EP0620087B1 - Vorrichtung und Verfahren zum Perforieren von Filmen - Google Patents

Vorrichtung und Verfahren zum Perforieren von Filmen Download PDF

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Publication number
EP0620087B1
EP0620087B1 EP94870028A EP94870028A EP0620087B1 EP 0620087 B1 EP0620087 B1 EP 0620087B1 EP 94870028 A EP94870028 A EP 94870028A EP 94870028 A EP94870028 A EP 94870028A EP 0620087 B1 EP0620087 B1 EP 0620087B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
sleeves
tube
film
holes
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
EP94870028A
Other languages
English (en)
French (fr)
Other versions
EP0620087A1 (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 perforation of a film, according to which successive series of perforations are made by means for cut, parts of the film thus perforated are seized and remote by means that can grab and, if necessary, removed from the latter means by blowing.
  • the present invention relates more particularly to such a process for perforating films, more specifically plastic films, such as all types possible from so-called stretch films, high density films, polyethylene films, polypropylene, etc.
  • the present invention relates a method for practicing, effectively and rational, relatively dimensional perforations big in movies for example in the case of circular perforations of the order of 6 to 60 mm.
  • strips are cut by cutting assemblies mounted on a drum and comprising two knives parallel to each other which are spaced one of each other by a distance corresponding to the width of this strip and which protrude outside the wall of the drum.
  • the film is guided between this drum and a second driven in the opposite direction and serving as a support when cutting and used to distance the cut strips.
  • These bands are indeed sucked against this drum by channels crossing this second drum and connected successively a vacuum pump and a source of pressurized air.
  • the present invention relates to a method which allows to obtain a film material provided with large perforations, which can be done very simply and fast and which is primarily intended to become a packaging material for flowers, plants, vegetables, fruit, food, in general for example foods that need to be frozen, in other words products for which packaging must be obtained efficient which allows, at the same time, a very aeration effective and important products.
  • a method is proposed which allows to provide relatively large perforations all possible packaging materials, up to and including an extremely thin film material which has good heard a very high elasticity, as well as what we calls shrink films, which is impossible with known methods.
  • a method for perforating a thermoplastic film by heated elements is known from FR-A-2,378,623, but in this case holes are made by local fusion of the matter. This material is not cut but melted, and driven back radially, which has the desired result that the hole is surrounded by a thickened edge.
  • the film is transported between two cylinders which one turns against the other, one of which is provided with heated sleeves which protrude outside the cylinder wall, while the second cylinder is provided with holes in which come lodge the sleeves during the rotation of the cylinders and in which the sockets are placed, each socket being connected to a tube, the passage in this socket is finding in connection with a channel made in this tube, this tube extending to a terminal flange of the cylinder, the canal located in connection with a passage practiced in this cylinder end flange.
  • the invention also relates to an advantageous device, to implement the above method according to the invention.
  • the invention thus relates to a device for the perforation of films, which is mainly formed by two cylinders turning against each other, one of which is provided means for cutting parts out of the film, while that the second cylinder is provided with means which can grasp the cut parts, characterized in that the means for cutting parts are sleeves heated through the outer wall of the first cylinder and cutting out small discs, while the second cylinder has holes in which can come accommodate the sleeves during the rotation of the cylinders, means for grasping the cut parts and therefore the small cut discs including sockets which are placed in these holes and which can be successively put in connection with a vacuum pump, respectively air under pressure, each socket being connected to a tube and presenting a passage which is linked to a channel formed in this tube, this tube extending to a cylinder end flange, the channel being in connection with a passage made in this terminal flange of the cylinder.
  • FIG. 1 a device is schematically represented 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 is arranged the film material 2 to be treated, a cylinder of braking 3 for tensioning the film material 2, rollers 4-5 cooperating mutually to practice in the subject of film 2 relatively large perforations, respectively, to move away from the film material 2 the small cut discs, whereby the film material 2 scrolls around roller 5 and finally a roller drive 6 for the film material 2, which has task of keeping the latter tense in cooperation with the brake cylinder 3 until the material of perforated film is wound on a roll supply 7.
  • the cylinder 4 is constituted, in accordance with the invention, mainly by a thick-walled sleeve 8 in which are made several holes 9 which are arranged according to 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 on a batten 11, by example also in copper, in which is installed an electrical resistor 12 which, suitably, for example by electrical conduits 13-14, is connected to an electrical circuit.
  • the cylinder 5 according to the invention is also formed by a thick-walled tube 18 in which are made holes 19 whose diameter is preferably equal to diameter of the holes 9 made in the tube 8 and by which these holes 19 are made in the tube 18, according to the same configuration as the configuration holes 9 in the tube 8.
  • a socket 20 whose free end coincides with the periphery of the tube 18 and through which the sockets of a one and the same row are fixed to a common channel 21 which can be formed by a suitable tube whose passage 22 is in connection with the passages 23 practiced in the corresponding sockets 20.
  • This channel 21 gives, at one end of the cylinder 5, on a passage 24 made in the flange 25 of the cylinder 5, in which are also housed the ends of the tubes 21.
  • the other ends of the tubes 21 are housed in a 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 to each other, the notch suction 30 being disposed above.
  • the film material 2 which, by the cooperation of the cylinders 3 and 6, is placed taut across the device, scrolls between cylinders 4 and 5 where the first comes into contact with a defined row sleeves 10 which are heated to a temperature appropriate so that they can penetrate to through the film material 2.
  • the sleeves 10 will cross film 2 like a knife reheated; after which, these sleeves 10 come arrange in the holes 19 made in the tube 18 of the cylinder 5 and, in this way, film 2 plus specifically the small disks 32 come into place contact with sockets 20.

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)

Claims (8)

  1. Verfahren zum Perforieren einer Folie, gemäß dessen aufeinanderfolgende Perforationen durch Schneidemittel (10) angebracht werden, Teile der so perforierten Folie durch greiffähige Mittel (20) ergriffen und abgeführt werden und nötigenfalls von diesen letzteren Mitteln (20) durch Blasen entfernt werden, dadurch gekennzeichnet, daß man als Schneidemittel (10) Stutzen verwendet, die so erhitzt werden, daß diese Stutzen die Folie wie ein erhitztes Messer durchqueren und Folienscheibchen ausschneiden, welche Scheibchen man mit Hilfe von Nippeln (20) ergreift, die mit einem Durchgang (23) versehen sind, den man aufeinanderfolgend mit einer Vakuumpumpe, beziehungsweise mit Druckluft in Kontakt bringt.
  2. Verfahren gemäß Anspruch 1, dadurch gekennzeichnet, daß die Folie zwischen zwei Zylindern (4-5) transportiert wird, die man gegeneinander rotieren läßt, wovon einer (4) mit erhitzten Stutzen (10) versehen ist, die aus der Wand des Zylinders (4) ragen, während der zweite Zylinder (5) mit Öffnungen (19) versehen ist, in denen die Stutzen (10) während der Rotation der Zylinder (4-5) zu liegen kommen, und worin die Nippel (20) plaziert sind, wobei jeder Nippel (20) an einem Rohr (21) anschließt, wobei der Durchgang (23) in diesem Nippel mit einem in diesem Rohr (21) vorgesehenen Kanal (22) in Verbindung steht, wobei dieses Rohr sich bis zu einem Endflansch (25) des Zylinders (5) erstreckt, wobei der Kanal (22) mit einem in diesem Endflansch (25) des Zylinders (5) angebrachten Durchgang (24) in Verbindung steht.
  3. Vorrichtung zum Perforieren von Folien, die hauptsächlich von zwei Zylindern (4-5) geformt wird, die gegeneinander rotieren, wovon der eine (4) mit Mitteln (10) zum Herausschneiden von Teilen aus der Folie (2) versehen ist, während der zweite Zylinder (5) mit Mitteln (20) versehen ist, die die abgeschnittenen Teile ergreifen können, dadurch gekennzeichnet, daß die Mittel zum Ausschneiden von Teilen erhitzte Stutzen (10) sind, die die Außenwand des ersten Zylinders (4) durchqueren und kleine Scheibchen (32) ausschneiden, während der zweite Zylinder (5) mit Öffnungen (19) versehen ist, in denen die Stutzen (10) während der Rotation der Zylinder (4-5) zu liegen kommen können, wobei die Mittel zum Festhalten der ausgeschnittenen Teile und somit der ausgeschnittenen Scheibchen (32) Nippel (20) umfassen, die in diesen Öffnungen (19) plaziert sind und die aufeinanderfolgend mit einer Vakuumpumpe, beziehungsweise mit Druckluft in Verbindung gebracht werden, wobei jeder Nippel (20) an einem Rohr (21) anschließt und einen Durchgang (23) aufweist, der mit einem in diesem Rohr (21) vorgesehenen Kanal (22) in Verbindung steht, wobei dieses Rohr sich bis zu einem Endflansch (25) des Zylinders (5) erstreckt, wobei der Kanal (22) mit einem in diesem Endflansch (25) des Zylinders (5) vorgesehenen Durchgang (24) in Verbindung steht.
  4. Vorrichtung gemäß Anspruch 3, dadurch gekennzeichnet, daß die Stutzen (10) quer durch in der Wand (8) vorgesehene Öffnungen (9) montiert sind, wobei diese Öffnungen (9) größer als die entsprechenden Abmessungen der Stutzen (10) sind und wobei die Stutzen (10) einer selben Reihe auf einer gemeinsamen Latte (11) befestigt sind, worin ein Heizelement (12) vorgesehen ist.
  5. Vorrichtung gemäß Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Stutzen (10) mittels Schrauben (16) mit Muttern (17) in dem rohrförmigen Zylinder (4) befestigt sind, wobei, zwischen der Innenwand des Rohrs (8) und jeder Latte (11) ein schwach thermisch isolierendes Material (15) vorgesehen ist.
  6. Vorrichtung gemäß einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß die Abmessungen eines Nippels (20) deutlich kleiner sind als die Innenabmessungen eines Stutzens (10).
  7. Vorrichtung gemäß einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß der besagte Endflansch (25), worin die Durchgänge (24) vorgesehen sind, an einem festen Flansch (29) anliegt, worin zwei ringförmige Nuten (30) und (31) vorgesehen sind, wovon eine mit einem Absaugmechanismus, beispielsweise einer Vakuumpumpe, in Verbindung steht, während die andere mit einem Mechanismus zum Liefern von Druckluft in Verbindung steht.
  8. Vorrichtung gemäß Anspruch 7, dadurch gekennzeichnet, daß die ringförmigen Nuten (30) und (31) sich über einen Winkel von 90° erstrecken und einander diametral entgegengesetzt plaziert sind, wobei die Absaugnut sich oben befindet.
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 EP0620087A1 (de) 1994-10-19
EP0620087B1 true 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)

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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
US20110039063A1 (en) * 2006-10-17 2011-02-17 Samuel Charles Baer Apertured nonwoven fabric and process and apparatus for producing same
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
DE102010009034A1 (de) * 2010-02-24 2011-08-25 Haff & Schneider GmbH & Co OHG, 87484 Vorrichtung zur Stanzbearbeitung von flächigen Substraten
ES2392087B1 (es) * 2010-04-21 2013-10-18 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
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

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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
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
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US5140880A (en) * 1991-05-08 1992-08-25 Littleton Industrial Consultants, Inc. Push-pull apparatus and method for web cutting and trim strip removal

Also Published As

Publication number Publication date
ATE175376T1 (de) 1999-01-15
US5449482A (en) 1995-09-12
BE1006751A3 (nl) 1994-11-29
EP0620087A1 (de) 1994-10-19
DE69415711D1 (de) 1999-02-18

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