EP0962385A1 - Siegelwerkzeug und Verfahren zum Siegeln von Verpackungen - Google Patents

Siegelwerkzeug und Verfahren zum Siegeln von Verpackungen Download PDF

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Publication number
EP0962385A1
EP0962385A1 EP99109571A EP99109571A EP0962385A1 EP 0962385 A1 EP0962385 A1 EP 0962385A1 EP 99109571 A EP99109571 A EP 99109571A EP 99109571 A EP99109571 A EP 99109571A EP 0962385 A1 EP0962385 A1 EP 0962385A1
Authority
EP
European Patent Office
Prior art keywords
sealing tool
sealing
packaging
parts
tool according
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.)
Withdrawn
Application number
EP99109571A
Other languages
German (de)
English (en)
French (fr)
Inventor
Ulrich Thomas
Rolf Blöcher
Celestino Inverardi
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.)
Tiromat Kraemer and Grebe GmbH and Co KG
Kraemer and Grebe KG
Original Assignee
Tiromat Kraemer and Grebe GmbH and Co KG
Kraemer and Grebe 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 Tiromat Kraemer and Grebe GmbH and Co KG, Kraemer and Grebe KG filed Critical Tiromat Kraemer and Grebe GmbH and Co KG
Publication of EP0962385A1 publication Critical patent/EP0962385A1/de
Withdrawn legal-status Critical Current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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material

Definitions

  • the present invention relates to a sealing tool for sealing a Packaging tray with a cover film.
  • Packaging especially for food, plays an important role today ever increasing role in making foodstuffs more durable.
  • the food will for packaging in a so-called packaging tray and the The packaging tray is then sealed gas-tight with a cover film by the Cover film is sealed to the edge of the packaging tray.
  • the packaging troughs are usually semi-continuous in so-called Sealing stations sealed with a cover film.
  • Sealing stations sealed with a cover film.
  • the one with the Packing well filled with packaging material and the cover film in the sealing station transported.
  • a first lower sealing tool lifted vertically from below and against second upper, heated sealing tool arranged above the cover film pressed. Due to the pressure and the temperature, the cover film and the edge the packaging trough, which are located between the sealing tools, sealed.
  • the Sealing seam has a certain width and that the sealing seam in Located essentially in the middle of the edge of the packaging tray. After this The first sealing tool will be sealed below the one that has just been sealed Lowered packaging tray and the sealed packaging tray Cutting station transported.
  • the object is achieved by providing a lower one Sealing tool for sealing a packaging tray with a cover film solved that from a lower part, side parts that cross and side parts that parallel are aligned with the transport direction of the packaging trays, where at least one side part aligned parallel to the direction of transport in its spatial position relative to the machine frame is fixed while the others Parts of the die can be moved vertically downwards.
  • Both side parts aligned in parallel to the transport direction are preferably in FIG fixed their spatial position in relation to the machine frame.
  • the side parts which in their Position unchanged from the machine frame, on its top a surface with a low coefficient of friction.
  • This surface can either polished or coated with Teflon or the like.
  • the side parts which are fixed in their spatial position, preferably taper from top to bottom, so that they can be used to seal packaging troughs can one or more parallel to the transport direction of the packaging have aligned undercut (s).
  • a sealing tool according to the invention is preferably used to seal at least two packaging trays arranged side by side.
  • Such one Sealing tool has in addition to the lower part, the side parts, the cross and the Side parts aligned parallel to the transport direction of the packaging trays are, in addition, preferably at least one middle part, which compared to the Machine frame is fixed in its spatial position.
  • the side parts of such a sealing tool are preferably also opposite fixed the machine frame in its spatial position.
  • the middle parts and the Side parts that remain unchanged in their position relative to the machine frame, a surface with a low coefficient of friction on its top.
  • the surface can either be polished or coated with Teflon or the like.
  • the central part and / or the side parts taper in their spatial location are fixed from top to bottom, so with them Packaging trays can be sealed that are parallel to one or more Have the undercut (e) aligned in the transport direction of the packaging.
  • Another object of the present invention is to provide a method of sealing of packaging trays to provide the disadvantages of the stand which does not have technology.
  • the present invention has the advantage that a packaging tray with a or more aligned parallel to the transport direction of the packaging tray Undercuts can be sealed with a cover film.
  • Another advantage of Invention is that heavily loading packaging trays by the in its location spatially fixed side and / or middle part is supported and thus no longer sags, so that the sealing tool at the packaging tray Up and down no longer destroyed.
  • Figure 1a shows a package with undercuts.
  • the packaging 1 consists of a packaging trough 2 and a cover film 3.
  • the packaging shown is a so-called stand-up packaging which stands with its narrow side on the surface shown.
  • the stand-up packaging has undercuts 5 in order to stabilize the packaging in its erected position.
  • Figure 1b shows the packaging according to Figure 1a in plan view.
  • the undercuts 5 are located on one side of the packaging trough 2.
  • the area shown in dark is the horizontal edge of the packaging trough onto which the cover film is sealed.
  • FIG. 2a shows the sealing tool 6 according to the invention for sealing a packaging trough with a cover film.
  • the sealing tool has a lower part 7, side parts 8, 9, the transverse and side parts 10, 11, which are aligned parallel to the transport direction of the packaging trays.
  • the arrow shows the direction of transport of the sealed packaging trays.
  • the side part 11 is thicker at the upper end than at the lower end, so that packaging troughs with an undercut on the side facing the side part 11 can be sealed with this sealing tool. If a packaging tray with two undercuts is to be sealed, the side part 10 can also be designed corresponding to the side part 11.
  • FIG. 2b shows the sealing tool according to FIG. 2a after the lowering.
  • the parts 7, 8, 9, 10 of the sealing tool are lowered, while the side part 11 remains fixed in its spatial position, so that the undercut facing the side part 11 is not damaged.
  • the sealed packaging tray can then be transported in the direction of the arrow shown, parallel to the side part 11, without the undercut being damaged.
  • FIG. 3a shows a sealing tool according to the invention for sealing two packaging trays with cover foils.
  • this die has the middle parts 17, 17a.
  • the middle part 17 tapers on both sides from top to bottom, so that with this sealing tool packaging troughs can be sealed, which have undercuts facing the middle part 17, 17a.
  • the middle part 17a has a constant cross section.
  • the person skilled in the art immediately recognizes that the middle parts 17 and 17a can also be manufactured as one part.
  • the person skilled in the art also recognizes that the central part can also have a constant cross section overall. In this case, packages with an undercut could not be sealed.
  • the middle part would then only serve to support the film between the packaging troughs so that they do not sag.
  • the side parts 15 and 16 can also taper from top to bottom, so that packaging troughs can be sealed with this sealing tool, which have undercuts that face the side parts 15, 16.
  • FIG. 3b shows the sealing tool according to FIG. 3a after the lowering.
  • the parts 12, 13, 14, 15, 16 and 17a of the sealing tool are lowered, while the side part 17 is not lowered but remains fixed in its spatial position so that the undercuts facing the middle parts 17 and 17a are not damaged.
  • the sealed packaging trays can then be transported in the direction of the arrow shown, parallel to the central part 17, without the undercuts of the packaging trays being damaged.
  • FIG. 4 shows a section of the sealing tool according to the invention, the lower part and the side parts, which are oriented transversely to the transport direction of the packaging trays, being lowered, while the side parts 15, 16 and the two middle parts 17 are fixed in their spatial position.
  • the packaging troughs 19, 20, 21 are supported in particular by the middle parts 17 from below, so that they do not sag.
  • Figure 5 shows the sealing tool according to the invention for sealing two packaging trays with the associated lowering mechanism.
  • the lower part 24 and the side parts 25 and 26 standing transversely to the transport direction of the packaging troughs can be seen from the sealing tool.
  • the central part of the sealing tool can be seen, which consists of two parts 22 and 23. While the part 22 has a constant cross section, the part 23 tapers from top to bottom, so that packaging troughs with an undercut can be sealed with the central part.
  • the part 23 is screwed onto the part 22 so that the shape of the undercut can be changed without great assembly effort.
  • the central part is fastened to a rod 28, which in turn is firmly connected to the machine frame (not shown), so that the central part is fixed overall in its spatial position relative to the machine frame.
  • the lower part of the sealing tool 24 is mounted on a plate 29 which has a drive (not shown) with which it is moved vertically up and down, as indicated by the double arrow.
  • the plate 29 has a bore through which the
  • FIG. 6 shows a sealing station with the sealing tool according to the invention.
  • the packaging troughs 33 filled with packaging material and the cover film F2, which is unrolled from the roll V2, are transported to the sealing station and fixed there.
  • the lowered parts 31 of the sealing tool according to the invention are pressed against the heated upper sealing tool 30.
  • the cover film and the edge of the packaging trough, which are located between the sealing tool 31, 32 according to the invention and the sealing tool 30, are heated and thus sealed.
  • the vertically displaceable parts 31 of the sealing tool are lowered again by the drives 35.
  • the central part 32 is spatially fixed in position with a rod 34.
  • the film and thus the just sealed packaging trays 33 are transported to the cutting station and then the vertically displaceable parts of the sealing tool are moved up again and the sealing process of the packaging tray can be carried out again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing Of Containers (AREA)
  • Package Closures (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP99109571A 1998-06-02 1999-05-14 Siegelwerkzeug und Verfahren zum Siegeln von Verpackungen Withdrawn EP0962385A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19824589A DE19824589A1 (de) 1998-06-02 1998-06-02 Siegelwerkzeug und Verfahren zum Siegeln von Verpackungen
DE19824589 1998-06-02

Publications (1)

Publication Number Publication Date
EP0962385A1 true EP0962385A1 (de) 1999-12-08

Family

ID=7869649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99109571A Withdrawn EP0962385A1 (de) 1998-06-02 1999-05-14 Siegelwerkzeug und Verfahren zum Siegeln von Verpackungen

Country Status (4)

Country Link
US (2) US6240706B1 (es)
EP (1) EP0962385A1 (es)
DE (1) DE19824589A1 (es)
ES (1) ES2141698T1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2270730B2 (es) * 2006-03-14 2013-07-05 Jorge LÓPEZ RODRIGUEZ Bomba de desagüe de barrenos mediante ciclos alternativos de aspiración y expulsión basada en el pricipio del desplazamiento neumático
US7340871B1 (en) * 2006-03-31 2008-03-11 Alkar-Rapidpak, Inc. Web packaging system with ergonomic tooling change
US7703265B2 (en) * 2007-10-23 2010-04-27 Alkar-Rapidpak, Inc. Web packaging system with ergonomic forming plug change
DE102007062983A1 (de) * 2007-12-21 2009-06-25 Ulma Packaging Gmbh Verpackungsmaschine
DE102008019628A1 (de) * 2008-04-18 2009-11-05 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine
EP2411297B1 (en) * 2009-03-24 2015-05-06 Peerless Machine & Tool Corporation Cup lid manufacturing process
US8499536B2 (en) 2009-05-18 2013-08-06 Alkar-Rapidpak-Mp Equipment, Inc. Apparatuses and methods for assisted tooling extraction
US8186134B2 (en) * 2009-05-18 2012-05-29 Alkar-Rapidpak-Mp Equipment, Inc. Packaging machines and methods
US9156573B2 (en) 2011-03-30 2015-10-13 Alkar-Rapidpak, Inc. Packaging apparatuses and methods

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB886531A (en) * 1957-06-14 1962-01-10 Kurt Ott Improvements in or relating to packing apparatus
GB1185150A (en) * 1966-09-12 1970-03-18 Inst Nahrungsmittel Genussmitt Making Packages by Moulding and Filling Plastics Containers
FR2528386A1 (fr) * 1982-06-14 1983-12-16 Erca Holding Procede et installation de conditionnement d'un produit

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59503C (de) M. PIGOT in Brüssel Hufeisen mit Korkplatten-Einlage
DD59503A (es) *
FR2648432B1 (fr) * 1989-06-16 1991-09-13 Mecaplastic Dispositif et installation pour le conditionnement de produits quelconques, par exemple de produits alimentaires, dans des barquettes fermees par un film soude de fermeture
DE9006292U1 (de) * 1990-06-02 1990-09-06 Stiegler GmbH Maschinenfabrik, 7062 Rudersberg Vorrichtung zum Querschweißen und Quertrennen oder Querperforieren einer Kunststoffolienbahn
DE9113290U1 (de) * 1991-10-25 1991-12-19 Krämer + Grebe GmbH & Co KG Maschinenfabrik, 3560 Biedenkopf Vorrichtung zum Herstellen einer Verpackung
US5241801A (en) * 1992-08-31 1993-09-07 Highland Plastics, Inc. Container lid mounting and sealing system
US5765343A (en) * 1995-10-20 1998-06-16 Whittaker; Dale Individual dental floss packaging method and apparatus
DE19541983A1 (de) * 1995-11-10 1997-05-15 Zahoransky Anton Gmbh & Co Blisterverpackungsmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB886531A (en) * 1957-06-14 1962-01-10 Kurt Ott Improvements in or relating to packing apparatus
GB1185150A (en) * 1966-09-12 1970-03-18 Inst Nahrungsmittel Genussmitt Making Packages by Moulding and Filling Plastics Containers
FR2528386A1 (fr) * 1982-06-14 1983-12-16 Erca Holding Procede et installation de conditionnement d'un produit

Also Published As

Publication number Publication date
US6240706B1 (en) 2001-06-05
US6260334B1 (en) 2001-07-17
ES2141698T1 (es) 2000-04-01
DE19824589A1 (de) 1999-12-09

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