EP0551908B1 - Couvercle pour récipient - Google Patents

Couvercle pour récipient Download PDF

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Publication number
EP0551908B1
EP0551908B1 EP93100502A EP93100502A EP0551908B1 EP 0551908 B1 EP0551908 B1 EP 0551908B1 EP 93100502 A EP93100502 A EP 93100502A EP 93100502 A EP93100502 A EP 93100502A EP 0551908 B1 EP0551908 B1 EP 0551908B1
Authority
EP
European Patent Office
Prior art keywords
base
container
rim
lid
sections
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
EP93100502A
Other languages
German (de)
English (en)
Other versions
EP0551908A3 (en
EP0551908A2 (fr
Inventor
Carsten Lentjes
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0551908A2 publication Critical patent/EP0551908A2/fr
Publication of EP0551908A3 publication Critical patent/EP0551908A3/de
Application granted granted Critical
Publication of EP0551908B1 publication Critical patent/EP0551908B1/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
    • B65D43/0214—Removable lids or covers without integral tamper element secured only by friction or gravity
    • B65D43/022—Removable lids or covers without integral tamper element secured only by friction or gravity only on the inside, or a part turned to the inside, 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
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/0012—Shape of the outer periphery having straight sides, e.g. with curved corners
    • B65D2543/00175—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond
    • B65D2543/00194—Shape of the outer periphery having straight sides, e.g. with curved corners four straight sides, e.g. trapezium or diamond square or rectangular
    • 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
    • B65D2543/00342—Central part of the lid
    • B65D2543/00398—Reinforcing ribs in the central part of the closure
    • 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
    • B65D2543/00342—Central part of the lid
    • B65D2543/00398—Reinforcing ribs in the central part of the closure
    • B65D2543/00416—Reinforcing ribs in the central part of the closure 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
    • B65D2543/00444—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
    • B65D2543/00546—NO contact

Definitions

  • the invention relates to a lid for containers with a substantially rectangular opening mouth and outwardly projecting support edge.
  • ER 0 049 430 B1 describes a generic lid and container. It is a stretch-molded plastic container with a base, four side walls with a slight slope and a surrounding, protruding support edge.
  • the associated lid is pressed onto the support edge in the manner of a snap lock.
  • Tolerances particularly in the manufacture of the container, mean that the associated lid cannot always seal the container completely airtight and moisture-proof.
  • a corresponding demand is made, in particular, for containers for sensitive goods, such as infectious waste or environmentally hazardous substances.
  • DE 36 04 925 A1 describes a snap-on lid made of deep-drawn plastic with locking projections formed on the edge and projecting into the interior of the lid, which should engage under the protruding bearing edge of the container.
  • the invention has for its object to provide a lid for a container of the type mentioned above, which is easy to manufacture, can compensate for manufacturing tolerances of the container, in particular in the area of the opening mouth and ultimately ensures the most complete air and liquid-tight seal possible.
  • the invention is based on the finding that a lid inserted into the rectangular opening mouth of a container often does not allow, at least in sections, flat contact with the corresponding vertical sections of the walls in the region of the opening mouth of the container due to manufacturing tolerances, so that Gaps and slits are created through which air and liquid can enter and exit.
  • containers of the type mentioned in particular those made of plastic materials, have a certain elasticity and allow a certain deformability of the container in the region of the opening mouth.
  • the invention is based on the idea of utilizing the deformability of the container in the region of the opening mouth and of widening the opening mouth when the cover is put on by a kind of "oversizing" of the corresponding section of the lid, thereby placing it under tension and thereby increasing the surface pressure between to reach the corresponding sections of the lid and container.
  • the lid thus essentially has a kind of container shape, but with a much smaller depth than the container.
  • the cover when placed on the open end of the container, initially only lies loosely there.
  • these can be individual support points or support lines.
  • the lid is pressed so far into the opening mouth of the container until it lies with its flange edge on the support edge of the container.
  • the edges of the base between the corner points each have a continuous convex curvature, so that there are four convex side edges of the cover base in a rectangular container.
  • a further embodiment provides for the curvatures to be designed in such a way that their apex points are arranged centrally between the corresponding corner points. This minimizes the effort required when inserting (pushing) the lid into the opening mouth of the container.
  • edge sections between the curved edges and the circumferential flange edge are formed at least in sections with an undercut (with respect to the mounting position). In this way, static friction when inserting the lid into the container is minimized.
  • line-shaped contact between the cover (in the edge region of the base) and the corresponding section of the side walls (the opening mouth) of the container which is essentially caused by this, is completely sufficient to achieve the desired tightness.
  • edge sections can also be undercut all around.
  • the transition region between the floor and the edge section or the surfaces of the edge section can be formed with a circumferential groove which then runs parallel to the floor in one plane.
  • a sealing ring can be inserted into this groove, which additionally improves the complete closure of the container.
  • the expert also has numerous other optimization options available. So it is possible to form the opening mouth of the container with an additional step, which is formed at such a distance below the circumferential support edge that corresponds to the height of the edge portion of the lid, so that this not only with its circumferential flange edge on the support edge, but also lies on the level mentioned.
  • Projections and recesses in the bottom of the lid can additionally stiffen it.
  • Stack edges or the like are also possible.
  • Figure 1 shows a view from below of a cover according to the invention, which is generally designated by the reference numeral 10.
  • a base 12 with different projections and recesses 14 for stiffening can be seen.
  • the four edges 12a-d of the base 12 run. It can be seen that the edges 12a to 12d do not span an exact rectangle between them, but rather are formed between two corresponding corner points 16a-d with a slightly convex curvature. It follows that the distance between the edges 12a, 12c is the smallest in the area of the corner points 16a, 16b or 16c, 16d, while the edges 12a, 12c in the middle between the corner points 16a, 16d or 16b, 16c the greatest width from each other exhibit.
  • edges 12b i.e.
  • FIG. 2 also shows that an edge section 18a, 18c extends upwards from the curved edges 12a-12d, the sectional view according to FIG Figure 2 shows only the edge sections between the corner points 16a, 16d and 16b, 16c.
  • FIG. 2 further shows that a peripheral flange 20 adjoins the corresponding edge sections 18a, 18c, the underside of which is also shown in FIG.
  • FIG. 2 further illustrates that the edge sections 18a, 18c (and analogously the edge sections (not shown) running therebetween) are designed with a slight undercut with respect to a vertical plane running to the base of the floor 12, so that the opposite edge sections 18a, 18c have their greatest distance in the region of the edges 12a, 12c and their smallest distance in the region of the flange edge 20.
  • FIG. 3 finally shows the basic structure of an associated container, which bears the reference numeral 22 here.
  • the container 22 has a bottom 24, walls 26 which run obliquely upwards and outwards and an opening mouth 28 with a support edge 30 which runs outwards at the edge.
  • the opening width of the opening mouth in the area of the support edge 30 is smaller than the base area of the bottom 12 of the associated cover 10, so that when the cover 10 is placed on the opening mouth 28, this first in the area of the support edge 30 rests and can only be pressed into the opening mouth 28 by applying a certain force component, which is however relatively small, the opening mouth 28 expanding at the same time, due to the deformability of the walls 26 of the container 22 in the upper free edge area.
  • the curved edges 12a to 12d of the bottom 12 of the lid 10 then come to bear against the corresponding inner surfaces of the opening mouth 28, continuously, here in particular in a linear manner, as a result of which the lid is completely sealed off from the container.
  • the lid 10 is finally pressed in approximately to the level 32 of the container 22 which can be seen in FIG. 3, at which moment the flange edge 20 of the lid 10 rests on the support edge 30 of the container 22.
  • a container which has been closed in this way is no longer opened but disposed of, if appropriate in a waste incineration plant or the like.
  • this is also possible, for example by inserting an appropriate tool between the support edge 30 and the flange edge 20 and prying open the cover 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Glass Compositions (AREA)
  • Catching Or Destruction (AREA)

Claims (8)

  1. Couvercle pour récipients à embouchure d'ouverture (28) sensiblement rectangulaire et à bord de pose (30) faisant saillie vers l'extérieur, caractérisé par les propriétés ci-après :
    1.1 le couvercle comporte un fond (12) destiné à être enfoncé, dans l'embouchure d'ouverture (28) du récipient (22),
    1.2 les arêtes (12a à 12d), s'étendant entre les angles (16a à 16d) du fond (12), sont au moins par parties convexes, de sorte que la face de base du fond (12) est globalement plus grande que la dimension de l'ouverture du récipient (22), dans la partie correspondante,
    1.3 une première section de bordure (18a, 18c), épousant la forme des arêtes (12a à 12.d), s'étend depuis le fond (12), sensiblement perpendiculairement par rapport à ce fond (12), qui
    1.4 se transforme en une bordure de bride (20) faisant saillie vers l'extérieur disposée parallèlement par rapport aux bords de pose (30) du récipient (22).
  2. Couvercle selon la revendication 1, dans lequel les arêtes (12a à 12d) du fond (12) sont configurées entre les angles (16a à 16d) chaque fois avec une courbure convexe continue.
  3. Couvercle selon la revendication 1 ou 2, dans lequel les sommets des arêtes (12a à 12d) incurvées sont disposés chacun à mi-longueur entre les angles (16a à 16d) correspondants.
  4. Couvercle selon l'une des revendications 1 à 3, dans lequel les sections de bordure (18a,18c) sont réalisées entre les arêtes incurvées (12a à 12d) et le bord de bride (20) de pourtour, au moins par sections, avec une contre-dépouille par rapport à la position de montage.
  5. Couvercle selon l'une des revendications 1 à 4, dans lequel les sections de bordure (18a à 18c) sont réalisées avec une contre-dépouille sur le pourtour.
  6. Couvercle selon la revendication 4 ou 5, dans lequel la contre-dépouille est de 2 à 5° par rapport à un plan vertical s'étendant vers le fond (12).
  7. Couvercle selon l'une des revendications 1 à 6, dans lequel la zone de transition entre le fond (12) et la section de bordure (18a, 18 c) et/ou les faces des sections de bordure (18a, 18c) est (sont) réalisée(s) avec une gorge de pourtour s'étendant dans un plan parallèle au fond (12) et dans laquelle (lesquelles) s'insère une bague d'étanchéité.
  8. Couvercle selon l'une des revendications 1 à 7, fabriqué à partir d'une feuille ou d'une plaque en matière synthétique, suivant un procédé de formage par drapage.
EP93100502A 1992-01-16 1993-01-15 Couvercle pour récipient Expired - Lifetime EP0551908B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4200944A DE4200944A1 (de) 1992-01-16 1992-01-16 Behaelterdeckel
DE4200944 1992-01-16

Publications (3)

Publication Number Publication Date
EP0551908A2 EP0551908A2 (fr) 1993-07-21
EP0551908A3 EP0551908A3 (en) 1993-08-18
EP0551908B1 true EP0551908B1 (fr) 1995-04-05

Family

ID=6449599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93100502A Expired - Lifetime EP0551908B1 (fr) 1992-01-16 1993-01-15 Couvercle pour récipient

Country Status (3)

Country Link
EP (1) EP0551908B1 (fr)
AT (1) ATE120705T1 (fr)
DE (2) DE4200944A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19612858A1 (de) * 1996-03-30 1997-10-02 Carsten Lentjes Deckel zum Verschließen von Behältern

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9317193U1 (de) * 1993-11-10 1994-01-20 Lucas Ind Plc Kleinladungsträger
DE19612859A1 (de) * 1996-03-30 1997-10-02 Carsten Lentjes Verschlußelement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575490A (en) * 1944-12-22 1951-11-20 Continental Can Co Friction plug closure
DE1869339U (de) * 1963-01-03 1963-03-21 Novoplast Schellhorn K G Behaelter mit schnappdeckel.
GB1213150A (en) * 1967-12-23 1970-11-18 James Gregg Improvements in or relating to lids
AT317761B (de) * 1972-09-11 1974-09-10 Franz Freisinger Ges M B H & C Dose
GB1495704A (en) * 1973-12-14 1977-12-21 Metal Box Co Ltd Containers with metal plug lids
DE7806380U1 (de) * 1978-03-03 1978-06-15 Bellaplast Gmbh Duennwandiger Behaelterdeckel
DE3037038A1 (de) * 1980-10-01 1982-05-06 Theodor Lentjes Eigensteifer behaelter mit einem deckel als wegwerf-aufnahmegefaess fuer sondermuell, insbesondere fuer medizinischen muell
NL8601752A (nl) * 1986-07-04 1988-02-01 Wavin Bv Hersluitbare verpakking bestaande uit een houder en een op de houder passend deksel.
ES1003793Y (es) * 1987-11-10 1990-03-16 Llamas, S.A. Recipiente metalico perfeccionado dotado de su correspondiente tapa con cierre hermetico.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19612858A1 (de) * 1996-03-30 1997-10-02 Carsten Lentjes Deckel zum Verschließen von Behältern

Also Published As

Publication number Publication date
DE4200944A1 (de) 1993-07-22
EP0551908A3 (en) 1993-08-18
EP0551908A2 (fr) 1993-07-21
DE59300114D1 (de) 1995-05-11
ATE120705T1 (de) 1995-04-15

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