EP0830937B1 - Verfahren und Vorrichtung zur Herstellung von Beuteln mit Tragegriffen - Google Patents
Verfahren und Vorrichtung zur Herstellung von Beuteln mit Tragegriffen Download PDFInfo
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 description 8
- 239000007858 starting material Substances 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/86—Forming integral handles or mounting separate handles
- B31B70/864—Mounting separate handles on bags, sheets or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/02—Feeding or positioning sheets, blanks or webs
- B31B70/10—Feeding or positioning webs
-
- 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 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)
Description
- Fig. 1
- eine schematische Seitenansicht einer Vorrichtung zum Zuführen des Ausgangsmaterials für die Tragegriffe; und
- Fig. 2
- die Vorrichtung nach Figur 1 in der Draufsicht.
Claims (3)
- Verfahren zur Herstellung von Beuteln (12) mit Tragegriffen (48), bei dem das Ausgangsmaterial für die Tragegriffe als Endlosmaterial zugeführt wird und mindestens zwei Tragegriffe an jedem fertigen oder noch unfertigen Beutel angebracht werden und bei dem daß das Ausgangsmaterial für die mehreren zu einem Beutel (12) gehörenden Tragegriffe (48) zunächst in der Form eines einzigen Materialstreifens (20) zugeführt wird, der dann kontinuierlich in mehrere parallele Teilstreifen (38, 40) für die einzelnen Tragegriffe aufgeteilt wird, dadurch gekennzeichnet, daß die Zugspannung des Ausgangsmaterialstreifens (20) geregelt wird, daß die Einzugsgeschwindigkeit für einen Teilstreifen (38) durch die Arbeitsgeschwindigkeit einer zugehörigen Griffanlegevorrichtung (14) bestimmt wird und daß die Zugspannung des oder der anderen Teilstreifen (40) auf einen Wert geregelt wird, der in einem vorgegebenen Verhältnis zur Zugspannung des Ausgangsmaterialstreifens (20) steht.
- Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, mit einer Abrolleinheit (18), mit der ein Ausgangsmaterialstreifen (20) von einer Rolle (22) abgezogen wird, und einer der Abrolleinheit (18) nachgeschalteten Längsschneideinrichtung (34, 36), die den Ausgangsmaterialstreifen (20) in mehrere parallele Teilstreifen (38, 40) aufteilt, dadurch gekennzeichnet, daß der Abrolleinheit (18) wenigstens zwei synchron arbeitende Griffanlegevorrichtungen (14, 16) zugeordnet sind, denen jeweils einer der Teilstreifen (38, 40) zugeführt wird, daß der Längsschneideinrichtung (34, 36) eine Einrichtung (30, 32) zur Regelung der Zugspannung des Ausgangsmaterialstreifens (20) vorgeschaltet ist, daß der Antrieb eines Bahnzugs (46) zum Zuführen eines Teilstreifens (38) zu einer der Griffanlegevorrichtungen (14) direkt mit dieser Griffanlegevorrichtung gekoppelt ist und daß ein oder mehrere Bahnzüge (50) zum Zuführen des oder der übrigen Teilstreifen (40) zu den übrigen Griffanlegevorrichtungen (16) jeweils gesondert durch einen Motor (52) antreibbar sind, dessen Geschwindigkeit zugspannungsabhängig regelbar ist.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Regeleingriff zur Regelung der Zugspannung des Ausgangsmaterialstreifens (20) über eine Bremse oder einen Antrieb für eine die Rolle (22) tragende Spindel (24) erfolgt.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96115023A EP0830937B1 (de) | 1996-09-19 | 1996-09-19 | Verfahren und Vorrichtung zur Herstellung von Beuteln mit Tragegriffen |
| AT96115023T ATE211681T1 (de) | 1996-09-19 | 1996-09-19 | Verfahren und vorrichtung zur herstellung von beuteln mit tragegriffen |
| DE59608564T DE59608564D1 (de) | 1996-09-19 | 1996-09-19 | Verfahren und Vorrichtung zur Herstellung von Beuteln mit Tragegriffen |
| ES96115023T ES2170188T3 (es) | 1996-09-19 | 1996-09-19 | Procedimiento y aparato para la fabricacion de bolsas con asas de transporte. |
| 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 (de) | 1996-09-19 | 1996-09-19 | Verfahren und Vorrichtung zur Herstellung von Beuteln mit Tragegriffen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0830937A1 EP0830937A1 (de) | 1998-03-25 |
| EP0830937B1 true EP0830937B1 (de) | 2002-01-09 |
Family
ID=8223197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96115023A Expired - Lifetime EP0830937B1 (de) | 1996-09-19 | 1996-09-19 | Verfahren und Vorrichtung zur Herstellung von Beuteln mit Tragegriffen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5980441A (de) |
| EP (1) | EP0830937B1 (de) |
| JP (1) | JP3774545B2 (de) |
| AT (1) | ATE211681T1 (de) |
| DE (1) | DE59608564D1 (de) |
| ES (1) | ES2170188T3 (de) |
Families Citing this family (4)
| 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)
| 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 (de) * | 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 |
-
1996
- 1996-09-19 ES ES96115023T patent/ES2170188T3/es not_active Expired - Lifetime
- 1996-09-19 DE DE59608564T patent/DE59608564D1/de not_active Expired - Lifetime
- 1996-09-19 EP EP96115023A patent/EP0830937B1/de not_active Expired - Lifetime
- 1996-09-19 AT AT96115023T patent/ATE211681T1/de not_active IP Right Cessation
-
1997
- 1997-07-09 JP JP19925597A patent/JP3774545B2/ja not_active Expired - Fee Related
- 1997-07-11 US US08/893,905 patent/US5980441A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59608564D1 (de) | 2002-02-14 |
| US5980441A (en) | 1999-11-09 |
| ES2170188T3 (es) | 2002-08-01 |
| EP0830937A1 (de) | 1998-03-25 |
| JPH10100290A (ja) | 1998-04-21 |
| ATE211681T1 (de) | 2002-01-15 |
| JP3774545B2 (ja) | 2006-05-17 |
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