EP0658481A1 - Dispositif d'ouverture et de fermeture comprenant un couvercle à charnière sur un cadre, destiné à engager le bord d'un récipient - Google Patents

Dispositif d'ouverture et de fermeture comprenant un couvercle à charnière sur un cadre, destiné à engager le bord d'un récipient Download PDF

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Publication number
EP0658481A1
EP0658481A1 EP94309042A EP94309042A EP0658481A1 EP 0658481 A1 EP0658481 A1 EP 0658481A1 EP 94309042 A EP94309042 A EP 94309042A EP 94309042 A EP94309042 A EP 94309042A EP 0658481 A1 EP0658481 A1 EP 0658481A1
Authority
EP
European Patent Office
Prior art keywords
frame
lid
wall
hinge
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.)
Withdrawn
Application number
EP94309042A
Other languages
German (de)
English (en)
Inventor
Pietro Dr. Padovani
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.)
Isap OMV Group SpA
Original Assignee
Isap OMV Group SpA
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 Isap OMV Group SpA filed Critical Isap OMV Group SpA
Publication of EP0658481A1 publication Critical patent/EP0658481A1/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Withdrawn legal-status Critical Current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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/163—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately
    • B65D43/169—Non-removable lids or covers hinged for upward or downward movement the container and the lid being made separately the lid, the hinge and the element connecting them to the container being made of one piece
    • 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
    • B65D2251/00—Details relating to container closures
    • B65D2251/10—Details of hinged closures
    • B65D2251/1016—Means for locking the closure in closed position
    • B65D2251/1041—The closure having a part penetrating in the dispensing aperture and retained by snapping over integral beads or projections

Definitions

  • This invention relates to an opening-closing device with a lid for containers in general and in particular for containers thermoformed from plastics material.
  • thermoformable sheet material In the manufacture of containers which are thermoformed from thermoformable sheet material the production of hollow container bodies such as trays, bowls, beakers, cups, etc., and lids for application to and removal from a container body, as well as containers with lids, or container bodies attached to a corresponding incorporated lid by means of one or more hinge strips which may be weakened along predetermined lines of bending are known.
  • thermoforming sheet or strip material implies that the lid should necessarily have the same thickness as the body of the corresponding container. For many applications this is undesirable given that relatively small thicknesses may be sufficient for the lids, while it is desirable to have a container body of greater thickness, on account of requirements for robustness, structural stability and aesthetics, e.g. to avoid bulging. Obviously if a sheet of thicker thermoplastic material is used this objective can be achieved in any case, but with a considerable wastage of thermoformable material.
  • the main object of this invention is to provide an opening-closing device with a lid obtained by the thermoforming of thermoformable material, which can be applied to a container body for loose products, in general both before and after the container body has been filled.
  • Another object of this invention is that the said opening-closing device with a lid of thermoformable material may be applied either to containers of plastics material or containers of other materials.
  • a further object of this invention is that the said opening-closing device should be suitable for acting as an advertising vehicle for the contents of promotional gift articles.
  • the opening-closing device with a lid according to the invention should be relatively simple and easy to manufacture, be highly reliable and have a limited cost.
  • thermoforming which comprises a relatively rigid perimeter frame or framework which is designed to engage the rim of a container body, a lid which can be located removably in the space within the frame or framework and which is firmly anchored thereto by means of at least one flexible portion acting as a hinge, means for retaining the lid in a closed position and a grip for operating the lid located on the opposite side from the hinge.
  • the lid is configured as a shallow tray in order to act as an advertising vehicle and in order to contain promotional gift objects, which can be assembled onto the container body after it has been loaded or filled with the loose product.
  • an opening-closing device with a lid 1 is obtained by thermoforming from thermoformable sheet material, e.g. polypropylene, polyethylene and the like, and comprises a relatively rigid perimeter frame or framework 2, a lid 3 which can be seated removably on frame or framework 2 and which is integrally combined therewith by means of a flexible portion 4 acting as a hinge, and an grip 5 for operating the lid, located opposite hinge 4.
  • thermoformable sheet material e.g. polypropylene, polyethylene and the like
  • Perimeter frame or framework 2 is constructed with a double wall, an inner wall 6 and an outer wall 7, which are joined together by a covering or top section 8 so as to form an uninterrupted annular groove or recess 9 (Figure 8) which opens downwards.
  • Inner wall 6 has a number of transverse recesses 10 spaced about the framework, e.g. four located at the corners in the case of a rectangular frame or framework with linked corners such as those in Figures 1 to 21.
  • Top section 8 instead has a peripheral rebate 12 which extends all the way round the framework and faces the interior thereof.
  • rebate 11 In the area where hinge 4 is attached, e.g. along most of the long rear side in the case of a frame 2 of rectangular configuration, rebate 11 has a wider portion 12 which includes all the top section 8 and also extends at 13 over almost the full height of outer wall 7 ( Figures 4 and 6), while along the long front side rebate 11 extends forward in an area 14 designed to contact and receive part of operating grip 5.
  • a recess 15 is provided at the two ends of front rebate area 14, and this extends in the direction of the thickness or height of frame or framework 2 and preferably has two opposite lateral walls 16 which are flared upwards and undercut.
  • Lid 3 is formed of a substantially flat wall 17 which has a configuration and overall dimensions slightly less than the space bounded by inner wall 6 of frame or framework 2.
  • Wall 17 has a projecting perimeter edge 18, which rises from wall 17 with a small recess, bounds an outer cavity 19 and ends in a peripheral flange 20.
  • flange 20 forms a single body with hinge 4, while it has a substantially uniform thickness equal to the height of rebate 11 in frame 2 over its entire extent, so that in the closed position it is flush and coplanar with top section 8 of the frame.
  • lid 3 has a grip 5, which is formed partly from an outward and inward widening 21 of flange 20 and partly from a length 22 of edge 18 which is inclined so as to enter cavity 19 in order to delimit together with widened flange 21 an undercut section which is accessible from outer cavity 19 so that it can be grasped by the tips of the fingers.
  • impressions e.g. bound by transverse ribs 23, can be provided to help the fingers grip the undercut portion of the grip.
  • Grip 5 is flanked by two projections 24 projecting from edge 18, which are slightly tapered in the direction from flange 20 towards wall 17 and have sides 25 undercut into a dovetail to engage slidably, removably and firmly a corresponding recess 15 in frame or framework 2.
  • Recesses 15 act as both holding and guide members for projections 24 and are capable of ensuring a stable lock between the two even under severe operating conditions, e.g. when the container is subjected to lateral and/or vertical compression forces which deform it to some extent.
  • peripheral edge 18 has a projection or boss 26, which is designed to contact and mate with a corresponding adjacent recess 10 in frame or framework 2 in order to position the lid correctly in the closed position and hold it firmly ( Figure 14).
  • the opening and closing device with a lid 1 described above can be fitted to the perimeter of a container body, e.g. a tray 27, which is also produced by thermoforming, or a container of any other suitable material, such as metal, wood, plastics, glass and the like, which has the same configuration in plan and has an edge or rim 28 which can be inserted into annular grove 9.
  • a container body e.g. a tray 27, which is also produced by thermoforming, or a container of any other suitable material, such as metal, wood, plastics, glass and the like, which has the same configuration in plan and has an edge or rim 28 which can be inserted into annular grove 9.
  • container 27 may have a rim 28 comprising an inner side 29, an outer side 30 and a transverse top surface 31 dimensioned in such a way as to mate accurately with inside wall 6 and outside wall 7 and the top section 8 of frame or framework 2 respectively ( Figures 15 to 21).
  • rim 28 has corresponding re-entrants to make a snap connection with the outer surface of a corresponding recess so as to permanently and automatically clip the frame on container 27 without the need for welding, gluing, riveting or any other (certainly more costly) means of attachment between frame 2 and container 7.
  • container 27 has a peripheral projecting shoulder 32 below rim 28 which serves to compensate for the thickness of inner wall 6 of the frame, which may abut against it, so that the inside face of wall 6 of the frame forms a continuation of the inner wall of container 27 when in use, without any interruptions or discontinuities, so as not to provide an obstacle to removal of the contents.
  • hinge 4 is a little shorter than the long side of frame 2 and lid 3 and has two longitudinal lines of weakness, one 34 adjacent to outer wall 7 of frame 2 and the other 35 in an intermediate position far from line 34 of a length equal to the width of outer wall 7, so as to allow a marginal section 36 which forms a widening of flange 20 to bend and support rebated area 14. Also hinge 4 allows the lid to open fully, even by more than 180 degrees. In fact lid 3 can be tilted back and kept open by gravity as a result of its own weight, which is extremely advantageous for loading, filling or emptying the container without obstruction (Figure 17).
  • Figure 12 shows how an opening and closing device with a lid 1 according to this invention can also be used as a promotional or advertising vehicle, e.g. by prepacking an inserted gift, e.g. pencils 40, which can be held in position e.g. using a conventional film of transparent heat welded material.
  • this pre-packaging may be performed separately, and, preferably, before device 1 is fitted to a container 27, which in this case should be prefilled with product.
  • the pre-packaging of device 1 does not interfere with either fitting the lid onto container 27 or with filling the latter.
  • An opening and closing device with a lid 1 as described above is perfectly flat at the top along wall 8 of the frame when in the closed position as flange 20 of lid 3 is seated in rebate 11.
  • Figures 22 and 23 illustrate one example of an embodiment in which device 1 has a circular perimeter instead of a polygonal perimeter for application to a cylindrical or frustoconical container 27.
  • frame or framework 2 may also lack outer wall 7.
  • lid 3 may be sealed to frame or framework 2 by welding with heat welded film thus avoiding the need to wrap the whole comprising container body 7 and opening-closing device 1 with heat welded and heat-shrinking film (for a secure seal).
  • the opening and closing device with a lid described above fulfils all the objects specified above and can be fitted simply and quickly to many types of containers without the need to perform complicated fixing operations. It also provides an almost hermetical seal, with the result that it is also indicated for products which must preserve their aroma over a period of time, or products which contain volatile components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP94309042A 1993-12-14 1994-12-05 Dispositif d'ouverture et de fermeture comprenant un couvercle à charnière sur un cadre, destiné à engager le bord d'un récipient Withdrawn EP0658481A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVR930050U 1993-12-14
ITVR930050 IT231606Y1 (it) 1993-12-14 1993-12-14 Coperchio per vaschetta

Publications (1)

Publication Number Publication Date
EP0658481A1 true EP0658481A1 (fr) 1995-06-21

Family

ID=11427709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94309042A Withdrawn EP0658481A1 (fr) 1993-12-14 1994-12-05 Dispositif d'ouverture et de fermeture comprenant un couvercle à charnière sur un cadre, destiné à engager le bord d'un récipient

Country Status (2)

Country Link
EP (1) EP0658481A1 (fr)
IT (1) IT231606Y1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299808A (en) * 1995-04-07 1996-10-16 Leer Plastona Ltd Van Container with separate closure assembly
EP0832823A2 (fr) * 1996-09-26 1998-04-01 Beiersdorf Aktiengesellschaft Récipient à couvercle interne s'ouvrant par pression
EP1197439A3 (fr) * 2000-09-28 2003-03-19 Goglio Luigi Milano S.P.A. Couvercle pour des conteneurs flexibles ou semi-rigides, notamment pour des produits en granulés ou en poudre
EP1357048A2 (fr) * 2002-04-25 2003-10-29 Cope Allman Plastic Packaging Limited Fermetures de récipient
WO2014129902A1 (fr) * 2013-02-22 2014-08-28 N.V. Nutricia Contenant thermoformé avec couvercle
PL422673A1 (pl) * 2017-08-28 2019-03-11 Rosinski Packaging Spółka Z Ograniczoną Odpowiedzialnością Zamknięcie pojemnika
WO2022051793A1 (fr) * 2020-09-14 2022-03-17 Greiner Packaging International Gmbh Procédé pour produire un ensemble de fermeture dans un procédé de thermoformage et ensemble de fermeture ainsi produit
US11738914B2 (en) 2021-11-18 2023-08-29 Yeti Coolers, Llc Container and latching system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0072294A1 (fr) * 1981-08-11 1983-02-16 LE MOULAGE AUTOMATIQUE Société Anonyme Couvercle inviolable à emboîtement pour récipient de section polygonale
EP0370982A1 (fr) * 1988-11-23 1990-05-30 Akerlund & Rausing Licens Aktiebolag Dispositif de refermeture pour conteneurs de section rectangulaire
DE4006518A1 (de) * 1990-03-02 1991-04-04 Globol Gmbh Deckel aus kunststoff fuer haushaltspackungen von chemikalien
WO1993017920A1 (fr) * 1992-03-05 1993-09-16 Åkerlund & Rausing Licens Aktiebolag Recipient pour marchandise volumineuse et/ou lourde dote d'un couvercle refermable

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0072294A1 (fr) * 1981-08-11 1983-02-16 LE MOULAGE AUTOMATIQUE Société Anonyme Couvercle inviolable à emboîtement pour récipient de section polygonale
EP0370982A1 (fr) * 1988-11-23 1990-05-30 Akerlund & Rausing Licens Aktiebolag Dispositif de refermeture pour conteneurs de section rectangulaire
DE4006518A1 (de) * 1990-03-02 1991-04-04 Globol Gmbh Deckel aus kunststoff fuer haushaltspackungen von chemikalien
WO1993017920A1 (fr) * 1992-03-05 1993-09-16 Åkerlund & Rausing Licens Aktiebolag Recipient pour marchandise volumineuse et/ou lourde dote d'un couvercle refermable

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299808A (en) * 1995-04-07 1996-10-16 Leer Plastona Ltd Van Container with separate closure assembly
EP0832823A2 (fr) * 1996-09-26 1998-04-01 Beiersdorf Aktiengesellschaft Récipient à couvercle interne s'ouvrant par pression
EP0832823A3 (fr) * 1996-09-26 1999-01-07 Beiersdorf Aktiengesellschaft Récipient à couvercle interne s'ouvrant par pression
EP1197439A3 (fr) * 2000-09-28 2003-03-19 Goglio Luigi Milano S.P.A. Couvercle pour des conteneurs flexibles ou semi-rigides, notamment pour des produits en granulés ou en poudre
EP1357048A2 (fr) * 2002-04-25 2003-10-29 Cope Allman Plastic Packaging Limited Fermetures de récipient
EP1357048A3 (fr) * 2002-04-25 2004-05-12 Cope Allman Plastic Packaging Limited Fermetures de récipient
WO2014129902A1 (fr) * 2013-02-22 2014-08-28 N.V. Nutricia Contenant thermoformé avec couvercle
WO2014129887A1 (fr) * 2013-02-22 2014-08-28 N.V. Nutricia Récipient thermoformé avec couvercle
RU2654414C2 (ru) * 2013-02-22 2018-05-17 Н.В. Нютрисиа Термоформованный контейнер с крышкой
US10201250B2 (en) 2013-02-22 2019-02-12 N.V. Nutricia Thermoformed container with lid
PL422673A1 (pl) * 2017-08-28 2019-03-11 Rosinski Packaging Spółka Z Ograniczoną Odpowiedzialnością Zamknięcie pojemnika
WO2022051793A1 (fr) * 2020-09-14 2022-03-17 Greiner Packaging International Gmbh Procédé pour produire un ensemble de fermeture dans un procédé de thermoformage et ensemble de fermeture ainsi produit
US11738914B2 (en) 2021-11-18 2023-08-29 Yeti Coolers, Llc Container and latching system

Also Published As

Publication number Publication date
ITVR930050U1 (it) 1995-06-14
ITVR930050V0 (it) 1993-12-14
IT231606Y1 (it) 1999-08-04

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