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EP1663803B1 - Fermeture pour boites metalliques - Google Patents

Fermeture pour boites metalliques Download PDF

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Publication number
EP1663803B1
EP1663803B1 EP04761529A EP04761529A EP1663803B1 EP 1663803 B1 EP1663803 B1 EP 1663803B1 EP 04761529 A EP04761529 A EP 04761529A EP 04761529 A EP04761529 A EP 04761529A EP 1663803 B1 EP1663803 B1 EP 1663803B1
Authority
EP
European Patent Office
Prior art keywords
tubular body
lid
contour
seal
cross
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
EP04761529A
Other languages
German (de)
English (en)
Other versions
EP1663803A1 (fr
Inventor
Antonio Carlos Teixeira Alvares
Antonio Roberto Sene
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.)
Brasilata SA Embalagens Metalicas
Original Assignee
Brasilata SA Embalagens Metalicas
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 Brasilata SA Embalagens Metalicas filed Critical Brasilata SA Embalagens Metalicas
Publication of EP1663803A1 publication Critical patent/EP1663803A1/fr
Application granted granted Critical
Publication of EP1663803B1 publication Critical patent/EP1663803B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/506—Rigid or semi-rigid members, e.g. plugs
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • 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
    • B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
    • B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
    • B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
    • B65D21/0217—Containers with a closure presenting stacking elements
    • B65D21/022—Containers with a closure presenting stacking elements the bottom presenting projecting peripheral elements receiving or surrounding the closure or peripheral elements projecting therefrom
    • 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
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
    • B65D43/0249—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element on both the inside and the outside of the mouth of the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0235—Removable lids or covers with integral tamper element
    • B65D43/0237—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element
    • B65D43/0249—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element on both the inside and the outside of the mouth of the container
    • B65D43/0252—Removable lids or covers with integral tamper element secured by snapping over beads or projections before removal of the tamper element on both the inside and the outside of the mouth of the container leaving only an inside snap after removal of the tamper element
    • 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
    • B65D7/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of metal
    • B65D7/42—Details of metal walls
    • 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
    • B65D2401/00—Tamper-indicating means
    • B65D2401/15—Tearable part of the closure
    • B65D2401/20—Frangible elements completely enclosed in closure skirt
    • 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
    • B65D2543/00342—Central part of the lid
    • B65D2543/00351—Dome-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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00629—Massive bead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—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
    • B65D2543/00731—Groove or hollow 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
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    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid

Definitions

  • the present invention refers to an improvement in a closure arrangement for a can obtained in metallic sheet and of the type which comprises a tubular body, with the lower edge affixing or incorporating a bottom wall, and with the upper edge carrying, directly by means of a deformed portion of the tubular body or by means of an annular upper wall portion which can take the form of a structural ring, a seat for the seating and retention of a press-fit plastic lid.
  • the invention is particularly related to a closure arrangement with a plastic lid for a can of the type considered above and which is used to contain products of progressive consumption, such as certain food products.
  • the cans provided with a press-fit lid, which is fitted, by pressure, in a peripheral structural ring, internal to the upper edge of the body of the can and hermetically double seamed thereto.
  • the tightness of the content is guaranteed in this type of construction, by the lid fitting in the seating and retention seat, which can be provided in the structural ring that defines the annular upper wall of the can or in the tubular body of the latter.
  • the plastic lid comprises a sealing portion, which is removably seated and retained in the seat, and a manually breakable seal, which is disposed on and around the upper end of the tubular body of the can and connected to the sealing portion by breakable connections.
  • US 2003/089715 discloses a closing arrangement for a can in accordance with the preamble of claim 1.
  • the lid is mounted with its seal disposed on and around the upper end of the can body and said upper end presents a contour which is substantially equal to the cross section contour of the tubular body of the can.
  • the lid is positioned with its seal projecting radially outwardly from the cross section contour and thus susceptible to collide with the seal of the lid of a can disposed side by side and adjacent in relation to another can.
  • the seals should incorporate, preferably in their peripheral region, a small upper circumferential wall which remains external to the lower end contour of the tubular body of a can stacked over an inferior can, in order to define a stop means to avoid undue radial displacements of a can outside the vertical alignment of a stack in which it is stored.
  • the construction allows the lids to be totally protected against contacts and collisions with the lids of other adjacent cans during different operational situations in which these cans are joined in groups of at least two units, and subject to manual or mechanical handling or transportation movements.
  • the new construction allows the seating to occur with a better load distribution of the bottom of a can over the lid of a can disposed immediately below.
  • the present closure arrangement is applied to a can made of metallic sheet, comprising a tubular body 10, with a lower end 11 affixing a bottom wall 12 and with an upper end 13 affixing, by a double seam 14, an annular upper wall 15 which internally defines a seat 16 for the hermetic seating of a lid 20.
  • the illustrated tubular body 10 presents a circular cross section, it being understood however that said cross section might present other embodiments rather than the circular.
  • annular upper wall 15 and of the seat 16 can be made in different manners, as long as it allows the lid 20 to be hermetically and securely fitted in the upper part of the can.
  • the construction of both the annular upper wall 15 and the seat 16 is accomplished as described and claimed in Brazilian patent PI 9408643-5 granted to the same applicant in Brazil and also in other countries (for example in the United States, US 5,899,352 and in Europe, EP 0706486 ), therefore dispensing the detailed description thereof in the present document.
  • the lid 20 is preferably constructed as described in the co-pending patent application of the same applicant, filed on July 24, 2003 with the number PI 0303138-1 .
  • Said lid 20 is obtained in a transparent or not transparent plastic material comprising a sealing portion 21 to be removably seated and retained in the seat 16, and presenting an external edge 21b which is seated on the upper end 13 of the tubular body 10 of the can.
  • the lid 20 further comprises, in a single piece with the sealing portion 21, a seal 25 having a lower skirt 25a generally tightly seated around the upper end 13 of the tubular body 10 and which presents an upper edge 25b which is incorporated, by means of manually breakable bridges 26, to the external edge 21b of the sealing portion 21.
  • the bridges 26 are ruptured when submitted to a certain pulling force for separating the seal 25 from the sealing portion 21, when the lid 20 is opened for the first time.
  • the sealing portion 21 incorporates a gripping tab 27 which is axially downwardly projected through an interruption 25c provided in the circumferential extension of the seal 25, for example, remaining substantially leveled with the lower skirt 25a.
  • the seal 25 comprises at least one breakable lock 28 connecting the gripping tab 27 to the lower skirt 25a.
  • the gripping tab 27 is manually operable only when part of the seal 25 is ruptured, for example upon rupture of each breakable lock 28.
  • the lower skirt 25a incorporates the ends of a seal bridge 25d circumferentially extended over the interruption 25c of the seal 25 and over the gripping tab 27.
  • the seal bridge 25d presents a first end 25e, which is incorporated to the lower skirt 25a by connecting means 25f, which are broken when said first end 25e is forced away from the lower skirt 25a, in order to permit the manual access to the gripping tab 27.
  • the gripping tab 27 is inferiorly incorporated to the seal bridge 25d by means of a breakable lock 28, in the form of one or more axial bridges which are manually broken upon the first opening of the lid.
  • the external edge 21b of the sealing portion 21 incorporates a small cylindrical lower rib 21c which involves, preferably tightly, a circumferential extension of the upper end 13 of the tubular body 10 and from which depend the bridges 26 inferiorly incorporated to the upper edge 25b of the lower skirt 25a.
  • the lower skirt 25a may incorporate an internal circumferential projection 25h, axially spaced from the external edge 21b of the sealing portion 21 and which is dimensioned to be seated and axially locked under the double seam 14 in the upper end 13 of the tubular body 10 and around the latter.
  • the upper end 13 of the tubular body 10 is shaped to present a cross section contour that is smaller than the largest cross section contour of the tubular body 10, so as to prevent the mutual contact of the lids 20 with two adjacent cans disposed side by side.
  • the tubular body 10 presents an upper portion 10a which contains the upper end 13 of the tubular body 10 and which has substantially the same cross section contour as said upper end 13.
  • Said upper portion 10a of the tubular body 10 presents a height or an extension that is larger than the height of the lower skirt 25a of the seal 25 of the lid 20.
  • the height of the upper portion 10a of the tubular body 10 is approximately twice the height of the lower skirt 25a of the lid 20.
  • the upper portion 10a of the tubular body 10 is inferiorly incorporated to a transition portion 10b, which presents a cross section profile defined by two upwardly converging straight line segments, said transition portion 10b uniting the upper portion 10a of the tubular body 10 to a basic portion 10c of the latter.
  • the basic portion 10c of the tubular body 10 defined below the transition portion 10b, presents a substantially constant cross section contour which is generally circular, said basic portion 10c being inferiorly limited by the lower end 11 of the tubular body 10.
  • the cross section contour of the basic portion 10c is substantially larger than that of the upper portion 10a, allowing the lid 20, more particularly its lower skirt 25a and its seal bridge 25d, to define a contour contained inside the cross section contour of the basic portion 10c.
  • the construction proposed by the present invention allows the contour of the lower end 11 of a tubular body 10 of a can to be sufficiently larger than the contour of the upper end 13, so as to be positioned external to the upper end 13 of a tubular body 10 disposed immediately below, when the cans are stacked.
  • the bottom wall 12 of a tubular body 10 is seated on the lid 20 of a tubular body 10 disposed immediately below in the stack, guaranteeing a better distribution of the stacking load over the lid 20.
  • the locking between the stacked tubular bodies 10 is made, by interference in the radial direction, between the lower end 11 of the upper tubular body 10 and the lower skirt 25a of the lid 20 of the tubular body 10 disposed immediately below.

Landscapes

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

Claims (6)

  1. Agencement de fermeture incluant une boîte métallique du type qui comprend : un corps tubulaire (10) comportant une extrémité inférieure fermée (11) et une extrémité supérieure ouverte (13) pourvue d'un siège (16) ; et un couvercle (20) en une seule pièce de matière plastique, comprenant une partie d'étanchement (21) destinée à être calée, de façon hermétique et amovible, sur le siège (16), et faisant saillie radialement vers l'extérieur depuis ce dernier ; et un joint (25) pouvant être rompu axialement dans une région de son extension circonférentielle et qui présente une jupe inférieure (25a) destinée à être calée étroitement autour de l'extrémité supérieure (13) du corps tubulaire (10), et un bord supérieur (25b) incorporé intérieurement à la partie d'étanchement (21) au moyen de ponts radiaux susceptibles de rupture (26) qui sont rompus lorsqu'ils sont soumis à une certaine force de traction pour séparer le joint (25) de la partie d'étanchement (21) lors de la première ouverture du couvercle (20), caractérisé en ce que : l'extrémité supérieure (13) du corps tubulaire (10), autour de laquelle est calée la jupe inférieure (25a) du joint (25) présente un contour en section transversale qui est plus petit que le contour en section transversale le plus grand du restant du corps tubulaire (10), de manière que le contour du couvercle (20) soit maintenu intérieur audit contour en section transversale le plus grand du corps tubulaire (10), évitant le contact mutuel des couvercles (20) de deux boîtes adjacentes disposées côte à côte ; et l'extrémité inférieure (11) du corps tubulaire (10) de la boîte est suffisamment plus grande que le contour de l'extrémité supérieure (13) de manière à être positionnée extérieure à une extrémité supérieure (13) d'un corps tubulaire (10) disposé immédiatement au-dessous, lorsque les boîtes sont empilées, permettant au couvercle (20) de définir un contour contenu à l'intérieur du contour en section transversale de l'extrémité inférieure (11) du corps tubulaire (10) de la boîte, dans lequel un verrouillage entre les boîtes empilées est réalisé, par interférence dans la direction radiale, entre l'extrémité inférieure (11) et la jupe inférieure (25a).
  2. Agencement de fermeture selon la revendication 1, caractérisé en ce que l'extrémité supérieure (13) du corps tubulaire (10) est définie dans une partie supérieure (10a) de celui-ci présentant sensiblement le même contour en section transversale que l'extrémité supérieure (13) et une hauteur qui est plus grande que la hauteur de la jupe inférieure (25a) du joint (25).
  3. Agencement de fermeture selon la revendication 2, caractérisé en ce que le corps tubulaire (10) comprend une partie de base (10c) définie au-dessous de la partie supérieure (10a) et qui est limitée dans la portion inférieure par l'extrémité inférieure (11) du corps tubulaire (10).
  4. Agencement de fermeture selon la revendication 3, caractérisé en ce que la partie de base (10c) du corps tubulaire (10) présente un contour en section transversale qui est sensiblement constant et plus grand que celui de la partie supérieure (10a).
  5. Agencement de fermeture selon la revendication 3, caractérisé en ce que la partie supérieure (10a) du corps tubulaire (10) est réunie à la partie de base (10c) de celui-ci par une partie de transition (10b), dont le profil en section transversale est défini par deux segments de ligne droite convergeant vers le haut.
  6. Agencement de fermeture selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps tubulaire (10) comprend en outre une paroi supérieure annulaire (15) ayant un bord externe qui est doublement serti à l'extrémité supérieure (13) du corps tubulaire (10), et un bord interne définissant le siège (16) pour caler la partie d'étanchement (21) du couvercle (20).
EP04761529A 2003-09-12 2004-09-09 Fermeture pour boites metalliques Expired - Lifetime EP1663803B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0303833-5A BR0303833B1 (pt) 2003-09-12 2003-09-12 aperfeiÇoamento em arranjo de fechamento para lata.
PCT/BR2004/000168 WO2005026009A1 (fr) 2003-09-12 2004-09-09 Agencement de fermeture pour boites metalliques

Publications (2)

Publication Number Publication Date
EP1663803A1 EP1663803A1 (fr) 2006-06-07
EP1663803B1 true EP1663803B1 (fr) 2009-07-15

Family

ID=34280670

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04761529A Expired - Lifetime EP1663803B1 (fr) 2003-09-12 2004-09-09 Fermeture pour boites metalliques

Country Status (10)

Country Link
US (1) US20070090111A1 (fr)
EP (1) EP1663803B1 (fr)
JP (1) JP2007505011A (fr)
KR (1) KR20070020165A (fr)
CN (1) CN1849244A (fr)
AR (1) AR046012A1 (fr)
BR (1) BR0303833B1 (fr)
DE (1) DE602004022064D1 (fr)
MX (1) MXPA06002856A (fr)
WO (1) WO2005026009A1 (fr)

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ES2411931T3 (es) 2008-03-20 2013-07-09 Crown Packaging Technology, Inc. Cierre
GB0807237D0 (en) * 2008-04-21 2008-05-28 Crown Packaging Technology Inc Cutting method and apparatus
JP5313793B2 (ja) * 2009-07-10 2013-10-09 大和製罐株式会社 飲料用容器
BRPI1005786A2 (pt) * 2010-12-08 2013-04-16 Brasilata Embalagens Metalicas dispositivo de fechamento para recipientes metÁlicos
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Also Published As

Publication number Publication date
CN1849244A (zh) 2006-10-18
BR0303833A (pt) 2005-05-03
KR20070020165A (ko) 2007-02-20
JP2007505011A (ja) 2007-03-08
EP1663803A1 (fr) 2006-06-07
WO2005026009A1 (fr) 2005-03-24
US20070090111A1 (en) 2007-04-26
AR046012A1 (es) 2005-11-23
MXPA06002856A (es) 2006-06-14
BR0303833B1 (pt) 2012-08-07
WO2005026009A8 (fr) 2005-04-21
DE602004022064D1 (de) 2009-08-27

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