EP0270109A2 - Procédé et dispositif pour étirer des bandes de matériau, spécialement des bandes à couvercles pour récipients d'emballage - Google Patents

Procédé et dispositif pour étirer des bandes de matériau, spécialement des bandes à couvercles pour récipients d'emballage Download PDF

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Publication number
EP0270109A2
EP0270109A2 EP87117883A EP87117883A EP0270109A2 EP 0270109 A2 EP0270109 A2 EP 0270109A2 EP 87117883 A EP87117883 A EP 87117883A EP 87117883 A EP87117883 A EP 87117883A EP 0270109 A2 EP0270109 A2 EP 0270109A2
Authority
EP
European Patent Office
Prior art keywords
web
stretching
running direction
moistening
section
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
EP87117883A
Other languages
German (de)
English (en)
Other versions
EP0270109B1 (fr
EP0270109A3 (en
Inventor
Josef Finnah
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.)
Finnah GmbH
Original Assignee
Finnah GmbH
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 Finnah GmbH filed Critical Finnah GmbH
Priority to AT87117883T priority Critical patent/ATE77320T1/de
Publication of EP0270109A2 publication Critical patent/EP0270109A2/fr
Publication of EP0270109A3 publication Critical patent/EP0270109A3/de
Application granted granted Critical
Publication of EP0270109B1 publication Critical patent/EP0270109B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/18—Registering sheets, blanks, or webs

Definitions

  • the invention relates to a method for stretching material webs, in particular cover film webs for packaging containers according to the preamble of claim 1. Furthermore, the invention relates to a device for stretching material webs according to the preamble of claim 4.
  • a web of material running from a supply roll is used, the paper layer of which as a whole has already been hydrated by the manufacturer and is coated with an overprint varnish to avoid evaporation.
  • Such a web of material requires printing and drying of printing inks before the hydration process, can only be stored for a limited time due to evaporation that cannot be ruled out, but can only be reduced, has a transport weight that is increased by the weight of the moisture and the overprint varnish and offers increased risk of damage to the paper layer after stretching and even after separating and applying Lids on their packaging containers.
  • a braking device can be provided which acts on the carrier of the supply roll for the material web.
  • material webs which are made of single-layer material, e.g. Plastic film, aluminum foil or the like.
  • stretching devices are known which have a stretching tool which can be engaged against a stretched web section.
  • the invention has for its object to provide a method and an apparatus with which a paper layer comprising, optionally printed, but otherwise unprepared material webs, in particular cover film webs, can be stretched to an extent customary in such webs without damage occurring in the paper layer.
  • the method achieves this object on the basis of one according to the preamble of claim 1 with the features of the characterizing part of claim 1.
  • the device achieves this task on the basis of one according to the preamble of claim 4 with the features of the characterizing part of claim 4.
  • the method and the device enable a rapid, reliable and damage-free stretching of material webs comprising a paper layer, which neither require preparation by the manufacturer nor any special hazards during their further processing are exposed.
  • concentration of the softening of the paper layer brought about by the moistening onto the web section to be stretched in each case enables a precise stretching process without distortion of the printed image, while at the same time there is the possibility of carrying out printing and subsequent ink drying processes independently of the web manufacturer, for example immediately before or after a stretching process and after and before reaching the lid sealing station. Since the paper layer only undergoes intermediate softening, which is essentially limited to the area of the stretching station, adhesive or sealing processes are not impaired by moisture in the paper layer, so that these can be carried out immediately after stretching the web section.
  • This drawing shows a schematic representation of a broken side view of a stretching device, which can form a separate device or can also be part of a packaging machine.
  • the stretching device illustrated in the drawing comprises a device frame 1 which supports deflection rollers 2, 3, 4 and 5 for a material web 6 which consists of at least two layers.
  • a material web 6 which consists of at least two layers.
  • One of these layers namely the lowest layer in the drawing, consists of paper that is laminated, for example, on a polyethylene film.
  • a polyethylene film instead of such a polyethylene film, any other suitable plastic or metal film can be used, but plastic films are lower due to this Cost and good processing properties preferred.
  • the material web 6 After passing the deflection roller 3, the material web 6, the web running direction of which is illustrated by the arrows shown, passes over a web moistening device 7, after which it passes a first tensioning device 8, overruns a stretching tool 9 and finally passes through a second tensioning device 10 before passing through the deflection rollers 4 or 5 leaves the stretching device again.
  • the tensioning devices 8, 10 comprise upper or lower clamping jaws 11, 12, which can be engaged against the web by means of a drive and, in the engaged position, fix the web between them. As a result, a web section 13 is stretched between the tensioning devices 8, 10 and is subject to stretching by the stretching tool 9.
  • the pressure piece 16 of the stretching tool 9 has an arched pressure engagement surface 18, which is preferably designed as a cylinder segment surface.
  • the angled length of the pressure engagement surface 18 measured in the web running direction approximately corresponds to the correspondingly measured length of the stretched web section 13, so that during the stretching process the web section 13 comes into pressure engagement with the pressure piece 16 over almost its entire length.
  • the pressure engagement surface 18 of the pressure piece 16 is preferably heatable, and the pressure piece 16 can for this purpose electric heating coils 19 or the like. Have heating means that advantageously allow different heating of the pressure engagement surface 18 in certain areas. By means of such a different heating, the pressure piece 16 is given a temperature profile in the web running direction on the pressure engagement surface 18, which ensures a transfer of an equal amount of heat per unit area from the pressure engagement surface 18 to the web section 13 in the stretching engagement time between the pressure die 16 and the web section 13.
  • the temperature profile provides that the temperature of the pressure engagement surface 18 is from the culmination line to the leading or trailing edge of the pressure engagement surface 18 rises in a ratio that takes into account the progressively decreasing pressure engagement time in these directions.
  • a further drying station can also be arranged downstream of the tensioning device 10 for example in the area between the deflection rollers 4 and 5.
  • the web moistening device 7 is preferably designed as a spray device which comprises at least one spray nozzle, preferably a slot die. This can have an approximate web width or a spray field that is less than the web width. In the latter case, the spray nozzle by means of a carriage, trolley or the like. Carrier 21 can be moved back and forth in a guide 22 transversely to the web running direction by means of a drive (not illustrated in more detail).
  • the spray device 20 can also comprise a plurality of spray nozzles which are spaced apart from one another and at right angles to the web running direction and which can also be arranged in a row in a row in the web running direction.
  • the spray nozzles are preferably set to a gap.
  • Such nozzle arrangements can also present a spray field of web width or one of narrower width, in which case a reciprocating transverse movement by means of the carrier 21 must be provided in which case.
  • the web moistening device 7 can also be designed as a roller application device, the application roller being able to transfer liquid directly from a supply to the web as an immersion roller or to take over the liquid to be transferred from a donor roller or device.
  • the material web 6 When transported by, for example, a conveyor roller 23, the material web 6 overflows on the path between the tensioning devices 8, 10 the web moistening device 7, which supplies the paper layer opposite it with moisture to an extent that can be adapted to the respective conditions.
  • Distilled water can be used as the moistening agent, optionally with additives, for example those which promote the drying process or which have solidifying effects after the drying process.
  • the pressure piece 16 is actuated and engaged against the stretched web section 13 becomes.
  • the stroke of the pressure piece 16 is determined by the desired stretching dimension taking into account the shape of the pressure engaging surface 18 and is predetermined in each case by a control device which determines the required stretching dimension by scanning web markings.
  • the tensioning device 10 can be followed by a drying station, for example in the area between the deflecting rollers 4, 5, which additionally or solely brings about the drying.
EP87117883A 1986-12-04 1987-12-03 Procédé et dispositif pour étirer des bandes de matériau, spécialement des bandes à couvercles pour récipients d'emballage Expired - Lifetime EP0270109B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87117883T ATE77320T1 (de) 1986-12-04 1987-12-03 Verfahren und vorrichtung zum recken von materialbahnen, insbesondere deckelfolienbahnen fuer verpackungsbehaeltnisse.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863641415 DE3641415A1 (de) 1986-12-04 1986-12-04 Verfahren und vorrichtung zum recken von materialbahnen, insbesondere deckelfolienbahnen fuer verpackungsbehaeltnisse
DE3641415 1986-12-04

Publications (3)

Publication Number Publication Date
EP0270109A2 true EP0270109A2 (fr) 1988-06-08
EP0270109A3 EP0270109A3 (en) 1989-05-10
EP0270109B1 EP0270109B1 (fr) 1992-06-17

Family

ID=6315444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87117883A Expired - Lifetime EP0270109B1 (fr) 1986-12-04 1987-12-03 Procédé et dispositif pour étirer des bandes de matériau, spécialement des bandes à couvercles pour récipients d'emballage

Country Status (4)

Country Link
EP (1) EP0270109B1 (fr)
AT (1) ATE77320T1 (fr)
DE (2) DE3641415A1 (fr)
ES (1) ES2033782T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675129A (en) * 1992-09-30 1997-10-07 Hewlett-Packard Company Initial track recovery in position-sensing systems that use windowing patterns
EP2444324A1 (fr) * 2010-10-20 2012-04-25 Multivac Sepp Haggenmüller GmbH & Co. KG Machine d'emballage par emboutissage et procédé de tension d'une bande de feuille
WO2020207670A1 (fr) * 2019-04-11 2020-10-15 Syntegon Technology Gmbh Procédé et dispositif d'usinage d'un recouvrement d'un emballage
DE102020209819A1 (de) 2020-08-04 2022-02-10 Multivac Sepp Haggenmüller Se & Co. Kg Folienklemmung
EP4001137A1 (fr) * 2020-11-16 2022-05-25 Uhlmann Pac-Systeme GmbH & Co. KG Dispositif de manipulation et procédé de manipulation de matière d'emballage en forme de bande
DE102021114742A1 (de) 2021-06-08 2022-12-08 Syntegon Technology Gmbh Verfahren zu einer Vorkonditionierung von einer auf Fasermaterial basierenden Verpackungsmaterialbahn in einem Verpackungsformprozess sowie Vorkonditioniervorrichtung zu einem Durchführen des Verfahrens
US11981470B2 (en) 2019-04-11 2024-05-14 Syntegon Technology Gmbh Method and device for processing a cover of a package

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432672A (en) * 1965-03-04 1969-03-11 Mach O Matic Inc Photoelectric web registration control including two photocells which generate opposite polarity signals that terminate simultaneously
US4018028A (en) * 1971-07-23 1977-04-19 Societe D'application Plastique Mecanique Et Electronique, Plastimecanique S.A. Arrangement for aligning heat-sealable lids on mating product-filled containers
DE3026856A1 (de) * 1980-07-16 1982-02-04 Hoechst Ag, 6000 Frankfurt Verfahren und vorrichtung zur herstellung von verpackungen mit deckungsgleichen markierungen, insbesondere druckmustern, auf der vorder- und rueckseite
DE3423386A1 (de) * 1984-01-03 1985-07-11 Trentesaux-Toulemonde S.A., Tourcoing Bedruckter behaelterdeckel und verfahren zum anbringen des behaelterdeckels auf einem behaelter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432672A (en) * 1965-03-04 1969-03-11 Mach O Matic Inc Photoelectric web registration control including two photocells which generate opposite polarity signals that terminate simultaneously
US4018028A (en) * 1971-07-23 1977-04-19 Societe D'application Plastique Mecanique Et Electronique, Plastimecanique S.A. Arrangement for aligning heat-sealable lids on mating product-filled containers
DE3026856A1 (de) * 1980-07-16 1982-02-04 Hoechst Ag, 6000 Frankfurt Verfahren und vorrichtung zur herstellung von verpackungen mit deckungsgleichen markierungen, insbesondere druckmustern, auf der vorder- und rueckseite
DE3423386A1 (de) * 1984-01-03 1985-07-11 Trentesaux-Toulemonde S.A., Tourcoing Bedruckter behaelterdeckel und verfahren zum anbringen des behaelterdeckels auf einem behaelter

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675129A (en) * 1992-09-30 1997-10-07 Hewlett-Packard Company Initial track recovery in position-sensing systems that use windowing patterns
EP2444324A1 (fr) * 2010-10-20 2012-04-25 Multivac Sepp Haggenmüller GmbH & Co. KG Machine d'emballage par emboutissage et procédé de tension d'une bande de feuille
WO2020207670A1 (fr) * 2019-04-11 2020-10-15 Syntegon Technology Gmbh Procédé et dispositif d'usinage d'un recouvrement d'un emballage
US11981470B2 (en) 2019-04-11 2024-05-14 Syntegon Technology Gmbh Method and device for processing a cover of a package
DE102020209819A1 (de) 2020-08-04 2022-02-10 Multivac Sepp Haggenmüller Se & Co. Kg Folienklemmung
EP4001137A1 (fr) * 2020-11-16 2022-05-25 Uhlmann Pac-Systeme GmbH & Co. KG Dispositif de manipulation et procédé de manipulation de matière d'emballage en forme de bande
CN114572466A (zh) * 2020-11-16 2022-06-03 乌尔曼包装系统有限责任及合伙两合公司 用于处理网状包装材料的处理装置和方法
US11866211B2 (en) 2020-11-16 2024-01-09 Uhlmann Pac-Systeme Gmbh & Co. Kg Handling device and method for handling web-shaped packaging material
CN114572466B (zh) * 2020-11-16 2024-04-26 乌尔曼包装系统有限责任及合伙两合公司 用于处理网状包装材料的处理装置和方法
DE102021114742A1 (de) 2021-06-08 2022-12-08 Syntegon Technology Gmbh Verfahren zu einer Vorkonditionierung von einer auf Fasermaterial basierenden Verpackungsmaterialbahn in einem Verpackungsformprozess sowie Vorkonditioniervorrichtung zu einem Durchführen des Verfahrens

Also Published As

Publication number Publication date
ATE77320T1 (de) 1992-07-15
EP0270109B1 (fr) 1992-06-17
DE3779879D1 (de) 1992-07-23
EP0270109A3 (en) 1989-05-10
ES2033782T3 (es) 1993-04-01
DE3641415A1 (de) 1988-06-09

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