EP0995693A1 - Procédé de fabrication d'un récipient à couvercle refermable et récipient ainsi obtenu - Google Patents

Procédé de fabrication d'un récipient à couvercle refermable et récipient ainsi obtenu Download PDF

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Publication number
EP0995693A1
EP0995693A1 EP99307774A EP99307774A EP0995693A1 EP 0995693 A1 EP0995693 A1 EP 0995693A1 EP 99307774 A EP99307774 A EP 99307774A EP 99307774 A EP99307774 A EP 99307774A EP 0995693 A1 EP0995693 A1 EP 0995693A1
Authority
EP
European Patent Office
Prior art keywords
container
overcap
membrane disc
open upper
substrate
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.)
Granted
Application number
EP99307774A
Other languages
German (de)
English (en)
Other versions
EP0995693B1 (fr
Inventor
Calvin Hill
Rob Hunting
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.)
Sonoco Development Inc
Original Assignee
Sonoco Products Co
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 Sonoco Products Co filed Critical Sonoco Products Co
Publication of EP0995693A1 publication Critical patent/EP0995693A1/fr
Application granted granted Critical
Publication of EP0995693B1 publication Critical patent/EP0995693B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D51/00—Closures not otherwise provided for
    • B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • B65D51/22—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure
    • B65D51/228—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing having means for piercing, cutting, or tearing the inner closure a major part of the inner closure being removed from the container after the opening
    • 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
    • B65D2251/0003—Two or more closures
    • B65D2251/0006—Upper closure
    • B65D2251/0018—Upper closure of the 43-type
    • 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
    • B65D2251/0003—Two or more closures
    • B65D2251/0068—Lower closure
    • B65D2251/0093—Membrane
    • 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
    • B65D2543/00268—Paper
    • 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
    • B65D2543/00527—NO contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—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
    • B65D2543/00592—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
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality

Definitions

  • This invention relates to a process for producing a container having a resealable closure and more particularly to a process for producing a paper container closed at one end with a membrane disc and a paper overcap which may be used for resealing the container after opening thereof through the membrane.
  • Containers have heretofore been provided for dry products including food, various powdered and the like products which have comprised a container body portion constructed primarily of paper, a heat sealable membrane closure on one end thereof and a plastic overcap covering the membrane closed end so that when the membrane is broken to obtain access to the product in the interior of the container, the plastic overcap may be used to reclose the container.
  • a container body portion constructed primarily of paper
  • a heat sealable membrane closure on one end thereof
  • plastic overcap covering the membrane closed end so that when the membrane is broken to obtain access to the product in the interior of the container, the plastic overcap may be used to reclose the container.
  • a hollow container of desired shape and having an open upper end of desired dimensions is provided.
  • An overcap substrate is provided.
  • a heat sealable membrane disc of desired shape and dimensions is provided to cover the open upper end of the hollow container.
  • the membrane disc is laminated to the overcap substrate with a material which releases the membrane disc from the overcap substrate under the application of heat.
  • an overcap of desired shape and dimension is fabricated to fit over the open upper end of the hollow container from the substrate with the membrane disc on the inside thereof.
  • the overcap is then positioned over the open upper end of the hollow container so that the membrane disc is in contact with and covers the open upper end of the container. Heat is applied to the overcap to effect heat sealing of the membrane disc to the upper end of the container to hermetically seal such container end and to effect release of the membrane disc from the overcap.
  • the composite container is cylindrical and includes a paperboard body portion and a heat sealable liner and has an outwardly beaded open upper end of desired dimensions.
  • the overcap substrate includes a paperboard material for fabricating a paperboard overcap.
  • the process of this invention may include permanently bonding a desired area of the membrane disc to the overcap so that a bond remains therebetween after heat release of the membrane disc from the overcap to provide a tamper evident means.
  • a container 10 is illustrated which is produced in accordance with this invention.
  • This container 10 is of desired shape, preferably cylindrical, and has an open upper end 11 of desired shape, preferably circular.
  • the lower end of the container 10 may be closed by any suitable closure as well understood by those with ordinary skill in the art and does not form a part of the present invention and will not be described in detail herein.
  • the open upper end 11 of the container 10 is hermetically sealed by a heat sealable membrane disc 12 of desired shape, preferably circular, and dimensions to cover the open upper end 11 of the hollow container 10 .
  • An overcap 13 of desired shape, preferably circular with a depending peripheral flange, and dimensions is provided to fit over the open upper end 11 of the hollow container 10 and is adapted to be removed for breaking the membrane 12 to gain access to the product P within the container 10 and to then be positioned back over the open upper end 11 of the container 10 to reclose the container.
  • the container 10 is preferably constructed of composite materials and includes a cylindrical open ended body portion 15 which may be preferably constructed of one or more paperboard body plies 16 which may be spirally or convolutely wound or otherwise formed.
  • These paperboard body plies 16 are typically formed of spiral-winding paperboard or board stock having a thickness of between 0.010 and about 0.035 inch, preferably between about 0.015 and 0.030 inch, for example 0.021 inch.
  • the board stock conventionally used in the manufacture of spirally-wound composite containers is commercially available from various manufacturers including Sonoco Products Company, Republic Paperboard Corporation and Middletown Board Corporation.
  • the board stock typically is composed of Kraft or recycled paper and can typically range from, e.g.
  • the board stock can include a weak exterior layer, e.g. a 0.003 inch exterior news.
  • the body portion 15 of the container 10 may further include a heat sealable liner layer 17 which is suitably laminated to the body ply 16 and may be spirally or convolutely wound or otherwise formed with the body ply 16 into the open ended hollow container body portion 15 .
  • the liner layer 17 may be typically constructed of a barrier type, flexible sheet material, such as a polymer/foil, a Kraft/foil/polymer, a polymer/polymer, or a Kraft/foil laminate.
  • the container body portion 15 may also include an outside label layer (not shown) if desired.
  • the open upper end 11 is outwardly beaded in a manner well understood by those with ordinary skill in the art so that the liner layer 17 is positioned on the outer surface of the outwardly beaded open upper end 11 (as shown in FIG. 2).
  • the overcap 13 may preferably be constructed of one or more paperboard plies 18 which are also typically formed of similar materials as described above for the paperboard body plies 16 .
  • the heat sealable membrane disc 12 may suitably be constructed of a laminate of polymer and paper layers with or without foil.
  • the novel process of this invention is utilized and which is illustrated more specifically in FIGs. 3-7.
  • the hollow container body portion 15 as described above, is provided having the open upper end 11 .
  • An overcap substrate material 20 which may be constructed of the paperboard plies 18 , is provided.
  • Heat sealable membrane discs 12 of the desired shape and dimensions to cover the open upper end 11 of the container body portion 15 are provided. These heat sealable membrane discs 12 are laminated to the overcap substrate 20 with a material 21 which release the membrane disc 12 from the overcap substrate 20 under the application of heat.
  • This heat releasable material may be in the form of a polymer, hot melt or wax material.
  • an overcap 13 of desired shape and dimensions to fit over the open upper end 11 of the hollow container body 15 is fabricated from the substrate 20 with a membrane disc 12 on the inside thereof (as shown in FIG. 6).
  • Overcap forming equipment well known to those with ordinary skill in the art, may be utilized for such overcap forming operation. Such equipment is available from a number of sources including Michael Hörier Maschinenfabrik GmbH & Co. KG.
  • the thus fabricated overcap 13 is positioned over the open upper end 11 of the hollow container body 15 (as shown in FIGs. 3 and 7) so that the membrane disc 12 is in contact with and covers the open upper end 11 of the container body portion 15 .
  • Heat is then applied with any suitable device, schematically illustrated at 31 , to the overcap 13 to effect heat sealing of the membrane disc 12 to the upper end 11 of the container 10 and preferably to the heat sealable liner layer 17 of the outwardly beaded open upper end 11 to hermetically seal the container end 11 and to effect release of the membrane disc 12 from the overcap 13 .
  • This release is caused by melting, evaporating or otherwise eliminating the releasable material 21 between the overcap 13 and the membrane disc 12 (as shown in FIG. 7).
  • a permanently bonded area 35 may be provided between the overcap 13 and the membrane disc 12 so that a bond remains therebetween after heat release of the membrane disc 12 from the overcap 13 to provide a tamper evident feature or means in the container 10 .
  • a portion of the membrane disc 12 will be tom and remain with the overcap 13 (as shown in FIG. 9) to evidence that the overcap has been removed from the container and to provide the tamper evident feature.
  • the above described container 10 and its novel process of manufacture produces a container product which is normally sold by the container manufacturer to a customer who fills the container 10 with the desired product P and closes the bottom or other end of the container 10 with a suitable closure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
EP99307774A 1998-10-23 1999-10-01 Procédé de fabrication d'un récipient à couvercle refermable et récipient ainsi obtenu Expired - Lifetime EP0995693B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17827498A 1998-10-23 1998-10-23
US178274 1998-10-23
CA002315601A CA2315601C (fr) 1998-10-23 2000-08-04 Processus de fabrication d'un contenant refermable

Publications (2)

Publication Number Publication Date
EP0995693A1 true EP0995693A1 (fr) 2000-04-26
EP0995693B1 EP0995693B1 (fr) 2003-05-14

Family

ID=25682008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99307774A Expired - Lifetime EP0995693B1 (fr) 1998-10-23 1999-10-01 Procédé de fabrication d'un récipient à couvercle refermable et récipient ainsi obtenu

Country Status (2)

Country Link
EP (1) EP0995693B1 (fr)
CA (1) CA2315601C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3079221A1 (fr) * 2018-03-20 2019-09-27 Corepe Emballage comportant un recipient et une capsule

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9023445B2 (en) 2011-10-14 2015-05-05 Kellogg North America Company Composite containers for storing perishable products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531914A (en) * 1945-02-01 1950-11-28 Swift & Co Method and mechanism for closing fiber containers with a lined closure
US3892351A (en) 1974-07-12 1975-07-01 Procter & Gamble Container subassembly having a membrane-type closure
US4557414A (en) * 1981-07-14 1985-12-10 Boise Cascade Corporation Membrane-type end closure member
EP0461868A2 (fr) * 1990-06-12 1991-12-18 Minnesota Mining And Manufacturing Company Scellement interne pouvant être appliqué par énergie micro-ondes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531914A (en) * 1945-02-01 1950-11-28 Swift & Co Method and mechanism for closing fiber containers with a lined closure
US3892351A (en) 1974-07-12 1975-07-01 Procter & Gamble Container subassembly having a membrane-type closure
US4557414A (en) * 1981-07-14 1985-12-10 Boise Cascade Corporation Membrane-type end closure member
EP0461868A2 (fr) * 1990-06-12 1991-12-18 Minnesota Mining And Manufacturing Company Scellement interne pouvant être appliqué par énergie micro-ondes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3079221A1 (fr) * 2018-03-20 2019-09-27 Corepe Emballage comportant un recipient et une capsule

Also Published As

Publication number Publication date
EP0995693B1 (fr) 2003-05-14
CA2315601A1 (fr) 2002-02-04
CA2315601C (fr) 2005-03-08

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