EP0298302A2 - Emballage sous-vide, en particulier pour café torréfié (moulu) - Google Patents

Emballage sous-vide, en particulier pour café torréfié (moulu) Download PDF

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Publication number
EP0298302A2
EP0298302A2 EP88109907A EP88109907A EP0298302A2 EP 0298302 A2 EP0298302 A2 EP 0298302A2 EP 88109907 A EP88109907 A EP 88109907A EP 88109907 A EP88109907 A EP 88109907A EP 0298302 A2 EP0298302 A2 EP 0298302A2
Authority
EP
European Patent Office
Prior art keywords
tear strip
vacuum packaging
grip tab
tab
packaging 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.)
Granted
Application number
EP88109907A
Other languages
German (de)
English (en)
Other versions
EP0298302B1 (fr
EP0298302A3 (en
Inventor
Gerhard Clausing
Gerhard Hemm
Heiko Pietzsch
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.)
Kraft Foods Schweiz Holding GmbH
Original Assignee
Jacobs Suchard AG
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 Jacobs Suchard AG filed Critical Jacobs Suchard AG
Priority to AT88109907T priority Critical patent/ATE85293T1/de
Publication of EP0298302A2 publication Critical patent/EP0298302A2/fr
Publication of EP0298302A3 publication Critical patent/EP0298302A3/de
Application granted granted Critical
Publication of EP0298302B1 publication Critical patent/EP0298302B1/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
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/66—Inserted or applied tearing-strings or like flexible elements

Definitions

  • the invention relates to a vacuum packaging made of a film tube of a multilayer composite film for pourable goods, in particular (ground) roasted coffee, which is formed into a dimensionally stable (block-shaped) coffee block and which is provided with an upper closure seam in the area of a fin fold, a tear strip is arranged in the area of the fin fold between the (coffee) block and the closure seam, which is guided into the area of a grip tab defined by punch cuts of the laminated foils welded here (side welding).
  • Vacuum packaging is more common wise from a multilayer composite film with metallized layers and with an inner layer of thermoplastic material.
  • the packaging is produced from a continuous film tube, usually with a tube seam extending in the longitudinal direction, by severing tube sections.
  • the tube section is sealed airtight with upper and lower transverse sealing seams after prior filling and evacuation.
  • the evacuated package contents are shaped into a stable, cuboid block. Areas of the film tube that protrude at the top and bottom are folded flat to attach the sealing seams. This creates a design of the upper and lower end regions of the pack, referred to as fin folding. These are folded against the front and bottom of the coffee block. Approximately triangular flaps protruding on the sides are also folded towards the front and bottom. The result is an overall block-shaped molding which is usually accommodated in an outer packaging made of cardboard or coated paper.
  • the invention is concerned with proposals for problem-free opening of such packages made of composite film.
  • a transverse tear strip below the (upper) closure seam of a vacuum packaging.
  • a grip tab is formed by the welded composite film, which can be gripped by means of the tear strip to open the packaging.
  • the grip tab is defined by two parallel die cuts made in the composite film on the side of the tear strip (DE-GM 75 08 452.5).
  • the invention has for its object to design a packaging, in particular a vacuum packaging for (ground) roasted coffee or the like. In such a way that, despite an easy-to-operate tear-open mechanism, the permanent tightness to maintain the vacuum is ensured.
  • the vacuum packaging according to the invention is characterized in that an end facing the handle tab (handle end) of the tear strip ends or is arranged with a distance from the die cuts ensuring the tightness of the welded composite film (side seal).
  • the invention is based on the knowledge that by making the die cuts to limit the grip tab a considerable risk with regard to the tightness is created, in connection with the tear strip attached to the inside of the composite film. This is because, according to the knowledge on which the invention is based, it forms fine, capillary-shaped channels next to the tear strip in the region of the vacuum foils welded to one another. If the distance between the welded foil walls (side seal) and the die cuts is too small, a potential leak in the packaging is created here.
  • An embodiment of the invention is particularly advantageous in which the tear strip ends at a distance - seen in the longitudinal direction of the tear strip - from the die cuts to limit the grip tab, but preferably with an anchoring within the side weld.
  • the tear-open process can nevertheless be carried out without any problems, because tear lines or separating lines converge towards the tear strip when gripping and pulling the grip tab. This also comes into full effect for the tear-open process if the tear strip ends at a clear distance in front of the area of the die cuts and thus the grip tab.
  • the design of the grip tab itself is the design of the grip tab itself. According to the invention, this is formed at a distance from the side edge of the packaging, namely by means of a U-shaped or a similarly shaped stamping within the side seal. This creates a grip tab, which is formed at a distance from the edge of the packaging or the fin fold and can be grasped by pushing it out to the side. This leaves a closed, frame-like part of the (welded) composite film, which can be held particularly firmly between the thumb and forefinger during the tearing process.
  • This version of the grip tab can also be used in other types of film packaging as part of a tear-open mechanism with tear strips, ie not only in vacuum packaging.
  • the tear-open mechanism can also be arranged in the region of a trapezoidal transition piece of the fin fold, wherein a side weld with a tab that connects the two film walls is also arranged in the region of the transition piece.
  • the vacuum packaging shown as exemplary embodiments in the drawings serves to hold ground roasted coffee.
  • the basic structure of such a vacuum packaging comprises an outer wrapping (not shown) made of paper or cardboard and an inner packaging, the actual vacuum packaging.
  • This consists of a section of a film tube of a multilayer, aroma and airtight composite film. Their structure is such that at least one inside coating thermally sealable or weldable plastic.
  • An intermediate layer usually consists of metal.
  • a continuous film tube with a tube seam running in the longitudinal direction is first formed. Individual tube sections are separated from this film tube, each to form a vacuum package. After applying a lower, transverse sealing seam by thermal welding (not shown), the bag-shaped packaging is filled and then evacuated. During evacuation, the contents of the pack (ground roasted coffee) are shaped into a cuboid block by means of corresponding external shaping members (not shown), namely into a block of coffee 10. This is solid and dimensionally stable due to the vacuum inside the packaging.
  • the upper end of the tubular packaging is also tightly closed by a transverse sealing seam 11, namely by corresponding, known thermal sealing jaws (not shown).
  • a transverse sealing seam 11 namely by corresponding, known thermal sealing jaws (not shown).
  • lateral partial seams 12, 13 are first made, which leave an approximately central opening for the evacuation process.
  • the full-width closure seam 11 is then produced.
  • the packaging formed in this way forms a fin fold 14 projecting above it in the area above and below the coffee block 10.
  • This consists of an end-sided, rectangular closure section 15 and an adjoining trapezoidal transition piece 16. The latter goes into the cuboid area of the coffee block 10 about.
  • the closure seam 11 is located in the area of the rectangular closure section 15, namely directly adjacent to the free opening edge.
  • a tear strip 17 directed transversely to the film tube is attached in the area of the fin fold 14. This is located on the inside of the composite film.
  • the tear strip 17 is expediently already attached to the still continuous web of the composite film, in a relative position corresponding to the position within the packaging.
  • the tear strip 17 can be attached to the composite film by sealing, but preferably by gluing.
  • the tear strip is located in the region of the rectangular closure section 15.
  • the tear strip 17 extends (almost) the full width of the packaging.
  • a grip tab 19 is formed from the material of the composite film. This is in such a position relative to the tear strip 17 or to the handle end 18 of the same that when the grip tab 19 is gripped and the pull strip 17 is grasped, the tear strip 17 is also grasped and the composite film is split like a slot over the length of the tear strip 17.
  • Handle end 18 and grip tab 19 are located in the area of a sheet-like welding of opposing film walls in the area of the closure section 15 or the transition piece 16 (FIGS. 5 and 6).
  • This side weld 20 serves on the one hand to maintain tightness and on the other hand to form a stiffening area which favors the tearing process in the initial phase.
  • the grip tab 19 is always defined by punch cuts in the various embodiments.
  • the relative position between the handle end 18 and the grip tab 19 or to the die cuts is important, in such a way that there is a sufficient distance to ensure tightness. This should be 4 mm or more.
  • the grip tab 19 is delimited by two punch cuts 22, 23 made from a free side edge 21 of the packaging. These also end at the side edge 21 and extend within the side weld 20 on both sides of the tear strip 17th
  • the grip tab 19 is also defined by punch cuts 22, 23 made from the side edge 21.
  • the tear strip 17 is in the present case almost up to the side edge 21, but is not the area of a side weld ßung - as in Fig. 1 -, but freely between two separate sealing welds 24, 25. These run (approximately) parallel to the tear strip 17 above and below it at a distance from it. The sealing effect of these sealing welds 24, 25 produced by the sheet-like welding is therefore not impaired by the tear strip 17. This can therefore be performed up to the side edge 21.
  • the die cuts 22, 23 for delimiting the grip tab 19 are located in the area of the sealing welds 24, 25, but at a sufficient distance from the upper and lower edges thereof for sealing.
  • the punch cuts 22, 23 are thus also located in a sufficiently sealed area.
  • FIG. 3 shows an embodiment which is distinguished by a particularly advantageous design and arrangement of the grip tab 19. Overall, this is arranged at a distance from the side edge 21, and accordingly extends completely within the side weld 20.
  • a special stamping which in the present exemplary embodiment is designed as a U-stamping 26, namely with two horizontal stamping legs 27, 28 extending on both sides of the tear strip 17 and a transverse stamping 29 connecting them to one another.
  • the stamping The definition of the grip tab 19 can also be rounded, triangular or similar.
  • a tongue can be pressed out laterally out of the plane of the welded composite film as a grip tab 19.
  • a frame-shaped structure with an upper material web 30 and a lower material web 31 and a transverse web 32 connecting them remains for gripping and holding.
  • the frame part thus formed is particularly good to grasp and hold when the required traction on the Handle tab 19 is exercised.
  • the tear-open mechanism designed in this way can also be used for other types of packaging made of films.
  • the handle end 18 of the tear strip 17 ends in the present case at a distance from the U-punching 26, so that the tightness is guaranteed.
  • FIG. 4 shows an alternative to FIG. 3 that is improved in terms of tightness.
  • the grip tab 19 already described is arranged here within a side weld 20 widened in the longitudinal direction of the tear strip 17.
  • the tear strip 17 or its grip end 18 ends here at a distance - seen in the longitudinal direction of the tear strip 17 - from the U-punch 26, and also from the free ends of the punch legs 27, 28. This achieves an optimal seal without the Tearing open.
  • the tear strips 17 can extend to a free side edge 33. However, it is more advantageous to limit the tear strips 17 such that they end at a distance from the side edge 33, since an increased leakage can also occur in the region of the side edge.
  • an end weld 34 is attached here, in which the facing end of the tear strip 17 can be anchored (FIG. 3).
  • FIG. 5 and 6 show a vacuum packaging in which the tear strip 17 is attached in the region of the trapezoidal transition piece 16.
  • the type of attachment corresponds to the exemplary embodiments described, a trapezoidal side weld 25, likewise for receiving a grip tab 19, being arranged in the manner described.
  • the side weld 20 in the region of the closure section 15 has been retained here.
  • the dimensions and arrangement of the Tear strip 17 apply to the described features for this embodiment.
  • FIG. 7 shows an embodiment of the tear-open aid in a further development of FIG. 3.
  • the grip tab 19 is rounded here and has smaller dimensions than the inner dimension of the material webs 30, 31 surrounding it as a U or C with a cross web 32. This creates a gap 36 between the grip tab 19 and the aforementioned material webs, which facilitates the gripping tab 19 for the tearing process.
  • the grip tab 19 can be deformed by embossing, in such a way that partial areas thereof protrude beyond the plane of the side weld 20, that is, they protrude. Since the double-walled grip tab 19 has a certain intrinsic stability due to welding, such a deformation of the grip tab 19 can be brought about by simple pressure stamping.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
  • Bag Frames (AREA)
EP88109907A 1987-07-02 1988-06-22 Emballage sous-vide, en particulier pour café torréfié (moulu) Expired - Lifetime EP0298302B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88109907T ATE85293T1 (de) 1987-07-02 1988-06-22 Vakuum-verpackung, insbesondere fuer (gemahlenen) roestkaffee.

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE3721890 1987-07-02
DE3721890 1987-07-02
DE3737111 1987-11-02
DE3737111 1987-11-02
DE3807469A DE3807469A1 (de) 1987-07-02 1988-03-08 Vakuum-verpackung, insbesondere fuer (gemahlenen) roestkaffee
DE3807469 1988-03-08

Publications (3)

Publication Number Publication Date
EP0298302A2 true EP0298302A2 (fr) 1989-01-11
EP0298302A3 EP0298302A3 (en) 1989-12-06
EP0298302B1 EP0298302B1 (fr) 1993-02-03

Family

ID=27196176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88109907A Expired - Lifetime EP0298302B1 (fr) 1987-07-02 1988-06-22 Emballage sous-vide, en particulier pour café torréfié (moulu)

Country Status (8)

Country Link
US (1) US4927028A (fr)
EP (1) EP0298302B1 (fr)
JP (1) JPH01124576A (fr)
DE (2) DE3807469A1 (fr)
DK (1) DK363288A (fr)
ES (1) ES2038719T3 (fr)
FI (1) FI883160A7 (fr)
NO (1) NO882841L (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0358916A1 (fr) * 1988-08-26 1990-03-21 Jacobs Suchard AG Emballage, feuille composée pour la fabrication d'un emballage, dispositif de fabrication de la feuille composée et procédé de fabrication d'emballages sous vide
EP1772380A1 (fr) * 2005-09-28 2007-04-11 Kraft Foods R & D, Inc. Méthode et machine de conditionnement pour empaqueter un produit, et emballage contenant en particulier du café

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8810752U1 (de) * 1988-08-25 1990-01-25 Jacobs Suchard GmbH, 2800 Bremen Vakuumpackung für körnige Lebensmittel
DE3833939A1 (de) * 1988-10-05 1990-04-12 Jacobs Suchard Ag Vakuum-verpackung, verbundfolie zur herstellung einer vakuum-verpackung sowie verfahren zur herstellung derselben
US5175011A (en) * 1989-05-29 1992-12-29 Jacobs Suchard Ag Quick-opening bag for packaging, especially for vacuum packaging food products in particular coffee
DE8907723U1 (de) * 1989-06-24 1989-08-10 Hoechst Ag, 65929 Frankfurt Beutelartige Verpackung
US5408400A (en) * 1993-10-12 1995-04-18 Gordon; Chester D. Disposable sterile covering for dental and surgical lighting fixtures
US5633113A (en) * 1995-04-14 1997-05-27 Polaroid Corporation Mass transfer imaging media and methods of making and using the same
IT1320858B1 (it) * 2000-12-12 2003-12-10 Tetra Laval Holdings & Finance Confezione sigillata di tipo perfezionato per prodotti alimentariversabili.
EP1468931A4 (fr) * 2001-12-26 2005-03-02 Asahi Kasei Pax Corp Sachet d'emballage facile a ouvrir
US20050078890A1 (en) * 2001-12-26 2005-04-14 Kenjiro Abe Easy-to-unseal packaging bag
US7334679B2 (en) * 2004-03-15 2008-02-26 Hollister Incorporated Tear open package for hydrophilic-coated catheter
AU2007257823B2 (en) * 2006-06-08 2013-05-02 Hollister Incorporated Catheter product package and method of forming same
GB0617684D0 (en) * 2006-09-07 2006-10-18 Cadbury Schweppes Plc Packing of confectionery items
AU2008223524A1 (en) * 2007-03-02 2008-09-12 Monosol Rx, Llc Packet structure, such as for a film strip
EP2060296B1 (fr) * 2007-11-19 2016-08-24 Hollister Incorporated Ensemble de cathéter hydraté à vapeur et son procédé de fabrication
JP2008164636A (ja) * 2008-03-17 2008-07-17 Hioki Ee Corp コンタクトプローブ用固定具
DE202009011507U1 (de) * 2009-08-24 2009-12-24 Kraft Foods R & D, Inc., Northfield Verpackung mit einem Lebensmittel darin und Maschine zur Herstellung eines verpackten Lebensmittels
JP4717144B2 (ja) * 2010-01-08 2011-07-06 日置電機株式会社 コンタクトプローブ用固定具

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US3215335A (en) * 1963-11-29 1965-11-02 Pillsbury Co Container
CH549505A (de) * 1972-03-14 1974-05-31 Tetra Pak Dev Verpackungsbehaelter, verfahren zu seiner herstellung und verpackungsmaterialbahn zur ausfuehrung dieses verfahrens.
US4027455A (en) * 1972-03-14 1977-06-07 Tetra Pak Developpement Sa Packing containers with ripping thread opening and packing material webs for the manufacture of the packing containers
DE7508452U (de) * 1975-03-18 1975-07-10 Sig Schweiz Industrieges Vakuumpackung
CH636057A5 (de) * 1979-03-16 1983-05-13 Sig Schweiz Industrieges Aufreissverschluss an einem doppelbeutel fuer schuettgueter.
CH643501A5 (de) * 1980-03-14 1984-06-15 Sig Schweiz Industrieges Folienbeutel mit als oeffnungshilfe dienendem aufreissmittel und verfahren zu dessen herstellung.
US4650079A (en) * 1983-02-08 1987-03-17 Kazuhiro Itoh Easy-to-open synthetic resin bag and apparatus for the manufacture thereof
DE3306314A1 (de) * 1983-02-23 1984-10-18 Kanari Onojo Fukuoka Tani Leicht zur oeffnender kunstharz-beutel und vorrichtung zu seiner herstellung
FR2558802B1 (fr) * 1984-02-01 1986-11-21 Grellier Jean Nouveau conditionnement a bandelette d'arrachage, et appareillage pour sa fabrication
US4705174A (en) * 1984-02-29 1987-11-10 Fres-Co System Usa, Inc. Sealed flexible container with non-destructive peelable opening
JPS6228354A (ja) * 1985-07-19 1987-02-06 本州製紙株式会社 易開封性シユリンク包装体ならびにその製造法
US4629071A (en) * 1985-08-29 1986-12-16 Kanari Tani Easy-to-open bag
DE8612836U1 (de) * 1986-05-10 1986-09-11 Jacobs Suchard GmbH, 28199 Bremen Beutelverpackung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0358916A1 (fr) * 1988-08-26 1990-03-21 Jacobs Suchard AG Emballage, feuille composée pour la fabrication d'un emballage, dispositif de fabrication de la feuille composée et procédé de fabrication d'emballages sous vide
US4993555A (en) * 1988-08-26 1991-02-19 Jacobs Suchard Ag Pack, composite sheet for producing a pack, apparatus for producing the composite sheet, and process for producing vacuum packs
EP1772380A1 (fr) * 2005-09-28 2007-04-11 Kraft Foods R & D, Inc. Méthode et machine de conditionnement pour empaqueter un produit, et emballage contenant en particulier du café

Also Published As

Publication number Publication date
DE3878056D1 (de) 1993-03-18
DE3807469A1 (de) 1989-01-12
FI883160A0 (fi) 1988-07-01
US4927028A (en) 1990-05-22
FI883160A7 (fi) 1989-01-03
ES2038719T3 (es) 1993-08-01
DK363288A (da) 1989-01-03
EP0298302B1 (fr) 1993-02-03
EP0298302A3 (en) 1989-12-06
JPH01124576A (ja) 1989-05-17
DK363288D0 (da) 1988-06-30
NO882841L (no) 1989-01-03
NO882841D0 (no) 1988-06-27

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