EP0620087A1 - Vorrichtung und Verfahren zum Perforieren von Filmen - Google Patents

Vorrichtung und Verfahren zum Perforieren von Filmen Download PDF

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Publication number
EP0620087A1
EP0620087A1 EP94870028A EP94870028A EP0620087A1 EP 0620087 A1 EP0620087 A1 EP 0620087A1 EP 94870028 A EP94870028 A EP 94870028A EP 94870028 A EP94870028 A EP 94870028A EP 0620087 A1 EP0620087 A1 EP 0620087A1
Authority
EP
European Patent Office
Prior art keywords
sleeves
cylinder
holes
discs
small
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
EP94870028A
Other languages
English (en)
French (fr)
Other versions
EP0620087B1 (de
Inventor
Frans Marijn Faddar
Luc Faddar
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.)
Machine-Service Nv NV
Original Assignee
Machine-Service Nv NV
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 Machine-Service Nv NV filed Critical Machine-Service Nv NV
Publication of EP0620087A1 publication Critical patent/EP0620087A1/de
Application granted granted Critical
Publication of EP0620087B1 publication Critical patent/EP0620087B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1854—Means for removing cut-out material or waste by non mechanical means by air under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/384—Cutting-out; Stamping-out using rotating drums
    • 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
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0405—With preparatory or simultaneous ancillary treatment of work
    • Y10T83/041—By heating or cooling
    • Y10T83/0414—At localized area [e.g., line of separation]
    • 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
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • Y10T83/0453—By fluid application
    • 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
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y10T83/207—By suction means
    • 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
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4836—With radial overlap of the cutting members

Definitions

  • the present invention relates to a method for perforating films, more specifically films of synthetic material, such as all possible types of so-called stretch films, high density films, polyethylene films, polypropylene, etc.
  • the present invention relates to a method for practicing, in an effective and rational manner, perforations with relatively large dimensions in films, for example in the case of circular perforations of the order of 6 to 60 mm.
  • the present invention also relates to a device which implements the aforementioned method, as well as films which are obtained with such a method, respectively such a device.
  • a first known device for the application of small perforations of this type in film materials is constituted by a matrix through which the film runs, and by which the running of this film through the matrix takes place in a stepwise fashion. not, in other words by which, when applying a series of perforations, the film material must be constantly stopped.
  • This known device cannot be used effectively in any way for the application of relatively large-sized perforations in film materials, since it works very slowly by the very nature of the task. on the one hand, and that the evacuation of the small cut discs is difficult or even impossible, especially when the film material is very thin, since then these small discs often remain attached to the film material, that it is either by tait that it has not been completely pierced, or by the presence of the static electric charge in the material by which the small detached disks continue to adhere.
  • beads are used to make the perforations, which are forcefully propelled through a hollow pipe on which films to be perforated are placed.
  • This second known device has all the drawbacks associated with the first known device mentioned above.
  • a third known device to make small diameter perforations in a film material, needles are used which perforate the film material.
  • this third device has the additional drawback that the perforations are only formed by the needles which pass through the material, so that one does not obtain real openings.
  • the subject of the present invention is a film material provided with large perforations, which can be produced in a very simple and rapid manner and which is intended mainly to become a packaging material for flowers, plants, vegetables, fruit, food, in general for example food which must be frozen, in other words products from which an efficient packaging must be obtained which allows, at the same time, a very effective and important ventilation of the products.
  • a method and a device are proposed which make it possible to provide relatively large perforations with all possible packaging materials, up to and including an extremely thin film material which of course has a very high elasticity, as well as so-called shrink films, which was impossible with the methods and devices known so far.
  • the method according to the invention which has the advantages mentioned as well as others, consists mainly of the fact of practicing successive series of perforations by means of heated sleeves; to grab the small cut discs; and keep these little discs away from the film in this way, making sure they are cut.
  • An advantageous device which implements the method according to the invention, is characterized in that it is formed mainly by two cylinders rotating one against the other, one of which is provided with means for cutting by heating small discs outside the film, while the second cylinder is provided with means which can grasp the small cut discs.
  • FIG. 1 schematically represents a device for implementing the method according to the invention, by which the main elements of this device are formed by a feed roller 1 on which the film material 2 to be treated is placed, a braking cylinder 3 for tensioning the film material 2, rollers 4-5 cooperating mutually to make relatively large perforations in the film material 2, respectively, to move the small cut disks away from the film material 2, by which the film material 2 passes around the roller 5 and finally, a driving roller 6 for the film material 2, which has for task of keeping the latter taut in cooperation with the brake cylinder 3 while waiting for the perforated film material to be wound up on a feed roller 7.
  • the cylinder 4 is constituted, according to the invention, mainly by a thick-walled sleeve 8 in which are made several holes 9 which are arranged in accordance with a well-defined configuration, for example in this case, in parallel rows, the holes 9 being placed in a zigzag.
  • the sleeves 10 are made of copper and are fixed, for example by welding, to a strip 11, for example also made of copper, in which is installed an electrical resistance 12 which, suitably, for example by electrical conduits 13- 14, is connected to an electrical circuit.
  • each slat 11 On each slat 11 is applied a strip of insulating material 15 in which holes for the sleeves 10 have been hollowed out so that, when the slats 11 are fixed by means of suitable screws 16 with the tightening nut 17 against the inner wall of the tube 8, no thermal contact is formed between the slats 11 and the cylinder 4.
  • the cylinder 5 according to the invention is also formed by a thick-walled tube 18 in which holes 19 are made, the diameter of which is preferably equal to the diameter of the holes 9 made in the tube 8 and by which these holes 19 are made in the tube 18, in accordance with the same configuration as the configuration of the holes 9 in the tube 8.
  • a sleeve 20 is provided, the free end of which coincides with the periphery of the tube 18 and by which the sleeves of one and the same row are fixed to a common channel 21 which can be formed by a suitable tube, the passage 22 of which is in connection with the passages 23 made in the corresponding sockets 20.
  • This channel 21 gives, at one end of the cylinder 5, to a passage 24 formed in the flange 25 of the cylinder 5, in which the ends of the tubes 21 are also housed.
  • the other ends of the tubes 21 are housed identically in a flange 26, these flanges 25 and 26 being fixed with the tube 18 by means of screws or the like, not shown.
  • the aforementioned circular notches 30 and 31 extend at an angle of 90 ° and are placed diametrically relative to one another, the suction notch 30 being disposed above.
  • the film material 2 which, by the cooperation of the cylinders 3 and 6, is placed in a taut fashion through the device, passes between the cylinders 4 and 5 where the first comes into contact with a defined row of sleeves 10 which are reheated to a suitable temperature so that they can penetrate through the film material 2.
  • a corresponding row of sockets 20 is placed against the notch 30 by means of which the cylinder 5 is connected to a vacuum pump or the like, so that when the corresponding sockets 20 are placed against the film material, the small disks 32 released by means of the corresponding sleeves 10 are sucked against the sockets 20.
  • the sleeves 10 will pass through the film 2 in the manner of a heated knife; after which, these sleeves 10 are placed in the holes 19 made in the tube 18 of the cylinder 5 and, in this way, the film 2, more specifically the small disks 32 come into contact with the sockets 20.
  • the size of the perforations can be modified by choosing other cylinders 4, respectively 5, the sleeves 10 of which have the shape and dimensions of the desired perforation.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Air Bags (AREA)
  • Electrotherapy Devices (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
EP94870028A 1993-02-17 1994-02-15 Vorrichtung und Verfahren zum Perforieren von Filmen Expired - Lifetime EP0620087B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9300148 1993-02-17
BE9300148A BE1006751A3 (nl) 1993-02-17 1993-02-17 Werkwijze voor het perforeren van folie en inrichting die deze werkwijze toepast.

Publications (2)

Publication Number Publication Date
EP0620087A1 true EP0620087A1 (de) 1994-10-19
EP0620087B1 EP0620087B1 (de) 1999-01-07

Family

ID=3886849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94870028A Expired - Lifetime EP0620087B1 (de) 1993-02-17 1994-02-15 Vorrichtung und Verfahren zum Perforieren von Filmen

Country Status (5)

Country Link
US (1) US5449482A (de)
EP (1) EP0620087B1 (de)
AT (1) ATE175376T1 (de)
BE (1) BE1006751A3 (de)
DE (1) DE69415711D1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008048829A3 (en) * 2006-10-17 2008-06-12 Fiberweb Simpsonville Inc Apertured nonwoven fabric and process and apparatus for producing same
EP2359993A1 (de) * 2010-02-24 2011-08-24 Haff & Schneider GmbH & Co. OHG Vorrichtung zur Stanzbereitung von flächigen Substraten
ES2392087A1 (es) * 2010-04-21 2012-12-04 Francisco RUIZ BERNAL Máquina de troquelado en frío para film de plástico
CN103737648A (zh) * 2014-01-08 2014-04-23 浙江诺比德机械科技有限公司 一种橡筋切断装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0004345D0 (en) * 2000-02-25 2000-04-12 Sullivan John A Rotary die-cutting machine
WO2002022296A2 (en) 2000-09-11 2002-03-21 Allison Advanced Development Company Mechanically grooved sheet and method of manufacture
EP1361028A1 (de) * 2002-05-06 2003-11-12 Kba-Giori S.A. Vorrichtung zum Schneiden von Öffnungen in ein Trägermaterial
US20050070415A1 (en) * 2003-09-30 2005-03-31 Haasl Andrew L. Assembly for and method of preventing buildup of debris in a folding roll tucker assembly
US7066066B2 (en) * 2004-03-15 2006-06-27 Teck Cominco Metals Ltd. Continuous rotary hole punching method and apparatus
SE527886C2 (sv) * 2004-07-02 2006-07-04 Sandvik Intellectual Property En rotationskniv, en stödvals och en rotationsknivsanordning
DE102007015624A1 (de) * 2007-03-29 2008-10-02 Natec Gmbh Querschneideinrichtung
US20110091620A1 (en) * 2009-10-20 2011-04-21 Han Jung Hoon Apparatus and Method for Perforation of Fruits and Vegetables
US11123893B2 (en) * 2018-07-18 2021-09-21 Roto-Die Company, Inc. Vacuum assist cutting and anvil cylinders
CN109849101A (zh) * 2018-12-28 2019-06-07 东莞市威骏不织布有限公司 农用地布开孔制作方法及设备
CN112828994A (zh) * 2020-12-30 2021-05-25 云南白药集团无锡药业有限公司 一种云南白药膏在线打孔系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378623A1 (fr) * 1977-01-31 1978-08-25 Hadjian Levon Perfectionnements a la perforation des feuilles thermoplastiques
FR2392916A1 (fr) * 1977-05-31 1978-12-29 Chambre Imprimerie Claude Dispositif pour effectuer des decoupages dans une bande de materiau defilant en continu
US4656900A (en) * 1985-11-15 1987-04-14 Mobil Oil Corporation Rotary tube punching arrangement and method for punching holes into a moving web material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3031905A (en) * 1957-06-20 1962-05-01 Daniel B Phillips Cutting device with retainer for cut products in the tool thereof and suction means for stripping said product from retainer
US3654829A (en) * 1969-07-29 1972-04-11 Scandia Packaging Mach Apparatus for punching holes in heat shrinkable web material
US3707102A (en) * 1970-07-21 1972-12-26 American Can Co Film perforating apparatus
CH605078A5 (de) * 1974-12-31 1978-09-29 Siegfried Harcuba
SE442964B (sv) * 1982-12-01 1986-02-10 Tetra Pak Int Sett att avlegsna spillmaterial vid stansaggregat med samverkande valsar
DE3417536A1 (de) * 1984-05-11 1985-11-14 Winkler & Dünnebier, Maschinenfabrik und Eisengießerei GmbH & Co KG, 5450 Neuwied Verfahren und vorrichtung zum ausschneiden von fenstern in briefumschlaegen
US5140880A (en) * 1991-05-08 1992-08-25 Littleton Industrial Consultants, Inc. Push-pull apparatus and method for web cutting and trim strip removal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378623A1 (fr) * 1977-01-31 1978-08-25 Hadjian Levon Perfectionnements a la perforation des feuilles thermoplastiques
FR2392916A1 (fr) * 1977-05-31 1978-12-29 Chambre Imprimerie Claude Dispositif pour effectuer des decoupages dans une bande de materiau defilant en continu
US4656900A (en) * 1985-11-15 1987-04-14 Mobil Oil Corporation Rotary tube punching arrangement and method for punching holes into a moving web material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008048829A3 (en) * 2006-10-17 2008-06-12 Fiberweb Simpsonville Inc Apertured nonwoven fabric and process and apparatus for producing same
EP2359993A1 (de) * 2010-02-24 2011-08-24 Haff & Schneider GmbH & Co. OHG Vorrichtung zur Stanzbereitung von flächigen Substraten
ES2392087A1 (es) * 2010-04-21 2012-12-04 Francisco RUIZ BERNAL Máquina de troquelado en frío para film de plástico
CN103737648A (zh) * 2014-01-08 2014-04-23 浙江诺比德机械科技有限公司 一种橡筋切断装置

Also Published As

Publication number Publication date
EP0620087B1 (de) 1999-01-07
ATE175376T1 (de) 1999-01-15
US5449482A (en) 1995-09-12
BE1006751A3 (nl) 1994-11-29
DE69415711D1 (de) 1999-02-18

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