EP0456749B1 - Lid for a container - Google Patents

Lid for a container Download PDF

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Publication number
EP0456749B1
EP0456749B1 EP19900903322 EP90903322A EP0456749B1 EP 0456749 B1 EP0456749 B1 EP 0456749B1 EP 19900903322 EP19900903322 EP 19900903322 EP 90903322 A EP90903322 A EP 90903322A EP 0456749 B1 EP0456749 B1 EP 0456749B1
Authority
EP
European Patent Office
Prior art keywords
lid
container
encircling
area
flange
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
EP19900903322
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0456749A1 (en
Inventor
Carsten Lund
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.)
Panther Plast AS
Original Assignee
Panther Plast AS
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 Panther Plast AS filed Critical Panther Plast AS
Priority to AT90903322T priority Critical patent/ATE96752T1/de
Publication of EP0456749A1 publication Critical patent/EP0456749A1/en
Application granted granted Critical
Publication of EP0456749B1 publication Critical patent/EP0456749B1/en
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
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B65D45/02—Clamping or other pressure-applying devices for securing or retaining closure members for applying axial pressure to engage closure with sealing surface
    • B65D45/30—Annular members, e.g. with snap-over action or screw-threaded
    • 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
    • B65D2543/00629—Massive bead
    • 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
    • B65D2543/0074—Massive bead
    • 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
    • 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
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid
    • 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
    • B65D2543/00953—Sealing means
    • B65D2543/0099—Integral supplemental sealing lips

Definitions

  • the invention relates to a container with a lid of the kind indicated in the preamble of claim 1.
  • Plastic lids of this kind are used for closing containers, preferably plastic containers, which on the outside below the rim have a wholly or partly encircling flange for securing the lid.
  • lids normally have to fit closely and it is demanded that it should be possible to remove the lid without recourse to tools. Furthermore the lid has to be designed in such a way that it may be put back in place in order for the container to be reclosed. It must be possible to open and reclose the container a certain number of times until the container is empty, without reduction of the strength and tightness.
  • the object of the invention is to indicate a container with a lid of the above mentioned kind in which the desired qualities with regard to tightness and reclosability are achieved in a new way without risk of undesired by-effects.
  • the container with a lid according to the invention is easy to produce and the lid flange functions as a kind of multi hinge. It is generally known to produce easily bendable areas by narrowing down the thickness of material in such a way that a weakened area is created, f. inst. if the lid is injection molded from polypropylene or similar plastic materials.
  • the easily bendable ares or parts can be made or produced in other ways, f. inst. by reducing the stiffness of the material by perforations or similar means, but they are preferably produced by reducing the thickness of the material.
  • the container with a lid By designing the container with a lid according to the invention, it is rendered possible to remove the lid by a comparatively small movement of the encircling, downwards protruding flange of the lid and with a correspondingly small bending of the weakened areas. Besides, mounting and remounting of the lid on the container is possible without any substantial deformation of the lid, so that the desired complete tightness is achieved immediately.
  • an embodiment of the weakened areas is achieved which assists in making the flange parts move as desired and in such a way that the lower flange part substantially forms the same angle to the plane of the lid, both when the lid is removed and when it is on and during the intervening movement.
  • the outer part of the flange of the lid will rock a little outwards at the outer weakened area, i. e. approximately at the middle of the lid flange or the jacket, and this further assists in facilitating the removal of the lid.
  • the locking bead of the lid only has to be free of the outer edge of the container flange for the lid to be removed freely.
  • the container with a lid according to the invention is designed as indicated in the characterizing part of claim 4, it is achieved that one of the weakened areas is situated exactly where the moment is the greatest during the removal of the lid, and the encircling upper edge of the lid will also be moved a little upwards during the removal of the lid so that the necessary movement of the flange of the lid will be distributed to all the parts.
  • the removal of the lid is facilitated and simplified.
  • a container lid 1 is put on a plastic container 2 which has en encircling, annular flange 5, which is engaging the flange of the lid which in the embodiment shown comprises two encircling flange parts 8 and 9, the lower flange part having an internal encircling locking bead 10 which may be snapped under the lower edge of the container flange.
  • fig. 2 shows a radial part section through the edge on a larger scale.
  • Fig. 2 shows in a full line the container lid on the container 2 and in a dot-dash-dot line the container lid when the flange is free of the container.
  • the container 2 comprises a comparatively sharp sealing edge 3 at the mouth of the container, and an annular flange 5 below this which is cast integral with the container and which flange is terminated downwards by a locking edge 6.
  • a suitable stiffness to the flange 5 evenly spaced radial ribs 14 are cast integral with the container.
  • a container lid 1 of elastically deformable plastic has an encircling flange part which comprises an upper edge part 7 and in continuation hereof two flange parts, i. e. an upper flange part 8 and a lower flange part 9, connected by narrowed down parts or weakened lines 11, 12.
  • the lid is injection molded as an integral unit.
  • the edge area 6 is provided with a downwards turned, axial guiding rib 4 which is contacting the outer surface of the container, and which together with the part of the container lid 1, which is contacting the inner surface of the container, forms the closure and seal between the lid and the container.
  • the upper narrowed down part 11 is formed from the inside, so that the upwards turned sealing edge area has an even, smooth surface, and the lower narrowed down part 12 is formed from the outside as shown in the drawing.
  • the lower flange part 9 ends in a periferal terminal edge 13 which is rounded and, as shown, turned slightly outwards so that it forms a gripping edge which is easy to grip with the fingers when the lid has to be removed.
  • the area between the edge part 7 and the part of the container lid, which is placed inside the container, preferably has a rounded edge 15.
  • the area 15 may be used during the removal of the lid, as f. inst. the thumb is placed against the area 15 and the rest of the fingers are gripping under the edge 13 of the lid.
  • the edge of the lid is then lifted so that the locking bead 10 is freed from the flange edge 6 and the lid is slipped from the position, which is shown in a full line, to the position, which is shown in a dot-and-dash line.
  • This parallel displacement of the flange of the lid results in that only the upper flange part 8 and the two weakened lines 11 and 12 are deformed.
  • the lower flange part 9 is by and large not deformed, neither when opening the lid, nor when closing it. Stretching of the edge area 13 during the closing proces is hereby avoided, and the annular tension built into the flange part 9 is preserved fully so that the locking bead 10 will engage the locking edge 6 without problems.
  • the angle ⁇ between the lower flange part and the plane of the lid is maintained, while the part of the flange, which is constituted by the upper flange part 8, rocks around the weakened line 11.
  • the upper flange part 8 has no other purpose than to function as a kind of double hinge, as the tightening and securing of the lid is established by other parts of the container lid. In this way the tightening, rocking and securing of the lid has been distributed to different parts of the edge of the lid. This makes it possible to maintain the qualities of the lid even after having opened and closed it repeatedly.
  • Figs. 3 and 4 show the container with a lid according to the invention.
  • the lid flange is divided into three encircling, annular areas; a first substantially radially extending encircling area 8, a second substantially axially extending encircling area 16 and a third substantially axially extending encircling area 9.
  • the lid flange is connected to the lid edge to edge by a first encircling weakened area 11' and the annular flange areas are connected edge to edge to each other by a second 17 and a third 12 weakened area, as shown in figs. 3 and 4.
  • the flange of the lid is in this enmbodiment divided into three encircling areas. I. e. in one substantially radial area 8 and two areas 9 and 16 which are substantially axial in relation to the container 2.
  • the three areas are hinged together and hinged to the edge part 7 of the lid proper 1 by means of intergral hinges or encircling weakened areas, 11', 17, 12, of which the weakened areas closest to the lid proper, i. e. 11' and 17, are formed on the surface of the flange of the lid which is turned inwards towards the container, and the outermost weakened area 12 is formed on the outwards turned surface of the flange of the lid.
  • Fig. 3 shows that the flange of the lid during the removal of the container lid makes a much smaller movement than shown in fig. 2, as the movement is distributed among all three encircling parts. As soon as the bead 10 has been shifted to the upper side of the locking edge 5 the lid may be freely removed.
  • Fig. 4 shows the lid free of the container 2.
  • the lid is molded in this shape and therefore fig. 4 also shows the lid during its application.
  • the lid is snapped on the container 2 by pressing the upper surface of the lid lightly, as the locking bead 10 without violent deformations or great increases of the annular tension in the bead 10 is pushed down under the locking edge 6, thereby ensuring full tightness immediately after the mounting of the lid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP19900903322 1989-02-10 1990-02-09 Lid for a container Expired - Lifetime EP0456749B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90903322T ATE96752T1 (de) 1989-02-10 1990-02-09 Behaelterdeckel.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK65589A DK160701C (da) 1989-02-10 1989-02-10 Beholderlaag
DK655/89 1989-02-10

Publications (2)

Publication Number Publication Date
EP0456749A1 EP0456749A1 (en) 1991-11-21
EP0456749B1 true EP0456749B1 (en) 1993-11-03

Family

ID=8096028

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900903322 Expired - Lifetime EP0456749B1 (en) 1989-02-10 1990-02-09 Lid for a container

Country Status (5)

Country Link
EP (1) EP0456749B1 (da)
AU (1) AU5101490A (da)
DE (1) DE69004420T2 (da)
DK (1) DK160701C (da)
WO (1) WO1990009329A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK171723B1 (da) * 1994-11-25 1997-04-14 Erik Bock Faldsikkert plastlåg til beholder
FR2783241B1 (fr) * 1998-09-15 2000-12-22 Allibert Sa Couvercle a poignee de verrouillage pour la fermeture d'un bac de rangement
AU2006200114B2 (en) * 2005-03-31 2009-05-21 Innovative Design Co Pty Ltd Container closure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831797A (en) * 1972-10-02 1974-08-27 P Stevens Child resistant safety closure
SE8005182L (sv) * 1980-07-16 1982-01-17 Tetra Pak Dev Forslutningsanordning for forpackningsbehallare
US4376493A (en) * 1980-09-19 1983-03-15 Sears, Roebuck And Co. Lockable closure for containers
DK145194C (da) * 1980-11-20 1983-02-28 Superfos As Beholderlaag af elastisk deformerbart plast

Also Published As

Publication number Publication date
DK160701C (da) 1991-09-23
DK65589A (da) 1990-08-11
DK160701B (da) 1991-04-08
DK65589D0 (da) 1989-02-10
AU5101490A (en) 1990-09-05
EP0456749A1 (en) 1991-11-21
DE69004420T2 (de) 1994-05-19
WO1990009329A1 (en) 1990-08-23
DE69004420D1 (de) 1993-12-09

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