EP0397039B1 - Dispositif pour séparer une bandelette d'arrachement d'une bande et pour son application sur une bande de matériau d'emballage - Google Patents

Dispositif pour séparer une bandelette d'arrachement d'une bande et pour son application sur une bande de matériau d'emballage Download PDF

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Publication number
EP0397039B1
EP0397039B1 EP90108405A EP90108405A EP0397039B1 EP 0397039 B1 EP0397039 B1 EP 0397039B1 EP 90108405 A EP90108405 A EP 90108405A EP 90108405 A EP90108405 A EP 90108405A EP 0397039 B1 EP0397039 B1 EP 0397039B1
Authority
EP
European Patent Office
Prior art keywords
suction
packaging material
tear
strip
knife
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
EP90108405A
Other languages
German (de)
English (en)
Other versions
EP0397039A1 (fr
Inventor
Hans-Peter Eicker
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.)
Maschinenfabrik Alfred Schmermund GmbH and Co
Original Assignee
Maschinenfabrik Alfred Schmermund GmbH and 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 Maschinenfabrik Alfred Schmermund GmbH and Co filed Critical Maschinenfabrik Alfred Schmermund GmbH and Co
Publication of EP0397039A1 publication Critical patent/EP0397039A1/fr
Application granted granted Critical
Publication of EP0397039B1 publication Critical patent/EP0397039B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8125—Applying strips or strings, e.g. tear strips or strings
    • B31B50/8126—Applying strips or strings, e.g. tear strips or strings parallel to the direction of movement of the webs or the blanks
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8125—Applying strips or strings, e.g. tear strips or strings
    • B31B50/8129—Applying strips or strings, e.g. tear strips or strings the webs or blanks moving during application of the strips or strings
    • 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
    • Y10S493/93—Pliable container having tear strip
    • 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
    • Y10S493/963—Opener, e.g. tear strip
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1317—Means feeding plural workpieces to be joined
    • Y10T156/1322—Severing before bonding or assembling of parts
    • Y10T156/133—Delivering cut part to indefinite or running length web

Definitions

  • the invention relates to a device for separating tear strips from a tape with a width equal to the length of the tear strip and for application to a conveyed packaging material web, with a movable and a fixed straight knife for progressively separating the tear strip, a device which can be subjected to suction air for transferring the detached tear strip with its longitudinal direction in the direction of transport of the packaging material web to a suction roll partially wrapped by the continuously conveyed packaging material and rotating at the speed of the packaging material, and a welding device for welding the tear strip to the packaging material web.
  • the tear strip cannot be taken over safely, rather there is a risk that the detached tear strip remains in the guide shoe and then the The entire device is blocked because the next tear strips that are cut off cannot be held by the guide shoe, since the suction air openings are covered by the remaining tear strips.
  • DE-A-1 586 120 in which the tear strips are applied transversely to the conveying direction of the packaging material. The latter is done with a multi-knife roller and suction air support. The tear strips are self-adhesive and can therefore simply be pressed onto the packaging material web without having to be transported and held separately.
  • the object of the invention is to provide a device of the type mentioned at the outset which, as the cut progresses, enables the separated tear strips to be transported safely to the packaging material web on which they are to be applied, even at a very high cycle speed.
  • the device for transferring comprises a suction wheel which conveys the tear strip progressively taken from one end to the suction roll, the suction wheel practically standing still in the takeover point of the tear strip and up to the transfer point the suction roll can be accelerated essentially to its speed.
  • the tear strip is periodically pulled forward and separated from a bobbin, the axis of which is arranged parallel to the packaging material web.
  • suction holes which are located in particular in the knife holder of the movable knife
  • the tear strip is transferred to a suction wheel that rotates intermittently and stops briefly during the takeover.
  • the suction wheel transfers the tear strip to a suction roller, which rotates continuously and has packaging material speed.
  • the ribbon is clamped between the suction roller and the packaging material and welded to the packaging material as it passes through a heating device.
  • FIG. 1 shows a schematic view of a device for severing tear strips and applying them to a web of packaging material.
  • FIG. 2 shows a view in the direction of arrow A of FIG. 1 in more detail.
  • the device shown comprises a knife assembly 1 with a fixed knife 2, which has a straight cutting edge 3 and a support and guide surface 4 for a band 5, which is intermittent by a (not shown) bobbin with a feed stroke corresponding to the width of one of the Band 5 is fed transversely to its direction of tear strip 6 to be separated.
  • the knife arrangement comprises an up and down movable knife 7, which is carried by a knife holder 8, which in turn is moved up and down by a (only schematically indicated) drive 9.
  • the movable knife 7 is arranged obliquely to the fixed knife 2 with an inclination of, for example, 1 °, so that its straight cutting edge 10 progressively moves along the cutting edge 3 of the fixed knife 1 during the downward stroke of the knife 7 and thereby progressively separates the tear strip 6 from the band 5 .
  • a stationary guide shoe 11 With a guide groove 12 which runs parallel to the cutting edge 10 of the movable knife 7.
  • suction air openings 13 open at the bottom, which are connected to a suction air source 15 via a common suction air duct 14.
  • suction air openings 16 open at the bottom of the Knife holder 8 also suction air openings 16 which are connected to the suction air source 15 via a common suction air duct 17.
  • the tear strip 6 When the tear strip 6 is separated from the belt 5, the tear strip 6 is held in accordance with the progress of the separation by the suction air of the suction air openings 16 of the knife holder 8 and is conveyed into the guide groove 12 of the guide shoe 11 by its downward stroke. At the end of the downward stroke of the knife holder 8, the suction air supply to its suction air openings 16 is interrupted and the suction air openings 13 now acted on with suction air in the guide groove 12 lead to the detached tear strip 6 being held in the guide groove 12.
  • the guide shoe 11 does not extend over the entire width of the band 5, so that one end of the tear strip 6 adopted therefrom protrudes from the latter at its upper end and essentially tangentially into the peripheral region of a suction wheel 18 which is provided with suction air openings 19 on its circumference which can be connected to the suction air source 15 via bores 20 with the interposition of a suction air control 21.
  • the suction air control 21 can comprise a ring arranged in contact with the suction wheel 18 with an annular groove 22 which is connected to a suction air line 23, the groove 22 extending over the area on which suction air is to be effective. There, the bores 20 are connected to the groove 22, which is open on the side facing the bores 20.
  • the suction wheel 18 has a (schematically indicated) cam drive 24 in such a way that the suction wheel 18 practically comes to a standstill when the tear strip 6 is taken over, when it is held by the guide shoe 11, through which the suction air openings 19 which are effective become the suction air openings 19 Guide shoe 11 takes over the protruding end of the tear strip 6 and removes it with appropriate acceleration.
  • a suction roller 25 is provided, which is continuously driven by a drive 26 (only indicated schematically).
  • a packaging material web 28 (usually transparent film) is guided around the suction roller 25 by means of two guide rollers 27.
  • the suction roll 25, the width of which essentially corresponds to the width of the packaging material web 28, takes over the tear strip 6 at its front end at a transfer point X from the suction wheel 18, the width of which corresponds to the width of the tear strip 6 at the circumference.
  • the suction wheel 18 is accelerated to the speed of the suction roller 25, so that there is practically no relative speed between suction wheel 18 and suction roller 25 at the transfer point X.
  • the suction air supply to the suction air openings 19 of the suction wheel 18 is interrupted, whereas the suction air supply to corresponding suction air openings 29 of the suction roller 25 is taken up.
  • the suction roller 25 transports the tear strip 6 along its surface between the latter and the packaging material web 28 partially wrapping around the suction roller 25 28
  • the suction air openings 29 of the suction roller 25 can, like the suction air openings 19 of the suction wheel 18, be acted upon by suction air from the suction air source 15, so that this is not shown in detail.
  • a guide shoe 31 is expediently provided for the tear strip 6 in front of the transfer point X, which surrounds the suction wheel 18 and ensures that the tear strip 6 cannot run.
  • the transfer point X is expediently less than 180 ° from the takeover point for the tear strip 6 from the guide shoe 11, so that the suction wheel 18 can be brought practically to a standstill on the path remaining between the transfer point X and 180 °, so that it then is again ready to take over a new tear strip 6 practically without relative movement.
  • the suction air openings 16 can also be located on the movable knife 7, but it is more expedient to use a thin and thus relatively light knife 7 made of steel and the suction air openings 16 in a e.g. aluminum knife carrier 8 to be arranged, in which much easier holes are to be made. This also reduces the masses to be moved.

Landscapes

  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (7)

  1. Dispositif destiné à découper des pattes de déchirage (6) à partir d'une bande (5) dont la largeur est égale à la longueur des pattes de déchirage (6), ainsi qu'à appliquer ces pattes sur une bande de matériau d'emballage (28) déplacée par un moyen de convoyage comprenant une lamie mobile et une lame droite fixe (2,7) permettant de découper la patte de déchirage (6) de manière continue, un dispositif aspirant permettant de transférer la patte de déchirage découpée (6) vers un cylindre aspirant (25) partiellement entouré du matériau d'emballage (5) et tournant à la vitesse de la bande de matériau d'emballage (28), ainsi qu'un dispositif de soudage (30) permettant de souder la patte de déchirage (6) sur la bande de matériau d'emballage (28), le sens longitudinal de la patte de déchirage correspondant au sens de transport de la bande de matériau d'emballage (28), caractérisé en ce qu'il comprend une roue aspirante (18) transportant la patte de déchirage (6) vers le cylindre aspirant (25) de manière progressive, la roue aspirante (18) étant pratiquement à l'arrêt au point de saisie de la patte de déchirage (6) et sensiblement accélérée jusqu'au point de transfert (X) vers le cylindre aspirant (25) pour atteindre la vitesse de rotation de ce dernier.
  2. Dispositif selon la revendication 1, caractérisé en ce que les points de saisie et de transfert (X) se situent à moins de 180° l'un de l'autre.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'un sabot de guidage (11) immobile et aspirant permet de positionner la patte de déchirage (6) au niveau du point de saisie sensiblement tangentiellement par rapport à la circonférence de la roue aspirante (18).
  4. Dispositif selon la revendication 3, caractérisé en ce que le sabot de guidage (11) est disposé parallèlement à l'inclinaison de la lame mobile (7) par rapport à la lame fixe (2).
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la lame mobile (7) est maintenue par un porte-lame (8) aspirant.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif de soudage est un sabot chauffant (3) ayant la forme d'un segment circulaire disposé en regard de la zone du cylindre aspirant (25) en contact avec la bande de matériau d'emballage (28).
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'en regard de la roue aspirante (18) est disposé un sabot de guidage (31) en amont du point de transfert (X).
EP90108405A 1989-05-10 1990-05-04 Dispositif pour séparer une bandelette d'arrachement d'une bande et pour son application sur une bande de matériau d'emballage Expired - Lifetime EP0397039B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3915285A DE3915285A1 (de) 1989-05-10 1989-05-10 Vorrichtung zum abtrennen von aufreissstreifen und aufbringen auf eine verpackungsmaterialbahn
DE3915285 1989-05-10

Publications (2)

Publication Number Publication Date
EP0397039A1 EP0397039A1 (fr) 1990-11-14
EP0397039B1 true EP0397039B1 (fr) 1993-07-14

Family

ID=6380407

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90108405A Expired - Lifetime EP0397039B1 (fr) 1989-05-10 1990-05-04 Dispositif pour séparer une bandelette d'arrachement d'une bande et pour son application sur une bande de matériau d'emballage

Country Status (5)

Country Link
US (1) US5041073A (fr)
EP (1) EP0397039B1 (fr)
CN (1) CN1031048C (fr)
DE (1) DE3915285A1 (fr)
SU (1) SU1760979A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10215648A1 (de) * 2002-04-09 2003-11-06 Schmermund Verpackungstechnik Verfahren und Vorrichtung zum Aufbringen eines Aufreißfadens auf eine Verpackungsmaterialbahn

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Publication number Priority date Publication date Assignee Title
ES2059239B1 (es) * 1992-07-06 1997-09-01 Torres Martinez M Maquina de aplicacion de cintas de apertura.
EP0681978A3 (fr) * 1994-05-12 1996-08-07 Gd Spa Procédé et dispositif pour produire des languettes de déchirement.
DE19502255C2 (de) * 1995-01-25 1996-11-28 Windmoeller & Hoelscher Vorrichtung zum Aufbringen von Zetteln aus Kunststoffolie auf flachliegende Werkstücke
US6165306A (en) * 1998-06-01 2000-12-26 Kimberly-Clark Worldwide, Inc. Process and apparatus for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6074333A (en) * 1998-12-24 2000-06-13 Kimberly-Clark Worldwide, Inc. Machine for cutting discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6059710A (en) * 1998-12-24 2000-05-09 Kimberly-Clark Worldwide, Inc. Process for cutting of discrete components of a multi-component workpiece and depositing them with registration on a moving web of material
US6339912B1 (en) 2000-01-28 2002-01-22 Schreiber Foods, Inc. Easy open package for food items such as loaves of processed cheese
US6524423B1 (en) * 2000-03-07 2003-02-25 Kimberly-Clark Worldwide, Inc. Method of transferring a discrete portion of a first web onto a second web
US6550517B1 (en) 2000-03-07 2003-04-22 Kimberly-Clark Worldwide, Inc. Apparatus for transferring a discrete portion of a first web onto a second web
US6722413B1 (en) * 2000-10-26 2004-04-20 Sig Pack Doboy Inc. Cutting and laminating apparatus for producing reinforced web
US20050202191A1 (en) * 2004-03-10 2005-09-15 Nowak Michael R. Ream wrap packaging with tear tapes
US7849904B2 (en) * 2004-03-10 2010-12-14 Coating Excellence International, Inc. Tear tape applicator for ream wrap and other packaging materials
CN1326749C (zh) * 2004-11-08 2007-07-18 云南昆船设计研究院 箱包包装带自动拆除和回收方法及装置
DE602005010896D1 (de) * 2005-12-29 2008-12-18 Tetra Laval Holdings & Finance Vorrichtung zum Zuführen von zu klebenden Öffnungsvorrichtungen für Packungen mit fliessfähigen Nahrungsmitteln
CN105459446B (zh) * 2015-12-23 2018-04-24 汕头市远东轻化装备有限公司 一种热封装置
CN106976615B (zh) * 2017-04-27 2018-11-16 重庆新派新智能科技有限公司 键盘外壳贴合铭牌的装置
CN110525745B (zh) * 2019-03-08 2023-09-12 南京智晟达自动化科技有限公司 一种斜向包装易拆拉线的成型装置

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DE1249067B (de) * 1967-08-31 Gevelsberg Alfred Schmermund (Westf ) Vorrichtung zum Aufbringen von Reißbandchen auf einen Verpackungsstreifen
US2723604A (en) * 1951-10-26 1955-11-15 E G Staude Mfg Company Inc Window applying machine
US2766665A (en) * 1953-03-26 1956-10-16 Quaker Oats Co Apparatus for applying tear strings to wrappers
US3159521A (en) * 1960-12-12 1964-12-01 Strunck & Co H Apparatus to sever, print and apply labels to containers
FR1305687A (fr) * 1961-05-31 1962-10-05 Gd Sas E Seragnoli A Seragnoli Machine pour appliquer de petits rubans, à déchirer, sur une bande ou feuille d'empaquetage
NL278701A (fr) * 1961-05-31
GB1057023A (en) * 1963-11-13 1967-02-01 Molins Organisation Ltd Improvements in mechanism for producing and applying tear-strips
US3395064A (en) * 1964-10-12 1968-07-30 Schmermund Alfred Devices for attaching tear strips to wrapping material
GB1195224A (en) * 1966-07-26 1970-06-17 Hauni Werke Koerber & Co Kg Apparatus for Attaching Tear Strips to a Web of Wrapping Material.
DE1586120A1 (de) * 1967-12-06 1970-08-06 Hauni Werke Koerber & Co Kg Verfahren und Vorrichtung zum Herstellen von mit Aufreissstreifen versehenen Einschlagzuschnitten
US3957570A (en) * 1971-10-13 1976-05-18 F. L. Smithe Machine Company, Inc. Machinery for patching envelopes and the like
US4083737A (en) * 1976-04-19 1978-04-11 Eastman Kodak Company Method and apparatus for attaching a strip of material transversely of a moving web
DE3423295A1 (de) * 1984-06-23 1986-01-02 Maschinenfabrik Alfred Schmermund Gmbh & Co, 5820 Gevelsberg Vorrichtung zum abschneiden eines aufreissstreifens
DE3618736A1 (de) * 1986-06-04 1987-12-10 Schmermund Maschf Alfred Verfahren und vorrichtung zum einhuellen von zigarettenpaeckchen in klarsichtfolie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10215648A1 (de) * 2002-04-09 2003-11-06 Schmermund Verpackungstechnik Verfahren und Vorrichtung zum Aufbringen eines Aufreißfadens auf eine Verpackungsmaterialbahn

Also Published As

Publication number Publication date
CN1031048C (zh) 1996-02-21
US5041073A (en) 1991-08-20
DE3915285A1 (de) 1990-11-15
SU1760979A3 (ru) 1992-09-07
CN1047249A (zh) 1990-11-28
EP0397039A1 (fr) 1990-11-14

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