EP0292462B1 - Car with a removable cover - Google Patents

Car with a removable cover Download PDF

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Publication number
EP0292462B1
EP0292462B1 EP88870061A EP88870061A EP0292462B1 EP 0292462 B1 EP0292462 B1 EP 0292462B1 EP 88870061 A EP88870061 A EP 88870061A EP 88870061 A EP88870061 A EP 88870061A EP 0292462 B1 EP0292462 B1 EP 0292462B1
Authority
EP
European Patent Office
Prior art keywords
box
cover
groove
annular
lid
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
EP88870061A
Other languages
German (de)
French (fr)
Other versions
EP0292462A2 (en
EP0292462A3 (en
Inventor
Roger Lefrant
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.)
Manufacture de Bidons et Boites Metalliques M Kouperman SA
Original Assignee
Manufacture de Bidons et Boites Metalliques M Kouperman SA
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
Priority claimed from BE8700411A external-priority patent/BE1000475A3/en
Priority claimed from BE8700436A external-priority patent/BE1000500A3/en
Application filed by Manufacture de Bidons et Boites Metalliques M Kouperman SA filed Critical Manufacture de Bidons et Boites Metalliques M Kouperman SA
Priority to AT88870061T priority Critical patent/ATE76615T1/en
Publication of EP0292462A2 publication Critical patent/EP0292462A2/en
Publication of EP0292462A3 publication Critical patent/EP0292462A3/en
Application granted granted Critical
Publication of EP0292462B1 publication Critical patent/EP0292462B1/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
    • B65D43/021—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the inside, or a part turned to the inside, 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
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/205—Means for the attachment of labels, cards, coupons or the like
    • 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
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • B65D55/06—Deformable or tearable wires, strings, or strips; Use of seals, e.g. destructible locking pins
    • 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
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • 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
    • B65D2543/00027—Stackable lids or covers
    • 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
    • B65D2543/00435—Lids secured to an intermediate ring or like annular member fixed to the container 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
    • B65D2543/00444—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
    • 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
    • B65D2543/00638—Rolled edge
    • 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
    • B65D2543/00888—Means for facilitating removing of the closure by applying lever forces
    • B65D2543/00898—Means for facilitating removing of the closure by applying lever forces by means of a coin or other tool in recesses or similar on container or lid

Definitions

  • the present invention relates to a box closed by a cover, the box comprising a body having on its upper edge, an annular part forming a toric rib inside the box, the cover having an annular cavity under its peripheral edge. rounded bottom intended to cooperate with the external surface of the toric rib, as well as a circular groove extending along the peripheral rim and opening on the upper face of the cover to serve as a housing for a locking and sealing ring of the lid on the box.
  • the box according to the invention is, in particular, intended to contain a paint, a varnish, a plaster, a pigment or another coating product or used in the composition of a protective mixture in the form of liquid, paste or finely divided solid.
  • Document EP-A-0186979 discloses a plastic container provided with a lid closure also made of plastic.
  • the box is provided with an annular flange comprising an annular lip defining an inlet of the body of the box as well as a drip channel around this inlet.
  • the annular flange is preferably made of polypropylene and is an integral part of the box body.
  • the seal between the lid and the container is mainly ensured by a contact surface limited to a restricted strip in which the clamping forces are essentially radial.
  • Another drawback of this lid closure is that it cannot be used in a metal box.
  • Document US-A-4171063 describes a box provided with an annular flange having another embodiment to define the opening of the box.
  • the annular flange is here formed at its inner end with a toric rib intended to cooperate with the edge of a cover.
  • the contact surface between the cover and the box is in this case more extensive.
  • Document EP-A-0079472 also discloses a plastic cover for a paint can or the like.
  • This cover is formed with a cylindrical bowl intended to serve as housing for a circular plate having a visible surface having the color and the appearance of the paint contained in the box, means being provided for retaining the plate in the bowl.
  • the present invention aims to produce a box which meets the recommendations of the European Commission with regard to the transport of paint products and solvents, in particular with regard to impact resistance, improving the tightness of the closure by the lid and of the anchoring thereof on the box, even in the event of an impact, so as to avoid any risk of accidental detachment of the lid and in addition to ensure the inviolability of the box in order to guarantee that the contents of it -it is intact.
  • this objective is achieved by a box closed by a cover, the box comprising a body having on its upper edge, an annular part forming a toric rib inside the box, a toric rib, the cover having under its peripheral edge an annular cavity with a rounded bottom intended to cooperate with the external surface of the toric rib, as well as a circular groove extending along the peripheral rim and opening on the upper face of the cover to serve as housing with a locking and sealing ring of the cover on the box, which is remarkable in that the locking and sealing ring is formed with a lug or an annular rim accommodating in an annular recess formed in a wall of the aforementioned groove, the locking and sealing ring having in its upper face a notch intended to receive the end of a tool for making its utter said blocking and sealing ring.
  • the cover is formed with an annular groove opening in its underside and extending inside the layout of the aforementioned groove, said annular groove advantageously containing radial ribs to contribute to the radial rigidity of the peripheral edge of the cover.
  • FIG. 1 represents a box 1, preferably cylindrical, comprising a body 4 closed at one end 2 by a bottom 3 crimped in a known manner.
  • the body 4 is provided with an annular part 7 capable of receiving a removable circular cover 6.
  • This annular part 7 has an external part 8 which is crimped on the external surface 9 of the body 4 and an internal part which deviates from the surface internal 11 of the body 4 and has an inner end 12 rolled into a substantially toroidal shape.
  • the annular part 7 has a skirt 13 which is parallel to the internal surface 11 of the body 4 in the vicinity of its external part 8, and is perpendicular to said internal surface 11 of the body 4 at near the rolled end 12.
  • the removable circular cover 6 has, just below its peripheral edge 14, an annular cavity 15 with a rounded bottom intended to serve as a housing for the rolled toroidal part 12 of the annular part 7.
  • the cavity 15 has dimensions such that the rolled toric part 12 of the annular part 7 follows the bottom 17 of the cavity 15 over more than 120 °, preferably 135 °, when the cover 6 closes the box 1.
  • a large surface contact 18 exists between the cover 6 and the rolled O-ring part 12 so as to ensure a good seal between the box 1 and the cover 6 and therefore a good closure of the box 1.
  • the cover 6 has a rim 19 directed towards the internal surface 11 of the body 4, this rim 19 overhanging the rolled O-ring part 12 when the cover 6 closes the box 1.
  • the cover 6 advantageously has a circular groove 20 open towards the outside of the box 1 when the cover 6 closes the latter.
  • This circular groove 20 is flared towards the outside of the box 1 and extends to a level 21 (see FIG. 3) situated lower than the level 22 of the lower end of the annular cavity 15.
  • the groove 20 is formed with a wall 23 inclined with respect to the axis 16 of the box and directed towards the inside of the box 1, up to a level 24 close to the level of the center 25 of the rolled part 12, a wall 26 parallel to the axis 16 which ends in a substantially semi-circular part 27 whose bottom 28 is located at a level 21 below the level 22 of the lower end of the cavity 15, and finally a wall 29 inclined with respect to the axis 16 and directed towards the outside of the box 1.
  • the underside of the cover 6 also advantageously has a circular groove 30 opening towards the inside of the box 1, this groove 30 being adjacent to the above-mentioned groove 20 and closer to the axis 16 than is this groove 20.
  • This groove 30 has, starting from the side closest to the axis 16, a wall 31 substantially parallel to the axis 16 which ends in a substantially semicircular part 32, and finally a wall 33 inclined relative to the axis 16 and flared towards the inside of the box 1.
  • This elasticity also allows, when the cover 6 closes the box 1, the application of radial contact forces between the cover 6 and the rolled part 12 and thus improves the tightness of the closure of the box 1.
  • These radial contact forces are further increased when the box 1 is inverted, by the pressure exerted on the wall 31. The box provided with its cover can thus be returned safely.
  • the contact force between the cover 6 and the rolled part 12 also has an axial component thanks to the pinching of the ends of the cavity 15 on the rolled part 12, this further making it possible to improve the tightness of the closure of the box. 1 according to the invention.
  • the sealing of the closure is improved by means of radial ribs 57 arranged in the groove 30 and bearing at regular distance on the walls 31 and 32 (see FIG. 5).
  • the groove 20 is provided with a locking and sealing ring 58 which has a lug or an annular flange projecting into an annular recess in the wall 26 of the groove 20 of the lid. 6.
  • the locking and sealing ring 58 rests on the walls 26 and 29 of the groove 20 and removes the component of radial elasticity from the cover 6.
  • the locking ring 58 is formed with a lug or annular rim 42 being housed in an annular recess formed in the wall 26 of the groove 20.
  • the locking and sealing ring 58 has a notch 59 in the shape of an inverted V intended to allow the insertion of a screwdriver.
  • the locking ring 58 not only ensures the tightness of the closure of the lid on the box, but also the inviolability which guarantees that the contents of the box are indeed intact.
  • the cover 6 has a frustoconical skirt 37 whose small base is directed towards the inside of the box 1, this skirt 37 extending parallel to the wall 23 of the groove 20 from the end of the cavity 15 furthest from the peripheral edge of the cover 6.
  • the skirt 37 constitutes the chamfer of an annular fold 38 which has a frustoconical internal wall 33, the flared part of which is directed towards the interior of the box 1, this wall 33 being advantageously parallel to the wall 29 of the groove 20 and can be provided on its end edge 39 with a cylindrical appendage 40 intended to increase the elasticity of the cover 6.
  • covers 6 can be fitted one above the other since the skirt 37 and the circular groove 20 have dimensions allowing the introduction of the skirt 37 of a cover into the circular groove of another cover. This allows easy storage of the covers.
  • the cover 6 is also formed with a central bowl 34 open towards the outside of the box 1 and the bottom 35 of which is located at a level 36 close to the level 25 from the center of the rolled part 12 when the cover 6 closes the box 1.
  • the bowl 34 serves as a housing for a circular plate 52 having a visible surface having the appearance and / or the coloring of the product contained in the box.
  • the bowl 34 is provided with means for retaining the plate 52 therein. These means may be located from place to place in the vicinity of the edge 56 of the bowl 34, but preferably extend all along said edge 56. These means are, for example, constituted by a lug or an annular rim 53 protruding into the bowl 34.
  • the projection 53 has, near the edge 56 of the bowl 34, a wall 54 which has the shape of an inverted truncated cone and, near from the bottom of the bowl 34, a wall 55 which is parallel to this bottom 35.
  • the plate 52 can be introduced and fixed in the bowl 34 by simple pressure; it can be metallic and colored on one or on its two faces or be made of colored plastic in the mass or on its two faces.
  • the paint manufacturer can reduce its stock of covers and plates, since a plate can have the appearance of two different coatings and the covers used no longer depend on the product contained in the box.
  • the plates are colored in the mass, they can be stored without risk of deterioration due to humidity, oxygen from the ambient air, etc. These plates can be obtained, for example, by extrusion of a rod which is then cut into slices. In this case, the inserts can be stored in the form of a cutting rod.
  • the present invention is not limited to the example described above and that many modifications can be made to it.
  • the fixing of the tamper-evident ring 58 in the groove 20 could be constituted by a lug formed on the wall 26 of the groove 20 and being housed in an annular recess formed in the tamper-evident ring 58.

Description

La présente invention est relative à une boîte fermée par un couvercle, la boîte comprenant un corps ayant sur son bord supérieur, une pièce annulaire formant une nervure torique à l'intérieur de la boîte, le couvercle présentant sous son bord périphérique une cavité annulaire à fond arrondi destinée à coopérer avec la surface extérieure de la nervure torique, ainsi qu'une rainure circulaire s'étendant le long du rebord périphérique et s'ouvrant sur la face supérieure du couvercle pour servir de logement à un anneau de blocage et de scellement du couvercle sur la boîte.The present invention relates to a box closed by a cover, the box comprising a body having on its upper edge, an annular part forming a toric rib inside the box, the cover having an annular cavity under its peripheral edge. rounded bottom intended to cooperate with the external surface of the toric rib, as well as a circular groove extending along the peripheral rim and opening on the upper face of the cover to serve as a housing for a locking and sealing ring of the lid on the box.

La boîte suivant l'invention est, en particulier, destinée à contenir une peinture, un vernis, un crépi, un pigment ou un autre produit de revêtement ou entrant dans la composition d'un mélange protecteur sous forme de liquide, de pâte ou de solide finement divisé.The box according to the invention is, in particular, intended to contain a paint, a varnish, a plaster, a pigment or another coating product or used in the composition of a protective mixture in the form of liquid, paste or finely divided solid.

Une législation européenne a été établie récemment au sujet du transport de produits de peinture et de solvants dans des récipients métalliques ou non qui doivent pouvoir résister à des critères sévères de choc et de chute.European legislation has recently been established on the transport of paint products and solvents in metallic or non-metallic containers which must be able to withstand severe criteria of shock and fall.

Par le document EP-A-0186979, on connaît un récipient en matière plastique muni d'une fermeture à couvercle également en matière plastique. La boîte est munie d'une bride annulaire comportant une lèvre annulaire définissant une entrée du corps de la boîte ainsi qu'un canal d'égouttement autour de cette entrée. La bride annulaire est réalisée de préférence en polypropylène et fait partie intégrante du corps de boîte. Dans ce récipient, l'étanchéité entre le couvercle et le récipient est principalement assurée par une surface de contact limitée à une bande restreinte dans laquelle les efforts de serrage sont essentiellement radiaux. Un autre inconvénient de cette fermeture à couvercle réside dans le fait qu'elle ne peut pas être mise en oeuvre dans une boîte métallique.Document EP-A-0186979 discloses a plastic container provided with a lid closure also made of plastic. The box is provided with an annular flange comprising an annular lip defining an inlet of the body of the box as well as a drip channel around this inlet. The annular flange is preferably made of polypropylene and is an integral part of the box body. In this container, the seal between the lid and the container is mainly ensured by a contact surface limited to a restricted strip in which the clamping forces are essentially radial. Another drawback of this lid closure is that it cannot be used in a metal box.

Le document US-A-4171063 décrit une boîte munie d'une bride annulaire ayant une autre forme d'exécution pour définir l'ouverture de la boîte. La bride annulaire est ici formée à son extrémité intérieure avec une nervure torique destinée à coopérer avec le bord d'un couvercle. La surface de contact entre le couvercle et la boîte est dans ce cas plus étendue.Document US-A-4171063 describes a box provided with an annular flange having another embodiment to define the opening of the box. The annular flange is here formed at its inner end with a toric rib intended to cooperate with the edge of a cover. The contact surface between the cover and the box is in this case more extensive.

Enfin, par le document EP-A-0069892 est connu un couvercle de boîte présentant une rainure périphérique qui reçoit un anneau pour déplacer radialement le bord périphérique du couvercle de manière à amener plusieurs ergots saillants vers l'extérieur à s'engager dans une rainure radiale prévue dans la surface intérieure de l'ouverture de la boîte.Finally, from document EP-A-0069892 there is known a box cover having a peripheral groove which receives a ring for radially moving the peripheral edge of the cover so as to bring several protruding lugs outwards to engage in a groove radial provided in the inner surface of the opening of the box.

Par le document EP-A-0079472, on connaît aussi un couvercle en matière plastique pour une boîte de peinture ou analogue. Ce couvercle est formé avec une cuvette cylindrique destinée à servir de logement pour une plaquette circulaire présentant une surface visible ayant la coloration et l'aspect de la peinture contenue dans la boîte, des moyens étant prévus pour retenir la plaquette dans la cuvette.Document EP-A-0079472 also discloses a plastic cover for a paint can or the like. This cover is formed with a cylindrical bowl intended to serve as housing for a circular plate having a visible surface having the color and the appearance of the paint contained in the box, means being provided for retaining the plate in the bowl.

La présente invention vise à réaliser une boîte qui répond aux recommandations de la Commission Européenne en matière de transport de produits de peinture et solvants, en particulier en ce qui concerne la résistance au choc, l'amélioration de l'étanchéité de la fermeture par le couvercle et de l'ancrage de celui-ci sur la boîte, même en cas de choc, de manière à éviter tout risque de détachement accidentel du couvercle et à assurer en outre l'inviolabilité de la boîte afin de garantir que le contenu de celle-ci soit intact.The present invention aims to produce a box which meets the recommendations of the European Commission with regard to the transport of paint products and solvents, in particular with regard to impact resistance, improving the tightness of the closure by the lid and of the anchoring thereof on the box, even in the event of an impact, so as to avoid any risk of accidental detachment of the lid and in addition to ensure the inviolability of the box in order to guarantee that the contents of it -it is intact.

Conformément à l'invention, cet objectif est atteint par une boîte fermée par un couvercle, la boîte comprenant un corps ayant sur son bord supérieur, une pièce annulaire formant une nervure torique à l'intérieur de la boîte, une nervure torique, le couvercle présentant sous son bord périphérique une cavité annulaire à fond arrondi destinée à coopérer avec la surface extérieure de la nervure torique, ainsi qu'une rainure circulaire s'étendant le long du rebord périphérique et s'ouvrant sur la face supérieure du couvercle pour servir de logement à un anneau de blocage et de scellement du couvercle sur la boîte, laquelle est remarquable en ce que l'anneau de blocage et de scellement est formé avec un ergot ou un rebord annulaire se logeant dans un évidement annulaire ménagé dans une paroi de la rainure précitée, l'anneau de blocage et de scellement présentant dans sa face supérieure une entaille destinée à recevoir l'extrémité d'un outil pour faire sauter ledit anneau de blocage et de scellement.According to the invention, this objective is achieved by a box closed by a cover, the box comprising a body having on its upper edge, an annular part forming a toric rib inside the box, a toric rib, the cover having under its peripheral edge an annular cavity with a rounded bottom intended to cooperate with the external surface of the toric rib, as well as a circular groove extending along the peripheral rim and opening on the upper face of the cover to serve as housing with a locking and sealing ring of the cover on the box, which is remarkable in that the locking and sealing ring is formed with a lug or an annular rim accommodating in an annular recess formed in a wall of the aforementioned groove, the locking and sealing ring having in its upper face a notch intended to receive the end of a tool for making its utter said blocking and sealing ring.

Dans un mode d'exécution préféré, le couvercle est formé avec une gorge annulaire s'ouvrant dans sa face inférieure et s'étendant à l'intérieur du tracé de la rainure précitée, ladite gorge annulaire contenant avantageusement des nervures radiales pour contribuer à la rigidité radiale du bord périphérique du couvercle.In a preferred embodiment, the cover is formed with an annular groove opening in its underside and extending inside the layout of the aforementioned groove, said annular groove advantageously containing radial ribs to contribute to the radial rigidity of the peripheral edge of the cover.

D'autres particularités et détails de l'invention ressortiront de la description qui suit, dans laquelle il est fait référence aux dessins ci-annexés, dans lesquels :

  • la figure 1 est une coupe transversale d'une boîte suivant l'invention;
  • la figure 2 est à plus grande échelle, une coupe transversale d'une partie du couvercle de la boîte et de l'extrémité de celle-ci, dans laquelle s'em boîte le couvercle;
  • la figure 3 est une vue semblable à celle de la fi gure 2 montrant le couvercle emboîté dans la boîte, et
  • les figures 4, 5 et 6 sont des vues en plan et en coupes montrant un anneau de blocage et d'inviolabi lité garnissant une rainure du couvercle représenté sur la figure 2.
Other particularities and details of the invention will emerge from the description which follows, in which reference is made to the attached drawings, in which:
  • Figure 1 is a cross section of a box according to the invention;
  • Figure 2 is on a larger scale, a cross section of a portion of the cover of the box and the end thereof, in which the cover is wrapped;
  • FIG. 3 is a view similar to that of FIG. 2 showing the cover fitted into the box, and
  • FIGS. 4, 5 and 6 are plan and sectional views showing a locking and tamper-evident ring lining a groove in the cover shown in FIG. 2.

Dans ces différentes figures, les mêmes signes de référence désignent des éléments identiques.In these different figures, the same reference signs designate identical elements.

La figure 1 représente une boîte 1, de préférence cylindrique, comprenant un corps 4 fermé à une extrémité 2 par un fond 3 serti de façon connue. A son autre extrémité 5, le corps 4 est muni d'une pièce annulaire 7 apte à recevoir un couvercle circulaire amovible 6. Cette pièce annulaire 7 comporte une partie extérieure 8 qui est sertie sur la surface externe 9 du corps 4 et une partie intérieure qui s'écarte de la surface interne 11 du corps 4 et présente une extrémité intérieure 12 roulée en forme sensiblement torique. Entre sa partie extérieure 8 et son extrémité roulée 12, la pièce annulaire 7 présente une jupe 13 qui est parallèle à la surface interne 11 du corps 4 au voisinage de sa partie extérieure 8, et est perpendiculaire à ladite surface interne 11 du corps 4 au voisinage de l'extrémité roulée 12.FIG. 1 represents a box 1, preferably cylindrical, comprising a body 4 closed at one end 2 by a bottom 3 crimped in a known manner. At its other end 5, the body 4 is provided with an annular part 7 capable of receiving a removable circular cover 6. This annular part 7 has an external part 8 which is crimped on the external surface 9 of the body 4 and an internal part which deviates from the surface internal 11 of the body 4 and has an inner end 12 rolled into a substantially toroidal shape. Between its outer part 8 and its rolled end 12, the annular part 7 has a skirt 13 which is parallel to the internal surface 11 of the body 4 in the vicinity of its external part 8, and is perpendicular to said internal surface 11 of the body 4 at near the rolled end 12.

Comme le montrent plus particulièrement les figures 2 et 3, le couvercle circulaire amovible 6 présente, juste sous son bord périphérique 14, une cavité annulaire 15 à fond arrondi destinée à servir de logement à la partie torique roulée 12 de la pièce annulaire 7. La cavité 15 a des dimensions telles que la partie torique roulée 12 de la pièce annulaire 7 épouse le fond 17 de la cavité 15 sur plus de 120°, de préférence 135°, lorsque le couvercle 6 obture la boîte 1. Ainsi, une grande surface de contact 18 existe entre le couvercle 6 et la partie torique roulée 12 de manière à assurer une bonne étanchéité entre la boîte 1 et le couvercle 6 et donc une bonne fermeture de la boîte 1.As shown more particularly in Figures 2 and 3, the removable circular cover 6 has, just below its peripheral edge 14, an annular cavity 15 with a rounded bottom intended to serve as a housing for the rolled toroidal part 12 of the annular part 7. The cavity 15 has dimensions such that the rolled toric part 12 of the annular part 7 follows the bottom 17 of the cavity 15 over more than 120 °, preferably 135 °, when the cover 6 closes the box 1. Thus, a large surface contact 18 exists between the cover 6 and the rolled O-ring part 12 so as to ensure a good seal between the box 1 and the cover 6 and therefore a good closure of the box 1.

Le long de son bord périphérique 14, le couvercle 6 présente un rebord 19 dirigé vers la surface interne 11 du corps 4, ce rebord 19 surplombant la partie torique roulée 12 lorsque le couvercle 6 ferme la boîte 1. Au voisinage de son rebord périphérique 14, le couvercle 6 présente avantageusement une rainure circulaire 20 ouverte vers l'extérieur de la boîte 1 lorsque le couvercle 6 obture celle-ci. Cette rainure circulaire 20 est évasée vers l'extérieur de la boîte 1 et s'étend jusqu'à un niveau 21 (voir figure 3) situé plus bas que le niveau 22 de l'extrémité inférieure de la cavité annulaire 15.Along its peripheral edge 14, the cover 6 has a rim 19 directed towards the internal surface 11 of the body 4, this rim 19 overhanging the rolled O-ring part 12 when the cover 6 closes the box 1. In the vicinity of its peripheral rim 14 , the cover 6 advantageously has a circular groove 20 open towards the outside of the box 1 when the cover 6 closes the latter. This circular groove 20 is flared towards the outside of the box 1 and extends to a level 21 (see FIG. 3) situated lower than the level 22 of the lower end of the annular cavity 15.

A partir du bord périphérique 14 la rainure 20 est formée avec une paroi 23 inclinée par rapport à l'axe 16 de la boîte et dirigée vers l'intérieur de la boîte 1, jusqu'à un niveau 24 voisin du niveau du centre 25 de la partie roulée 12, une paroi 26 parallèle à l'axe 16 qui se termine par une partie 27 sensiblement semi-circulaire dont le fond 28 est situé à un niveau 21 inférieur au niveau 22 de l'extrémité inférieure de la cavité 15, et enfin une paroi 29 inclinée par rapport à l'axe 16 et dirigée vers l'extérieur de la boîte 1.From the peripheral edge 14 the groove 20 is formed with a wall 23 inclined with respect to the axis 16 of the box and directed towards the inside of the box 1, up to a level 24 close to the level of the center 25 of the rolled part 12, a wall 26 parallel to the axis 16 which ends in a substantially semi-circular part 27 whose bottom 28 is located at a level 21 below the level 22 of the lower end of the cavity 15, and finally a wall 29 inclined with respect to the axis 16 and directed towards the outside of the box 1.

La face inférieure du couvercle 6 présente également de façon avantageuse une gorge circulaire 30 s'ouvrant vers l'intérieur de la boîte 1, cette gorge 30 étant adjacente à la rainure précitée 20 et plus proche de l'axe 16 que ne l'est cette rainure 20. Cette gorge 30 présente, en partant du côté le plus proche de l'axe 16, une paroi 31 sensiblement parallèle à l'axe 16 qui se termine par une partie sensiblement semi-circulaire 32, et enfin une paroi 33 inclinée par rapport à l'axe 16 et évasée vers l'intérieur de la boîte 1.The underside of the cover 6 also advantageously has a circular groove 30 opening towards the inside of the box 1, this groove 30 being adjacent to the above-mentioned groove 20 and closer to the axis 16 than is this groove 20. This groove 30 has, starting from the side closest to the axis 16, a wall 31 substantially parallel to the axis 16 which ends in a substantially semicircular part 32, and finally a wall 33 inclined relative to the axis 16 and flared towards the inside of the box 1.

La rainure 20 et la gorge 30 précitées, qui sont adjacentes l'une à l'autre, procurent une certaine élasticité au bord du couvercle 6 de manière à permettre une fermeture aisée de la boîte, c'est-à-dire une introduction aisée de la partie roulée 12 du bord de la boîte 1 dans la cavité circulaire 15 du couvercle 6. Cette élasticité permet également, lorsque le couvercle 6 obture la boîte 1, l'application de forces radiales de contact entre le couvercle 6 et la partie roulée 12 et améliore ainsi l'étanchéité de la fermeture de la boîte 1. Ces forces de contact radiales sont encore accrues lorsque la boîte 1 est retournée, par la pression exercée sur la paroi 31. La boîte munie de son couvercle peut ainsi être retournée en toute sécurité.The aforementioned groove 20 and groove 30, which are adjacent to each other, provide a certain elasticity at the edge of the cover 6 so as to allow easy closing of the box, that is to say an easy introduction of the rolled part 12 of the edge of the box 1 in the circular cavity 15 of the cover 6. This elasticity also allows, when the cover 6 closes the box 1, the application of radial contact forces between the cover 6 and the rolled part 12 and thus improves the tightness of the closure of the box 1. These radial contact forces are further increased when the box 1 is inverted, by the pressure exerted on the wall 31. The box provided with its cover can thus be returned safely.

Enfin, la force de contact entre le couvercle 6 et la partie roulée 12 possède également une composante axiale grâce au pincement des extrémités de la cavité 15 sur la partie roulée 12, ceci permettant encore d'améliorer l'étanchéité de la fermeture de la boîte 1 suivant l'invention.Finally, the contact force between the cover 6 and the rolled part 12 also has an axial component thanks to the pinching of the ends of the cavity 15 on the rolled part 12, this further making it possible to improve the tightness of the closure of the box. 1 according to the invention.

Conformément à l'invention, l'étanchéité de la fermeture se trouve améliorée grâce à des nervures radiales 57 disposées dans la gorge 30 et s'appuyant à distance régulière sur les parois 31 et 32 (voir figure 5). Pour empêcher le couvercle de se détacher de la boite, la rainure 20 est garnie d'un anneau de blocage et de scellement 58 qui présente un ergot ou un rebord annulaire faisant saillie dans un évidement annulaire de la paroi 26 de la rainure 20 du couvercle 6. L'anneau de blocage et de scellement 58 s'appuie sur les parois 26 et 29 de la rainure 20 et supprime la composante d'élasticité radiale du couvercle 6. L'anneau de blocage 58 est formé avec un ergot ou rebord annulaire 42 se logeant dans un évidement annulaire ménagé dans la paroi 26 de la rainure 20.According to the invention, the sealing of the closure is improved by means of radial ribs 57 arranged in the groove 30 and bearing at regular distance on the walls 31 and 32 (see FIG. 5). To prevent the lid from detaching from the box, the groove 20 is provided with a locking and sealing ring 58 which has a lug or an annular flange projecting into an annular recess in the wall 26 of the groove 20 of the lid. 6. The locking and sealing ring 58 rests on the walls 26 and 29 of the groove 20 and removes the component of radial elasticity from the cover 6. The locking ring 58 is formed with a lug or annular rim 42 being housed in an annular recess formed in the wall 26 of the groove 20.

Comme illustré sur la figure 6, l'anneau de blocage et de scellement 58 présente une entaille 59 en forme de V renversé destinée à permettre l'introduction d'un tournevis. L'anneau de blocage 58 assure non seulement l'étanchéité de la fermeture du couvercle sur la boîte, mais également l'inviolabilité qui garantit que le contenu de la boîte est bien intact.As illustrated in FIG. 6, the locking and sealing ring 58 has a notch 59 in the shape of an inverted V intended to allow the insertion of a screwdriver. The locking ring 58 not only ensures the tightness of the closure of the lid on the box, but also the inviolability which guarantees that the contents of the box are indeed intact.

Pour ouvrir la boîte, il suffit d'introduire un tournevis 59, maintenu vertical, dans l'entaille 59 de l'anneau 58 de manière à détacher celui-ci à l'endroit de l'entaille. Ensuite, on incline le tournevis et on soulève une languette d'extrémité de l'anneau 58 brisé. On retire la languette de l'anneau 58 sur toute la longueur de la rainure 20 et on enlève le couvercle en le soulevant, éventuellement en introduisant un tournevis entre le bord périphérique 14 du couvercle et la pièce annulaire 7.To open the box, just insert a screwdriver 59, kept vertical, in the notch 59 of the ring 58 so as to detach the latter at the location of the notch. Then, tilt the screwdriver and lift an end tab of the broken ring 58. The tongue of the ring 58 is removed over the entire length of the groove 20 and the cover is removed by lifting it, possibly by inserting a screwdriver between the peripheral edge 14 of the cover and the annular part 7.

Dans un mode d'exécution préféré, le couvercle 6 présente une jupe tronconique 37 dont la petite base est dirigée vers l'intérieur de la boîte 1, cette jupe 37 s'étendant parallèlement à la paroi 23 de la rainure 20 à partir de l'extrémité de la cavité 15 la plus éloignée du bord périphérique du couvercle 6. La jupe 37 constitue le chanfrein d'un pli annulaire 38 qui présente une paroi interne tronconique 33 dont la partie évasée est dirigée vers l'intérieur de la boîte 1, cette paroi 33 étant de façon avantageuse parallèle à la paroi 29 de la rainure 20 et peut être munie sur son bord extrême 39 d'un appendice cylindrique 40 destiné à accroître l'élasticité du couvercle 6.In a preferred embodiment, the cover 6 has a frustoconical skirt 37 whose small base is directed towards the inside of the box 1, this skirt 37 extending parallel to the wall 23 of the groove 20 from the end of the cavity 15 furthest from the peripheral edge of the cover 6. The skirt 37 constitutes the chamfer of an annular fold 38 which has a frustoconical internal wall 33, the flared part of which is directed towards the interior of the box 1, this wall 33 being advantageously parallel to the wall 29 of the groove 20 and can be provided on its end edge 39 with a cylindrical appendage 40 intended to increase the elasticity of the cover 6.

Dans cette forme de réalisation préférée, plusieurs couvercles 6 peuvent être emboîtés les uns au-dessus des autres puisque la jupe 37 et la rainure circulaire 20 ont des dimensions permettant l'introduction de la jupe 37 d'un couvercle dans la rainure circulaire d'un autre couvercle. Ceci permet un stockage facile des couvercles.In this preferred embodiment, several covers 6 can be fitted one above the other since the skirt 37 and the circular groove 20 have dimensions allowing the introduction of the skirt 37 of a cover into the circular groove of another cover. This allows easy storage of the covers.

Le couvercle 6 est également formé avec une cuvette centrale 34 ouverte vers l'extérieur de la boîte 1 et dont le fond 35 est situé à un niveau 36 voisin du niveau 25 du centre de la partie roulée 12 lorsque le couvercle 6 obture la boîte 1. La cuvette 34 sert de logement à une plaquette circulaire 52 présentant une surface visible ayant l'aspect et/ou la coloration du produit contenu dans la boîte. La cuvette 34 est munie de moyens pour y retenir la plaquette 52. Ces moyens peuvent être situés de place en place au voisinage du bord 56 de la cuvette 34, mais s'étendent de préférence tout le long dudit bord 56. Ces moyens sont, par exemple, constitués par un ergot ou un rebord annulaire 53 faisant saillie dans la cuvette 34. La saillie 53 a, près du bord 56 de la cuvette 34, une paroi 54 qui présente la forme d'un tronc de cône renversé et, près du fond de la cuvette 34, une paroi 55 qui est parallèle à ce fond 35.The cover 6 is also formed with a central bowl 34 open towards the outside of the box 1 and the bottom 35 of which is located at a level 36 close to the level 25 from the center of the rolled part 12 when the cover 6 closes the box 1. The bowl 34 serves as a housing for a circular plate 52 having a visible surface having the appearance and / or the coloring of the product contained in the box. The bowl 34 is provided with means for retaining the plate 52 therein. These means may be located from place to place in the vicinity of the edge 56 of the bowl 34, but preferably extend all along said edge 56. These means are, for example, constituted by a lug or an annular rim 53 protruding into the bowl 34. The projection 53 has, near the edge 56 of the bowl 34, a wall 54 which has the shape of an inverted truncated cone and, near from the bottom of the bowl 34, a wall 55 which is parallel to this bottom 35.

La plaquette 52 peut être introduite et fixée dans la cuvette 34 par simple pression; elle peut être métallique et colorée sur une ou sur ses deux faces ou être en matière plastique colorée dans la masse ou sur ses deux faces. Lorsque les deux faces d'une plaquette 52 présentent deux couleurs différentes, le fabricant de peinture peut réduire son stock de couvercles et de plaquettes, puisqu'une plaquette peut présenter l'aspect de deux revêtements différents et que les couvercles utilisés ne dépendent plus du produit contenu dans la boîte.The plate 52 can be introduced and fixed in the bowl 34 by simple pressure; it can be metallic and colored on one or on its two faces or be made of colored plastic in the mass or on its two faces. When the two faces of a plate 52 have two different colors, the paint manufacturer can reduce its stock of covers and plates, since a plate can have the appearance of two different coatings and the covers used no longer depend on the product contained in the box.

Dans le cas où les plaquettes sont colorées dans la masse, elles peuvent être stockées sans risque de détérioration due à l'humidité, l'oxygène de l'air ambiant, etc. Ces plaquettes peuvent être obtenues, par exemple, par extrusion d'un boudin qui est ensuite découpé en tranches. Dans ce cas, les plaquettes peuvent être stockées sous forme de boudin à tronçonner.If the plates are colored in the mass, they can be stored without risk of deterioration due to humidity, oxygen from the ambient air, etc. These plates can be obtained, for example, by extrusion of a rod which is then cut into slices. In this case, the inserts can be stored in the form of a cutting rod.

Il est évident que la présente invention n'est pas limitée à l'exemple décrit ci-dessus et que bien des modifications peuvent y être apportées. Ainsi, la fixation de l'anneau d'inviolabilité 58 dans la rainure 20 pourrait être constituée par un ergot formé sur la paroi 26 de la rainure 20 et se logeant dans un évidement annulaire ménagé dans l'anneau d'inviolabilité 58.It is obvious that the present invention is not limited to the example described above and that many modifications can be made to it. Thus, the fixing of the tamper-evident ring 58 in the groove 20 could be constituted by a lug formed on the wall 26 of the groove 20 and being housed in an annular recess formed in the tamper-evident ring 58.

Claims (4)

1. A can closed by a detachable lid, the can comprising a body (4) provided at his upper end (5) with an annular member (7) forming a toric rib (12) inwardly of the can, said lid (6) having an annular cavity (15) with a rounded base beneath its peripheral edge, said annular cavity being adapted to cooperate with the outer surface of the toric rib (12), and a circular groove (20) extending along the peripheral edge (19) and opening out in the upper face of the lid for serving as a housing for a locking and sealing ring (58) for the lid onto the can, characterized in that the locking and sealing ring (58) is formed with a lug or an annular rim housed in an annular recess provided in a wall (26) of said groove (20), the locking and sealing ring (58) having in its upper face a notch (59) intended for engagement by the end of a tool for causing said locking and sealing ring (58) to be lifted.
2. The can according to claim 1, characterized in that the groove (20) has walls (23, 29) widing out at the upper face of the lid.
3. The can according to claim 1 or 2, characterized in that the lid is formed with an annular channel (30) opening out in the lower face and extending within the outline of the groove (20).
4. The can according to claim 3, characterized in that the annular channel (30) includes radial ribs (57) which assist in providing stiffness to the lid rim.
EP88870061A 1987-04-16 1988-04-13 Car with a removable cover Expired - Lifetime EP0292462B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88870061T ATE76615T1 (en) 1987-04-16 1988-04-13 BOX WITH REMOVABLE LID.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE8700411A BE1000475A3 (en) 1987-04-16 1987-04-16 Box with circular cover - has annular component fixed over top with protruding internal bead
BE8700411 1987-04-16
BE8700436 1987-04-22
BE8700436A BE1000500A3 (en) 1987-04-22 1987-04-22 Box with circular cover - has annular component fixed over top with protruding internal bead

Publications (3)

Publication Number Publication Date
EP0292462A2 EP0292462A2 (en) 1988-11-23
EP0292462A3 EP0292462A3 (en) 1989-04-12
EP0292462B1 true EP0292462B1 (en) 1992-05-27

Family

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Application Number Title Priority Date Filing Date
EP88870061A Expired - Lifetime EP0292462B1 (en) 1987-04-16 1988-04-13 Car with a removable cover

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Country Link
EP (1) EP0292462B1 (en)
JP (1) JPS63281960A (en)
DE (1) DE3871439D1 (en)
DK (1) DK207188A (en)
NO (1) NO881646L (en)

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GB1051071A (en) * 1900-01-01
FR547063A (en) * 1922-02-10 1922-11-30 J F Farwig & Company Ltd Closing system for metal boxes with lever lid
US2974825A (en) * 1959-02-24 1961-03-14 J E Plastics Mfg Corp Container
US3421653A (en) * 1967-04-11 1969-01-14 Robert E Whaley Container closure
FR2373111A1 (en) * 1976-12-01 1978-06-30 Lefebvre Et Cie Theodore Paint can shade and colour identification system - uses coloured adhesive strip divided into permanent and removable portions
US4171063A (en) * 1978-05-30 1979-10-16 Cloutier John G Containers for paints and other coating materials
GB2059400B (en) * 1979-10-04 1984-09-05 Metal Box Co Ltd Container with protective ring round its mouth
DE3122982A1 (en) * 1981-06-10 1982-12-30 Lechner + Bek GmbH, 7700 Singen Closure cap for containers provided with an edge bead
US4358024A (en) * 1981-07-10 1982-11-09 Underwood J Larry Container closure
US4389802A (en) * 1981-11-12 1983-06-28 Champion International Corporation Scalloped paperboard insert for use with plastic lid
GB8431993D0 (en) * 1984-12-19 1985-01-30 Mardon Illingworth Container

Also Published As

Publication number Publication date
NO881646L (en) 1988-10-17
DK207188D0 (en) 1988-04-15
NO881646D0 (en) 1988-04-15
DK207188A (en) 1988-10-17
JPS63281960A (en) 1988-11-18
EP0292462A2 (en) 1988-11-23
DE3871439D1 (en) 1992-07-02
EP0292462A3 (en) 1989-04-12

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