EP0247031B1 - Recipient pourvu d'un element d'etancheite pouvant etre referme - Google Patents

Recipient pourvu d'un element d'etancheite pouvant etre referme Download PDF

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Publication number
EP0247031B1
EP0247031B1 EP19850905476 EP85905476A EP0247031B1 EP 0247031 B1 EP0247031 B1 EP 0247031B1 EP 19850905476 EP19850905476 EP 19850905476 EP 85905476 A EP85905476 A EP 85905476A EP 0247031 B1 EP0247031 B1 EP 0247031B1
Authority
EP
European Patent Office
Prior art keywords
flap
container
adhesive member
front side
attachment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19850905476
Other languages
German (de)
English (en)
Other versions
EP0247031A4 (fr
EP0247031A1 (fr
Inventor
Sung-Chol Chang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0247031A1 publication Critical patent/EP0247031A1/fr
Publication of EP0247031A4 publication Critical patent/EP0247031A4/fr
Application granted granted Critical
Publication of EP0247031B1 publication Critical patent/EP0247031B1/fr
Expired 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
    • 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
    • B65D75/5827—Tear-lines provided in a wall portion
    • B65D75/5833—Tear-lines provided in a wall portion for tearing out a portion of the wall
    • B65D75/5838—Tear-lines provided in a wall portion for tearing out a portion of the wall combined with separate fixed tearing means, e.g. tabs
    • 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
    • B65D2575/00—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
    • B65D2575/52—Details
    • B65D2575/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586—Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing
    • 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
    • B65D75/04—Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/20—Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding

Definitions

  • the invention relates generally to small, flexible containers having sealing devices which may be resealed after having been opened, such as are frequently used for containing plural articles intended to be sequentially extracted from the container and requiring continuous protection prior to their use, e.g. paper tissues, moist towelettes, and the like.
  • container in which the contents of the container are protected by a trouble-free reusable seal, so that such contents, for example, paper tissues, moist towelettes, and the like, can be extracted one at a time from the container upon opening of the seal and so that after the seal has been reclosed the remaining contents of the container will be protected as before.
  • One basic form of container of this type which is well known, is made of a rectangular sheet of thin foil or plastics material having two side regions folded over toward one another so as to overlap slightly.
  • the overlapped margins of the folded-over side regions of the sheet are heat-sealed to each other to provide a longitudinal seam at the middle of one side (the rear side) of the container, and at each end of the sheet the margins of the folded-over side regions are heat-sealed to the adjacent end margin of the unfolded portion of the sheet that defines the other side (the front side) of the container.
  • the container In its front side the container has an opening through which the contents of the container can be extracted.
  • the opening is normally covered and closed by a flap, preferably made of the same or a similar material as the container body, which is permanently secured at one end to the outer surface of the portion of the sheet defining the front side of the container and has its sheet-engaging face coated with a suitable non- hardening pressure-sensitive adhesive.
  • a separate non-adhesive member which is smaller than the flap but either of the same shape and size as the opening or of generally the same shape as but somewhat larger than the opening, is adhered to the coated face of the flap in a position such that when the flap is closed the said non-adhesive member overlies the entire expanse of the opening. Representative constructions of such a container are shown in U.S. Patent No. 4,420,080.
  • a primary problem which has arisen with the aforesaid known containers is that the end region of the closure flap which is secured to the front side of the container may be torn from the latter when the flap is pulled up to open the container.
  • a secondary problem which has arisen is that, by virtue of the frequent flexing of the flap during opening and closing of the container, the non-adhesive member may shift its position on the flap or even become separated therefrom and thus fail to properly and fully overlie the opening in the front side of the container when the flap is closed.
  • a container which has a front side including an opening to provide access to the contents of the container and a resealable sealing device for the opening
  • the sealing device includes a closure flap which is larger than the opening and is secured to the front side of the container at one end region of the flap adjacent one portion of the periphery of the opening for hinging movement about a line of attachment so as to be able to overlie the opening, with the face of the flap which is engageable with the front side of the container being coated with a pressure-sensitive adhesive
  • the sealing device further includes a non-adhesive member which is smaller than the flap but at least of the same shape and size as the opening, with the non-adhesive member being adhesively secured to the coated face of the flap in a position thereon where the member will completely overlie the opening when the flap is adhered to the front side of the container;
  • the flap has a pair of opposing, generally L-shaped cuts formed therein each
  • a container of the mentioned class which is further characterized in that the non-adhesive member is die-cut in a peninsular form directly out of the front side of the container so as to have a main body portion defining the opening and a tongue portion extending generally longitudinally from the main body portion and having opposite side edges generally parallel to the second portions of the L-shaped cuts and terminating at the uncut end of the tongue portion remote from the main body portion of the non-adhesive member, with the said uncut end of the tongue portion lying on a second line of attachment substantially coinciding with the first-mentioned line of attachment of the flap, and in that the non-adhesive member has a second pair of tear prevention holes formed in the front side of the container and located on the second line of attachment each at the termination of a respective one of the side edges of the tongue portion of the non-adhesive member, whereby tearing of the latter and the front side of the container beyond the second line of attachment is effectively inhibited
  • Figs. 1 and 2 show a container (similar to that illustrated in the aforesaid U.S. Patent No. 4,420,080) in the form of a flexible pouch 10 having on each side an accordion fold 12 (to allow for expansion of the pouch upon insertion of its contents and contraction of the pouch upon withdrawal of its contents) and having on its front side a sealing device 14 including a flap 16 which covers and uncovers an opening 18 through which access may be had to the contents of the container.
  • a container similar to that illustrated in the aforesaid U.S. Patent No. 4,420,080
  • a sealing device 14 including a flap 16 which covers and uncovers an opening 18 through which access may be had to the contents of the container.
  • the flap has its face which is engageable with the front side of the container coated with a layer 28 of pressure-sensitive adhesive, and a non-adhesive member 24, which is smaller than the flap 16 and either is of the same shape and size as the opening 18 or is somewhat larger in shape and size than the opening, is adhesively secured to that face of the flap in a position thereon such that when the flap is closed as in Fig. 1 the member 24 also overlies the opening 18 and prevents the adhesive on the flap from coming into contact with the container contents, e.g. tissues, towelettes, and the like.
  • a non-adhesive member 24 which is smaller than the flap 16 and either is of the same shape and size as the opening 18 or is somewhat larger in shape and size than the opening, is adhesively secured to that face of the flap in a position thereon such that when the flap is closed as in Fig. 1 the member 24 also overlies the opening 18 and prevents the adhesive on the flap from coming into contact with the container contents, e.g. tissues, towelettes, and the like
  • the flap 16 further has an end region 16a by which it is permanently secured to the front side of the container and at its opposite end has a finger grip 22 which allows the user to lift the flap in order to open the container, with the main body of the flap hinging relative to the end region 16a about a line of attachment (not shown).
  • tearing of the flap 16 beyond the line of attachment upon opening of the sealing device 14 is prevented by the provision of a pair of generally L-shaped cuts 19a/19b and an associated pair of tear prevention holes 20 in the flap 16.
  • Each cut (see also Fig. 4) has a first portion 19a starting at a respective side edge of the main body of the flap and extending transversely inwardly of the flap intermediate the ends of the latter, and a second portion 19b continuing from the innermost end of the respective first portion 19a and extending generally longitudinally of the flap toward and terminating at the line of attachment.
  • the tear prevention holes 20 are formed on the line of attachment and at the terminations of their associated portions 19b of the L-shaped cuts.
  • the transverse spacing between the longitudinal cut portions 19b is somewhat greater than the width of any portion of the non-adhesive member 24 that is located between those portions of the cuts.
  • the flap 16 has a pair of generally longitudinally extending tabs or fingers 16b defined at the remote sides of the second portions 19b of the cuts, which tabs or fingers are integral enlargements of the end region 16a of the flap.
  • the tabs or fingers 16b serve to enhance the ability of the end region 16a to anchor the flap 16 to the front side of the container 10.
  • the non-adhesive member 24 of the sealing device 14 may be, although it is not so illustrated in the drawing, a separate member of insular form and having a shape and size which correspond to and are at least the same as the shape and size of the access opening 18, generally as shown in the aforementioned U.S. Patent No. 4,420,080.
  • Such an insular member may, of course, be die-cut directly out of the part of the sheet of which the front side of the container is constituted.
  • the non-adhesive member 24 is formed by being die-cut in a peninsular form directly out of the part of the sheet of which the front side of the container 10 is constituted, such that the member 24 has a main body portion 24a and a somewhat narrower tongue portion 24b, the latter extending generally longitudinally from the former and having opposite side edges generally parallel to the second portions 19b of the L-shaped cuts and terminating at the uncut end of the tongue portion 24b remote from the main body portion 24a.
  • the said uncut end of the tongue portion is located at a second line of attachment on the front side of the container which directly underlies and essentially coincides with the previously mentioned line of attachment of the flap 16, and tearing of the member 24 beyond the second line of attachment is prevented by the provision of a second pair of tear prevention holes 26 in the front side of the container on the second line of attachment and at the terminations of the opposite side edges of the tongue portion 24b of the member 24.
  • the member 24 is adhesively secured to the coated face of the flap 16 for joint movement therewith when the flap is moved from its closed position (Fig. 1) to its open position (Fig. 2).
  • the two sets of tear prevention holes 20 and 26 at the coinciding lines of attachment between, on the one hand, the two portions of the flap 16 and between, on the other hand, the tongue portion 24b of the member 24 and the front side of the container 10 serve to relieve stresses at those lines, thereby inhibiting tearing of either the flap or the non-adhesive member beyond the respective line of attachment.
  • a blank 30 of thin flexible sheet material e.g. paper, plastic, foil orthe like, which is cut into a rectangular shape.
  • Accordion folds 12 are formed in the blank, and a peninsular die-cut is made to form simultaneously both the outline of an access opening having a wider main portion and a narrower end portion in the portion of the blank between the accordion folds and a non-adhesive member 24 of corresponding shape which is attached to the blank at the uncut end of the tongue portion 24b of the member remote from the main body portion 24a thereof.
  • two inner flap tear prevention holes 26 are die cut into blank 30.
  • a resealable sealing device 14 is formed by attaching a closure flap 16, the structure of which is as shown in Fig. 4, to the front side of the container in overlying relation to the member 24 with the aid of a layer of pressure-sensitive adhesive, as shown in broken lines in Fig. 3, care being taken to dispose the holes 20 in the flap in line with the holes 26 in the blank 30.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)

Abstract

Récipient (10) possédant une ouverture d'accès (18) et un élément d'étanchéité refermable (14), ce dernier se composant d'un volet de fermeture (16) fixé dans une région d'extrémité (16a) sur le côté avant du récipient et recouvert d'un adhésif sensible à la pression (28) permettant au récipient d'être ouvert et refermé. Une paire d'entailles en forme de L (19a/19b) sont ménagées dans le volet pour définir une paire de languettes ou de doigts (16b) solidaires de la région d'extrémité du volet, et une paire de trous (20) empêchant le déchirement sont ménagés sur les extrémités des entailles sur la ligne d'union du corps du volet sur sa région d'extrémité, de manière à empêcher le déchirement du volet et sa séparation du récipient. Dans un mode de réalisation de l'invention, un organe non adhésif (24) est découpé de manière à lui donner une forme de péninsule sur le côté avant du récipient pour définir l'ouverture d'accès et est fixé de manière adhésive sur la face recouverte du volet, et une paire supplémentaire de trous (26) empêchant le déchirement sont formés dans l'organe non adhésif aux extrémités de ses bords latéraux sur une deuxième ligne d'union coïncidant avec la première ligne d'union.

Claims (5)

1. Un récipient (10) comprenant une face avant comportant une ouverture (18) donnant accès au contenu du récipient et un dispositif d'étanchéité pouvant être referme hermétiquement (14) sur l'ouverture, dans lequel le dispositif d'étanchéité comprend un volet de fermeture (16) plus grand que l'ouverture et est fixé sur la face avant du récipient, dans une zone d'extrémité (16a) du volet adjacente à une partie de la périphérie de l'ouverture, de manière à effectuer un mouvement d'articulation autour d'une ligne d'attache, entre le corps du volet et ladite zone d'extrémité de celui-ci, afin de pouvoir recouvrir l'ouverture, la face du volet susceptible de venir en contact avec la face avant du récipient étant revêtue d'un adhésif sensible à la pression (28), et dans lequel le dispositif d'étanchéité comprend en outre un élément non-adhésif (24) plus petit que le volet, mais ayant au moins la même forme et les mêmes dimensions que l'ouverture, l'élément non-adhésif étant fixé par collage sur la face revêtue du volet, dans une position sur celui-ci telle que l'élément recouvrira complètement l'ouverture quand le volet sera collé sur la face avant du récipient,
caractérisé en ce que le volet comprend une paire d'entailles opposées (19a, 19b), généralement en forme de L, ménagées à l'intérieur, chacune d'elles partant de l'un des bords latéraux respectifs du volet, et comprenant une première partie (19a) s'étendant transversalement vers l'intérieur du volet, entre les extrémités de ce dernier, et se poursuivant par une seconde partie (19b) se prolongeant à partir de l'extrémité la plus à l'intérieur de la première partie respective (19a) et s'étendant généralement dans le sens longitudinal du volet en direction de la ligne d'attache et se terminant au niveau de celle-ci, les deux secondes parties des entailles en forme de L étant espacées l'une de l'autre d'une distance supérieure à la largeur d'une partie quelconque de l'élément non-adhésif située entre les secondes parties des entailles, en ce que les deux entailles en forme de L définissent, aux extrémités distales de leurs secondes parties, une paire de languettes ou de pattes (16b) s'étendant généralement dans une direction longitudinale, constituant des étar- gissements respectifs faisant partie intégrante de la zone d'extrémité du volet, de manière à favoriser l'ancrage du volet sur la face avant du récipient, et en ce que le volet comprend en outre une paire de trous antiarrachage (20) ménagés à l'intérieur, situés sur la ligne d'attache et chacun d'eux à l'extrémité de l'une des secondes parties correspondantes (19b) des entailles en forme de L, ce qui empêche ainsi effectivement l'arrachage du volet au-delà de la ligne d'attache et du récipient.
2, Un récipient selon la revendication 1, caractérisé en outre en ce que l'élément non-adhésif (24) est découpé à l'outil en forme de péninsule, directement à partir de la face avant du récipient (10) de manière à avoir une partie formant corps principal (24a) définissant une partie principale de l'ouverture et une partie formant languette (24b) définissant une partie secondaire de l'ouverture, la partie formant languette s'étendant, d'une façon générale, longitudinalement à partir de la partie formant corps principal et possédant des bords latéraux opposés généralement de même direction par rapport aux secondes parties (19b) des entailles en forme de L et se terminant à l'extrémité non découpée de la partie formant languette (24b) éloignée de la partie formant corps principal (24a) de l'élément non-adhésif, ladite extrémité non découpée de la partie formant languette se trouvant sur une seconde ligne d'attache coïncidant sensiblement avec la ligne d'attache du volet citée en premier, et en ce que l'élément non-adhésif (24) comprend une seconde paire de trous anti-arrachage (26) ménagés dans la face avant du récipient et situés sur la seconde ligne d'attache, chacun d'eux à l'extrémité de l'un des bords latéraux respectifs de la partie formant languette de l'élément non-adhésif, de sorte que l'arrachage de cette dernière et de la face avant du récipient au-delà de la seconde ligne d'attache est efficacement empêché.
3. Un récipient selon la revendication 2, caractérisé en outre en ce que la partie formant languette (24b) de l'élément non-adhésif (24) est plus étroite que la partie formant corps principal (24a) de l'élément.
4. Un récipient selon la revendication 2, caractérisé en outre en ce que les bords latéraux de la partie formant languette (24b) de l'élément non-adhésif (24) sont généralement parallèles aux secondes parties (19b) des entailles en forme de L.
5. Un récipient selon la revendication 4, caractérisé en outre en ce que la partie formant languette (24b) de l'élément non-adhésif (24) est plus étroite que la partie principale formant corps (24a) de l'élément.
EP19850905476 1985-10-22 1985-10-22 Recipient pourvu d'un element d'etancheite pouvant etre referme Expired EP0247031B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1985/002089 WO1987002645A1 (fr) 1985-10-22 1985-10-22 Recipient pourvu d'un element d'etancheite pouvant etre referme

Publications (3)

Publication Number Publication Date
EP0247031A1 EP0247031A1 (fr) 1987-12-02
EP0247031A4 EP0247031A4 (fr) 1988-12-08
EP0247031B1 true EP0247031B1 (fr) 1990-03-28

Family

ID=22188901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850905476 Expired EP0247031B1 (fr) 1985-10-22 1985-10-22 Recipient pourvu d'un element d'etancheite pouvant etre referme

Country Status (3)

Country Link
EP (1) EP0247031B1 (fr)
GB (1) GB2189461B (fr)
WO (1) WO1987002645A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE463666B (sv) * 1989-10-04 1991-01-07 Lars Andersson Aaterfoerslutbar dispenserfoerpackning
IT1252204B (it) * 1991-12-12 1995-06-05 Fin Omet S R L Dispositivo di chiusura a tenuta per erogatori di materiale umidificato.
CA2094630A1 (fr) * 1993-01-19 1994-07-20 John Leroy Herzberg Papiers-mouchoirs en sachet de poche
DE19504062C2 (de) * 1995-02-08 1998-06-04 Rovema Gmbh Beutel mit einer Produktentnahmeöffnung und einer die Produktentnahmeöffnung verschließenden Verschlußfolie und Verfahren zur Herstellung des Beutels
GB2319511A (en) * 1996-11-21 1998-05-27 Rothmans International Ltd Packaging of smoking articles
CZ300868B6 (cs) * 1996-11-21 2009-09-02 British American Tobacco (Investments) Limited Obal na kurivo
WO1998022368A1 (fr) 1996-11-21 1998-05-28 Rothmans International Services Limited Emballage d'articles de tabac
GB2360271B (en) * 1998-07-08 2002-09-11 Flexipol Packaging Ltd Bags of easy open construction
GB0416887D0 (en) * 2004-07-29 2004-09-01 Origin Products Ltd Packaging concept
US20100111453A1 (en) * 2008-10-31 2010-05-06 Frito-Lay North America, Inc. Two Side Cut Reseal With Pressure Sensitive Adhesive and the Method for Making Same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997378A (en) * 1932-09-24 1935-04-09 John M Driver Manufacture of bags
US1944621A (en) * 1932-11-03 1934-01-23 Roy E Van Atta Bag
US2719663A (en) * 1949-08-03 1955-10-04 Jagenberg Werke Ag Container with rip-open flap
US2896839A (en) * 1955-07-26 1959-07-28 Foil Process Corp Package for drink-forming powders
US3711011A (en) * 1970-05-04 1973-01-16 Action Packaging Corp Resealable packaging device
US3687352A (en) * 1971-03-08 1972-08-29 Edward Kalajian Container closure
US4192420A (en) * 1978-11-30 1980-03-11 Scott Paper Company Flexible and pliable moisture-impervious package
US4260061A (en) * 1979-07-05 1981-04-07 Bemis Company, Inc. Bag with opening and reclosing feature

Also Published As

Publication number Publication date
GB2189461A (en) 1987-10-28
EP0247031A4 (fr) 1988-12-08
GB2189461B (en) 1989-10-11
EP0247031A1 (fr) 1987-12-02
GB8708624D0 (en) 1987-05-13
WO1987002645A1 (fr) 1987-05-07

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