Publication Date
EP0195149A1 EP0195149A1 (fr) 1986-09-24
EP0195149B1 true EP0195149B1 (fr) 1990-01-24

Family

ID=8194176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85301931A Expired - Lifetime EP0195149B1 (fr) 1985-03-20 1985-03-20 Récipient avec couvercle

Country Status (2)

Country Link
EP (1) EP0195149B1 (fr)
DE (1) DE3575546D1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20009326U1 (de) * 2000-05-24 2001-09-27 ebm Werke GmbH & Co., 74673 Mulfingen Rastverbindung für ein Spiralgehäuse
DE102009006824B4 (de) * 2009-01-30 2018-12-20 Peter Rösler Verschlusskörper für eine hülsenförmige, dünnwandige Verpackung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165020A (en) * 1978-07-17 1979-08-21 Polysar Resins, Inc. Closures and container assemblies

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618802A (en) * 1970-01-26 1971-11-09 Growth International Ind Corp Distortion preventer
US3809284A (en) * 1972-02-03 1974-05-07 Vulcan Plastics Inc Reusable plastic snap-on closure
US4117946A (en) * 1976-11-15 1978-10-03 Milton Kessler Plastic cap for widemouthed containers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165020A (en) * 1978-07-17 1979-08-21 Polysar Resins, Inc. Closures and container assemblies

Also Published As

Publication number Publication date
DE3575546D1 (de) 1990-03-01
EP0195149A1 (fr) 1986-09-24

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