EP1851127B1 - Système de fermeture avec étanchéité améliorée du couvercle - Google Patents

Système de fermeture avec étanchéité améliorée du couvercle Download PDF

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Publication number
EP1851127B1
EP1851127B1 EP06718765A EP06718765A EP1851127B1 EP 1851127 B1 EP1851127 B1 EP 1851127B1 EP 06718765 A EP06718765 A EP 06718765A EP 06718765 A EP06718765 A EP 06718765A EP 1851127 B1 EP1851127 B1 EP 1851127B1
Authority
EP
European Patent Office
Prior art keywords
lid
closure
peripheral wall
sealing member
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.)
Not-in-force
Application number
EP06718765A
Other languages
German (de)
English (en)
Other versions
EP1851127A1 (fr
EP1851127A4 (fr
Inventor
Marge M. Hicks
Stacy Beilke
Nicholas J. Jelich
Cori M. Blomdahl
Kelly A. Smith
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.)
AptarGroup Inc
Original Assignee
Seaquist Closures Foreign Inc
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 Seaquist Closures Foreign Inc filed Critical Seaquist Closures Foreign Inc
Priority to PL06718765T priority Critical patent/PL1851127T3/pl
Publication of EP1851127A1 publication Critical patent/EP1851127A1/fr
Publication of EP1851127A4 publication Critical patent/EP1851127A4/fr
Application granted granted Critical
Publication of EP1851127B1 publication Critical patent/EP1851127B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
    • B65D47/0804—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures integrally formed with the base element provided with the spout or discharge passage

Definitions

  • One type of prior art closure system includes a body for being attached to the top of a container.
  • the body defines an opening to the container interior.
  • the system further includes a lid which is hingedly mounted on the body and which can be lifted up to expose the opening to the container interior.
  • the closure body to which the lid is attached may be alternatively described as the closure base or base portion. Closures with a lid sealing against an intermediate part placed on the container neck are disclosed in documents such as US-A-6 283317 , US-A-5 335802 or US-A-4 387819 .
  • a closure with a hinged top or other lid structure that could provide access to the product (such as fluent products, as well as non-fluent products), and that would optionally accommodate either the insertion of a utensil through the open closure to permit the product to be scooped out of the container with a spoon, knife, ladle, etc., or accommodate the insertion of a user's hand through the open closure so that the product can be lifted out by the user's hand.
  • the improved seal had the optional capability for being incorporated in a closure having a lid that could be preferably connected with a hinge to the closure body.
  • a closure with such an improved seal should accommodate ease of use.
  • the structural features of such an improved closure should also be capable of being readily incorporated into a design that facilitates cleaning of the closure.
  • a closure with such an improved seal could be molded from thermoplastic materials in one or more pieces, and preferably molded in only one, integral unit so as to not require assembly of multiple parts.
  • the improved seal of the present invention can be incorporated into a closure system that my include one or more of the above-discussed, desired features.
  • the present invention therefore provides a closure system for a container according to claim 1, claims 2 and 3 refer to a specifically advantageous realization of the closure system according to claim 1.
  • the peripheral wall may be a closure base formed as a unitary or integral extension of the container, or may be a separate closure body for installation on the container.
  • the largest lateral dimension of the sealing surface of the peripheral wall of the sealing member distal second portion is between about 0,50% and about 0,75% smaller than the largest lateral dimension of the lid flange sealable surface.
  • the closure system of the present invention is especially suitable for (but not limited to) relatively large product discharge openings (e.g., an opening (which may be round, oval, or some other shape) wherein the minimum lateral dimension across the opening is at least 40 mm.).
  • relatively large product discharge openings e.g., an opening (which may be round, oval, or some other shape) wherein the minimum lateral dimension across the opening is at least 40 mm.
  • closure system of this invention is described in a generally upright orientation that it could have at the upper end of a container when the container is positioned upright on its base. It will be understood, however, that the closure system of this invention may be manufactured, stored, transported, used, and sold in orientations other than the orientation described.
  • closure system of this invention is suitable for use with a variety of conventional or special containers having various designs, the details of which, although not illustrated or described, would be apparent to those having skill in the art and an understanding of such containers.
  • container, per se need not form part of the invention, and therefore, any particular container that is described herein is not intended to limit the broadest aspects of the invention.
  • FIGS. 1-8 One presently preferred, first embodiment of a closure system of the present invention is incorporated in the closure that is illustrated in FIGS. 1-8 , and that is designated generally by reference number 30 in FIG. 1 .
  • the closure 30 is provided as a separately manufactured unit for mounting to the top of a container (not shown). It will be appreciated, however, that in some applications it may be desirable for the closure 30 to be formed as a unitary part, or extension, of the container wherein the unitary part or extension defines an upper end structure of the container, per se.
  • the container may be a pouch-type structure or a more rigid structure.
  • a substantially rigid, or slightly flexible-walled container typically has a conventional mouth which provides access to the container interior and product contained therein.
  • the product may be a paste-like product or fluent product (which can be scooped or ladled from the container with a spoon, knife, ladle, etc.), or a product of small, individual items, such as nuts, candies, crackers, cookies, etc. (which can be scooped out of the container, ladled out of the container, or removed by hand from the container).
  • Other contemplated products include ground coffee, sugar, or other material in the form of liquids, powders, gels, pastes, slurries, lotions, creams, etc.
  • Such materials may be sold, for example, as a food product, a personal care product, an industrial or household product (such as lotions or creams), or other composition (e.g., for internal or external use by humans or animals, or for use in activities involving medicine, manufacturing, commercial or household maintenance, construction, agriculture, etc.).
  • a substantially rigid container or slightly flexible-walled container typically may have a neck or other suitable structure defining the container mouth having a cross-sectional configuration with which the closure 30 is adapted to engage.
  • the body of the container may have another cross-sectional configuration that differs from the cross-sectional configuration of the container mouth.
  • the container may, on the other hand, have a substantially uniform shape along its entire length or height without any neck portion of reduced size or different cross-section.
  • the container may also be a pouch or bag fabricated from a relatively thin, flexible film, or the container may be a squeezable container having a flexible wall or walls which can be grasped by the user and compressed somewhat.
  • One embodiment of the closure 30 is especially suitable for use with a container that has substantially inflexible walls that are not intended to be squeezed inwardly by the user.
  • Another embodiment is especially suitable for a flexible pouch-type container.
  • the preferred structure of the closure 30 comprises (A) a peripheral wall 32 that defines the closure base or body 32, and (B) a lid 34 joined to the peripheral wall 32 (i.e., the closure base or body) by a hinge 36 which may be of any suitable conventional hinge design known in the closure art, or which may be of a special design, the details of which form no part of the present invention.
  • the hinge 36 incorporates the hinge design of the snap-action type disclosed in the U.S. Patent No. 4,403,712 .
  • the closure peripheral wall 32 i.e., the closure base or body
  • lid 34 i.e., the hinge 36
  • a suitable thermoplastic material such as polypropylene or the like
  • an integral structure which may include a bi-injection molded feature or other multi-step injection molded features.
  • Other materials may be employed instead.
  • the lid 34 could be a piece that is separate from the peripheral wall 32 (i.e., closure base or body), and that is not connected to the peripheral wall 32 by any hinge.
  • the lid 34 and peripheral wall 32 could be separate pieces that each has a cooperating portion of a hinge and that can be assembled together to provide a hinged assembly for accommodating pivoting movement of the lid 34 on the peripheral wall 32 between the closed and open positions.
  • the peripheral wall 32 (or even the entire closure 30) need not be a structure or assembly that is completely separate from the container.
  • the container could be made with a dispensing end structure that incorporates the closure 30, or at least the peripheral wall 32, as a unitary part of the top of the container.
  • the illustrated first embodiment closure 30 could be modified so that it is formed as an extension of the top of the container, and the extending portion defining the closure peripheral wall 32 could then be characterized as a structural feature that functions to accommodate communication with the container interior.
  • the peripheral wall 32 (whether it is a unitary portion of the top of the container or a separate piece that is releasably or permanently mounted at the top of the container) may be characterized as a peripheral wall for extending from the container around the opening to the container.
  • the container may have an initially open bottom end opposite the top end on which the closure 30 is located, and such a bottom end could be used for accommodating the filling of the inverted container with the product.
  • the open bottom end of the container could be closed by suitable means, such as by a separate bottom end closure which could be attached to the container bottom end (e.g., through a suitable threaded engagement, snap-fit engagement, adhesive engagement, thermal bonding engagement, etc.).
  • suitable means such as by a separate bottom end closure which could be attached to the container bottom end (e.g., through a suitable threaded engagement, snap-fit engagement, adhesive engagement, thermal bonding engagement, etc.).
  • such an open bottom portion of the container could be deformed closed (e.g., with an appropriate process applying heat and force if the container bottom end portion is made from a thermoplastic material or other material that would accommodate the use of such a process).
  • the peripheral wall 32 is the base or body of a separate closure 30, as in the preferred, first embodiment illustrated in FIGS. 1-8 , the peripheral wall 32 may have a skirt 40 ( FIGS. 2 and 4 ) with a screw thread 42 ( FIG. 2 ) for releasably attaching the base or body 32 to a mating thread of a container (not shown).
  • the peripheral wall 32 will be usually referred to simply as the closure base or body 32.
  • the closure body 32 and container could also be releasably connected by providing the body 32 with a conventional bead (not shown) for snap-fit engagement with a mating container groove (not shown), or by other means.
  • the closure body 32 may be permanently attached to the container by means of induction bonding, ultrasonic bonding, gluing, or the like, depending upon the materials employed for the container and closure body 32.
  • the interior of the body 32 may also include special or conventional seal features to provide an enhanced leak-tight seal between the closure body 32 and the container.
  • the illustrated body 32 employs such an enhanced seal feature in the form of a conventional "crab's claw” type of seal 44 ( FIG. 2 ) for sealing against the container.
  • the closure body 32 includes an upwardly projecting spout 50 ( FIGS. 5 and 7 ) which has a cylindrical exterior surface 52 ( FIG. 7 ) having an outside diameter D 1 ( FIG. 7 ).
  • the inside of the spout 50 is defined in part by an interior surface 54 ( FIG. 7 ) which has a diameter D 2 and which has an annular, cylindrical configuration concentric with the spout exterior surface 52.
  • the closure body 32 and in particular the spout 50, defines a dispensing passage for communicating with the opening of the container (not shown) and defines a product discharge direction that is generally perpendicular to the container opening through which the product can be removed (by pouring, scooping, lifting out, etc.).
  • the closure body 32 includes a sealing member 60 ( FIG. 7 ) which extends laterally inwardly from the spout interior surface 54 so that it is cantilevered over the container opening when the closure 30 is installed on the container.
  • the sealing member 60 includes a first portion 61 and a distal second portion 62 extending from the first portion 61.
  • the first portion 61 tapers so that it becomes thinner in the radially inward direction.
  • the exterior surface of the sealing member first portion 61 is defined by a circular radius R 1 .
  • the interior surface of the sealing member 60, extending along the sealing member first portion 61as well as along the sealing member distal second portion 62, is defined by a circular radius R 2 .
  • the radius R 1 and the radius R 2 are located so that the arcuate surface defined by radius R 1 and the arcuate surface defined by the radius R 2 each becomes tangent to horizontal planes passing through the spout in an orientation perpendicular to the discharge direction.
  • the arcuate surface defined by the radius R 1 is tangent to an upper plane P 1 ( FIG. 7 )
  • the arcuate surface defined by the radius R 2 is tangent to a lower plane P 2 ( FIG. 7 ).
  • the maximum thickness of the sealing member 60 where it attaches to the spout 50 between the planes P 1 and P 2 is designated T 1 in FIG. 7 .
  • the sealing member exterior arcuate surface defined by the radius R 1 has a radially inwardly extending length designated L 1 in FIG. 7 .
  • the sealing member 60 extends radially inwardly from the spout interior surface 54 for a distance or length L 2 as designated in FIG. 7 .
  • the total height of the sealing member 60 is designated as H 1 in FIG. 7 .
  • the sealing member 60 projects below the point where the arcuate interior surface defined by the radius R 2 merges with the spout 50 (at the plane P 2 ), and the amount of this projection is shown in FIG. 7 as the distance H 2 .
  • the sealing member distal second portion 62 has a radially inward end which, in the transverse cross-sectional configuration as illustrated in FIG. 7 , is defined by (i) a laterally inwardly extending top arcuate surface 71, (ii) a laterally inwardly extending bottom arcuate surface 72, and (iii) a sealing surface 74 that is generally parallel to the discharge direction and that extends between, and merges with, the top arcuate surface 71 and bottom arcuate surface 72.
  • the sealing surface 74 defines the most radially inwardly extent of the sealing member distal second portion, and the sealing surface 74 has a cylindrical or annular configuration having a diameter D 4 as illustrated in FIG. 7 .
  • the vertical height of the sealing surface 74, in the direction parallel to the discharge direction, is designated H 3 in FIG. 7 .
  • the sealing surface 74 is adapted to coact with a feature on the lid 34 when the lid 34 is closed as explained in detail hereinafter.
  • the member 60 has a generally tapering configuration over a major portion of its length.
  • the thinnest region occurs at the location where the distal second portion 62 is connected to the first portion 61, and the thinnest region dimension is designated T 2 in FIG. 7 .
  • the closure body 32 includes a peripheral shoulder 80 for receiving the lid 34 when the lid 34 is closed.
  • the lid 34 includes an outer frame or skirt 82 for confronting the closure body shoulder 80 when the lid 34 is closed.
  • the frame or skirt 82 includes a radially inwardly extending annular portion 84 ( FIGS. 2 and 6 ) which terminates in a circular opening 86.
  • the opening 86 is covered by an insert disk 88 ( FIGS. 2 , 3 , and 5 ) which is preferably bi-injection molded onto the annular portion 84.
  • the disk 88 may be of the same material as the rest of the closure 30 or may be a different material.
  • the disk 88 is a translucent material, and it may have a different tint or color than the rest of the closure. In other contemplated embodiments, a separate disk 88 need not be employed. Rather, the entire top of the lid 34 could be molded as one unitary structure together with the hinge 36 and body 32, and such a structure would not incorporate any bi-injection molded portions or features.
  • the closure body 32 In order to hold the lid 34 in the closed position, the closure body 32 includes an upwardly projecting, annular flange 90. At the front of the closure body 32, the flange 90 includes an outwardly projecting engaging bead 92 for engaging a cooperating bead 94 on the inside of the closure lid skirt 82 at the front of the lid 34 ( FIG. 5 ). As can be seen in FIG. 2 , the front of the lid 34 has an outwardly projecting portion 96 for functioning as a finger or thumb lift to assist the user in lifting the lid.
  • the lid 34 includes a closure flange 100 which projects from the underside of the lid 34.
  • the lid closure flange 100 defines a peripheral sealable surface 102 which is generally cylindrical and defines a diameter D 3 as illustrated in FIG. 6 .
  • the diameter D 3 of the lid sealable surface 102 is larger than the diameter D 4 of the closure body sealing member sealing the surface 74.
  • the outer, distal edge of the flange 100 is tapered or chamfered at 104 as illustrated in FIG. 6 .
  • FIG. 8 illustrates the lid 34 in an intermediate position as it is being closed on the closure body 32, and FIG. 8 shows how the closure lid flange 100 begins to engage the closure body sealing member 60 just prior to deforming the sealing member 60 radially outwardly.
  • the diameter D 3 of the closure lid flange sealable surface 102 should be somewhat larger than the inner diameter of the closure body sealing member sealing surface 74 as measured in the as-molded, unstressed condition (diameter D 4 in FIG. 7 ).
  • the largest lateral dimension of the sealing surface 74 of the sealing member distal second portion 62 is between about 0.3% and about 2.0% smaller than the largest lateral dimension of the lid flange sealable surface 102 (i.e., dimension D 3 ) as measured across the locus of the periphery of the lid flange 100 defined by the lid flange sealable surface 102.
  • a presently most preferred range of the largest lateral dimension of the sealing member sealing surface is between about 0.50% and about 0.75% smaller than the largest lateral dimension of the lid flange sealable surface 103.
  • the lid flange sealable surface 102 and the peripheral wall sealing member distal second portion 62 interfere when the lid 34 is in the closed position so as to force the peripheral wall sealing member distal second portion 62 radially outwardly a distance that is between about 0.05 mm, and about 0.51 mm., and that is preferably about 0.21 mm, or at least as great as about 0.20 mm.
  • a presently preferred range for the height H 3 ( FIG. 7 ) of the sealing surface 74 is between about 0.10 mm, and about 1.02 mm, for round and oval closures. It is preferable to design the sealing surface 74 of the peripheral wall sealing member distal second portion so that it has a height H 3 ( FIG. 7 ) based on a desired ratio of the sealing surface height H 3 to the distance L 2 (where L 2 is the laterally inward extension of the sealing member 60 from the spout interior surface 54). Such a desired ratio of H 3 to L 2 is between about 0.08 and about 0.17. This helps to provide a good seal without creating excessive fictional forces when the lid is closed and opened--thereby facilitating operation of the lid and also reducing wear on the sealing surfaces. In presently preferred embodiments identified in TABLE 1 discussed below, the sealing member distal second portion sealing surface 74 has a height (i.e., height H 3 in FIG. 7 ) between only about 0.15 mm, and about 0.35 mm.
  • the peripheral wall sealing member distal second portion sealing surface 74 height H 3 ( FIG. 7 ), as measured along the discharge direction, can be characterized as being between about 0.25% and about 0.38% of the largest lateral dimension D 4 ( FIG. 7 ) as measured across the locus defined by the sealing surface 74 when the lid 34 is in the open condition.
  • the ratio H 3 /D 4 i.e., the ratio of the sealing member sealing surface height H 3 to the largest lateral dimension D 4 of the seal member sealing surface 74
  • the peripheral wall interior surface 54 preferably has a maximum lateral dimension X (e.g., diameter D 2 ) defined as the largest lateral dimension defined by the peripheral wall interior surface 54 as measured perpendicular to the discharge direction
  • the sealing surface 74 of the sealing member distal second portion 62 has a maximum lateral dimension Y (e.g., diameter D 4 ) defined as the largest lateral dimension measured across the locus defined by the sealing surface 74 measured perpendicular to the discharge direction
  • the ratio of X to Y is between about 1.04 and about 1.08.
  • the lid flange sealable surface 102 extends inwardly in the direction opposite to the discharge direction, beyond the peripheral wall sealing member 60 by an amount designated S in FIG. 3 . It has been found that some projection of the surface 62 beyond the deformed sealing member 60 is useful in insuring good operation of the seal between the lid flange 100 and the sealing member 60--especially for a closure 30 which has a relatively large discharge opening (e.g., 40 mm, or more) and which must accommodate creep or relaxation of the stressed closure material.
  • a relatively large discharge opening e.g. 40 mm, or more
  • the extension S of the lid flange 100 below the sealing member 60 is also useful in circumstances wherein the interior pressure in the package can act to impose an outwardly directed force on the lid 34, including when the closed package is inverted.
  • the lid flange sealable surface 102 extends a distance S beyond the closure body sealing member 60 by an amount which is at least as great as 0.59% of the largest lateral dimension measured across the locus of the periphery defined by the lid flange sealable surface (i.e., dimension D 3 for the circular closure lid flange 100 illustrated in FIG. 3 ).
  • the extension distance S is between about 0.5% and about 10.0% of D 3 for a round closure (where D 3 is the diameter of the lid flange 100) or an oval closure (where D 3 for an oval closure is the length of the major axis).
  • the distance S is between about 0.60% and about 2.60% of the largest lateral dimension D 3 of the lid flange sealable surface 102.
  • the extension distance S helps to provide a good seal without creating excessive frictional forces during opening and closing of the lid--thereby facilitating operation of the lid and also reducing wear on the sealing surfaces.
  • the lid flange sealable surface 102 extends a distance S that is at least 1.40 mm, inwardly, in the direction opposite to the discharge direction beyond the peripheral wall sealing member 60 when the lid 34 is in the closed position.
  • the term "largest lateral dimension" has been employed with respect to a particular feature of interest.
  • the "largest lateral dimension” is the diameter of the particular feature.
  • the "largest lateral dimension” would be the major axis of the oval or elliptical feature.
  • TABLE 1 identifies two different sizes of a preferred embodiment of a round closure, closure A and closure B, and also identifies one embodiment of an oval closure C (discussed in detail following TABLE 1).
  • TABLE 1 identifies various parameters and relationships for each round closure A and B, including those parameters and relationships discussed above, and identifies various parameters and relationships for the oval closure C as discussed in detail following TABLE 1.
  • the numbers in column A (for closure A), column B (for closure B), and in column C (for oval closure C) are in millimeters, except for numbers in TABLE 1 that are followed by a percent sign. Numbers followed by a percent sign are the ratio of the parameters listed in the far left-hand column multiplied by 100.
  • the listed values of the parameters are preferred values which have been found to provide the desired operation of the closure with respect to sealing and with respect to providing a structure with sufficient ruggedness or robustness to accommodate manufacturing tolerances, handling, and normal internal container pressures (including pressures applied to the closure lid from the product in an inverted container and/or from impacts upon the container).
  • FIGS. 9-15 A second embodiment of the present invention is illustrated in FIGS. 9-15 wherein an elliptical or oval closure 30A is shown.
  • the closure 30A includes a peripheral wall, base or body 32A for extending from a container (not shown) around an opening to the container interior and through which the product can be removed in a discharge direction that is perpendicular to the opening.
  • the closure 30A also includes a lid 34A which is movable between (1) a closed position occluding the opening, and (2) a fully open position exposing the opening.
  • the lid 34A is connected to the peripheral wall 32A by means of a floppy hinge 36A.
  • the hinge 36A could be omitted altogether.
  • the hinge 36A could be another type of hinge, such as a snap-action hinge.
  • the peripheral wall 32A includes a base flange 41 A which extends laterally outwardly and which is adapted to be sealed to the wall of a container defining a discharge opening around which the flange 41A is mounted.
  • the container could be generally rigid or flexible.
  • the second embodiment of the closure 30A is especially suitable for use on a flexible container.
  • the flexible container may be any suitable flexible container, including, but not limited to, a pouch-type container made from a thin, flexible, thermoplastic film.
  • the flange 41A can be heat-sealed or secured with adhesive to the wall of the container. Other attachment systems may be employed, including purely mechanical attachment systems.
  • the peripheral wall 32A is initially molded first, and then the closure lid 34A is bi-injection molded to the peripheral wall 32A.
  • the closure 30A includes a floppy-type hinge 36A illustrated in FIG. 14
  • a lower portion of the hinge 36A is initially molded as a unitary extension of the peripheral wall 32A, and an upper part of the hinge is molded as a unitary extension of the lid 34A.
  • the two hinge extensions are connected together outwardly of the hinge fold line when the lid 34A is bi-injection molded onto the peripheral wall 32A.
  • the lid 34A preferably includes a downwardly extending latch tab 37A for being received in a snap-fit type engaging slot 39A in the peripheral wall 32A.
  • the snap-fit engagement can be overcome when sufficient force is applied by the user's finger or thumb to the lid 34A in an upward direction to lift the lid 34A away from the peripheral wall 32A.
  • the peripheral wall 32A includes a sealing member 60A.
  • the undeformed, as-molded configuration of the sealing member 60A and of the lid flange 100A is identical with the configuration of the sealing member 60 and lid flange 100, respectively, as described above in detail for the first embodiment of the closure illustrated in FIGS. 1-8 .
  • the lid 34A includes an outwardly projecting flange 100A.
  • the flange 100A is adapted to be sealed by the sealing member 60A when the lid 34A is closed on the peripheral wall 32A as illustrated in FIG. 13 .
  • the sealing member 60A includes a sealing surface 74A that has an overall oval configuration and that is flat as viewed in cross section in FIG. 13 so that it is generally parallel to the product discharge direction.
  • the surface 74A is adapted for sealing against a peripheral sealable surface 102A on the exterior of the lid flange 100A.
  • the sealing member 60A has an oval configuration
  • the lid sealable flange 100A has a cooperating oval configuration.
  • the major axis of the oval configuration of a particular feature of the closure 30A may be characterized as the "largest lateral dimension" of that particular feature.
  • the various lateral dimensions of the features of the closure sealing member 60A and lid flange 100A may be conveniently designated by the same dimensional signifiers used for illustrating the first embodiment of the closure 30 in FIGS. 3 and 7 . That is, the various dimensions such as D 1 , D 2 , D 3 , D 4 , L 1 , L 2 , H 1 , H 2 , H 3 , T 1 , T 2 , etc.
  • top arcuate surface 71, 71A, and bottom arcuate surface 72, 72A function to facilitate the closing and opening engagement of the closure lid sealable flange 100, 100A with the peripheral wall sealing member 60, 60A, and that these arcuate surfaces 71, 71A, 72, 72A further eliminate sharp corner edges that a user might find objectionable when contacted by the user's fingers.
  • the configuration and size relationships of the cooperating structures contribute to providing an arrangement in which the lid sealable flange 100, 100A is properly guided during closing of the lid 34, 34A so as to facilitate proper closing and sealing, especially for "wide mouth" sizes (e.g., 40 mm. or greater).
  • the arrangement also is sufficiently robust to accommodate some warpage or other distortion--as well as normal handling during manufacturing, shipping and use--without deleterious effects on the sealing capability.

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

Claims (3)

  1. Système de fermeture pour un conteneur qui a un espace intérieur dans lequel un produit peut être conservé, ledit système de fermeture comportant :
    (A) une paroi périphérique (32) s'étendant à partir dudit conteneur autour d'une ouverture jusqu'à l'espace intérieur de conteneur, et à travers laquelle le produit peut être retiré dans une direction d'évacuation qui est perpendiculaire à ladite ouverture, et
    (B) un couvercle (34) mobile entre (1) une position fermée occluant ladite ouverture, et (2) une position entièrement ouverte exposant ladite ouverture, et dans lequel
    (a) ladite paroi périphérique (32) inclut un élément d'étanchéité (60) s'étendant latéralement vers l'intérieur, en porte-à-faux au-dessus d'une partie de ladite ouverture, ledit élément d'étanchéité (60) incluant une première partie (61) et une seconde partie distale (62) s'étendant à partir de ladite première partie (61) pour définir une surface d'étanchéité (74) qui est généralement parallèle à ladite direction d'évacuation,
    (b) ledit couvercle (34) inclut un rebord de fermeture (100) qui définit une surface périphérique pouvant être étanchéifiée (102) qui, lorsque ledit couvercle (34) est dans ladite position fermée,
    (i) est orientée généralement parallèlement à ladite direction d'évacuation,
    (ii) est en contact étanche avec ladite surface d'étanchéité de ladite seconde partie distale dudit élément d'étanchéité de ladite paroi périphérique de manière à forcer ladite seconde partie distale latéralement vers l'extérieur, et
    (c) la plus grande dimension latérale de ladite surface d'étanchéité (74) de ladite seconde partie distale (62) de l'élément d'étanchéité de paroi latérale périphérique (60), lorsque mesurée perpendiculairement à ladite direction d'évacuation et à travers l'emplacement défini par ladite surface d'étanchéité de ladite paroi périphérique de ladite seconde partie distale de l'élément d'étanchéité (60) lorsque ledit couvercle (34) est ouvert, est comprise entre environ 0,3 % et environ 2,0 % plus petite que la plus grande dimension latérale de ladite surface de rebord de couvercle pouvant être étanchéifiée (102) lorsque mesurée à travers l'emplacement de la périphérie de rebord définie par ladite surface de rebord de couvercle pouvant être étanchéifiée de sorte que, lorsque ledit couvercle (34) est fermé, ladite seconde partie distale (62) de l'élément d'étanchéité de paroi périphérique (60) est forcée latéralement vers l'extérieur par ladite surface de rebord de couvercle pouvant être étanchéifiée (102).
  2. Système selon la revendication 1, dans lequel ledit système est une fermeture qui est séparée d'un conteneur, mais qui peut être fixée sur celui-ci, qui a une ouverture vers l'espace intérieur de conteneur,
    ladite fermeture inclut un corps définissant ladite paroi périphérique,
    et ledit couvercle et ledit corps sont moulés sous la forme d'une structure unitaire réunie par une articulation.
  3. Système selon la revendication 1 dans lequel
    (1) lorsque ledit couvercle est dans ladite position fermée, ladite surface de rebord pouvant être étanchéifiée s'étend vers l'intérieur, dans la direction opposée à ladite direction d'évacuation, au-delà dudit élément d'étanchéité de paroi périphérique, d'une quantité qui est comprise entre environ 0,5 % et environ 10,0 % de la plus grande dimension latérale mesurée à travers l'emplacement de la périphérie définie par ladite surface de rebord de couvercle pouvant être étanchéifiée,
    (2) ladite paroi périphérique a une surface intérieure à partir de laquelle ledit élément d'étanchéité s'étend, et
    dans lequel ladite surface intérieure de paroi périphérique a une dimension X définie comme la plus grande dimension latérale à travers l'emplacement défini par ladite surface intérieure de paroi périphérique lorsque mesurée perpendiculairement à ladite direction d'évacuation, dans lequel ladite surface d'étanchéité de ladite seconde partie distale d'élément d'étanchéité a une dimension Y définie comme la plus grande dimension latérale mesurée à travers l'emplacement défini par ladite surface d'étanchéité de ladite seconde partie distale d'élément d'étanchéité lorsque mesurée perpendiculairement à la direction d'évacuation, et dans lequel le rapport de X sur Y est compris entre environ 1,04 et environ 1,08,
    (3) ladite surface d'étanchéité de la seconde partie distale d'élément d'étanchéité de paroi périphérique a une hauteur, lorsque mesurée le long de ladite direction d'évacuation, et le rapport de ladite hauteur de surface d'étanchéité sur ladite dimension de surface intérieure de paroi périphérique X est compris entre environ 0,08 et 0,17,
    (4) ladite première partie d'élément d'étanchéité s'amincit et devient plus mince dans la direction radialement vers l'intérieur, et
    (5) ladite première partie d'élément d'étanchéité est définie par une première surface extérieurement convexe et une seconde surface intérieurement concave.
EP06718765A 2005-02-25 2006-01-19 Système de fermeture avec étanchéité améliorée du couvercle Not-in-force EP1851127B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06718765T PL1851127T3 (pl) 2005-02-25 2006-01-19 Układ zamknięcia z ulepszonym uszczelnieniem pokrywki

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/066,751 US20060191933A1 (en) 2005-02-25 2005-02-25 Closure system with improved sealing of lid
PCT/US2006/001744 WO2006093579A1 (fr) 2005-02-25 2006-01-19 Système de fermeture avec étanchéité améliorée du couvercle

Publications (3)

Publication Number Publication Date
EP1851127A1 EP1851127A1 (fr) 2007-11-07
EP1851127A4 EP1851127A4 (fr) 2009-10-21
EP1851127B1 true EP1851127B1 (fr) 2010-08-25

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US (1) US20060191933A1 (fr)
EP (1) EP1851127B1 (fr)
JP (1) JP2008531410A (fr)
CN (1) CN100572208C (fr)
AR (1) AR055864A1 (fr)
AT (1) ATE478809T1 (fr)
AU (1) AU2006219092B2 (fr)
BR (1) BRPI0606190A2 (fr)
CA (1) CA2599202C (fr)
DE (1) DE602006016404D1 (fr)
ES (1) ES2349306T3 (fr)
MX (1) MX2007010213A (fr)
PL (1) PL1851127T3 (fr)
RU (1) RU2372265C2 (fr)
WO (1) WO2006093579A1 (fr)

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US9974419B2 (en) 2014-04-23 2018-05-22 The Clorox Company Disinfecting wipes dispenser
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US9974419B2 (en) 2014-04-23 2018-05-22 The Clorox Company Disinfecting wipes dispenser
US10039425B2 (en) 2014-04-23 2018-08-07 The Clorox Company Disinfecting wipes dispenser
US10806309B2 (en) 2014-04-23 2020-10-20 The Clorox Company Disinfecting wipes dispenser
US11439281B2 (en) 2014-04-23 2022-09-13 The Clorox Company Disinfecting wipes dispenser
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USD773930S1 (en) 2015-04-13 2016-12-13 The Clorox Company Lid with an orifice

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DE602006016404D1 (de) 2010-10-07
RU2007135348A (ru) 2009-03-27
CN100572208C (zh) 2009-12-23
CA2599202A1 (fr) 2006-09-08
WO2006093579A1 (fr) 2006-09-08
EP1851127A1 (fr) 2007-11-07
BRPI0606190A2 (pt) 2009-06-09
EP1851127A4 (fr) 2009-10-21
US20060191933A1 (en) 2006-08-31
CN101128365A (zh) 2008-02-20
RU2372265C2 (ru) 2009-11-10
MX2007010213A (es) 2007-11-07
AU2006219092B2 (en) 2011-12-08
ATE478809T1 (de) 2010-09-15
ES2349306T3 (es) 2010-12-29
PL1851127T3 (pl) 2011-02-28
AR055864A1 (es) 2007-09-12
AU2006219092A1 (en) 2006-09-08
JP2008531410A (ja) 2008-08-14
CA2599202C (fr) 2014-04-08

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