EP0361006B1 - Bag with apertures situated near the edge for supporting pins - Google Patents

Bag with apertures situated near the edge for supporting pins Download PDF

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Publication number
EP0361006B1
EP0361006B1 EP89113453A EP89113453A EP0361006B1 EP 0361006 B1 EP0361006 B1 EP 0361006B1 EP 89113453 A EP89113453 A EP 89113453A EP 89113453 A EP89113453 A EP 89113453A EP 0361006 B1 EP0361006 B1 EP 0361006B1
Authority
EP
European Patent Office
Prior art keywords
cutouts
flaps
edge
holes
tubular
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 - Lifetime
Application number
EP89113453A
Other languages
German (de)
French (fr)
Other versions
EP0361006A1 (en
Inventor
Friedhelm Dipl.-Ing. Mundus
Fritz Achelpohl
Helmut Mattle
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0361006A1 publication Critical patent/EP0361006A1/en
Application granted granted Critical
Publication of EP0361006B1 publication Critical patent/EP0361006B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/001—Blocks, stacks or like assemblies of bags
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S206/00—Special receptacle or package
    • Y10S206/806—Suspension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00—Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/916—Pliable container
    • Y10S493/926—Pliable container having handle or suspension means

Definitions

  • the invention relates to a method for producing one-sided open bags according to the preamble of patent claim 1.
  • Bags according to the preamble of claim 1 are also used for packaging, for example, Windein.
  • the uppermost bag of a stack of bags held on holding pins is inflated by blowing air, so that pincer-shaped transport tongs holding the Windein move into the bag with the Windein and can tear off the holding pins after the Windein has been inserted into the bag.
  • After the grippers have been moved out of the bag their open sides are opened closed by cross-weld separating seams above the holes, so that film strips provided with the holes occur as waste. Since these strips of waste are relatively wide, there is a considerable loss of material.
  • the object of the invention is therefore to provide a method of the type mentioned, in which, despite the tabs provided with holding holes, there is only a negligible loss of material when the parts projecting beyond the bottom weld seam are removed.
  • this object is achieved in a method of the generic type by the characterizing features of patent claim 1.
  • the sections which result from the addition of the opening side provided with the tabs to a rectangular section are eliminated as waste.
  • the waste resulting from the separation of the tabs when the bags are closed is saved again on the side of the bags opposite the later closure seam.
  • double flaps are therefore preferably provided so that only the outer sides of the film web and not also possibly different-colored inner sides appear in a uniform manner on the strip provided with the grip hole punching.
  • the holes are made in parts of the side walls which protrude laterally beyond the central region of the opening edges.
  • the lateral protruding parts are expediently in the area of the Gussets. If the parts provided with the holes are only in the lateral areas of the sections, when the sections are separated from a flat or tubular web by punching cuts on the side of the handle portion of the flat-lying sack protruding beyond the cross-weld seam, complementary cutouts result that provide the strips provided with the handle hole punching cannot weaken. This means that there are no more recesses in the grip hole area that are complementary to the tabs or parts provided with the holding holes and that could appear unsightly.
  • the cutouts can be triangular or approximately quarter-circular.
  • the layer or layers covering the lower layer are expediently provided with oblong perforations, so that they have no holding function.
  • incisions can be provided between the holes and the free edges, which are separated from the holes by material webs.
  • the side partial areas 14, 15 and 14 ', 15' are extended in the manner shown beyond the central areas of the opening edges 6, 7 of the upper and lower side walls in an approximately quarter-circular manner.
  • the lower layer of the side gusset area is provided with a holding hole 16, while the layers of the side gussets lying above it have freely extending elongated holes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Herstellung einseitig offener Beutel nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a method for producing one-sided open bags according to the preamble of patent claim 1.

Aus US-A-4,759,639 sind mit Seitenfalten versehene Beutel aus thermoplastischem Kunststoff bekannt, die an einem Ende durch eine Querschweißnaht geschlossen sind und die an ihrem Einfüllende mit in die Öffnungsränder eingestanzten Grifföffnungen und seitlich dieser Grifföffnungen im Randbereich einer Seitenwandung mit Laschen versehen sind, in die Löcher für Haltestifte eingestanzt sind. Bei der Herstellung derartiger Beutel fallen Abfallabschnitte an, die sich aus der Ergänzung der Kontur der Öffnungsseite des flach liegenden Beutels zu einem rechteckigen Abschnitt ergeben.From US-A-4,759,639 side gusseted bags made of thermoplastic material are known, which are closed at one end by a transverse weld seam and which are provided at their filling end with handle openings punched into the opening edges and laterally with these handle openings in the edge region of a side wall with tabs the holes for retaining pins are punched. In the manufacture of such bags there are waste sections which result from the addition of the contour of the opening side of the flat-lying bag to a rectangular section.

Beutel nach dem Oberbegriff des Patentanspruchs 1 werden auch zum Verpacken beispielsweise von Windein verwendet. Dabei wird der jeweils oberste Beutel eines auf Haltestiften gehalterten Beutelstapels durch Blasluft aufgeblasen, so daß zangenförmige, die Windein halternde Transportzangen mit den Windein in die Beutel hineinfahren und diese nach dem Einschieben der Windein in die Beutel von den Haltestiften abreißen können. Nach dem Herausfahren der Greifer aus den Beutein werden deren offene Seite durch oberhalb der Löcher angebrachte Querschweiß-Trennähte geschlossen, so daß mit den Löchern versehene Folienstreifen als Abfall anfallen. Da diese Abfallstreifen relativ breit sind, tritt ein erheblicher Materialverlust ein.Bags according to the preamble of claim 1 are also used for packaging, for example, Windein. The uppermost bag of a stack of bags held on holding pins is inflated by blowing air, so that pincer-shaped transport tongs holding the Windein move into the bag with the Windein and can tear off the holding pins after the Windein has been inserted into the bag. After the grippers have been moved out of the bag, their open sides are opened closed by cross-weld separating seams above the holes, so that film strips provided with the holes occur as waste. Since these strips of waste are relatively wide, there is a considerable loss of material.

Aufgabe der Erfindung ist es daher, ein Verfahren der eingangs angegebenen Art zu schaffen, bei dem sich trotz der mit Haltelöchern versehenen Laschen beim Verschließen durch Abtrennen der die Bodenschweißnaht überragenden Teile nur ein vernachlässigbarer Materialverlust ergibt.The object of the invention is therefore to provide a method of the type mentioned, in which, despite the tabs provided with holding holes, there is only a negligible loss of material when the parts projecting beyond the bottom weld seam are removed.

Erfindungsgemäß wird diese Aufgabe bei einem Verfahren der gattungsgemäßen Art durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. Bei den nach dem erfindungsgemäßen Verfahren hergestellten Beuteln entfallen zunächst einmal die Abschnitte als Abfall, die sich aus der Ergänzung der mit den Laschen versehenen Öffnungsseite zu einem rechteckigen Abschnitt ergeben. Weiterhin wird bei den nach dem erfindungsgemäßen Verfahren hergestellten Beuteln der durch das Abtrennen der Laschen beim Verschließen der Beutel anfallende Abfall auf den der späteren Verschlußnaht gegenüberliegenden Seite der Beutel wieder eingespart.According to the invention, this object is achieved in a method of the generic type by the characterizing features of patent claim 1. In the case of the bags produced by the method according to the invention, the sections which result from the addition of the opening side provided with the tabs to a rectangular section are eliminated as waste. Furthermore, in the case of the bags produced by the method according to the invention, the waste resulting from the separation of the tabs when the bags are closed is saved again on the side of the bags opposite the later closure seam.

Denn die mit den Ausschnitten versehenen, die Querschweißnähte überragenden Streifen sind üblicherweise mit Grifflochausstanzungen versehen, so daß durch seitlich der Grifflochausstanzungen befindliche Ausschnitte in diesen Streifen keine Schwächung eintritt, da die mit den Ausschnitten versehenen Seitenbereiche der Streifen beim Tragen nicht belastet werden.This is because the strips provided with the cutouts, projecting beyond the transverse weld seams, are usually provided with finger hole cutouts, so that cutouts located on the side of the handle hole cutouts do not weaken these strips, since the side areas of the strips provided with the cutouts are not stressed when worn.

Bei den nach dem erfindungsgemäßen Verfahren hergestellten Seitenfaltenbeuteln werden vorzugsweis deshalb Doppellaschen vorgesehen, damit an dem mit der Grifflochstanzung versehenen Streifen in einheitlicher Weise nur äußere Seiten der Folienbahn und nicht auch möglicherweise andersfarbige Innenseiten in Erscheinung treten.In the case of the side-gusset bags produced by the method according to the invention, double flaps are therefore preferably provided so that only the outer sides of the film web and not also possibly different-colored inner sides appear in a uniform manner on the strip provided with the grip hole punching.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, daß die Löcher in seitlichen über den mittleren Bereich der Öffnungsränder hinausragenden Teilen der Seitenwände angebracht werden. Bei Seitenfaltensäcken befinden sich die seitlichen überragenden Teile zweckmäßigerweise im Bereich der Seitenfalten. Befinden sich die mit den Löchern versehenen Teile nur in den seitlichen Bereichen der Abschnitte, ergeben sich bei dem Abtrennen der Abschnitte von einer Flach- oder Schlauchbahn durch Stanzschnitte seitlich des die Querschweißnaht überragenden Griffteils des flachliegenden Sackes komplementäre Ausschnitte, die den mit der Grifflochstanzung versehenen Streifen nicht zu schwächen vermögen. Damit treten im Grifflochbereich keine zu den mit den Haltelöchern versehenen Laschen oder Teilen komplementäre Aussparungen mehr auf, die unschön in Erscheinung treten könnten.According to a further advantageous embodiment of the invention, it is provided that the holes are made in parts of the side walls which protrude laterally beyond the central region of the opening edges. In the case of gusseted bags, the lateral protruding parts are expediently in the area of the Gussets. If the parts provided with the holes are only in the lateral areas of the sections, when the sections are separated from a flat or tubular web by punching cuts on the side of the handle portion of the flat-lying sack protruding beyond the cross-weld seam, complementary cutouts result that provide the strips provided with the handle hole punching cannot weaken. This means that there are no more recesses in the grip hole area that are complementary to the tabs or parts provided with the holding holes and that could appear unsightly.

Die Ausschnitte können dreieckig oder etwa viertelkreisförmig sein.The cutouts can be triangular or approximately quarter-circular.

Zweckmäßigerweise sind die die untere Lage überdeckende Lage oder überdeckenden Lagen mit langlochartigen Ausstanzungen versehen, so daß diese keine Haltefunktion haben.The layer or layers covering the lower layer are expediently provided with oblong perforations, so that they have no holding function.

Um den Abreißwiderstand zu verringern, können zwischen den Löchern und den freien Rändern Einschnitte vorgesehen sein, die von den Löchern durch Materialstege getrennt sind.In order to reduce the tear resistance, incisions can be provided between the holes and the free edges, which are separated from the holes by material webs.

Ausführungsbeispiele der Erfindung werden nachstehend anhand der Zeichnung näher erläutert. In dieser zeigt

Fig. 1
eine perspektivische Darstellung einer Ausführungsform des Beutels, bei dem der Öffnungsrand mit seitlichen vorstehenden Teilen versehen ist, und
Fig. 2
eine vergrößerte Darstellung des in Fig. 1 eingekreisten und mit V bezeichneten Teils.
Embodiments of the invention are explained below with reference to the drawing. In this shows
Fig. 1
a perspective view of an embodiment of the bag, in which the opening edge is provided with lateral protruding parts, and
Fig. 2
an enlarged view of the circled in Fig. 1 and designated V part.

Bei dem Ausführungsbeispiel nach den Fig. 1 und 2 sind die Seitenteilbereiche 14, 15 und 14', 15' in der dargestellten Weise über die mittleren Bereiche der Öffnungsränder 6, 7 der oberen und unteren Seitenwand hinaus etwa viertelkreisförmig verlängert. Die untere Lage des Seitenfaltenbereiches ist mit einem Halteloch 16 versehen, während die darüberliegenden Lagen der Seitenfalten frei auslaufende Langlöcher aufweisen.In the exemplary embodiment according to FIGS. 1 and 2, the side partial areas 14, 15 and 14 ', 15' are extended in the manner shown beyond the central areas of the opening edges 6, 7 of the upper and lower side walls in an approximately quarter-circular manner. The lower layer of the side gusset area is provided with a holding hole 16, while the layers of the side gussets lying above it have freely extending elongated holes.

Durch das Ausstanzen dieser etwa viertelkreisförmigen Seitenfaltenbereiche ergeben sich komplementäre Aussparungen in dem die Querschweißnaht 13 überragenden Grifflochstreifen des Beutels. Diese unbelasteten Seitenteile des Grifflochstreifens können beim Stanzen der Beutelabschnitte weggeschnitten werden, da diese in einem nichttragenden Bereich liegen.The punching out of these approximately quarter-circular side fold regions results in complementary cutouts in the grip hole strips of the bag which protrude beyond the transverse weld seam 13. These unloaded side parts of the grip hole strip can be cut away when punching the bag sections because they are in a non-load-bearing area.

Claims (5)

  1. A method for manufacturing bags open on one side, consisting of a tubular section preferably provided with side folds (14, 15, 14', 15') of a thermoplastic synthetic material, which is closed at one end by a transverse weld seam (13) and is, at the other end, provided in the edge zone of the opening edge (6) of one of the side walls which, in the flat state of the bag lie one on the other, with flaps into which there are punched holes for supporting pins,
    characterized in that
    during the separation of the tubular sections from a tubular film web or from a flat film web folded into a tubular web, the flaps are formed by stamping cuts which produce complementary cutouts of the cut edge of the following section, and that the transverse weld seam (13) is arranged in the edge zone of the section provided with the cutouts, beneath the cutouts.
  2. A method according to claim 1, characterized in that, in the case of bags with side folds, the flaps are formed in the zone of the side folds (14, 15, 14', 15').
  3. A method according to claim 1 or 2, characterized in that the side flaps and complementary cutouts respectively are given a triangular or quadrant shape.
  4. A method according to one of claims 1 to 3, characterized in that the layer or layers covering the bottom layer are provided with slot-type stamped-out parts.
  5. A method according to one of claims 1 to 4, characterized in that between the holes (16) and the free edges, provision is made for cuts which are separated from the holes (16) by lands of material.
EP89113453A 1988-09-19 1989-07-21 Bag with apertures situated near the edge for supporting pins Expired - Lifetime EP0361006B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3831823 1988-09-19
DE3831823A DE3831823A1 (en) 1988-09-19 1988-09-19 POUCH WITH SEALED HOLES FOR HOLDING PINS

Publications (2)

Publication Number Publication Date
EP0361006A1 EP0361006A1 (en) 1990-04-04
EP0361006B1 true EP0361006B1 (en) 1993-12-08

Family

ID=6363268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89113453A Expired - Lifetime EP0361006B1 (en) 1988-09-19 1989-07-21 Bag with apertures situated near the edge for supporting pins

Country Status (4)

Country Link
US (1) US4974968A (en)
EP (1) EP0361006B1 (en)
JP (1) JPH02116305A (en)
DE (2) DE3831823A1 (en)

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US5378142A (en) * 1991-04-12 1995-01-03 Engelhard Corporation Combustion process using catalysts containing binary oxides
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CA2086477A1 (en) * 1992-08-03 1994-02-04 Donald B. Moore, Jr. Shrink bag with integral handle
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US5881882A (en) * 1996-07-03 1999-03-16 Sonoco Products Company Plastic bag pack adapted to leave no residue on a supporting rack
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US6080093A (en) * 1997-07-03 2000-06-27 Kenneth Fox Supply Company Apparatus for wicket-top converting of a cross-laminated synthetic resin fiber mesh bag
US5941639A (en) * 1997-12-24 1999-08-24 Kimberly-Clark Worldwide, Inc. Universal flexible packaging bag
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US6015373A (en) * 1998-08-04 2000-01-18 Kenneth Fox Supply Co. Method for wicket-top converting of a cross-laminated synthetic resin fiber mesh bag
US6626570B2 (en) 1998-10-16 2003-09-30 Kenneth Fox Supply Company Produce bag with draw top
US6190044B1 (en) 1998-10-16 2001-02-20 Kenneth Fox Supply Company Produce bag with improved strength and loading features
US6030120A (en) * 1998-10-16 2000-02-29 Kenneth Fox Supply Co. Produce bag with improved wicket features
US6761012B2 (en) 2001-12-18 2004-07-13 Atlanta Nisseki Claf, Inc. Pre-prepared mesh-film web for use on form, fill and seal machines
ITTO20021064A1 (en) * 2002-12-06 2004-06-07 Consorzio Acea BAG FOR THE DIFFERENTIATED COLLECTION OF SOLID URBAN WASTE.
EP2239204A1 (en) * 2009-04-09 2010-10-13 Papier-Mettler - Inh. Michael Mettler Plastic film bag and bag stack containing a number of these plastic film bag stacks
US20100284633A1 (en) * 2009-05-07 2010-11-11 Cmd Corporation Discrete pouch having a closure system secured thereto
WO2010132250A2 (en) * 2009-05-15 2010-11-18 Coating Excellence International Llc Bag having sealable gussets
US20100310195A1 (en) * 2009-06-05 2010-12-09 Gateway Packaging Company Layered bag with re-sealable closure assembly
US20110211775A1 (en) * 2010-03-01 2011-09-01 Conwed Plastics Llc Mesh bag for automated filling and method for making same
EP3015393A1 (en) * 2014-10-31 2016-05-04 Papier-Mettler KG Mailer bag
US10815019B2 (en) 2017-10-16 2020-10-27 Volm Companies, Inc. Automatic bagging machine having rollstock support spool

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Also Published As

Publication number Publication date
DE3831823A1 (en) 1990-03-22
EP0361006A1 (en) 1990-04-04
DE58906368D1 (en) 1994-01-20
US4974968A (en) 1990-12-04
JPH02116305A (en) 1990-05-01

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