EP0699163A1 - Flexible tubular bag for hygienic articles and process for producing the same - Google Patents

Flexible tubular bag for hygienic articles and process for producing the same

Info

Publication number
EP0699163A1
EP0699163A1 EP94917643A EP94917643A EP0699163A1 EP 0699163 A1 EP0699163 A1 EP 0699163A1 EP 94917643 A EP94917643 A EP 94917643A EP 94917643 A EP94917643 A EP 94917643A EP 0699163 A1 EP0699163 A1 EP 0699163A1
Authority
EP
European Patent Office
Prior art keywords
bag
film
cover flap
bottom wall
wall
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
EP94917643A
Other languages
German (de)
French (fr)
Other versions
EP0699163B1 (en
Inventor
Christof Stary
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble 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 Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP0699163A1 publication Critical patent/EP0699163A1/en
Application granted granted Critical
Publication of EP0699163B1 publication Critical patent/EP0699163B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65D75/5855—Peelable seals
    • 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
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/08—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession
    • B65D83/0805—Containers or packages with special means for dispensing contents for dispensing thin flat articles in succession through an aperture in a wall

Definitions

  • Foil tubular bag for holding hygiene articles and process for its manufacture
  • the invention relates to a tubular film bag for holding hygiene articles, in particular stacked cotton pads according to the preamble of patent claim 1, and to a method for its production.
  • a very fundamental problem also lies in the fact that the contents of the bag can become dirty over time through the entry opening of foreign bodies or dust.
  • the object of the invention is to develop such a tubular film bag in such a way that reliable protection of the bag contents from contamination is ensured. At the same time, this development should not significantly increase the manufacturing outlay, since such tubular film bags are pronounced mass products.
  • a cover flap for covering the removal opening is provided in the tubular film bag, which is attached in one piece to the bag side wall and / bag end wall.
  • a cover flap for covering the removal opening is provided in the tubular film bag, which is attached in one piece to the bag side wall and / bag end wall.
  • it can be detachably connected to the tubular bag in the area of its flap surface, which e.g. by means of a pressure-sensitive adhesive point (claim 6) or a double-sided adhesive label which can be attached to the cover flap or to the tubular bag in the form of a sprayed-on, pressure-sensitive adhesive.
  • the film tube bag is particularly easy to produce, since no special film cut has to be made for the cover flap.
  • FIG. 1 is a perspective view of a tubular film bag according to the invention
  • FIG. 2 shows a section through the tubular film bag along the section line II-II according to FIG. 1,
  • FIG. 4 shows a plan view of a tubular film bag in a flat-lying state, as can be obtained by separating welding from the film web according to FIG. 3C.
  • a tubular film bag serves to hold stacked, circular cotton pads 1.
  • the tubular film bag has a bag side wall 2, which forms a cylindrical bag shape and consists of two side wall connected by welds 3, 4. divide 5.6 is composed.
  • the two side wall parts 5, 6 are connected to one another by a transverse weld 7, wherein Below this weld 7, a hanging cord 8 is pulled through the side wall parts 5, 6 and knotted at both ends (node 9).
  • the two side wall parts 5, 6 merge in one piece into a bottom wall 11 arranged on the end face, which is also welded in the area of the two weld seams 3, 4 and thereby forms the two side gussets 12, 13.
  • a cover flap 14 is provided in the middle between the two weld seams 3, 4 and consists of two film layers 15, 16 lying congruently one above the other. The latter continue in one piece from the side wall part 5 and on the other hand in one piece from the bottom wall 11.
  • the width b of this cover flap 14 corresponds approximately to half the diameter d of the tubular film bag.
  • Their length 1 corresponds approximately to 1.5 times the diameter d, so that the cover flap 14 can be pulled over the bottom 10 of the tubular film bag onto the opposite side wall part 6 in accordance with the arrow 17 and by means of a pressure-sensitive adhesive 18 sprayed there from pressure-sensitive adhesive is detachably connectable to the tubular film bag.
  • a double-sided adhesive label 18 ' can also be used, which is applied as a so-called transfer label during the manufacture of the tubular film bag in front of the free end of the cover flap 14.
  • the achievable adhesive strengths of the mutual adhesive coatings on the label 18 ' are set such that the adhesive strength of the coating on the cover flap side is only about one fifth of the adhesive strength of the coating on the other side. This means that when the cover flap 14 is knocked over on the opposite side wall part 6 analogous to arrow 17 and the label 18 'is pressed onto this side wall part 6 when the cover flap 14 is subsequently pulled off to open, the label 18' detaches from the cover flap 14 and opens the side wall part 6 remains. There it serves to repeatedly fix the cover flap 14 in its closed state.
  • the two film layers 15, 16 are connected to one another by a weld seam 19 (shown in broken lines in FIG. 1), so that the one between the two film layers 15, 16 existing space is not accessible for cotton pads 1 or fluff, dust or the like.
  • the cover flap 14 is provided with an embossing reinforcement 20, which forms a grip part for gripping the cover flap 14.
  • the removal opening 21 can be covered, which can be created by removing the area in the bottom wall 11 delimited by the oval perforation 22.
  • a further double-sided adhesive label 18 ′′ is located in the center of this area, the adhesive coatings on both sides of which achieve the same adhesive strength
  • a firm connection is formed between the area of the bottom wall delimited by the perforation 22 and the cover flap 14, which leads to the said automatic tearing open of the removal opening 21.
  • the perforation 22 points to that of the attachment area the cover flap 14 on the side facing away from the bag has a continuous slot 22 ', the length of which is approximately 1 to 2 cm. From the ends of the slot, when the cover flap 14 is pulled off for the first time, the tearing process begins along the perforation 22.
  • the slot 22' also supports ventilation of the pouch at the egg filling the cotton pads 1, since the slot 22 'opens and the air can escape. The tamper-evident opening can only be torn open by the consumer.
  • the film web 23 is then turned over from one side in order to form two film layers 24, 25 lying one above the other. Because of the cover from one side, the two film layers 24, 25 are through on the edge a cover edge 26 extending in the pull-off direction A is connected (FIG. 3B).
  • a pressure-sensitive adhesive point 18 made of a pressure-sensitive adhesive is sprayed onto the corresponding location on the upper film layer 24.
  • This film layer arrangement is then folded in asymmetrically from the cover edge 26, a short, inwardly directed bottom wall fold 27 and a longer flap fold 28 running between this and the lower film layer 25 being formed (FIG. 3C).
  • the bottom wall fold 27 has an inner fold edge 29 running parallel to the pull-off direction A.
  • the upper film layer 24 is delimited by the folding edge 30 which also extends to the pull-off direction A.
  • the tab fold 29 has an edge-side fold edge 31 and forms the above-mentioned film layers 15, 16 of the cover tab 14.
  • the film tubular bag shown in the flat state in FIG. 4 is formed from the film layer arrangement according to FIG. 3C by a suitable separating welding tool.
  • This separation welding tool separates welds the two film layers 24, 25 of the film web 23 to form the straight weld seams 3, 4, which run transversely to the withdrawal direction A and which connect the two side wall parts 5, 6 formed from the film layers 24, 25.
  • the weld seams 3, 4 extend to just above the fold edge 30 between the upper film layer 24 and the bottom wall fold 27.
  • the bottom wall fold 27 is also included in the area of the two weld seams 3, 4, whereby the two gussets 12, 13 are formed.
  • the separating welding tool continues in such a way that separating weld seam sections 33, 34 extending in the withdrawal direction A and a weld seam section 35 connecting them and defining the outline shape of the cover flap 14 are formed.
  • the weld seam 19, which connects the two film layers 15, 16 of the cover flap 14, is placed between the two mutually facing ends of the weld seam sections 33, 34.
  • the separating welding seam sections 33, 34 and the welding seam 19 lie a short distance laterally next to the folded edge 30, so that the welding tool can easily attack. However, it should be noted that by a Raising the folded edge 30, the weld 19 and the two weld sections 33, 34 can also be applied in alignment with this folded edge 30.

Abstract

PCT No. PCT/EP94/01602 Sec. 371 Date Nov. 27, 1995 Sec. 102(e) Date Nov. 27, 1995 PCT Filed May 18, 1994 PCT Pub. No. WO94/27889 PCT Pub. Date Dec. 8, 1994A flexible tubular bag for hygienic articles has a sidewall (2) which forms a cylindrical bag and a front wall (bottom wall 11) provided with an outlet (21). The walls (sidewall 2, bottom wall 11) are formed of a single foil web (23). A covering flap (14) set on the sidewall (2) and/or front wall (bottom wall 11) so as to form a single piece therewith covers the outlet (21). The surface of the covering flap (14) may be detachably joined to the flexible tubular bag.

Description

Folienschlauchbeutel zur Aufnahme von Hygieneartikeln und Verfahren zu dessen Herstellung Foil tubular bag for holding hygiene articles and process for its manufacture
Die Erfindung betrifft einen Folienschlauchbeutel zur Aufnahme von Hygienear¬ tikeln, insbesondere gestapelter Watte-Pads nach dem Oberbegriff des Patent¬ anspruches 1 sowie ein Verfahren zu dessen Herstellung.The invention relates to a tubular film bag for holding hygiene articles, in particular stacked cotton pads according to the preamble of patent claim 1, and to a method for its production.
Bei solchen gattungsgemäßen Folienschlauchbeuteln besteht das Problem, daß die Hygieneartikel unkontrolliert aus der Entnahmeöffnung austreten können, da letztere in der Regel in der den Boden des Folienschlauchbeutels bildenden Beutelstirnwand angeordnet ist. Der Grund hierfür liegt darin, daß am oberen Ende des Folienschlauchbeutels eine Aufhängevorrichtung in Form einer Kordel vorgesehen ist, so daß der Folienschlauchbeutel als Art Spender aufgehängt und die beispielsweise darin befindlichen Watte-Pads sukzessive aus der un¬ tenliegenden Entnahmeöffnung herausgezogen werden können.The problem with such generic tubular film bags is that the hygiene articles can emerge from the removal opening in an uncontrolled manner, since the latter is generally arranged in the end wall of the bag forming the bottom of the tubular film bag. The reason for this is that a hanging device in the form of a cord is provided at the upper end of the tubular film bag, so that the tubular film bag can be suspended as a kind of dispenser and the cotton pads located therein, for example, can be successively removed from the removal opening below.
Ein ganz grundsätzliches Problem liegt darüber hinaus darin, daß der Beutel¬ inhalt mit der Zeit durch Fremdkörper- oder Staubeintritt über die Entnahme¬ öffnung verschmutzen kann.A very fundamental problem also lies in the fact that the contents of the bag can become dirty over time through the entry opening of foreign bodies or dust.
Ausgehend von dem geschilderten Nachteil der Folienschlauchbeutel nach dem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, einen solchen Folienschlauchbeutel so weiterzubilden, daß ein zuverlässiger Schutz des Beu¬ telinhalts vor Verschmutzungen gewährleistet ist. Gleichzeitig soll durch diese Weiterbildung der Herstellungsaufwand nicht wesentlich erhöht werden, da es sich bei solchen Folienschlauchbeuteln um ausgesprochene Massenprodukte han¬ delt.Based on the described disadvantage of the tubular film bag according to the prior art, the object of the invention is to develop such a tubular film bag in such a way that reliable protection of the bag contents from contamination is ensured. At the same time, this development should not significantly increase the manufacturing outlay, since such tubular film bags are pronounced mass products.
Diese Aufgabe wird in produkttechnischer Hinsicht durch die im Kennzeich¬ nungsteil des Anspruches 1 angegebenen Merkmale bzw. in herstellungstechni¬ scher Hinsicht durch die im Kennzeichnungsteil des Anspruches 7 angegebenen Verfahrensmerkmale gelöst. Demnach ist bei dem Folienschlauchbeutel eine Ab¬ decklasche zum Abdecken der Entnahmeöffnung vorgesehen, die an die Beutel¬ seitenwand und/Beutelstirnwand einstückig angesetzt ist. Zur Sicherung der Abdecklasche in ihrer Abdeckstellung ist sie im Bereich ihrer Laschenfläche lösbar mit dem Schlauchbeutel verbindbar, was z.B. mittels eines Haftklebe¬ punktes (Anspruch 6) oder eines doppelseitigen Klebeetiketts geschehen kann, der an der Abdecklasche oder am Schlauchbeutel in Form eines aufgesprühten, drucksensitiven Klebstoffes angebracht sein kann.This object is achieved in terms of product technology by the features specified in the characterizing part of claim 1 or in terms of production technology by the method features specified in the characterizing part of claim 7. Accordingly, a cover flap for covering the removal opening is provided in the tubular film bag, which is attached in one piece to the bag side wall and / bag end wall. To secure the cover flap in its cover position, it can be detachably connected to the tubular bag in the area of its flap surface, which e.g. by means of a pressure-sensitive adhesive point (claim 6) or a double-sided adhesive label which can be attached to the cover flap or to the tubular bag in the form of a sprayed-on, pressure-sensitive adhesive.
ERSÄΓZBLÄΓT (REGEL 26) Aufgrund dieser Abdecklasche kann die Entnahmeöffnung jederzeit wieder ver¬ schlossen werden, wodurch eine Verschmutzung der Hygieneartikel durch Ein¬ treten von Staub, Feuchtigkeit oder dergleichen in den Beutelinnenraum und ein unbeabsichtigtes Herausfallen vermieden werden.ERSÄΓZBLÄΓT (RULE 26) Because of this cover flap, the removal opening can be closed again at any time, thereby preventing the hygiene articles from becoming dirty due to dust, moisture or the like entering the interior of the bag and preventing them from accidentally falling out.
Durch die einstückige Ausbildung der Abdecklasche mit dem Folienschlauchbeu¬ tel, wie dies verfahrenstechnisch im Kennzeichen des Anspruches 7 angegeben ist, ist der Folienschlauchbeutel besonders einfach herstellbar, da kein ge¬ sonderter Folienzuschnitt für die Abdecklasche angebracht werden muß.Due to the one-piece design of the cover flap with the film tube bag, as is procedurally indicated in the characterizing part of claim 7, the film tube bag is particularly easy to produce, since no special film cut has to be made for the cover flap.
Weitere vorrichtungs- und verfahrenstechnische Merkmale sowie Einzelheiten und Vorteile der Erfindung sind der nachfolgenden Beschreibung entnehmbar, in der ein Ausführungsbeispiel des Erfindungsgegenstandes sowie des erfm- dungsgemäßen Verfahrens anhand der beiliegenden Figuren näher erläutert wird. Es zeigen:Further device and procedural features as well as details and advantages of the invention can be found in the following description, in which an exemplary embodiment of the subject matter of the invention and of the method according to the invention is explained in more detail with reference to the accompanying figures. Show it:
Fig. 1 eine perspektivische Ansicht eines Folienschlauchbeutels gemäß der Erfindung,1 is a perspective view of a tubular film bag according to the invention,
Fig. 2 einen Schnitt durch den Folienschlauchbeutel entlang der Schnittlinie II-II nach Fig. 1,2 shows a section through the tubular film bag along the section line II-II according to FIG. 1,
Fig. 3A-C Schnitte durch eine Folienbahn quer zur Abzugsrichtung in auf¬ einanderfolgenden Zwischenschritten bei der Fertigung des Folien¬ schlauchbeutels und3A-C sections through a film web transverse to the take-off direction in successive intermediate steps in the manufacture of the film tubular bag and
Fig. 4 eine Draufsicht auf einen Folienschlauchbeutel in flachliegendem Zu¬ stand, wie er durch Trennschweißen aus der Folienbahn gemäß Fig. 3C erhältlich ist.4 shows a plan view of a tubular film bag in a flat-lying state, as can be obtained by separating welding from the film web according to FIG. 3C.
Wie aus den Fig. 1 und 2 deutlich wird, dient ein erfindungsgemäßer Folien¬ schlauchbeutel zur Aufnahme von gestapelten, kreisrunden Wattepads 1. Der Folienschlauchbeutel weist eine Beutelseitenwand 2 auf, die eine zylindrische Beutelform bildet und aus zwei durch Schweißnähte 3,4 verbundene Seitenwand- teilen 5,6 zusammengesetzt ist. Am oberen Ende sind die beiden Seitenwandteile 5,6 durch eine quer verlaufende Schweißnaht 7 miteinander verbunden, wobei unterhalb dieser Schweißnaht 7 eine Aufhängekordel 8 durch die Seitenwand¬ teile 5,6 hindurchgezogen und an ihren beiden Enden verknotet (Knoten 9) ist.As is clear from FIGS. 1 and 2, a tubular film bag according to the invention serves to hold stacked, circular cotton pads 1. The tubular film bag has a bag side wall 2, which forms a cylindrical bag shape and consists of two side wall connected by welds 3, 4. divide 5.6 is composed. At the upper end, the two side wall parts 5, 6 are connected to one another by a transverse weld 7, wherein Below this weld 7, a hanging cord 8 is pulled through the side wall parts 5, 6 and knotted at both ends (node 9).
Am Boden 10 des Folienschlauchbeutels gehen die beiden Seitenwandteile 5,6 einstückig in eine stirnseitig angeordnete Bodenwand 11 über, die im Bereich der beiden Schweißnähte 3,4 mit eingeschweißt ist und dadurch die beiden seitlichen Zwickel 12,13 bildet.At the bottom 10 of the tubular film bag, the two side wall parts 5, 6 merge in one piece into a bottom wall 11 arranged on the end face, which is also welded in the area of the two weld seams 3, 4 and thereby forms the two side gussets 12, 13.
Mittig zwischen den beiden Schweißnähten 3,4 ist eine Abdecklasche 14 vorge¬ sehen, die aus zwei deckungsgleich übereinander liegenden Folienlagen 15,16 besteht. Letztere setzen sich einerseits einstückig aus dem Seitenwandteil 5 und andererseits einstückig aus der Bodenwand 11 fort. Die Breite b dieser Abdecklasche 14 entspricht etwa dem halben Durchmesser d des Folienschlauch¬ beutels. Ihre Länge 1 entspricht etwa dem 1,5-fachen des Durchmessers d, so daß die Abdecklasche 14 über den Boden 10 des Folienschlauchbeutels auf das gegenüberliegende Seitenwandteil 6 entsprechend dem Pfeil 17 gezogen werden kann und mittels eines dort aufgesprühten Haftklebepunktes 18 aus drucksensi¬ tivem Klebstoff lösbar mit dem Folienschlauchbeutel verbindbar ist.A cover flap 14 is provided in the middle between the two weld seams 3, 4 and consists of two film layers 15, 16 lying congruently one above the other. The latter continue in one piece from the side wall part 5 and on the other hand in one piece from the bottom wall 11. The width b of this cover flap 14 corresponds approximately to half the diameter d of the tubular film bag. Their length 1 corresponds approximately to 1.5 times the diameter d, so that the cover flap 14 can be pulled over the bottom 10 of the tubular film bag onto the opposite side wall part 6 in accordance with the arrow 17 and by means of a pressure-sensitive adhesive 18 sprayed there from pressure-sensitive adhesive is detachably connectable to the tubular film bag.
Statt des aufgesprühten Haftklebepunktes 18 kann auch ein doppelseitig kle¬ bendes Etikett 18' verwendet werden, das als sogenanntes Transfer-Etikett während der Herstellung des Folienschlauchbeutels vor dem freien Ende der Abdecklasche 14 aufgebracht wird. Die erzielbaren Klebkräfte der beidersei¬ tigen Klebebeschichtungen des Etiketts 18' sind dabei so eingestellt, daß die Klebkraft der Beschichtung auf der Abdecklaschen-Seite nur etwa ein Fünftel der Klebkraft der Beschichtung auf der anderen Seite ist. Dies bedeutet, daß beim Herumschlagen der Abdecklasche 14 auf das gegenüberliegende Seiten¬ wandteil 6 analog Pfeil 17 und dem Aufdrücken des Etikettes 18' auf dieses Seitenwandteil 6 sich beim darauffolgenden Abziehen der Abdecklasche 14 zum Öffnen das Etikett 18' von der Abdecklasche 14 löst und auf dem Seitenwand¬ teil 6 verbleibt. Dort dient es zum wiederholten Fixieren der Abdecklasche 14 in deren geschlossenem Zustand.Instead of the sprayed-on pressure-sensitive adhesive point 18, a double-sided adhesive label 18 'can also be used, which is applied as a so-called transfer label during the manufacture of the tubular film bag in front of the free end of the cover flap 14. The achievable adhesive strengths of the mutual adhesive coatings on the label 18 'are set such that the adhesive strength of the coating on the cover flap side is only about one fifth of the adhesive strength of the coating on the other side. This means that when the cover flap 14 is knocked over on the opposite side wall part 6 analogous to arrow 17 and the label 18 'is pressed onto this side wall part 6 when the cover flap 14 is subsequently pulled off to open, the label 18' detaches from the cover flap 14 and opens the side wall part 6 remains. There it serves to repeatedly fix the cover flap 14 in its closed state.
Im Ansatzbereich der Abdecklasche 14 an den Folienschlauchbeutel sind die beiden Folienlagen 15,16 durch eine Schweißnaht 19 (strichpunktiert dargestellt in Fig. 1) miteinander verbunden, so daß der zwischen den beiden Folienlagen 15, 16 bestehende Raum nicht für Wattepads 1 oder Flusen, Staub oder der¬ gleichen zugänglich ist.In the attachment area of the cover flap 14 to the tubular film bag, the two film layers 15, 16 are connected to one another by a weld seam 19 (shown in broken lines in FIG. 1), so that the one between the two film layers 15, 16 existing space is not accessible for cotton pads 1 or fluff, dust or the like.
An ihrem freien Ende ist die Abdecklasche 14 mit einer Prägeverstärkung 20 versehen, die ein Griffteil zum Ergreifen der Abdecklasche 14 bildet.At its free end, the cover flap 14 is provided with an embossing reinforcement 20, which forms a grip part for gripping the cover flap 14.
Mittels der Abdecklasche 14 ist die Entnahmeöffnung 21 abdeckbar, die durch Heraustrennen des durch die ovale Perforation 22 umgrenzten Bereiches in der Bodenwand 11 geschaffen werden kann. Um ein automatisches Heraustrennen des durch die Perforation 22 umgrenzten Bereiches beim erstmaligen Öffnen der Ab¬ decklasche 14 entgegen der Pfeilrichtung 17 zu erreichen, sitzt im Zentrum dieses Bereiches ein weiteres doppelseitig klebendes Etikett 18", dessen beid- seitige Klebebeschichtungen gleiche Klebkräfte erzielen. Es wird also eine feste Verbindung zwischen dem von der Perforation 22 umgrenzten Bereich der Bo¬ denwand und der Abdecklasche 14 gebildet, die zu dem besagten automatischen Aufreißen der Entnahmeöffnung 21 führt. Um dabei ein kontrolliertes Aufreißen der Perforation 22 zu unterstützen, weist diese auf der dem Ansatzbereich der Abdecklasche 14 am Beutel abgewandten Seite einen durchgehenden Schlitz 22' auf, dessen Länge etwa 1 bis 2 cm beträgt. Von den Enden des Schlitzes be¬ ginnt beim erstmaligen Abziehen der Abdecklasche 14 der Aufreißvorgang ent¬ lang der Perforation 22. Der Schlitz 22' unterstützt dabei auch eine Entlüftung des Beutels beim Einfüllen der Wattepads 1, da der Schlitz 22' sich dabei öff¬ nen und dadurch die Luft entweichen kann. Durch die erst verbraucherseitig aufreißbare Entnahmeöffnung ist ein Originalitätsverschluß gegeben.By means of the cover flap 14, the removal opening 21 can be covered, which can be created by removing the area in the bottom wall 11 delimited by the oval perforation 22. In order to automatically separate the area delimited by the perforation 22 when the cover flap 14 is opened for the first time in the opposite direction of the arrow 17, a further double-sided adhesive label 18 ″ is located in the center of this area, the adhesive coatings on both sides of which achieve the same adhesive strength Thus, a firm connection is formed between the area of the bottom wall delimited by the perforation 22 and the cover flap 14, which leads to the said automatic tearing open of the removal opening 21. In order to support a controlled tearing open of the perforation 22, the perforation 22 points to that of the attachment area the cover flap 14 on the side facing away from the bag has a continuous slot 22 ', the length of which is approximately 1 to 2 cm. From the ends of the slot, when the cover flap 14 is pulled off for the first time, the tearing process begins along the perforation 22. The slot 22' also supports ventilation of the pouch at the egg filling the cotton pads 1, since the slot 22 'opens and the air can escape. The tamper-evident opening can only be torn open by the consumer.
Anhand der Fig. 3 und 4 ist das erfindungsgemäße Verfahren zur Herstellung des Folienschlauchbeutels zu erläutern.The method according to the invention for producing the tubular film bag is to be explained with reference to FIGS. 3 and 4.
Von einer (nicht dargestellten) Mutterrolle wird eine Folienbahn 23, die gege¬ benenfalls bereits bedruckt ist, kontinuierlich abgezogen (Fig. 3A). Dabei wird eine Perforation 22 an entsprechender Stelle zur Erzeugung einer aufrei߬ baren Entnahmeöffnung 21 eingebracht.A film web 23, which may already have been printed, is continuously drawn off from a parent roll (not shown) (FIG. 3A). In this case, a perforation 22 is introduced at a corresponding point in order to produce a tearable opening 21.
Anschließend wird die Folienbahn 23 von einer Seite her umgeschlagen, um zwei übereinanderliegende Folienlagen 24, 25 zu bilden. Aufgrund des Um¬ schlags von einer Seite her sind die beiden Folienlagen 24,25 randseitig durch eine in Abzugsrichtungrichtung A verlaufende Umschlagkante 26 verbunden (Fig. 3B). Ein Haftklebepunkt 18 aus einem drucksensitiven Klebstoff wird an entsprechender Stelle der oberen Folienlage 24 aufgesprüht. Anschließend wird diese Folienlagenanordnung von der Umschlagkante 26 her asymmetrisch einge¬ schlagen, wobei eine kurze, einwärts gerichtete Bodenwandfalte 27 und eine zwischen dieser und der unteren Folienlage 25 verlaufende, längere Laschen- falte 28 gebildet werden (Fig. 3C). Die Bodenwandfalte 27 weist eine parallel zur Abzugsrichtung A verlaufende, innere Faltkante 29 auf. Die obere Folien¬ lage 24 ist durch die ebenfalls zur Abzugsrichtung A verlaufende Faltkante 30 begrenzt. Die Laschenfalte 29 weist eine randseitige Faltkante 31 auf und bil¬ det die oben erwähnten Folienlagen 15,16 der Abdecklasche 14.The film web 23 is then turned over from one side in order to form two film layers 24, 25 lying one above the other. Because of the cover from one side, the two film layers 24, 25 are through on the edge a cover edge 26 extending in the pull-off direction A is connected (FIG. 3B). A pressure-sensitive adhesive point 18 made of a pressure-sensitive adhesive is sprayed onto the corresponding location on the upper film layer 24. This film layer arrangement is then folded in asymmetrically from the cover edge 26, a short, inwardly directed bottom wall fold 27 and a longer flap fold 28 running between this and the lower film layer 25 being formed (FIG. 3C). The bottom wall fold 27 has an inner fold edge 29 running parallel to the pull-off direction A. The upper film layer 24 is delimited by the folding edge 30 which also extends to the pull-off direction A. The tab fold 29 has an edge-side fold edge 31 and forms the above-mentioned film layers 15, 16 of the cover tab 14.
Nachdem die Folienbahn 23 in die in Fig. 3C gezeigte Konfiguration gelegt worden ist, wird der in Fig. 4 in flachgelegtem Zustand gezeigte Folien¬ schlauchbeutel aus der Folienlagenanordnung gemäß Fig. 3C durch ein geeig¬ netes Trennschweißwerkzeug gebildet. Dieses Trennschweißwerkzeug trenn¬ schweißt die beiden Folienlagen 24,25 der Folienbahn 23 unter Bildung der geraden, quer zur Abzugsrichtung A verlaufenden Schweißnähte 3,4, die die beiden aus den Folienlagen 24,25 gebildeten Seitenwandteile 5,6 verbinden. Die Schweißnähte 3,4 verlaufen bis knapp über die Faltkante 30 zwischen der obe¬ ren Folienlage 24 und der Bodenwandfalte 27. Dabei wird die Bodenwandfalte 27 im Bereich der beiden Schweißnähte 3,4 mit erfaßt, wodurch die beiden Zwickel 12,13 gebildet werden. Am bodenseitigen Ende 32 der Schweißnähte 3,4 setzt sich das Trennschweißwerkzeug so fort, daß in Abzugsrichtung A verlau¬ fende Trennschweiß-Nahtabschnitte 33,34 und ein diese verbindender, die Um¬ rissform der Abdecklasche 14 definierender Schweißnahtabschnitt 35 gebildet werden.After the film web 23 has been placed in the configuration shown in FIG. 3C, the film tubular bag shown in the flat state in FIG. 4 is formed from the film layer arrangement according to FIG. 3C by a suitable separating welding tool. This separation welding tool separates welds the two film layers 24, 25 of the film web 23 to form the straight weld seams 3, 4, which run transversely to the withdrawal direction A and which connect the two side wall parts 5, 6 formed from the film layers 24, 25. The weld seams 3, 4 extend to just above the fold edge 30 between the upper film layer 24 and the bottom wall fold 27. The bottom wall fold 27 is also included in the area of the two weld seams 3, 4, whereby the two gussets 12, 13 are formed. At the bottom end 32 of the weld seams 3, 4, the separating welding tool continues in such a way that separating weld seam sections 33, 34 extending in the withdrawal direction A and a weld seam section 35 connecting them and defining the outline shape of the cover flap 14 are formed.
Gleichzeitig mit dem Trennschweißvorgang mittels des nicht näher gezeigten Trennschweißwerkzeuges wird zwischen die beiden einander zugewandten Enden der Schweißnahtabschnitte 33,34 die Schweißnaht 19 gesetzt, die die beiden Folienlagen 15,16 der Abdecklasche 14 verbindet.Simultaneously with the separating welding process by means of the separating welding tool (not shown in more detail), the weld seam 19, which connects the two film layers 15, 16 of the cover flap 14, is placed between the two mutually facing ends of the weld seam sections 33, 34.
Die Trennschweiß-Nahtabschnitte 33, 34 und die Schweißnaht 19 liegen eine kurze Distanz seitlich neben der Faltkante 30, so daß das Schweißwerkzeug problemlos angreifen kann. Es ist jedoch darauf hinzuweisen, daß durch ein Hochführen der Faltkante 30 die Schweißnaht 19 und die beiden Schweißnaht¬ abschnitte 33,34 auch fluchtend mit dieser Faltkante 30 angebracht werden können. The separating welding seam sections 33, 34 and the welding seam 19 lie a short distance laterally next to the folded edge 30, so that the welding tool can easily attack. However, it should be noted that by a Raising the folded edge 30, the weld 19 and the two weld sections 33, 34 can also be applied in alignment with this folded edge 30.

Claims

Ansprüche Expectations
1. Folienschlauchbeutel zur Aufnahme von Hygieneartikeln, insbesondere gesta¬ pelter Watte-Pads (1), mit einer eine zylindrische Beutelform bildenden Beutel¬ seitenwand (2) und einer mit einer Entnahmeöffnung (21) versehenen Beutel¬ stirnwand (Bodenwand 11), welche Wände (Beutelseitenwand 2, Bodenwand 11) aus einer einzigen Folienbahn (23) gebildet sind, dadurch gekennzeichnet, daß eine an die Beutelseitenwand (2) und/oder Beutelstirnwand (Bodenwand 11) einstückig angesetzte Abdecklasche (14) zum Abdecken der Entnahmeöffnung (21) vorgesehen ist, welche Abdecklasche (14) im Bereich ihrer Laschenfläche lösbar mit dem Folienschlauchbeutel verbindbar ist.1. Foil tubular bag for receiving hygiene articles, in particular stacked cotton pads (1), with a bag side wall (2) forming a cylindrical bag shape and a bag end wall (bottom wall 11) provided with a removal opening (21), which walls (Bag side wall 2, bottom wall 11) are formed from a single film web (23), characterized in that a cover flap (14), which is integrally attached to the bag side wall (2) and / or the bag end wall (bottom wall 11), is provided for covering the removal opening (21) is which cover flap (14) is releasably connectable to the tubular film bag in the area of its flap surface.
2. Folienschlauchbeutel nach Anspruch 1, dadurch gekennzeichnet, daß die Abdecklasche (14) aus zwei Folienlagen (15,16) besteht, die jeweils einstückig an die Beutelseitenwand (Seitenwandteil 6) bzw. die Beutelstirnwand (Boden¬ wand 11) angesetzt sind.2. tubular film bag according to claim 1, characterized in that the cover flap (14) consists of two layers of film (15, 16) which are each integrally attached to the side wall of the bag (side wall part 6) or the front wall of the bag (bottom wall 11).
3. Folienschlauchbeutel nach Anspruch 2, dadurch gekennzeichnet, daß die Abdecklasche (14) in ihrem Ansatzbereich an die Beutelseiten- (11) bzw. Beutelstirnwand (Bodenwand 11) mit einer ihre beiden Folienlagen (15,16) verbindenden Naht, insbesondere Schweißnaht (19) versehen ist.3. tubular film bag according to claim 2, characterized in that the cover flap (14) in its attachment area to the bag side (11) or bag end wall (bottom wall 11) with a seam connecting their two film layers (15, 16), in particular weld seam (19 ) is provided.
4. Folienschlauchbeutel nach einem der Ansprüche 1 bis 3, dadurch gekenn¬ zeichnet, daß die Breite (b) der Abdecklasche (14) etwa dem halben Durch¬ messer (d) entspricht und ihre Länge (1) größer als der Durchmesser (d) des Folienschlauchbeutels ist.4. tubular film bag according to one of claims 1 to 3, characterized gekenn¬ characterized in that the width (b) of the cover flap (14) corresponds approximately to half the diameter (d) and its length (1) greater than the diameter (d) of the tubular film pouch.
5. Folienschlauchbeutel nach einem der Ansprüche 1 bis 4, dadurch gekenn¬ zeichnet, daß die Abdecklasche (14) an ihrem freien Ende mit einem Griffteil (Prägeverstärkung 20) versehen ist.5. tubular film bag according to one of claims 1 to 4, characterized gekenn¬ characterized in that the cover flap (14) is provided at its free end with a handle part (embossing reinforcement 20).
6. Folienschlauchbeutel nach einem der Ansprüche 1 bis 5, dadurch gekenn¬ zeichnet, daß die Abdecklasche (14) im Bereich ihres freien Endes mittels eines Haftklebepunktes (18) an dem Bereich der Beutelseitenwand (2) lösbar befestigbar ist, die den Ansatzbereich der Abdecklasche (14) am Beutel ge¬ genüberliegt. 6. tubular film bag according to one of claims 1 to 5, characterized gekenn¬ characterized in that the cover flap (14) in the region of its free end by means of a pressure-sensitive adhesive point (18) on the region of the bag side wall (2) is releasably attachable to the attachment area of the cover flap (14) on the bag.
7. Verfahren zur Herstellung eines Folienschlauchbeutels nach einem der An¬ sprüche 1 bis 6 aus einer kontinuierlich abgezogenen Folienbahn (23), ££: kennzeichnet durch folgende Verfahrensschritte:7. Process for producing a tubular film bag according to one of claims 1 to 6 from a continuously drawn film web (23), ££: characterized by the following process steps:
- Umschlagen der Folienbahn (23) auf sich zur Bildung zweier übereinander- liegender Folienlagen (24,25), die über eine in Abzugsrichtung (A) ver¬ laufende, randseitige Umschlagkante (26) miteinander verbunden sind,Folding over the film web (23) on itself to form two film layers (24, 25) lying one above the other, which are connected to one another via an edge edge (26) running in the pull-off direction (A),
- asymmetrisches Einschlagen der Folienlagenanordnung von der Umschlagkante (26) der beiden Folienlagen (24, 25) her unter Bildung einer kurzen, ein¬ wärts gerichteten Stirnwandfalte (Bodenwandfalte 27) und einer zwischen dieser und der einen Folienlage (25) verlaufenden, längeren Laschenfalte (28), und- Asymmetrical wrapping of the film layer arrangement from the cover edge (26) of the two film layers (24, 25), forming a short, inward-facing end wall fold (bottom wall fold 27) and a longer tab fold running between the latter and the one film layer (25) ( 28), and
- Trennschweißen der Folienlagenanordnung unter Bildung der Beutelseitenwand (2) aus den beiden Folienlagen (24, 25), des Stirnwandteils (Bodenwand 11) aus der Stirnwandfalte (Bodenwandfalte 27) und der Abdecklasche (14) aus der Laschenfalte (28).- Separation welding of the film layer arrangement to form the bag side wall (2) from the two film layers (24, 25), the front wall part (bottom wall 11) from the front wall fold (bottom wall fold 27) and the cover flap (14) from the flap fold (28).
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß mit oder nach dem Trennschweißen die Folienlagen (15,16) im Bereich der Laschenfalte (28) mittels einer Schweißnaht (19) verbunden werden.8. The method according to claim 7, characterized in that with or after the separation welding, the film layers (15, 16) in the area of the tab fold (28) are connected by means of a weld seam (19).
9. Verfahren nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß vor dem Einschlagen der Folienbahn (23) eine Perforation (22) zur Bildung der Entnah¬ meöffnung (21) in die Folienbahn (23) eingebracht wird.9. The method according to claim 7 or 8, characterized in that a perforation (22) for forming the Entnah¬ me opening (21) is introduced into the film web (23) before wrapping the film web (23).
10. Verfahren nach einem Ansprüche 7 bis 9, dadurch gekennzeichnet, daß auf eine der Folienlagen (24,25) der Folienbahn (23) ein Haftklebepunkt (18) auf¬ gebracht wird. 10. The method according to any one of claims 7 to 9, characterized in that a pressure-sensitive adhesive point (18) is brought onto one of the film layers (24, 25) of the film web (23).
EP94917643A 1993-05-27 1994-05-18 Flexible tubular bag for hygienic articles and process for producing the same Expired - Lifetime EP0699163B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4317611 1993-05-27
DE4317611A DE4317611A1 (en) 1993-05-27 1993-05-27 Foil tubular bag for holding hygiene articles and process for its manufacture
PCT/EP1994/001602 WO1994027889A1 (en) 1993-05-27 1994-05-18 Flexible tubular bag for hygienic articles and process for producing the same

Publications (2)

Publication Number Publication Date
EP0699163A1 true EP0699163A1 (en) 1996-03-06
EP0699163B1 EP0699163B1 (en) 1997-01-29

Family

ID=6489018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94917643A Expired - Lifetime EP0699163B1 (en) 1993-05-27 1994-05-18 Flexible tubular bag for hygienic articles and process for producing the same

Country Status (8)

Country Link
US (1) US5704714A (en)
EP (1) EP0699163B1 (en)
AT (1) ATE148420T1 (en)
DE (2) DE4317611A1 (en)
DK (1) DK0699163T3 (en)
ES (1) ES2097050T3 (en)
GR (1) GR3022526T3 (en)
WO (1) WO1994027889A1 (en)

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US6946413B2 (en) 2000-12-29 2005-09-20 Kimberly-Clark Worldwide, Inc. Composite material with cloth-like feel
US7176150B2 (en) 2001-10-09 2007-02-13 Kimberly-Clark Worldwide, Inc. Internally tufted laminates

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Also Published As

Publication number Publication date
DK0699163T3 (en) 1997-08-18
GR3022526T3 (en) 1997-05-31
DE4317611A1 (en) 1995-01-05
ES2097050T3 (en) 1997-03-16
EP0699163B1 (en) 1997-01-29
ATE148420T1 (en) 1997-02-15
US5704714A (en) 1998-01-06
DE59401728D1 (en) 1997-03-13
WO1994027889A1 (en) 1994-12-08

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