EP0540923A1 - Récipient acec une feuille de fermeture refermable - Google Patents

Récipient acec une feuille de fermeture refermable Download PDF

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Publication number
EP0540923A1
EP0540923A1 EP92117766A EP92117766A EP0540923A1 EP 0540923 A1 EP0540923 A1 EP 0540923A1 EP 92117766 A EP92117766 A EP 92117766A EP 92117766 A EP92117766 A EP 92117766A EP 0540923 A1 EP0540923 A1 EP 0540923A1
Authority
EP
European Patent Office
Prior art keywords
opening
main body
container main
sealing film
heat
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.)
Withdrawn
Application number
EP92117766A
Other languages
German (de)
English (en)
Inventor
Hirokazu Tanaka
Akihiko Kunitomo
Takeo Sawada
Hisashi Habu
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.)
Sankyo Co Ltd
Original Assignee
Sankyo Co Ltd
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 Sankyo Co Ltd filed Critical Sankyo Co Ltd
Publication of EP0540923A1 publication Critical patent/EP0540923A1/fr
Withdrawn legal-status Critical Current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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/72—Contents-dispensing means
    • B65D5/74—Spouts
    • 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
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/70—Break-in flaps, or members adapted to be torn-off, to provide pouring openings
    • B65D5/708—Separate tearable flexible elements covering a discharge opening of a container, e.g. adhesive tape
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5894—Preformed openings provided in a wall portion and covered by a separate removable flexible element

Definitions

  • This invention relates to an improvement of a container for packaging a content, in particular content which must be protected from moisture in a powdery or granular state.
  • Block-like box-shaped containers and box-shaped containers with a gable-shaped upper part are known, albeit as containers for liquids (e.g. Japanese Utility Model Laid-Open No. 169415/1988).
  • the block-like box-shaped container is not suitable as a packaging container for a powdery or granular content to be stored in a moisture-proof manner, e.g. Dog food or other animal feed, fertilizer and the like, since its opening is not resealable.
  • the opening of the box-shaped container with gable top has this reclosability because it is provided with a plastic stopper.
  • containers of this type cannot be placed on top of each other since the plastic stopper protrudes beyond the container body.
  • the present invention makes use of a packaging container arrangement, which is characterized in that a sealing film protecting against moisture, the area of which is larger than an opening formed at a predetermined position of a moisture-proof container main body for the removal of contents, is provided at one end is attached (heat-sealed) to the outer surface of the container main body and a flap is formed at the other end thereof, is arranged outside the opening, at least on the inner surface of the sealing film with the exception of the area corresponding to the opening, a repeatedly connectable and peelable adhesive is applied, and the sealing film is connected to the outer surface of the container main body by the adhesive in such a manner that it can be opened and reclosed.
  • the outer surface of the outer peripheral edge of the opening formed in the container main body is peelably connected (heat sealed) to the sealing film.
  • a moisture sealing auxiliary sealing sheet is attached (heat sealed) to the inner surface of the container main body including the opening, and the sealing sheet and the auxiliary sealing sheet covering the opening are attached to each other (heat sealed) under the conditions that the bond strength is greater than the tensile strength of the Auxiliary sealing film.
  • the opening consists of a plurality of groups of small holes.
  • a detachable tamper-preventing means is disposed in the portion of the sealing film which is detached when the seal is first opened. Furthermore, a slot for measuring the content is provided on any side wall of the container main body in a vertical arrangement.
  • the peeling process of the sealing film is stopped at the attached section of this sealing film on the container main body and the opening of the opening can be carried out reliably.
  • the resealing can be carried out easily and a moisture-sealing effect can be reliably achieved.
  • Fasteners of a narrow outer surface portion around the outer peripheral edge of the opening improve the moisture-proofing effect before opening the seal and the moisture-proofing effect before opening the seal can be further enhanced when the auxiliary sealing film is added.
  • the distribution of the contents can be carried out while the measuring slit is being observed, and a spray amount of the chemical can be adjusted to a desired level. Since the means for preventing unauthorized tampering is additionally provided on the sealing film, an unauthorized change in the content or reduction in the amount of content can be rationally prevented.
  • Reference numeral 1 denotes a box-shaped container main body, which is made, for example, of a material obtained by coating cardboard 2 on both sides with linear low-density polyethylene.
  • An opening 4 with a teardrop-shaped flat shape is formed on one side of a top wall 3 of the container main body 1. A larger diameter portion of this opening 4 is arranged close to a side edge 1a of the container main body 1 to facilitate the removal of powdery or granular contents.
  • Reference numeral 5 denotes a wide and elongated sealing film, that is, a moisture-sealing sealing film with a large surface area.
  • the sealing film 5 has a composite film structure and is made, for example, by laminating an OPET film 5b which is heat-set by a polyester film under two-way stretch conditions on the surface of an aluminum film 5a and a linear low-density polyethylene film 5c the bottom of the aluminum foil 5a was obtained.
  • One of the ends of the sealing sheet 5 is fixed with a heat seal 6 to the outer surface of the top wall 3 which forms the container main body 1 over a predetermined width, and a tab 7 is arranged at the other end of the sealing sheet 5 for opening and reclosing the container main body.
  • the heat seal line 6 has a stop function of the opening process when the sealing film 5 through Detection of the tab 7 is opened.
  • a repeatedly peelable and reconnectable adhesive 8 is provided in an area other than at least an area corresponding to the opening 4 and the tab 7 on the lower surface of the linear low-density polyethylene film 5c forming the sealing film 5.
  • FIG. 2 shows an embodiment in which adhesive 8 is applied in the entire regions of opening 4 and tab 7, and FIG. 8 shows a further embodiment in which adhesive 8 has a predetermined width around the outer peripheral edge region of closure film 5 is applied.
  • the embodiment shown in FIG. 8 rationally prevents the adhesive 8 from being arranged opposite the region of the opening 4 due to incorrect handling during reclosing, and thus from adhering to the contents.
  • the sealing film 5 is folded over at right angles on the side edge 1a of the container main body 1, as shown in FIG. 1, and glued along the surface of the side wall 9 which forms the container main body 1.
  • FIGS. 4 and 5 A further embodiment of the present invention is explained below in accordance with claim 1 with reference to FIGS. 4 and 5.
  • the entire outer peripheral edge of the opening 4 formed in the container main body 1 and the sealing sheet 5 are provided with a heat seal line 10 over a limited width, thereby the penetration of moisture through the adhesive layer 8 by means of the heat seal line 10 is prevented.
  • the remaining structure corresponds to that shown in FIGS. 2 and 3, so that the detailed explanation is not repeated.
  • this embodiment has a structure in which an auxiliary sealing film 11 having a larger area than that of the opening 4, which is made of, for example, low density polyethylene, by means of a heat seal line 12 on the inner surface of the container main body 1, which forms the container main body 1, is fastened including the opening 4 and is connected with a heat seal point 13 to the region of the closure film 5 which corresponds to the opening 4, the strength of the connection being greater than the breaking strength of the auxiliary film 11.
  • the opening 4 is closed by the double arrangement of the sealing film 5 and auxiliary sealing film 11 and the moisture-sealing effect up to the opening of this sealing film is further increased.
  • the auxiliary sealing film 11 which is connected to the sealing film 5 by the heat sealing point 13, tears open and the opening 4 is opened, but the torn auxiliary sealing film 11 adheres to the sealing film 5.
  • an auxiliary sealing film 14 with a larger area than that of the opening 4 for example made of low-density polyethylene material, by means of a heat seal point 15 with the inner surface of the container main body 1, which forms the container main body 1, including the opening 4 and the area of the sealing film 5 and the area of the auxiliary sealing film 14 which span the opening 4 are connected to one another by a heat sealing point 16 with a connection strength which is greater than the tear strength of the auxiliary sealing film 14.
  • the container main body 1 explained in the above-described embodiments is a box-shaped structure made of, for example, cardboard 2 coated on the inner and outer surfaces with linear low-density polyethylene.
  • the present invention can also be applied to a container made of metal or a plastic. Accordingly, the materials forming the container main body are not particularly limited to the materials described in the above-described embodiments.
  • FIGS. 10 to 13 and FIG. 24 are modified embodiments of the embodiment shown in FIG. 8 and the opening 4 consists of several rows of small holes 4a, which are arranged in a rectangularly offset manner. Since the opening 4 consists of the group of small holes 4a, the amount of the content that is shaken out can automatically be limited to a constant amount that can be evenly distributed.
  • the area delimited by two parallel broken lines represents a heat seal area 6a which is peeled off in the initial phase of opening the sealing film 5.
  • the adhesive 8 is not applied to the area enclosed by the heat seal area 6a.
  • the small holes 4a which are arranged on the underside when the contents are scattered, have a smaller diameter and the diameters of the small holes 4a increase progressively towards the upper side, so that the contents can be scattered more uniformly.
  • FIG. 12 shows another modified example, the group of small holes 4a being arranged in a circle.
  • the same reference numerals are used for the same components in accordance with FIG. 10 and a detailed explanation is omitted.
  • Fig. 13 shows yet another example, where each small hole 4a has a relatively large diameter and the edge area on the outer periphery of all small holes is provided with heat-sealing lines 10a in such a way that, as shown in Fig. 4, they come from the sealing film are removable.
  • a window 1d is formed on one side of the top wall 3 or side wall of the container main body 1, and the peripheral edge portion of a film 1e such as e.g. a film or a layer which is made of a material different from the material of the container main body 1, for example a plastic, and which is provided with the opening 4 or the group of small holes 4a, as shown in FIGS. 1, 10 and 11, is attached by heat sealing to the peripheral edge of the window 1d on the back or front thereof.
  • a film 1e such as e.g. a film or a layer which is made of a material different from the material of the container main body 1, for example a plastic, and which is provided with the opening 4 or the group of small holes 4a, as shown in FIGS. 1, 10 and 11, is attached by heat sealing to the peripheral edge of the window 1d on the back or front thereof.
  • the opening 4 or the group of small holes 4a in the film 1e is made of a plastic material different from the cardboard material forming the container main body 1, and this film 1e and the sealing film 5 are heat-sealed to one another to form the heat-sealing region 6a.
  • this film 1e and the sealing film 5 are heat-sealed to one another to form the heat-sealing region 6a.
  • Fig. 14 shows another embodiment of Fig. 1.
  • the opening 4 is formed in the upper part of the side wall 9 on one of the sides of the container main body 1 and the sealing film 5 for opening and closing this opening 4 is arranged so that it is transverse to the Side wall 9 runs to the adjacent side wall 9a.
  • the sealing film 5 is peeled off and the opening 4 is opened to scatter the contents, the free end of the peeled sealing film 5 is easily separated from the opening 4, thus preventing the contents from adhering to the adhesive 8 when scattered .
  • the shape of the opening 4 is not particularly limited as long as the shape is suitable for scattering.
  • This embodiment can also be applied to the group of small holes 4a as an opening as shown in Figs. 10, 11, 12 and 13.
  • FIGS. 15 to 20 An embodiment of the means for preventing unauthorized tampering is explained below with reference to FIGS. 15 to 20.
  • the basic structure of this embodiment, as shown in FIGS. 15 and 16, is similar to the structure of the embodiment shown in FIG. 4.
  • This means that a heat-sealing area 20 is designed such that it extends from the tab 7 via a tear-off strip 19 which is surrounded by two parallel dividing lines 17 and is provided with a handle 18 on one side.
  • the adhesive 8 is not applied to the tab 7 and the tear-off strip 19 and the heat-sealing region 20 is fastened to the container main body 1, ie is heat-sealed.
  • the tear-off strip 19 is first cut off along the cut-off lines 17, as shown in FIG. 16, whereupon the exposed tab 7 is grasped and the sealing film 5 is pulled off in order to enable the seal to be opened for the first time. Since the seal of the sealing film 5 is not opened unless the tear strip 19 is separated in this way, it is possible to prevent the sealing film 5 from being opened deliberately and to prevent unlawful operations such as replacing the content and reducing the amount of the content.
  • Reference numeral 21 in the figures denotes a mark which indicates that the seal has already been opened.
  • FIGS. 17 and 18 and the embodiments shown in FIGS. 19 and 20 show a change in the severing direction of the tear-off strip 19 with the handle 18 or a change in its shape. Since these embodiments are aimed at the same object as the embodiment shown in FIG. 15, the reference numerals used in FIG. 15 are used further and a detailed explanation is omitted.
  • FIG. 21 Another embodiment of the present invention according to claim 6 will be explained with reference to Figs. 21, 22 and 23.
  • This embodiment represents the arrangement in which the group of small holes 4a is formed on the upper portion of the side wall of the container main body 1 and a transparent measuring slit 23, which is provided with a scale 22, for example, in units of 5 g, in a vertical position on one the sides of the container main body is arranged.
  • a transparent or semi-transparent tape 24 is glued to the entire area of the inner surface of this transparent measuring slit 23, as shown in FIG. 26.
  • the width and length of the transparent measuring slot 23 are chosen in such a way that the quality of the content is not impaired.
  • the transparent measuring slit 23 consists of two transparent measuring slits 23a, 23b, the axes of which are offset to the left and to the right in the longitudinal direction.
  • the strength of the side wall 9 can be considerably increased compared to the arrangement in which, as shown in Fig. 21, only one longitudinal slit is provided, and the deformation of the Container main body 1 due to compressive forces exerted perpendicular to the side wall 9 from the direction of the side wall 9a can be prevented in a rational manner. If the content is reduced to the area of the transparent measuring slot 23b of the lower level, the remaining amount of the content can be seen and ascertained, which serves as a reminder for the acquisition of new content.
  • the lower end of the transparent measuring slot 23a of the upper level and the upper end of the slot 23b of the lower level are arranged in the same level.
  • the shape and arrangement of the opening 4 is not particularly limited to that shown in the figure.
  • the closure film 5 for opening and reclosing the group of small holes 4a is bent at right angles, as shown in Fig. 23, and its end portion is connected to the top wall of the container main body 1 with a heat seal line 6.
  • the heat seal line 6 it is possible to arrange the heat seal line 6 at the upper end of the side wall, so that the sealing film 5 can be formed in a straight shape.
  • FIGS. 25 and 26 Another embodiment of the present invention will be explained below with reference to FIGS. 25 and 26.
  • the embodiment prevents the deterioration of the content by shielding against accidental light irradiation from the transparent measuring slot (s) 23.
  • a cover film 25 is formed by lengthening the sealing film in such a way that it covers the transparent measuring slot (s). 23 completely closes and prevents the contents from being denatured and decomposed by accidental sunlight.
  • At least the material of the cover film 25 described above must be selected from materials that do not allow the passage of sunlight.
  • FIG. 27 to 29 show another embodiment of the container main body 1.
  • Fig. 27 shows the container main body provided with an inclined surface 1b in the upper portion on one side and the group of small holes 4a is formed in this inclined surface 1b.
  • Fig. 28 shows the container body 1 in a gabled form, and the group of the small holes 4a is formed on the inclined surface 1c on one side thereof.
  • FIG. 29 shows the container main body 1 in block form and the group of small holes 4a is formed on one side of the top wall, a seam region in the middle acting as a boundary.
  • the structure and shape of the container main body 1 according to the present invention are not particularly limited to those shown in the figures.
  • the materials forming the sealing film 5 and the auxiliary sealing film 11, 14 are also not particularly limited to those used in the above-described embodiments.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Closures For Containers (AREA)
EP92117766A 1991-10-17 1992-10-16 Récipient acec une feuille de fermeture refermable Withdrawn EP0540923A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9329891 1991-10-17
JP93298/91U 1991-10-17

Publications (1)

Publication Number Publication Date
EP0540923A1 true EP0540923A1 (fr) 1993-05-12

Family

ID=14078457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92117766A Withdrawn EP0540923A1 (fr) 1991-10-17 1992-10-16 Récipient acec une feuille de fermeture refermable

Country Status (2)

Country Link
EP (1) EP0540923A1 (fr)
KR (1) KR930007762A (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423468A1 (de) * 1994-06-20 1996-01-04 Henkel Kgaa Verpackung für schüttfähige Güter aus einem Faltzuschnitt aus Karton oder dergleichen
US6129268A (en) * 1994-11-15 2000-10-10 Ruediger Haaga Gmbh Container comprising a container body part and a front wall connected thereto
WO2000075021A2 (fr) 1999-06-02 2000-12-14 Elopak Systems Ag Emballage
US6349866B1 (en) 1999-02-13 2002-02-26 Stone Container Corporation Paperboard can with an integrated paperboard lid having a hinge on the lid
US6471122B1 (en) 1999-02-13 2002-10-29 Stone Container Corporation Paperboard can with an integrated paperboard lid having a slide closure
EP1319602A1 (fr) * 2001-12-10 2003-06-18 Teich AG Bande de fermeture
WO2004087527A1 (fr) * 2003-03-31 2004-10-14 Ica Spa Sac souple a ouverture refermable hermetiquement
WO2009065120A1 (fr) * 2007-11-16 2009-05-22 Hickey Charles P Fermeture refermable par collage
EP2062828B1 (fr) * 2007-11-21 2011-05-11 Impress Group B.V. Récipient

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB393199A (en) * 1932-11-28 1933-06-01 Philip Moffat Robinson Improvements in packages
US2294473A (en) * 1940-03-13 1942-09-01 Everett R Makeley Window container
DE916634C (de) * 1951-08-28 1954-08-12 Erich Niecznik Verpackung mit Ausgabevorrichtung
FR1384094A (fr) * 1963-11-21 1965-01-04 Jagenberg Werke Ag Récipient étanche aux liquides en papier, carton
US3711011A (en) * 1970-05-04 1973-01-16 Action Packaging Corp Resealable packaging device
EP0214791A2 (fr) * 1985-08-27 1987-03-18 Minnesota Mining And Manufacturing Company Récipient avec un dispositif de fermeture réutilisable
EP0249337A2 (fr) * 1986-05-14 1987-12-16 FORMAN, Harold Récipient avec couvercle refermable
GB2238769A (en) * 1989-12-05 1991-06-12 Kang Na Hsiung Enterprise Co L A sealing piece for a container

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB393199A (en) * 1932-11-28 1933-06-01 Philip Moffat Robinson Improvements in packages
US2294473A (en) * 1940-03-13 1942-09-01 Everett R Makeley Window container
DE916634C (de) * 1951-08-28 1954-08-12 Erich Niecznik Verpackung mit Ausgabevorrichtung
FR1384094A (fr) * 1963-11-21 1965-01-04 Jagenberg Werke Ag Récipient étanche aux liquides en papier, carton
US3711011A (en) * 1970-05-04 1973-01-16 Action Packaging Corp Resealable packaging device
EP0214791A2 (fr) * 1985-08-27 1987-03-18 Minnesota Mining And Manufacturing Company Récipient avec un dispositif de fermeture réutilisable
EP0249337A2 (fr) * 1986-05-14 1987-12-16 FORMAN, Harold Récipient avec couvercle refermable
GB2238769A (en) * 1989-12-05 1991-06-12 Kang Na Hsiung Enterprise Co L A sealing piece for a container

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423468A1 (de) * 1994-06-20 1996-01-04 Henkel Kgaa Verpackung für schüttfähige Güter aus einem Faltzuschnitt aus Karton oder dergleichen
US6129268A (en) * 1994-11-15 2000-10-10 Ruediger Haaga Gmbh Container comprising a container body part and a front wall connected thereto
US6349866B1 (en) 1999-02-13 2002-02-26 Stone Container Corporation Paperboard can with an integrated paperboard lid having a hinge on the lid
US6471122B1 (en) 1999-02-13 2002-10-29 Stone Container Corporation Paperboard can with an integrated paperboard lid having a slide closure
WO2000075021A2 (fr) 1999-06-02 2000-12-14 Elopak Systems Ag Emballage
WO2000075021A3 (fr) * 1999-06-02 2002-10-17 Elopak Systems Emballage
EP1319602A1 (fr) * 2001-12-10 2003-06-18 Teich AG Bande de fermeture
AT413525B (de) * 2001-12-10 2006-03-15 Teich Ag Verschlussstreifen
WO2004087527A1 (fr) * 2003-03-31 2004-10-14 Ica Spa Sac souple a ouverture refermable hermetiquement
WO2009065120A1 (fr) * 2007-11-16 2009-05-22 Hickey Charles P Fermeture refermable par collage
EP2062828B1 (fr) * 2007-11-21 2011-05-11 Impress Group B.V. Récipient

Also Published As

Publication number Publication date
KR930007762A (ko) 1993-05-20

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