US3411660A - Container cover and method of application - Google Patents

Container cover and method of application Download PDF

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Publication number
US3411660A
US3411660A US579625A US57962566A US3411660A US 3411660 A US3411660 A US 3411660A US 579625 A US579625 A US 579625A US 57962566 A US57962566 A US 57962566A US 3411660 A US3411660 A US 3411660A
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United States
Prior art keywords
container
closure
rim
cover
edge
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Expired - Lifetime
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US579625A
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English (en)
Inventor
Lafarge Bernard Nicolas
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Albea Tubes France SAS
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Centrale des Emballages Aluminum
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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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/16—Snap-on caps or cap-like 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
    • B65D41/10—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts
    • B65D41/12—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts made of relatively stiff metallic materials, e.g. crown caps
    • B65D41/125—Caps or cap-like covers adapted to be secured in position by permanent deformation of the wall-engaging parts made of relatively stiff metallic materials, e.g. crown caps with integral internal sealing means
    • 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
    • B65D43/0233—Removable lids or covers without integral tamper element secured by rolling or other plastic deformation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2251/00—Details relating to container closures
    • B65D2251/20—Sealing means
    • B65D2251/205—Inserted
    • 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
    • B65D2543/00277—Metal
    • 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
    • B65D2543/00342—Central part of the lid
    • B65D2543/0037—Flexible or deformable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00342—Central part of the lid
    • B65D2543/00398—Reinforcing ribs in the central part of the closure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—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
    • B65D2543/00564—Contact between the container and the lid indirect by means of a gasket or similar intermediate ring
    • 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
    • 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
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings

Definitions

  • a container cover for sealing the open mouth of a container comprising an outer rim forming a side wall, a top wall integral with the outer rim, an inner wall extending downwardly from the top wall and a central frustoconically shaped portion.
  • the combination of the side wall and inner wall provides a groove, and a displaceable sealing compound is located within the groove.
  • This invention relates to a closure or cover for use in effecting a hermetic seal with containers having necks of various shapes and slight variations in dimension and it relates to a method for mounting the closure in sealing relationship onto the open mouth of the container.
  • Containers of the type with which closures of this invention may be employed have open mouths or openings which may be circular, cylindrical, frusto-conical or which may be provided with an annular lip of different cross-sections.
  • FIG. 1 is a perspective view in elevational of a closure embodying the features of this invention
  • FIG. 2 is a sectional elevational view of a portion of the closure shown in FIG. 1;
  • FIG. 3 is a sectional elevational view similar to that of 3,411,660 Patented Nov. 19, 1968 FIG. 2 but showing the closure mounted in sealing relationship on the open end of a container;
  • FIG. 4 is a top plan view of a portion of the closure shown in FIG. 1 with the section S illustrating the closure before use, as in FIG. 2, and the section S showing the closure after use, as in FIG. 3;
  • FIG. 5 is an elevational view, partially in section, showing a modification in the construction of a closure embodying the features of this invention before deformation for mounting onto the container;
  • FIG. 6 is a top plan view of the closure shown in FIG. 5;
  • FIG. 7 is an elevational view, partially in section, show ing the elements in FIG. 5 with the closure in sealing relationship on the container;
  • FIG. 8 is a top plan view of the closure shown in FIG. 7;
  • FIG. 9 is a sectional elevational view showing a further modification in a closure embodying the features of this invention and adapted for use on a round bottom flask;
  • FIG. 10 is a view similar to that of FIG. 9 showing the closure mount-ed in sealing engagement on the Container.
  • FIGS. 1-4 illustration is made of a container R having a mouth portion about the opening in the form of an upper flat rim 1, an inner wall 2 of frusto-conical shape which extends upwardly and outwardly, and an outer wall 4 of frusto-conical shape which terminates at its upper end in a cylindrical portion 3.
  • the container is subject to wide tolerances in manufacture and is of the type which usually has an irregular inner surface 2.
  • the closure or cover is formed of a sheet metal stamping having a lateral side wall portion and an upper top wall portion with a section of sealing material B on the inner face thereof.
  • the side wall portion is in the form of a frustoconical member having a vertically disposed, cylindrical section 5 terminating in an outwardly flaring lower edge portion 6 with an inwardly curled upturned edge 7.
  • a plurality of circumferentially spaced apart elongate slots 8 are provided in the cylindrical section 5 with the slots being dimensioned to have a length in the circumferential direction of more than 4 centimeters and preferably in the range of 5-7 centimeters with the slots circumferentially spaced one from the other with a solid area in between of less than 5 centimeters and preferably between 3 to 4 centimeters.
  • the sheet material struck from the cylindrical section to form the slots 8 are turned inwardly and offset along their lower edge parallel to the axis XX of the closure and with the portion located immediately beneath each slot being offset inwardly over a distance which increases from Zero offset at the ends m, p to a maximum at the center n.
  • the offset portion increases gradually for a short distance from the ends m, p and thereafter remains constant along an arc of a circle having the axis XX as tis center whereby the intermediate portion of the offset conforms to the curvature of the outer wall of the cylindrical container R when the cover is in position of the mouth of the container.
  • the edge of the inwardly offset portion 9 will operate resiliently to engage the outer wall 4 of the container R not withstanding slight differences in shape or dimension within the conventional tolerances.
  • the top wall is integral with the side wall along its peripheral edge and is formed of a central frusto-conically shaped portion 10 joined with an outer peripheral flat rim portion 11.
  • the central frusto-conical portion 10 comprises a central flat disc sectiOn 12 connected by a downwardly curved stiffening portion 14 integral with its outer edge to a narrow, flat annular band which is substantially parallel with the plane of the central disc portion 12.
  • a frusto-conical section 17 Integral with the band 15 and extending angularly downwardly and outwardly therefrom to a base 18 is a frusto-conical section 17 having a plurality of circumferentially spaced apart, substantially U-shaped lateral recesses 19 offset therein with the maximum offset at the base portion and gradually decreasing to the rim and which enables the outer base portion 18 to be displaced outwardly to the position 18 with an increase in diameter from the original value of 2rl to a value or 222 in response to depression of the base portions 12, 14 and 15 of the cover 10, as will hereinafter be explained.
  • the sealing material B which may be of a rubber base composition or the like, can be bonded at the inner surfaces of the cover defining the groove or it can merely be cast into the groove.
  • the central base portion 12 is adapted to extend beyond the level of the rim 11, when in normal position, to enable displacement of the said base portion downwardly during operation to effect sealing engagement in mounting the cover onto the open mouth of the container.
  • the cover is placed on the mouth of the container R with the upper edge of the container received within the groove 20 below the rim 11. Pressure is applied to the peripheral rim portion 11 to urge the rim portion in the direction towards the container whereby sealing material B is caused to flow about the edge of the container to effect a sealing engagement therewith.
  • a tool having an annular portion which first engages the rim to effect the described displacement.
  • the tool is adapted to be guided by a central portion and is provided with resilient means, such as springs, which bear upon a flange integral with the central portion whereby the flange initially engages the rim 11 responsive to downward pressure on the tool.
  • the central portion of the tool continues downwardly and engages the central base portion 12 to flatten the latter by downward displacement, as illustrated in FIG. 3.
  • the base 18 Responsive to such flattening of the central base portion during downward displacement, the base 18 is displaced radially outwardly from an original diameter of 2rl to 18* having a diameter of 21-2. Outward displace ment of the base 18 operates to narrow the groove 20 by deflecting the inner wall 21 outwardly to the position 21 Responsive to such decrease in cross-sectional area, sealing material B is caused further to flow, at 22, into more intimate engagement wtih the inner face of the wall of the container R to enhance the sealing relationship therebetween.
  • the cover is retained in sealing engagement about the mouth of the container by the joint action of the edge of the offset flange 19 on the one side and the sealing pressure exerted by the portion 22 on the other side. In the absence of the offset resilient flanges 19, the radial sealing pressure at 22 will be sufficient to hold the cover in position of use on the container.
  • a tool is inserted to engage the cover beneath the upturned lip 7.
  • the removed cover can be replaced for use on the same container to reestablish the desired sealing relationship by insertion of the rim of the container R into the groove 20.
  • the deformation for effecting the initial sealing relationship is more or less permanently retained in the cover, including the extension of the wall 21 and to some extent the deformation occurring in the frusto-conical section 17, particularly if use is made of aluminum or alloy of aluminum or other relatively inelastic material in the construction of the cover. A staying effect can be superimposed on the described relatively permanent deformations, as will be described with reference to the modification shown in FIGS. 9 and 10.
  • the container is illustrated in the form of a box of cylindrical shape having a lip in the form of a ring 24 rolled inwardly from the material making up the .upper edge.
  • the cover comprises a vertically disposed outer side wall 5*, free of slots, and with an inwardly turned lip or rim 7* at its lower edge.
  • the upper portion is somewhat the same as in the previous modification except that the recesses 19* in the frusto conical portion 17 are arranged in separate groups, such as the four groups shown, with equally spaced apart sections 25 in between being free of the recessed or offset portions.
  • the container is in the form of a round-bottomed flask having a curvilinear side wall extending to the open mouth with the inner surface being designated by the numeral 26.
  • the cover is of the construction described in the previous modifications with the central base portion 12 projecting upwardly beyond the edge when placed in position of use and with the central base portion depressed to 12 when actuated to effect the desired sealing engagement. Depression of the base portion produces a bracing effect as the base portion is displaced radially outwardly to the position 18" into resilient engagement with the crosswise aligned portion of the inner, upwardly converging surface 26 adjacent the upper edge of the container R It will be apparent from the foregoing that a cover is provided which is of sturdy construction and which is capable of use with containers having wide tolerances in their mouth portions to effect a firm and strong sealing engagement therebetween to enable use of the container for the storage of condiments and the like.
  • a closure for hermetically sealing the open mouth of a container comprising an integral member including a top wall portion and a lateral side Wall portion, said top wall portion comprising a central frusto-conically shaped base portion, an annular rim portion spaced outwardly from the frusto-conically shaped base portion and spaced upwardly from the outer edge thereof, an inner wall integrally joining the inner edge of the rim portion with the outer edge of the frusto-conically shaped base portion, said side wall portion being integrally joined at its upper edge with the outer edge of the rim portion to define a groove between said rim portion, side wall portion and inner wall, and a sealing compound filling at least a portion of the said groove, and wherein the side wall portion is formed with a plurality of circumferentially spaced, circumferentially extending narrow slots with the portions struck away to form the slots being inturned inwardly towards the interior of the closure, said portions turned inwardly extending from the base of the slot and being offset inwardly parallel to the top
  • a closure for hermetically sealing the open mouth of a container comprising an integral member including a top wall portion and a lateral side wall portion, said top wall portion comprising a central frusto-conically shaped base portion, said central frusto-conically shaped base portion comprising a raised central section and a skirt section extending angularly outwardly and downwardly from the central raised section, and wherein said skirt portion is formed with a plurality of circumferentially spaced apart downwardly offset portions, an annular rim portion spaced outwardly from the frusto-conically shaped base portion and spaced upwardly from the outer edge thereof, an inner wall integrally joining the inner edge of the rim portion with the outer edge of the frusto-conically shaped base portion, said side wall portion being integrally joined at its upper edge with the outer edge of the rim portion to define a groove between said rim portion, side wall portion and inner wall, and a sealing compound filling at least a portion of the said groove.
  • a closure as claimed in claim 2 in which the offset portions are arranged in equally spaced apart groups with a greater spaced relationship between the groups as between the offsets in the groups.
  • a closure in hermetically sealed relation with a container said container having a top rim defining an open mouth
  • said closure comprising an integral member including a top wall portion and a lateral side wall portion, said top wall portion comprising a central firusto-conically shaped base portion, an annular rim portion spaced outwardly from the frusto-conically shaped base portion and spaced upwardly from the outer edge thereof, an inner wall integrally joining the inner edge of the rim portion with the outer edge of the frusto-conically shaped base portion, said side wall portion being integrally joined at its upper edge with the outer edge of the rim portion to define a groove between said rim portion, side wall portion and inner wall, and a displaceable sealing compound located in said groove between the opposed surfaces defined by said side wall portion and said inner wall, said inner wall being in pressing engagement with said sealing compound thereby causing said sealing compound to intimately grip the adjacent container surface.
  • a closure for hermetically sealing the open mouth of a container comprising an integral member including a top wall portion and a lateral side wall portion, said top wall portion comprising a central frusto-conically shaped base portion, an annular rim portion spaced outwardly from the frusto-conically shaped base portion and spaced upwardly from the outer edge thereof, an inner wall integrally joining the inner edge of the rim portion with the outer edge of the frusto-conically shaped base portion, said side wall portion being integrally joined at its upper edge with the outer edge of the rim portion to define a groove between said rim portion, side wall portion and inner wall, and a displaceable sealing compound filling at least a portion of the said groove between the opposed surfaces defined by said side wall portion and said inner wall, said sealing compound normally extending away from the top wall short of the downward extent of said inner wall at least when said closure is initially placed on a container whereby said inner wall will extend downwardly in overlapping relationship with respect to the mouth of the container.
  • a closure as claimed in claim 6 in which the inner wall connecting the outer edge of the frustoconically shaped base section and the inner edge of the rim slopes in the direction away from the outer side wall portion to define a groove of trapezoidal shape therebetween.
  • a closure as claimed in claim 6 in which the side wall portion comprises a substantially cylindrical section, an outwardly flaring section integral with the lower edge of the cylindrical section and a lip on the lower edge of the flared portion.
  • a closure as claimed in claim 6 in which the side wall portion is formed with a plurality of circumferentially spaced, circumferentially extending narrow slots with the portions struck away to form the slots being inturned inwardly towards the interior of the closure.
  • a closure as claimed in claim 10 in which the slots are dimensioned to have a length within the range of 5 to 7 centimeters and in which the space between the slots is between 3 to 4 centimeters.
  • a cover onto the open mouth of a container comprising an integral member including a top wall portion and a lateral side wall portion, said top wall portion comprising a central frusto-conically shaped base portion, an annular rim portion spaced outwardly from the frusto-conically shaped base portion and spaced upwardly from the outer edge thereof, an inner wall integrally joining the inner edge of the rim portion with the outer edge of the frustoconically shaped base portion, said side wall portion being integrally joined at its upper edge with the outer edge of the rim portion to define a groove between said rim portion, side wall portion and inner wall, and a sealing compound filling at least a portion of the said groove, said method comprising the steps of positioning the cover over the mouth of the container about the open mouth seated wihin the groove, pressing the rim portion in the direction towards the container to seat the edge of the container within the sealing material in the groove and then flattening the frusto-conically shaped central base portion whereby the

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
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US579625A 1965-09-21 1966-09-15 Container cover and method of application Expired - Lifetime US3411660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR32066A FR1459118A (fr) 1965-09-21 1965-09-21 Dispositif de bouchage hermétique pour récipient et récipient bouché avec un tel dispositif

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US3411660A true US3411660A (en) 1968-11-19

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US579625A Expired - Lifetime US3411660A (en) 1965-09-21 1966-09-15 Container cover and method of application

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US (1) US3411660A (enrdf_load_stackoverflow)
AT (1) AT271313B (enrdf_load_stackoverflow)
BE (1) BE687210A (enrdf_load_stackoverflow)
CH (1) CH445325A (enrdf_load_stackoverflow)
DE (1) DE1536134B1 (enrdf_load_stackoverflow)
ES (1) ES332419A1 (enrdf_load_stackoverflow)
FR (1) FR1459118A (enrdf_load_stackoverflow)
GB (1) GB1163740A (enrdf_load_stackoverflow)
LU (1) LU52001A1 (enrdf_load_stackoverflow)
NL (1) NL6613237A (enrdf_load_stackoverflow)
OA (1) OA02260A (enrdf_load_stackoverflow)
SE (1) SE308454B (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923197A (en) * 1974-01-30 1975-12-02 Westinghouse Electric Corp Gasket assembly for enclosed electrical apparatus
US4149650A (en) * 1975-12-15 1979-04-17 Roger S. Sanderson Sterilized storage container
USD292380S (en) 1985-03-11 1987-10-20 Sealright Co., Inc. Container lid
USD298608S (en) 1985-10-10 1988-11-22 Walter L. Hood Lid for a storage container
US6189719B1 (en) * 1998-07-01 2001-02-20 Mitani Valve Co. Plastic cover for a container
US6207100B1 (en) * 1999-06-28 2001-03-27 Design Safety Corporation Closure indicator for cup lid
US6230924B1 (en) * 1999-06-28 2001-05-15 Design Safety Corporation Closure indicator for cup lid
US20060091140A1 (en) * 2004-10-28 2006-05-04 Perry Michael R Microwaveable packaged good article overcap
US20060266751A1 (en) * 2004-10-28 2006-11-30 El-Afandi Ali Removable overcap for microwaveable packaged good article

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2002270C2 (en) * 2008-12-02 2010-06-03 Huhtamaki Molded Fiber Technology B V Moulded fiber lid.
WO2011152703A1 (en) 2010-06-02 2011-12-08 Huhtamaki Molded Fiber Technology B.V. Moulded fiber lid
DE102019004899A1 (de) * 2019-07-11 2021-01-14 Patrizia Fenzl Getränkeschutzvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB417906A (en) * 1934-01-11 1934-10-15 Robert Dette Lid for boxes and like containers especially for preserve tins
US3253727A (en) * 1965-03-08 1966-05-31 Anchor Hocking Glass Corp Sealed package and closure cap therefor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1696152U (de) * 1955-01-11 1955-04-07 Adam Burkardt Fa Runddose als verpackungsbehaelter aus thermoplastischem material.
DE1714766U (de) * 1955-10-10 1956-01-05 Carl-Joachim Ploetner Mechanisch verschliessbare vielzweckpackung aus kunstharz.
FR1140556A (fr) * 1956-04-20 1957-07-29 Récipient, notamment en matière synthétique thermoplastique, à fermeture étanche
DE1181121B (de) * 1959-12-22 1964-11-05 Alfred Boenecke Kunststoffbehaelter mit aufsetzbarem Deckel
SE312593B (enrdf_load_stackoverflow) * 1967-12-29 1969-07-21 Svenska Ackumulator Ab

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB417906A (en) * 1934-01-11 1934-10-15 Robert Dette Lid for boxes and like containers especially for preserve tins
US3253727A (en) * 1965-03-08 1966-05-31 Anchor Hocking Glass Corp Sealed package and closure cap therefor

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923197A (en) * 1974-01-30 1975-12-02 Westinghouse Electric Corp Gasket assembly for enclosed electrical apparatus
US4149650A (en) * 1975-12-15 1979-04-17 Roger S. Sanderson Sterilized storage container
USD292380S (en) 1985-03-11 1987-10-20 Sealright Co., Inc. Container lid
USD298608S (en) 1985-10-10 1988-11-22 Walter L. Hood Lid for a storage container
US6189719B1 (en) * 1998-07-01 2001-02-20 Mitani Valve Co. Plastic cover for a container
US6207100B1 (en) * 1999-06-28 2001-03-27 Design Safety Corporation Closure indicator for cup lid
US6230924B1 (en) * 1999-06-28 2001-05-15 Design Safety Corporation Closure indicator for cup lid
US20020020708A1 (en) * 1999-06-28 2002-02-21 David Weiss Closure indicator for cup lid
US20060091140A1 (en) * 2004-10-28 2006-05-04 Perry Michael R Microwaveable packaged good article overcap
US20060266751A1 (en) * 2004-10-28 2006-11-30 El-Afandi Ali Removable overcap for microwaveable packaged good article
US7861881B2 (en) 2004-10-28 2011-01-04 General Mills Cereals, Llc. Removable overcap for microwaveable packaged good article
US8011524B2 (en) 2004-10-28 2011-09-06 General Mills Cereals, Llc Microwaveable packaged good article overcap

Also Published As

Publication number Publication date
AT271313B (de) 1969-05-27
CH445325A (fr) 1967-10-15
ES332419A1 (es) 1967-11-01
LU52001A1 (enrdf_load_stackoverflow) 1967-03-20
NL6613237A (enrdf_load_stackoverflow) 1967-03-22
DE1536134B1 (de) 1970-09-24
SE308454B (enrdf_load_stackoverflow) 1969-02-10
GB1163740A (en) 1969-09-10
BE687210A (enrdf_load_stackoverflow) 1967-03-21
FR1459118A (fr) 1966-04-29
OA02260A (fr) 1970-05-05

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