EP0830937B1 - Procédé et appareil pour la fabrication de sacs à poignées - Google Patents

Procédé et appareil pour la fabrication de sacs à poignées Download PDF

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Publication number
EP0830937B1
EP0830937B1 EP96115023A EP96115023A EP0830937B1 EP 0830937 B1 EP0830937 B1 EP 0830937B1 EP 96115023 A EP96115023 A EP 96115023A EP 96115023 A EP96115023 A EP 96115023A EP 0830937 B1 EP0830937 B1 EP 0830937B1
Authority
EP
European Patent Office
Prior art keywords
strip
partial
initial material
material strip
tensile stress
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
EP96115023A
Other languages
German (de)
English (en)
Other versions
EP0830937A1 (fr
Inventor
Wilfried Dr. Kolbe
Klaus Schirrich
Dieter Obermeier
Fred Rostalski
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.)
Fischer and Krecke GmbH and Co KG
Original Assignee
Fischer and Krecke GmbH and Co 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 Fischer and Krecke GmbH and Co KG filed Critical Fischer and Krecke GmbH and Co KG
Priority to ES96115023T priority Critical patent/ES2170188T3/es
Priority to AT96115023T priority patent/ATE211681T1/de
Priority to EP96115023A priority patent/EP0830937B1/fr
Priority to DE59608564T priority patent/DE59608564D1/de
Priority to JP19925597A priority patent/JP3774545B2/ja
Priority to US08/893,905 priority patent/US5980441A/en
Publication of EP0830937A1 publication Critical patent/EP0830937A1/fr
Application granted granted Critical
Publication of EP0830937B1 publication Critical patent/EP0830937B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/74Auxiliary operations
    • B31B70/86Forming integral handles or mounting separate handles
    • B31B70/864Mounting separate handles on bags, sheets or webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00Shape of flexible containers
    • B31B2160/10Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/02Feeding or positioning sheets, blanks or webs
    • B31B70/10Feeding or positioning webs
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S493/00Manufacturing container or tube from paper; or other manufacturing from a sheet or web
    • Y10S493/916Pliable container
    • Y10S493/926Pliable container having handle or suspension means

Definitions

  • the invention relates to a method and an apparatus for producing Bags with handles.
  • Bags made of paper or plastic, used for example as retail bags in retail stores are usually provided with two handles, which are attached to the opposite walls of the bag.
  • the handles usually consist of strips of paper folded into several layers or plastic, which is formed into a U by right-angled folding twice and glued to the bag wall with the free ends of their free legs or welded on.
  • handles are either attached to the finished pouches or pre- Completion of the bags attached to the endless feedstock before or after it is closed into a tube.
  • the grip application devices are mostly symmetrical above and below the transport track arranged for the pouch so that the handles of opposite Sides can be attached to the pouches. Any grip application device So far, a rolling device has been assigned with which the starting material for the handle in question in the form of an endless strip of one Roll is withdrawn. The width of this strip is the width of the desired one Handle and the number of layers of material of this handle dependent and is typically on the order of about 8 cm.
  • the Roll from which this strip is pulled off has a relatively large initial diameter, for example, on the order of 1 m, which is too common Business interruptions due to role changes can be avoided. Because of the unfavorable ratio between roll width and roll diameter the roles are relatively unstable and therefore difficult to handle.
  • US-A-4 216 705 is a method according to the preamble of claim 1 known, in which several reinforcement strips for the handle holes of carrier bags made from a common endless strip of raw material be, which then with a slitter into several strips is divided. The partial strips are cut to length and opened at the same time the bag material stuck on.
  • the object of the invention is to provide a method of the type mentioned above, the simple and safe handling of the starting material for the handles allowed.
  • the starting material for the several handles that belong to a bag is first fed in the form of a single strip of material, which is then continuously divided into several parallel strips for the individual handles becomes.
  • the width is the role of which in the method according to the invention the material strip is subtracted, at least twice as large as in a prior art that uses one roll per strip, so that achieved a much higher stability of the roll with the same roll diameter and thus a much easier handling is made possible.
  • Figure 1 is only of a plant for the production of bags with handles a handle docking station 10 shown in the direction perpendicular to the plane of the drawing is passed through by the bags 12.
  • a handle docking station 10 shown in the direction perpendicular to the plane of the drawing is passed through by the bags 12.
  • the handles on the rest already finished bags 12 are attached.
  • the handle application station 10 has an upper handle application device 14 and one Lower handle attachment device 16 designed as a mirror image of this.
  • the grip application devices are shown here only as a block, because their construction as such is known.
  • the two handle application devices 14 and 16 is a common unwinding unit 18 in which a raw material strip 20 (e.g. paper) from one Roll 22 is withdrawn.
  • the starting material strip 20 has shown in FIG Example a width of about 16 cm.
  • the roller 22 has an initial diameter of for example 1 m and is rotatably attached to a spindle 24, the can be braked and optionally also driven in a drive housing 26 (FIG. 2) is stored.
  • a dancer system with deflection rollers 28 and a dancer roller 30 acts via a controller 32 on the brake of the spindle 24, so that the tension of the starting material strip 20 is regulated to 100 N, for example.
  • a longitudinal cutting device downstream of the dancer arrangement with a Knife roll 34 and a counter knife roll 36 divide the raw material strip 20 along its center line into two parallel partial strips 38, 40, which are deflected upwards or downwards on deflection rollers 42.
  • the upper partial strip 38 runs through a further deflection roller 44 to one two pinch rollers formed web train 46, the drive directly with the upper Handle application device 14 is coupled so that the partial strip 38 as required can be supplied.
  • the partial strip 38 then continues to form U-shaped handles 48 processed, which are glued to the top of each bag 12, as in Figure 2 can be seen.
  • the lower partial strip 40 is in the lower one Handle application device 16 processed to carry handles, which on the (in Figure 2 undetectable) bottom wall of each bag 12 can be attached.
  • the two handle application devices 14 and 16 work synchronously.
  • a web train 50 is provided for the lower partial strip 40 independent of the lower handle application device 16 by a motor 52 is driven.
  • the speed of the motor 52 is controlled by a controller 54 regulated, the tension of the lower by means of a measuring roller 56 Partial strip 40 scans.
  • the tensile stress of the partial strip 40 is on regulated in this way to a constant value (50 N in the example described), exactly half the tensile stress of the raw material strip 20 corresponds.
  • the difference between the tension of the raw material strip 20 and the tension of the sub-strip 40 is the tension of the other Partial strip 38.
  • the control system described thus ensures that the two partial strips 38 and 40 always have the same tension and thus there is no distortion of the raw material strip the slitter 34, 36 comes. Since both partial strips 38, 40 thus the lower strip will also have the same speed 40 fed to the lower handle application device 16 as needed, without slight design-related differences between the two handle application devices 14, 16 to an accumulation of tension differences to lead.
  • the embodiment described above can be modified in a variety of ways become.
  • the raw material strip 20 it is possible to use the raw material strip 20 to be divided into more than two partial strips if more than one on a bag two handles are to be attached or when each handle is off consists of several separate strips.
  • the train is for one Partial strips coupled with the associated handle application device, and the trains for the other sub-strips are regulated as for the above Partial strip 40 has been described.
  • the tension ratio is from the number of partial strips and, if the partial strips are of different widths have, also depending on the width ratio.

Landscapes

  • Making Paper Articles (AREA)

Claims (3)

  1. Procédé pour la fabrication de sacs (12) avec des poignées (48), dans lequel le matériau de base des poignées est amené sous la forme de matériau continu et au moins deux poignées sont posées sur chaque sac fini ou encore inachevé, et dans lequel le matériau de base des poignées multiples (48) appartenant à un sac (12) est d'abord amené sous la forme d'une bande de matériau unique (20) qui est ensuite divisée en continu en plusieurs bandes partielles parallèles (38, 40) pour les poignées individuelles, caractérisé en ce que la tension de la bande de matériau de base (20) est régulée, en ce que la vitesse d'insertion d'une bande partielle (38) est déterminée par la vitesse de travail d'un dispositif correspondant de pose de poignée (14), et en ce que la tension de la ou des autres bandes partielles (40) est calée sur une valeur qui possède un rapport prédéfini à la tension de la bande de matériau de base (20).
  2. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, comprenant une unité de déroulement (18), avec laquelle une bande de matériau de base (20) est déroulée d'une bobine (22), et un dispositif de refente longitudinale (34, 36) qui est implanté en aval de l'unité de déroulement (18) et qui divise la bande de matériau de base (20) en plusieurs bandes partielles parallèles (38, 40), caractérisé en ce qu'à l'unité de déroulement (18) sont associés au moins deux dispositifs de pose de poignées synchronisés (14, 16), à chacun desquels est amenée l'une des bandes partielles (38, 40), en ce que le dispositif de refente longitudinale (34, 36) est précédé par un dispositif (30, 32) pour réguler la tension de la bande de matériau de base (20), en ce que l'entraínement d'un moyen de traction de bande (46) pour amener une bande partielle (38) à l'un des dispositifs de pose de poignées (14) est accouplé directement au dispositif de pose de poignée, et en ce qu'un ou plusieurs moyens de traction de bandes (50) pour amener la bande partielle ou les autres bandes partielles (40) aux autres dispositifs de pose de poignées (16) sont entraínées chacun séparément par un moteur (52) dont la vitesse peut être régulée en fonction de la tension.
  3. Dispositif selon la revendication 2, caractérisé en ce que l'intervention de régulation pour réguler la tension de la bande de matériau de base (20) s'effectue par l'intermédiaire d'un frein ou d'un moyen d'entraínement agissant sur une broche (24) portant la bobine (22).
EP96115023A 1996-09-19 1996-09-19 Procédé et appareil pour la fabrication de sacs à poignées Expired - Lifetime EP0830937B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES96115023T ES2170188T3 (es) 1996-09-19 1996-09-19 Procedimiento y aparato para la fabricacion de bolsas con asas de transporte.
AT96115023T ATE211681T1 (de) 1996-09-19 1996-09-19 Verfahren und vorrichtung zur herstellung von beuteln mit tragegriffen
EP96115023A EP0830937B1 (fr) 1996-09-19 1996-09-19 Procédé et appareil pour la fabrication de sacs à poignées
DE59608564T DE59608564D1 (de) 1996-09-19 1996-09-19 Verfahren und Vorrichtung zur Herstellung von Beuteln mit Tragegriffen
JP19925597A JP3774545B2 (ja) 1996-09-19 1997-07-09 持ち運び用ハンドルを持つバッグを製造する方法と装置
US08/893,905 US5980441A (en) 1996-09-19 1997-07-11 Method and apparatus for producing bags with carrying handles by using a feedback tension control loop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96115023A EP0830937B1 (fr) 1996-09-19 1996-09-19 Procédé et appareil pour la fabrication de sacs à poignées

Publications (2)

Publication Number Publication Date
EP0830937A1 EP0830937A1 (fr) 1998-03-25
EP0830937B1 true EP0830937B1 (fr) 2002-01-09

Family

ID=8223197

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96115023A Expired - Lifetime EP0830937B1 (fr) 1996-09-19 1996-09-19 Procédé et appareil pour la fabrication de sacs à poignées

Country Status (6)

Country Link
US (1) US5980441A (fr)
EP (1) EP0830937B1 (fr)
JP (1) JP3774545B2 (fr)
AT (1) ATE211681T1 (fr)
DE (1) DE59608564D1 (fr)
ES (1) ES2170188T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10261256B4 (de) * 2002-12-20 2004-11-11 Windmöller & Hölscher Kg Bodenlegevorrichtung
JP2015003401A (ja) * 2013-06-19 2015-01-08 セイコーエプソン株式会社 搬送装置、印刷装置、及び搬送方法
CN104494205A (zh) * 2014-12-05 2015-04-08 浙江正威机械有限公司 高速式包装袋双层把手拉料旋转机构
FR3042436B1 (fr) * 2015-10-16 2017-11-17 Holweg Group Procede et machine pour fabriquer un sac comportant des poignees

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248895A (en) * 1939-05-29 1941-07-08 Klean Holder Corp Bag making machine and method
US3034409A (en) * 1958-05-14 1962-05-15 Finke Arno Method and apparatus for producing and applying bag handles
US3334550A (en) * 1964-07-23 1967-08-08 Crown Zellerbach Corp Apparatus for and method of making handles and applying same to a bag
DE1532830B1 (de) * 1965-09-23 1970-09-03 Holweg Const Mec Verfahren und Maschine zum fortlaufenden Herstellen von Tragtaschen
US3481256A (en) * 1967-08-29 1969-12-02 Georg Blumberg Method and apparatus for the production of handled shopping bags
FR2014910A1 (fr) * 1968-08-02 1970-04-24 Windmoeller & Hoelscher
DE1900337B2 (de) * 1969-01-04 1977-03-24 Sengewald, Karl-Heinz, Dr., 4802 Halle Verfahren zum herstellen von tragetaschen aus kunststoffolie
US3879246A (en) * 1972-09-11 1975-04-22 Robert J Walker Laminating apparatus and method
US3865018A (en) * 1972-11-20 1975-02-11 Mintz Charlotte Apparatus for making plastic bags with handles
US3967544A (en) * 1973-05-01 1976-07-06 National Petro Chemicals Corporation Grocery sack process and machine
FR2246170A1 (en) * 1973-10-01 1975-04-25 Holweg Const Mec Carrier bag with reinforced holding strips - applied in one operation by folding back edge and fitting reinforcing strip
DE2744233C2 (de) * 1977-09-30 1985-01-31 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Herstellen von Tragetaschen aus parallel nebeneinander laufenden Halbschlauchbahnen
IT1222798B (it) * 1987-10-01 1990-09-12 Minnesota Mining & Mfg Procedimento ed apparecchiatura per munire di una maniglia un fardello avvolto da una pellicola termoretraibile
US5194062A (en) * 1990-06-18 1993-03-16 Hercules Membrino Machine for pre-forming and rewinding film for side welded bags
IT1246501B (it) * 1990-12-05 1994-11-19 S U N S R L Apparecchiatura per il trasporto di maniglie in corda per sacchetti di carta ad una stazione per la formazione di questi ultimi con applicazione delle stesse all'ingresso di detta stazione prima che i sacchetti vengano realizzati.
DE4115161A1 (de) * 1991-05-08 1992-11-12 Windmoeller & Hoelscher Verfahren und vorrichtung zur herstellung von papiertragetaschen
US5409441A (en) * 1991-10-16 1995-04-25 Muscoplat; Richard D. Tractor feed box and multiple envelope method of manufacture and registration and fabricating apparatus
US5421805A (en) * 1993-10-01 1995-06-06 Bancroft Bag, Inc. Method and apparatus for producing handled bags
US5609556A (en) * 1994-05-27 1997-03-11 Fischer & Krecke Gmbh & Co. Method and apparatus for manufacturing bags with strap-shaped carrying handles
DE9414380U1 (de) * 1994-09-06 1996-01-11 Fischer & Krecke GmbH & Co, 33613 Bielefeld Vorrichtung zur Herstellung von Beuteln mit Henkelgriffen
US5816993A (en) * 1996-01-22 1998-10-06 Stone Container Corporation Apparatus and method for attaching carrying handles to bags

Also Published As

Publication number Publication date
EP0830937A1 (fr) 1998-03-25
JPH10100290A (ja) 1998-04-21
ES2170188T3 (es) 2002-08-01
DE59608564D1 (de) 2002-02-14
ATE211681T1 (de) 2002-01-15
JP3774545B2 (ja) 2006-05-17
US5980441A (en) 1999-11-09

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