EP0807079B1 - Wegwerfverpackung zur herstellung von getränken, insbesondere tee, und verfahren zur herstellung einer solchen verpackung - Google Patents

Wegwerfverpackung zur herstellung von getränken, insbesondere tee, und verfahren zur herstellung einer solchen verpackung Download PDF

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Publication number
EP0807079B1
EP0807079B1 EP96900892A EP96900892A EP0807079B1 EP 0807079 B1 EP0807079 B1 EP 0807079B1 EP 96900892 A EP96900892 A EP 96900892A EP 96900892 A EP96900892 A EP 96900892A EP 0807079 B1 EP0807079 B1 EP 0807079B1
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EP
European Patent Office
Prior art keywords
envelope
string
bag
triangular
attached
Prior art date
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Expired - Lifetime
Application number
EP96900892A
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English (en)
French (fr)
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EP0807079A1 (de
Inventor
Henrik Kurt Christensen
Kurt Christian Christensen
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Individual
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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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/808—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package for immersion in the liquid to release part or all of their contents, e.g. tea bags
    • B65D85/812—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package for immersion in the liquid to release part or all of their contents, e.g. tea bags with features facilitating their manipulation or suspension

Definitions

  • the invention concerns a disposable packaging in accordance with the preamble of claim 1.
  • the envelope serves the purpose of protecting the extraction bag and its contents.
  • the known disposable packaging of this kind are usually making use of an extraction bag, with fixed string and label, consisting of separate chambers in a rectangular shape containing extractable material wrapped in an equally rectangular envelope.
  • the envelope only serves the purpose of protecting the contents before use and then it has to be discarded.
  • the practical and aesthetic problem arises as to remove the wet or humid extraction bag which often will be placed into or upon available unsuitable objects as e.g. ash trays, waste paper baskets, plates or the like.
  • the contents of the wet bag will furthermore leave undesired spots on table surfaces, table cloths etc. from which they can be difficult to remove.
  • the embodiment is obviously bearing the impress of being an adjusted solution based on the previously mentioned known rectangular extraction bag and is such encumbered with a number of disadvantages in relation to the problem it pretends to solve.
  • Extraction bags which after use can be kept in the packaging, are known from US-patents no.: 2308241, 3057729, 3047397, 2800408 and especially no. 2860989.
  • the known extraction bags are, however, all defective in relation to a very decisive point: they all operate with solutions to the storing problem, limited by the prejudice about the rectangular tea bag, instead of analysing the basic problem: that a closed bag containing tea via an attached string taken through the envelope-like object having the opening downwards turning, is to be pulled up into this without the tea bag risks to stick in the sides of the opening of the envelope.
  • US-patent no. 2860989 is based on the principle: To draw the used tea bag up into a rectangular envelope being open only at one side: To ensure the lead-in of the tea bag into the envelope it has been provided with a number of slits and foldings, which enable the opening of the envelope to expand and thus a kind of funnel effect is created. The problem to this solution is only that these slits and foldings of the envelope envitable will complicate and raise the production process to an unreasonable extend. It can be objected that the solution could be simplified by making the envelope so much bigger than the tea bag itself, that this latter always will be able to be pulled up into the envelope without sticking into its sides.
  • the deposit's solid mass will spread asymmetric in relation to the vertical axis which the string now creates.
  • the uneven weight distribution in relation to the vertical axis implies that the upper point of the tea bag probably can be taken rather safely into the opening of the envelope, but when the lower part of the tea bag containing the solid mass is to be pulled "on board” it will stick to one of the two sides of the opening of the envelope because of the asymmetric weight distribution at the string.
  • the uneven weight distribution will have a tendency to put the tea bag in rotation about its own vertical axis (the string) when the tea bag is pulled up into the envelope, whereby the lead-in into this is made difficult since the tea bag easily can place itself crosswise in the opening of the envelope.
  • an extraction bag consists of one or more separate or connected, in their primary form, triangular chambers of a 2-ply filtering material, that the string is attached to one of the corners of the triangular bag, that the envelope consists of at least two overlapping, in their primary form triangular flaps of a flexible, moisture absorbing, but not moisture penetrating material, in particular paper, that the string attached to the extraction bag has been taken through one of the corners of the triangle and that the two sides of the triangle, on each side of the corner, lengthways have been assembled in such a way that a triangular envelope thereby is created, which connected to the extraction bag and to the string attached to this latter form a disposable packaging based on the funnel principle, where the triangular extraction bag after use, via withdrawal of the string, thus easily will re-enter the triangular envelope which hereby hides the used bag and then can absorb the extra liquid from the bag without using ingenious and complicated twisting devices or the like.
  • the principle ensures the triangular extraction bag after use, via withdrawal
  • a flap as most often is corresponding in size and shape to the envelope, which flap in packing is folded and closed over the opening of the envelope, so that the extraction bag and its contents are hygienic sealed and protected before use.
  • the flap can in use be folded around the envelope and after use re-folded back to the sealing position along a weak adhesive strip or similar so that the used bag in this way is sealed.
  • the string is in packing attached to the said flap which is connected to the envelope along a perforated tearing off line in a form having the advantage that the flap by opening the packaging merely can be torn off from the envelope and then be used as a label. Production-wise this embodiment requires less possible operations and without loss of kindness to the user.
  • the invention also relates to a method for production of the disposable packaging.
  • Said method is unique in that the extraction bag is being produced by a, in principle, infinite tube of 2-ply filtering material alternately being closed crosswise along lines in slanting angles, measured in relation to the two lengthways sides of the tube by hot welding or similar technique, and each of the extraction bags thus closed is cut off along the crosswise closures, whereafter a piece of string, perhaps with a label, is attached to one of the three corners of the extraction bag by hot welding, gluing or a similar technique, that the envelope is produced by an, in principle, endless length of moisture absorbing, but not moisture penetrating material, is marked crosswise along lines in slanting angles analogous to the ones used in the extraction bag, measured in relation to the two length-going sides of the length, whereafter these are cut off from the length in a number of at least two connected flaps, and then the extraction bag is placed upon one of these two flaps, with the string taken out beyond one of the two corners where the two flaps
  • the extraction bag is cut out in a number of at least two connected extraction bags, which are folded over one another along the crosswise closure.
  • the two opposite pointed corners of the two extraction bags are then attached to one another by hot welding, gluing or a similar technique.
  • Fig. 1 shows a section of an, in principle, endless tube of 2-ply filtering material (i) which through hot welding or similar technique continues to be divided into a number of connected, mutually separated extraction bags (a) shaped as triangular chambers, each containing divided portions of a material extractable in a fluid.
  • the drawing shown illustrates the most prevailing double chamber bag consisting of two connected chambers, cut off along the centre line (h) by the crosswise closures (b) and folded over the centre line (c) in the crosswise closure between the two connected chambers.
  • Fig. 2 shows a complete extraction bag (a), in principle consisting of one or more separate or connected chambers as shown in fig. 1 with a piece of string attached to one of the 3 corners of the extraction bag.
  • a label (f) is fixed possibly provided with a couple of slits (g) for rolling up the string.
  • Fig. 3 shows a section of an, in principle, endless length of a flexible moisture absorbing, but not moisture penetrating material, especially paper, which continuously along crosswise lines (u) are marked as a row of triangular flaps.
  • the drawing shows the first stage of the packing process of the shown extraction bag in an envelope as shown in fig. 2, where the extraction bag (a) is placed upon a flap (j) and then its opposite connected flap (k) is cut off along the line (m) and folded in over the extraction bag placed on the first flap (j) and the attached string (e) on this latter, which string has been taken through the corner (x) by folding over the line (n).
  • the two flaps (j and k) are assembled to one another along the side (p) of the triangle by crimping, gluing or a similar technique and thereby forming an envelope which is connected to the extraction bag and its string.
  • a possible third flap (l) which is connected to the envelope, is cut out and is started to be folded along the side (o) of the triangle over the envelope.
  • Fig. 4 shows next stadium of the packing process shown in fig. 3, where the string (e) is rolled up around the label's (f) two slits (g) ( rolling up of the string can take place in other ways than the one shown here) and placed on one of the flaps (k) of the envelope, and then the possible third flap (l) is folded over the envelope's opening on the said flap (k) and the string rolled up around the label.
  • Fig. 5 shows the last stadium of the packing process shown in fig. 3 and 4 where the possible third flap (l) is folded completely over the flap (k) of the envelope and assembled with a fastening line (q) to one of the closed sides of the envelope perhaps by crimping or similar technique.
  • the drawing thus shows, according to the invention, a complete disposable packaging ready to use, but before use with an extraction bag sealed in an envelope and with the string (e) rolled up around the label practically placed and fixed between the possible third flap (l) and the envelope.
  • Fig. 6 shows the same as fig. 5 with the contents of the envelope: bag, string and label, indicated by the dot-and-dash line.
  • Fig. 7 shows the packaging of fig. 6 with the possible third flap (l) opened along the fastening line (q) and unfolded along the side (o) of the triangle while the string (e) is untwisted from the label (f).
  • the extraction bag (a) is torn partly out of the envelope, ready for use.
  • Fig. 8 shows the invention in practical use, where the possible third flap (l) is folded along the side (o) of the triangle to the second flap (j) of the envelope so that the triangular envelope now forms a funnel into which the used extraction bag (a) by a vertical pull in the label (f) and string (e) is caught up naturally.
  • the embodiment makes it possible to seal completely the used extraction bag by repeating the movements of the third flap (l) as shown in fig. 6 and 7, only in reverse order.
  • the fastening line (q) of the envelope can possibly be provided with a light gluing or similar so that the flap (l) can be re-fastened and kept to the envelope.
  • Fig. 9 shows the same as fig. 5 with the contents of the envelope: bag and string, indicated by the dot-and-dash line.
  • the folding line (o) shown in fig. 6 has in this version been replaced by a perforated tearing off line (r).
  • Fig. 10 shows the packaging of fig. 9 with the possible third flap (l) opened from the envelope (j and k) and unfolded along the perforated line (r) with the string (e) visible, fixed (s) to the inner side of the third flap (l).
  • the extraction bag (a) is torn partly out of the envelope, ready for use.
  • Fig. 11 shows the invention in practical use where the possible third flap (l) with the attached string (e) is torn off the flaps (j and k) of the envelope along the perforated line (r) in such a way that the triangular envelope now forms a funnel into which the used extraction bag (a) by a vertical pull in the torn off flap (f) of the envelope and string (e) can be caught up in a natural way.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Tea And Coffee (AREA)
  • Laminated Bodies (AREA)
  • Wrappers (AREA)

Claims (6)

  1. Wegwerf-Verpackung zur Produktion von Getränken, insbesondere Tee, die aus einem zweischichtigen Filtermateriale (i), insbesondere Filterpapier besteht, das in einen oder mehrere getrennte Extraktionsbeutel (a) aufgeteilt ist, die jeweils Tee oder ein ähnliches in einer Flüssigkeit extrahierbares Material enthalten, und an denen ein Stück Schnur (e) befestigt ist, wobei Extraktionsbeutel und Schnur in eine Hülle (j, k) eingewickelt sind, und die mittels eines Etiketts (f) am Beutel befestigte Schnur so durch die Hülle geführt ist, dass der gebrauchte Beutel mittels eines Zugs an der Schnur in die Hülle zurückziehbar ist, dadurch gekennzeichnet, dass der Extraktionsbeutel aus einer oder mehreren getrennten oder verbundenen, in ihrer ursprünglichen Form dreieckigen Kammern aus zweischichtigem Filtermaterial besteht, dass die Schnur an einer der Ecken des dreieckigen Beutels befestigt ist, dass die Hülle aus mindestens zwei einander überlappenden, in ihrer ursprünglichen Form dreieckigen Lappen (j und k) aus biegsamem, Feuchigkeit absorbierendem, jedoch feuchtigkeitsundurchlässigen Material, insbesondere Papier besteht, dass die am Extraktionsbeutel befestigte Schnur durch eine der Ecken des Dreiecks (x) geführt ist, und dass die beiden Dreiecksseiten beidseitig der Ecke in der Längsrichtung zur Bildung einer dreieckigen Hülle zusammengefügt sind, die mit dem Extraktionsbeutel und mit der an diesem befestigten Schnur verbunden ist.
  2. Wegwerf-Verpackung nach Anspruch 1, dadurch gekennzeichnet, dass der dreieckige Beutel (a) und die dreieckige Hülle (j, k) im wesentlichen kongruent sind.
  3. Wegwerf-Verpackung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein in Grösse und Ausbildung üblicherweise entsprechender Lappen (i) an der dreieckigen Hülle befestigt ist, und dass dieser beim Verpacken an einer Linie (o) entlang gefaltet ist und die Hüllenöffnung verschlossen hat.
  4. Wegwerf-Verpackung nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die Schnur (e) beim Verpacken am erwähnten Lappen (i) befestigt ist, der an einer aufreissbaren Perforationslinie (r) oder dergleichen entlang an der Hülle (j und k) befestigt ist.
  5. Verfahren zur Herstellung einer Wegwerf-Verpackung zur Produktion von Getränken, insbesondere Tee, die aus einem zweischichtigen Filtermaterial (o), insbesondere Filterpapier besteht, das in einen oder mehrere jeweils Tee oder ein ähnliches in einer Flüssigkeit extrahierbares Material enthaltende getrennte Extraktionsbeutel (a) aufgeteilt wird, woran ein Stück Schnur (e) befestigt wird, wobei der Extraktionsbeutel und die Schnur in eine Hülle verpackt werden, durch die die mittels eines Etiketts (f) am Beutel befestigte Schnur so hindurchgeführt worden ist, dass der gebrauchte Beutel durch Ziehen an der Schnur in die Hülle zurückgezogen werden kann, dadurch gekennzeichnet, dass der Extraktionsbeutel durch Warmschweissen oder mittels einer ähnlichen Technik aus einem im Prinzip endlosen Rohr aus einem zweischichtigen Filtermaterial hergestellt wird, das in abwechselnden schrägen Winkeln (b) im Verhältnis zu den beiden in der Längsrichtung verlaufenden Rohrseiten verschlossen ist, dass jeder der so in dreieckiger Form verschlossenen Beutel an der Verschweissung (h) entlang abgeschnitten wird, wonach ein Stück Schnur beispielsweise mittels eines Etiketts an einer der drei Extraktionsbeutelecken durch Warmschweissen, Verleimen oder eine ähnliche Technik (d) befestigt wird, dass die Hülle aus einem prinzipiell endlosen Bogen aus einem Feuchtigkeit absorbierenden, jedoch feuchtigkeitsundurchlässigen Material hergestellt wird, das in Längsrichtung an Linien in Schrägwinkeln entsprechend denen des Extraktionsbeutels (u) entlang im Verhältnis zu den beiden in Längsrichtung verlaufenden Bogenseiten markiert wird, wonach diese in einer Anzahl von mindestens zwei dreieckigen Verbindungslappen (j und k) vom Bogen (m) abgetrennt und anschliessend der dreieckige Extraktionsbeutel auf einem dieser beiden dreieckigen Lappen mit der Schnur über einer der beiden Ecken (x) angeordnet werden, wo die beiden dreieckigen Lappen verbunden sind, und dass anschliessend die beiden dreieckigen Lappen an der diese verbindenden Querlinie (n) entlang über einander gefaltet und dadurch mit einander verbunden werden, und danach die Lappen an mindestens einer der beiden offenen Seiten der Hülle (p) entlang durch Schrumpfen, Verleimen oder mittels einer ähnlichen Technik an ein- ander befestigt werden, wodurch eine dreieckige Hülle entsteht, die den dreieckigen Extraktionsbeutel enthält, dessen Schnur sich durch eine der Hüllenecken erstreckt.
  6. Verfahren nach Anspruch 5, dadurch gekennzeichnet, dass der Extraktionsbeutel in einer Anzahl von mindestens zwei verbundenen Extraktionsbeuteln ausgeschnitten wird, die an der Querschweissung (c) entlang über einander gefaltet werden, wonach die entgegengesetzt gerichteten Ecken der beiden Extraktionsbeutel durch Warmschweissen, Verleimen oder eine ähnliche Technik an einander (d) befestigt werden.
EP96900892A 1995-02-07 1996-01-31 Wegwerfverpackung zur herstellung von getränken, insbesondere tee, und verfahren zur herstellung einer solchen verpackung Expired - Lifetime EP0807079B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DK137/96 1995-02-03
DK013795A DK13795A (da) 1995-02-07 1995-02-07 Eengangsemabllage til fremstilling af drikke, især the, samt fremgangsmåder til fremstilling af denne
DK13795 1995-02-07
PCT/DK1996/000053 WO1996023713A1 (en) 1995-02-03 1996-01-31 A disposable packaging for the production of beverages especially tea, and a method for production of such packaging

Publications (2)

Publication Number Publication Date
EP0807079A1 EP0807079A1 (de) 1997-11-19
EP0807079B1 true EP0807079B1 (de) 1999-04-14

Family

ID=8090170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96900892A Expired - Lifetime EP0807079B1 (de) 1995-02-07 1996-01-31 Wegwerfverpackung zur herstellung von getränken, insbesondere tee, und verfahren zur herstellung einer solchen verpackung

Country Status (6)

Country Link
EP (1) EP0807079B1 (de)
AT (1) ATE178866T1 (de)
AU (1) AU4483196A (de)
DE (1) DE69602081T2 (de)
DK (2) DK13795A (de)
WO (1) WO1996023713A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1015232C2 (nl) * 2000-05-18 2001-11-20 Leo Joseph Victor Paul Kr Ger Hulpmiddel voor gebruik bij het zetten van thee.
JP2002211641A (ja) * 2001-01-15 2002-07-31 Fuso Sangyo Kk 吊り下げ用部材及び包材並びに包装体
CA2515329A1 (en) * 2002-02-07 2003-08-14 Teangle A/S A tea bag
WO2009002211A1 (ru) * 2007-06-15 2008-12-31 Irina Gavriilovna Shirinyan Упаковка
DE202011002178U1 (de) * 2011-02-01 2012-05-03 Teepack Spezialmaschinen Gmbh & Co. Kg Verpackungseinheit
KR101335191B1 (ko) 2012-07-24 2013-11-29 김선민 티백 포장지

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1581578A (en) * 1923-10-08 1926-04-20 Kieselbach Otto Leon Tea ball
US3057729A (en) * 1961-08-11 1962-10-09 William H Grant Tea bag package
US4290521A (en) * 1979-09-10 1981-09-22 Thomas J. Lipton, Inc. Infusion package and method of making same
US4551336A (en) * 1983-12-22 1985-11-05 Chen Ying Cheng Infusion bag
WO1992015500A1 (en) * 1991-02-27 1992-09-17 Hugh Patrick Christie Infusible pouch and cover
IN183041B (de) * 1993-10-12 1999-08-28 Lever Hindustan Ltd

Also Published As

Publication number Publication date
DK13795A (da) 1996-08-08
DE69602081T2 (de) 1999-12-23
ATE178866T1 (de) 1999-04-15
WO1996023713A1 (en) 1996-08-08
AU4483196A (en) 1996-08-21
EP0807079A1 (de) 1997-11-19
DK0807079T3 (da) 1999-10-25
DE69602081D1 (de) 1999-05-20

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