EP0839719B1 - Dispositif pour fabriquer des emballages en matériau d'emballage mince - Google Patents

Dispositif pour fabriquer des emballages en matériau d'emballage mince Download PDF

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Publication number
EP0839719B1
EP0839719B1 EP97117706A EP97117706A EP0839719B1 EP 0839719 B1 EP0839719 B1 EP 0839719B1 EP 97117706 A EP97117706 A EP 97117706A EP 97117706 A EP97117706 A EP 97117706A EP 0839719 B1 EP0839719 B1 EP 0839719B1
Authority
EP
European Patent Office
Prior art keywords
folding
retaining
blank
conveying member
material web
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
EP97117706A
Other languages
German (de)
English (en)
Other versions
EP0839719A1 (fr
Inventor
Heinz Focke
Hans-Jürgen Bretthauer
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co 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 Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP0839719A1 publication Critical patent/EP0839719A1/fr
Application granted granted Critical
Publication of EP0839719B1 publication Critical patent/EP0839719B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00Supplying or feeding container-forming sheets or wrapping material
    • B65B41/02Feeding sheets or wrapper blanks
    • B65B41/04Feeding sheets or wrapper blanks by grippers
    • B65B41/06Feeding sheets or wrapper blanks by grippers by suction-operated grippers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02Packaging cigarettes
    • B65B19/22Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/228Preparing and feeding blanks
    • 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
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02Feeding or positioning sheets, blanks or webs
    • B31B50/04Feeding sheets or blanks
    • B31B50/042Feeding sheets or blanks using rolls, belts or chains
    • 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
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26Folding sheets, blanks or webs
    • B31B50/44Folding sheets, blanks or webs by plungers moving through folding dies

Definitions

  • the invention relates to a device for producing packaging from foldable Packaging material, in particular paper, film or the like, with blanks from a material web of the packaging material separated one after the other and one Folding unit, in particular a folding turret, for wrapping an object can be fed with a holding and conveying element for detecting and transporting the Material web and / or the blank for feeding to the folding unit, the Holding and conveying element Holding means for grasping the material web or the blank has, in particular connected to a vacuum source suction holes. In particular, it is about the production of packaging from thin Packing material.
  • the invention is primarily concerned with problems in the manufacture of soft cup packaging for cigarettes.
  • the packaging machines used for this work with high performance and thus high speed of the moving organs. This is the handling of especially thin, critical packaging material difficult, such as Paper, foil, tinfoil etc.
  • the feeding of blanks to the folding unit, especially for a folding turret, especially requires special measures if the folding turret rotates continuously.
  • the invention has for its object the transport of material webs or Cuts in connection with packaging machines even at high To ensure conveyor speeds and thin packaging material, so that Packaging material or the blanks can be fed in the correct position and without wrinkles.
  • the device according to the invention is thereby characterized in that the holding and conveying member is elongated and itself for capturing and transporting a free path start approximately over the width of the Material web or the blank extends and that the holding and conveying member a movable carrier is arranged.
  • the front lying in the transport direction particularly critical edge area of the material web or of the blank additionally recorded by a separate funding body and preferably along the full width during the Transport fixed.
  • a finger or rod shape is used for this trained holding and conveying organ, which the front Edge area of material web or blank detected, in particular by suction.
  • the holding and conveying organ is synchronized with at least one endless conveyor for material web or cutting emotional. This is expediently transverse to the conveying direction or holding and extending transversely to the material web Conveyor element on the conveyor for the material web or the cutting attached itself.
  • the invention can have particular advantages in the case of a folding turret be used in the one-sided along the circumference protruding, hollow folding mandrels are attached to which the blanks packaging material.
  • Such one Folding turret is mainly for the production of (Soft) cup packs for cigarettes known and common.
  • the holding and conveying element kicks in at the start of a path or a front area of a blank between two successive folding thorns so that as a result of Movement of the folding mandrels of the blank and the holding and Funding body is deducted. This then returns to the starting position back to a new, subsequent cut take.
  • the folding turret is expediently in accordance with EP 0 226 872, the holding and conveying member axially parallel on a (suction) disc for feeding the Material web or the cut is attached.
  • the holding and Funding body can also with other endless conveyors for Material web or blank can be connected, for example with a belt conveyor.
  • FIG. 1 In the drawings is the preferred embodiment Handling thin packaging material such as paper, tin foil, Foil in connection with a folding turret 10 for manufacture of (cigarette) packaging of the soft cup type shown.
  • the folding turret 10 is only a schematic section shown, namely along the circumference distributed and arranged at equal distances from each other Folding mandrels 11.
  • the folding turret can advantageously be formed according to EP 0 226 872.
  • Folding mandrels 11 are known tools for folding blanks 12 in the manufacture of the wrappers for a cigarette group 13.
  • the folding mandrels 11 are open on both sides Hollow body made of thin-walled material.
  • the folding mandrels 11 are protruding on one side in axially parallel formation attached to a carrier of the folding turret 10, in the present Case on a turret disk 14.
  • the relative position of the Folding mandrels 11 are selected such that large outer walls 15 are radial to the outside and corresponding, opposite inner walls 16 point inwards.
  • One is approximately radially directed narrow front wall 17 and a correspondingly trained Rear wall 18.
  • On the outside of the folding mandrels 11 are successively the blanks 12 for an inner wrapping (Paper / tinfoil) and for a mug (mostly paper) folded.
  • the supply of the blanks 12 to the folding mandrels is critical 11 with continuous transport of the folding turret 10.
  • the blank 12 separated from a material web 19 in the area between two successive ones in the circumferential direction Folding mandrels 11a and 11b, i.e. into the one formed between them Gap to introduce and keep ready.
  • the following Folding mandrel 11b grips the blank 12 with that in the conveying direction front wall 17 and takes the blank 12 under a U-shape Folding with (Fig. 7).
  • the web of material is by means of feed rollers 20 - not by one shown bobbin coming - fed to a cutting station.
  • This consists of a (continuously) rotating knife roller 21 with a cutting knife 22.
  • This works together with a fixed counter knife 23 so that the circumference of the Knife roller 21 adjacent material web 19 to form the Cut 12 is severed.
  • the material web 19 or Blank 12 from the knife roller equipped with suction holes 21 to a likewise equipped with suction bores Transfer intermediate roller 24. This accelerates the cutting 12 and passes it on to a transfer roller 25. From this the blank 12 is taken over by the actual supply member, which the blank 12 in a curved, cylindrical shape for takeover by a folding mandrel 11 holds.
  • the cutting unit described so far corresponds for further details, preferably the EP 226 872.
  • the organ for holding a blank 12 in the area of Folding turret 10 consists of a continuously rotating, endless conveyor, namely from a holding disc 26. This is stationary, next to the folding turret 10 or next to the path of movement of the folding mandrels 11. As can be seen from FIG. 2, is the holding disc 26 on the turret disc 14 opposite side immediately next to the folding mandrels 11 positioned.
  • the blank 12 is from the transfer roller 25 to the circumference the holding disc 26 handed over, such that a Edge strip of the blank 12 extending in the conveying direction
  • the circumference of the holding disc 26 is present.
  • the holding disc 26 is for Fixing the blank 12 with radially directed suction bores 27 provided on a cylindrical outer peripheral surface 40 open for the cut 12.
  • the blank 12 receives through the holding disc 26 has a partially cylindrical shape. While the cutting 12 receives an operating phase Folding mandrel 11b encased by this blank 12.
  • the holding disc 26 is a unit known in principle pressurized with vacuum.
  • the holding disc 26 itself is located on a fixed supply disk 28. This is on the side facing the holding disc 26 with a circular arc Provided suction grooves 29. Connection holes temporarily connect to these 30 of the holding disc 26.
  • the axially parallel Connection bores 30 connect to the suction bores 27.
  • the segment-shaped suction groove 29 is connected to a vacuum source leading suction line 31 connected.
  • the holding disc 26 is via a drive wheel 32 and a shaft 33 driven in rotation.
  • At least one organ is attached to the holding disc 26, which is transverse to the conveying direction or transverse to the blank 12 extends. It is a holding and funding body 34, which has an end or Edge area of the blank 12 (or a material web 19) is detected and preferably fixed by suction.
  • the holding and conveying member 34 is a in the present case elongated, finger- or rod-shaped hollow body, which itself extends over the full width of the blank 12.
  • Fig. 2 two blanks 12 of different widths are shown symbolically, namely a wider blank 12 made of paper or tinfoil as an inner covering and a blank 12 of smaller width made of paper to form the (outer) cup of the packaging.
  • the full width of the blanks lies on the holding and conveying element 34 at.
  • the holding and conveying member 34 is designed so that it is a outer, preferably curved contact surface 35 for cutting 12 forms. A number opens into the area of this contact surface 35 of suction bores 36 arranged in a row next to one another this becomes the end area of the blank 12 on the Contact surface 35 held.
  • the suction bores 36 lead to one common channel 37 which extends in the longitudinal direction of the holding and Conveyor 34 extends.
  • the channel 37 is one of the Connection bores 30 connected in the holding disc 26, so that the holding and conveying member 34 is acted upon by suction air becomes.
  • the holding and conveying member 34 is protruding or projecting on one side attached to the holding disc 26.
  • the contact surface 35 lies flush with the peripheral surface 40 of the holding disk 26.
  • the holding disc 26 is centered on the movement path 38 of the folding mandrels 11 positioned. Outside the area of the folding turret 10 takes over the holding disc 26 a blank 12 of the Transfer roller 25.
  • the relative position is chosen so that at the moment of taking over a blank 12 the holding and Conveyor 34 of the transfer roller 25 is turned and a Starting area of the blank 12 is located adjacent to this.
  • FIGS. 3 to 7 show a position analogous to Fig. 1.
  • a pressure element 39 is assigned to each folding mandrel 11, for example a role that revolves with the folding turret 10.
  • the transverse pressure element 39 is in the starting position the rear or rear wall 18 of the one in front in the direction of movement Folding pin 11a.
  • the pressing member 39 against the front wall 17 of this folding mandrel 11b moves so that the blank 12 is fixed here (Fig. 7).
  • the holding disk 26 and thus the holding and conveying member 34 are driven in a special way, namely with a special one Movement characteristics depending on the machine cycle.
  • the holding disc 26 and thus the blank 12 still to ensure the takeover process.
  • the holding disc 26 is accelerated and so moved that the holding and conveying member 34 between two successive Folding mandrels is moved through, namely between the folding mandrel 11b, which has taken over the blank 12 and the subsequent folding mandrel 11c.
  • the further movement characteristics the holding disc 26 is designed so that the Holding and conveying member 34 at the moment in the position according to Fig. 3 comes when the next cut 12 by the Transfer roller 25 in the manner shown, namely with a front edge area for reception by the holding and conveying element 34 is kept ready.
  • the special reciprocal effect between the feeder with a holding and conveying element designed as a finger or arm 34 on the one hand and the continuously rotating folding mandrels 11 is that due to the direction of rotation of the holding disc 26 the holding and conveying member 34 after receiving a Blank 12 essentially in the direction of movement of the folding mandrels 11 is moved, then in the radial direction into the folding turret 10 immerses and within it in opposite Direction is moved back.
  • the holding and conveying member 34 is on the front and back of one and the same Blank 12 receiving folding mandrel 11b is moved past.
  • the device can alternatively be designed so that instead the holding disc 26 is another (endless) conveyor is used for cutting 12. This can be Act (suction) tapes.
  • the holding and conveying member 34 is in in this case attached to the conveyor or to the belts. It is also conceivable that the holding and conveying member 34 separately from other management bodies of the blank 12 by a separate gear is moved along an adapted path.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)

Claims (9)

  1. Dispositif de confection d'emballages en matériau d'emballage pliable, en particulier en papier, feuille ou matériau semblable, dans lequel des découpes (12) sont détachées l'une après l'autre d'une bande (19) du matériau d'emballage et amenées à un dispositif de pliage, en particulier un revolver de pliage (10), pour l'enveloppement d'un objet, comportant un organe de maintien et de transport (34) destiné à saisir et transporter la bande de matériau (19) et/ou la découpe (12) pour l'amener au dispositif de pliage, cet organe de maintien et de transport (34) présentant des moyens de maintien destinés à saisir la bande de matériau (19) ou la découpe (12), en particulier des trous d'aspiration (36) reliés à une source de dépression, caractérisé par le fait que l'organe de maintien et de transport (34) est allongé et, pour saisir et transporter un début de bande libre, s'étend à peu près sur toute la largeur de la bande de matériau (19) ou de la découpe (12), et que l'organe de maintien et de transport (34) est monté sur un support mobile.
  2. Dispositif selon la revendication 1, caractérisé par le fait que l'organe de maintien et de transport (34) est en forme de barre et placé de préférence sur un côté du support mobile.
  3. Dispositif selon l'une des revendications 1 et 2, caractérisé par le fait que pour la fabrication d'emballages par pliage de découpes (12) sur des mandrins de pliage (11) placés sur un revolver de pliage (10) et dépassant d'un côté, l'organe de maintien et de transport (34) passe avec la bande de matériau (19) saisie ou la découpe (12), de l'extérieur du revolver de pliage (10), en direction à peu près radiale, entre des mandrins de pliage successifs (11a et 11b) du revolver de pliage (10), de façon telle qu'un tronçon de la bande de matériau (19) ou une découpe (12) soit présenté entre des mandrins de pliage successifs (1 1a, 11b) et puisse être saisi par le mandrin de pliage arrière dans la direction de transport (11b) par rotation du revolver de pliage (10).
  4. Dispositif selon la revendication 1 ou une des autres revendications, caractérisé par le fait que l'organe de maintien et de transport (34) entre en passant entre deux mandrins de pliage successifs (11a, 11b) dans la partie intérieure du revolver de pliage (10) et sort entre les deux mandrins de pliage suivants dans la direction de transport (11b et 11c) de la zone du revolver de pliage (10) pour venir dans une position de réception de découpes (12).
  5. Dispositif selon la revendication 1 ou une des autres revendications, caractérisé par le fait que l'organe de maintien et de transport (34) est monté sous forme de bras ou de doigt dépassant d'un côté sur un transporteur fixe sans fin, en particulier sur un disque de maintien soumis à rotation (26), sur la surface périphérique (40) duquel un tronçon de la bande de matériau (19) ou une découpe (12) est placé excentriquement, par une partie de bord, pour être amené au revolver de pliage (10).
  6. Dispositif selon la revendication 2 ou une des autres revendications, caractérisé par le fait que la dépression qui agit sur les trous d'aspiration (36) de l'organe de maintien et de transport (34) pour tenir la découpe (12) ou la bande de matériau (19) peut être coupée et les trous d'aspiration (36) peuvent être vidés d'air pour la suppression de la force de maintien au moment de la prise de la découpe (12) par le revolver de pliage (10), plus précisément par un mandrin de pliage (11) de celui-ci, de préférence pendant une courte phase d'arrêt de l'organe de maintien et de transport (34) et éventuellement du disque de maintien (26).
  7. Dispositif selon la revendication 5 ou une des autres revendications, caractérisé par le fait que l'organe de maintien et de transport (34), formé d'un bras ou d'un doigt, présente une surface d'appui (35) de préférence arquée et dirigée vers l'extérieur pour la découpe (12) ou la bande de matériau (19), cette surface d'appui (35), de préférence, affleurant la surface périphérique (40) du disque de maintien (26).
  8. Dispositif selon la revendication 3 ou une des autres revendications, caractérisé par le fait qu'à chaque mandrin de pliage (11) du revolver de pliage (10) est associé un organe de serrage (39) pour le serrage et la fixation d'une découpe (12) sur une paroi avant (17) du mandrin de pliage (11) située en avant dans le sens de rotation, cet organe de serrage (39) d'un mandrin de pliage (11) s'appuyant, pendant l'amenée de la découpe (12) par passage entre des mandrins de pliage successifs (11a, 11b), sur le côté arrière d'un mandrin de pliage (11a) situé devant dans le sens de rotation.
  9. Dispositif selon la revendication 5 ou une des autres revendications, caractérisé par le fait que le disque de maintien (26) et l'organe de maintien et de transport (34) sont entraínés de manière non uniforme, en particulier avec une phase d'arrêt pour la prise d'une découpe (12) par un mandrin de pliage (11) et avec des phases d'accélération, de façon telle que l'organe de maintien et de transport (34) puisse passer entre des mandrins de pliage (11) successifs et être placé à proximité du rouleau de transfert (25) pour recevoir une découpe (12) suivante.
EP97117706A 1996-10-31 1997-10-13 Dispositif pour fabriquer des emballages en matériau d'emballage mince Expired - Lifetime EP0839719B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19644079 1996-10-31
DE19644079A DE19644079A1 (de) 1996-10-31 1996-10-31 Vorrichtung zum Herstellen von Verpackungen aus dünnem Verpackungsmaterial

Publications (2)

Publication Number Publication Date
EP0839719A1 EP0839719A1 (fr) 1998-05-06
EP0839719B1 true EP0839719B1 (fr) 2004-03-03

Family

ID=7809783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117706A Expired - Lifetime EP0839719B1 (fr) 1996-10-31 1997-10-13 Dispositif pour fabriquer des emballages en matériau d'emballage mince

Country Status (8)

Country Link
US (1) US5918440A (fr)
EP (1) EP0839719B1 (fr)
JP (1) JP3429168B2 (fr)
CN (1) CN1105010C (fr)
BR (1) BR9705185A (fr)
DE (2) DE19644079A1 (fr)
ES (1) ES2216092T3 (fr)
HK (1) HK1065593A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19654394A1 (de) 1996-12-27 1998-07-02 Focke & Co Verpackungsmaschine für die Fertigung von Zigarettenpackungen
DE19721144B4 (de) * 1997-05-21 2006-04-20 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zum Handhaben von Zuschnitten
DE19820966A1 (de) 1998-05-12 1999-11-18 Focke & Co Zigarettenpackung sowie Verfahren und Vorrichtung zum Herstellen derselben
DE19825943A1 (de) * 1998-06-11 1999-12-16 Focke & Co Verfahren und Vorrichtung zum Reinigen von Verpackungsmaschinen
ITBO20020234A1 (it) * 2002-04-24 2003-10-24 Corazza Spa Apparato per la fornitura di involucri di confezionamento di un prodotto alimentare
ITBO20030706A1 (it) * 2003-11-21 2005-05-22 Gd Spa Unita' di incarto di prodotti.
ITBO20050114A1 (it) * 2005-03-02 2005-06-01 Gd Spa Unita' di goffratura di un nastro di materiale di incarto
DE102007041648A1 (de) 2007-09-03 2009-03-05 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zum Herstellen von Zigarettenpackungen des Typs Klappschachtel
DE102011114522A1 (de) * 2011-09-29 2013-04-04 Focke & Co. (Gmbh & Co. Kg) Verfahren und Vorrichtung zum Herstellen einer Verpackung für eine Gruppe rauchbarer Artikel
CN104843246A (zh) * 2015-04-24 2015-08-19 浙江好时加卫生用品有限公司 一种卫生巾包装自带分切装置
DE102018005838A1 (de) * 2018-07-25 2020-01-30 Focke & Co. (Gmbh & Co. Kg) Verfahren und Vorrichtung zum Handhaben von Zuschnitten aus Verpackungsmaterial
TWI663111B (zh) * 2018-09-27 2019-06-21 台達電子工業股份有限公司 電子元件穩定裝置及其適用之外觀檢測設備

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US3735767A (en) * 1970-10-20 1973-05-29 Hauni Werke Koerber & Co Kg Method and machine for the making of cigarette packs or the like
DE2244533A1 (de) * 1972-09-11 1974-04-04 Hauni Werke Koerber & Co Kg Packmaschine zum verpacken von aus stabfoermigen rauchartikeln bestehenden formationen
DE2410587C2 (de) * 1974-03-06 1981-09-17 Martin 3051 Horst Natusch Einwickelmaschine
DE2906204A1 (de) * 1979-02-17 1980-09-04 Focke & Co Vorrichtung zum einhuellen von gegenstaenden, insbesondere zigaretten- gruppen
DE3340408A1 (de) * 1983-11-09 1985-05-15 Focke & Co, 2810 Verden Vorrichtung zum einhuellen von gegenstaenden, insbesondere zigaretten-gruppen
DE3545884C2 (de) * 1985-12-23 1998-10-22 Focke & Co Vorrichtung zum Herstellen von (Zigaretten-) Packungen aus mindestens einem faltbaren Zuschnitt
IT1200208B (it) * 1986-09-24 1989-01-05 Gd Spa Dispositivo per l'alimentazione di spezzoni di stagnola in una macchina impacchettatrice di sigarette
US4852225A (en) * 1988-06-27 1989-08-01 Mccoy-Ellison, Inc. Draw warping apparatus
DE3935972A1 (de) * 1989-10-28 1991-05-02 Schmermund Maschf Alfred Vorrichtung zum zufuehren von zuschnitten zu einer verpackungsstation
IT1268325B1 (it) * 1994-08-05 1997-02-27 Sasib Spa Macchina impacchettatrice per oggetti astiformi delicati, in particolare per sigarette, o simili.
IT1278191B1 (it) * 1995-05-10 1997-11-17 Gd Spa Metodo di incarto continuo di prodotti
US8264129B2 (en) * 2010-07-21 2012-09-11 General Electric Company Device and system for measuring material thickness

Also Published As

Publication number Publication date
HK1065593A1 (en) 2005-02-25
CN1181336A (zh) 1998-05-13
BR9705185A (pt) 1999-05-25
EP0839719A1 (fr) 1998-05-06
ES2216092T3 (es) 2004-10-16
JP3429168B2 (ja) 2003-07-22
CN1105010C (zh) 2003-04-09
DE19644079A1 (de) 1998-05-07
DE59711362D1 (de) 2004-04-08
US5918440A (en) 1999-07-06
JPH10211903A (ja) 1998-08-11

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