EP1002742B1 - Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication - Google Patents

Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication Download PDF

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Publication number
EP1002742B1
EP1002742B1 EP19980110619 EP98110619A EP1002742B1 EP 1002742 B1 EP1002742 B1 EP 1002742B1 EP 19980110619 EP19980110619 EP 19980110619 EP 98110619 A EP98110619 A EP 98110619A EP 1002742 B1 EP1002742 B1 EP 1002742B1
Authority
EP
European Patent Office
Prior art keywords
material web
heat
compartment
longitudinal
substance
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
EP19980110619
Other languages
German (de)
English (en)
Other versions
EP1002742A1 (fr
Inventor
Wilhelm Dipl.-Ing. Lohrey
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.)
Teepak Spezialmaschinen GmbH and Co KG
Original Assignee
Teepak Spezialmaschinen GmbH and Co KG
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Publication date
Application filed by Teepak Spezialmaschinen GmbH and Co KG filed Critical Teepak Spezialmaschinen GmbH and Co KG
Priority to EP19980110619 priority Critical patent/EP1002742B1/fr
Priority to DE59801338T priority patent/DE59801338D1/de
Publication of EP1002742A1 publication Critical patent/EP1002742A1/fr
Application granted granted Critical
Publication of EP1002742B1 publication Critical patent/EP1002742B1/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
    • 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

Definitions

  • the invention relates to an infusion bag, in particular for making tea with a chamber containing a substance quantum from a pair of each other oppositely arranged walls by folding one in the middle rectangular filter paper with a V-shaped or accordion-shaped, extending into the chamber, the Enlargement of the chamber volume and by closing their three initially open pages were created including the substance quantum, a thread is attached to the head end with a label.
  • Infusion bags of the type described above are known from US-A-2 186 087 known. They are made from a filter paper blank with a rectangular shape Cross section produced, which is folded in the middle and including one Quantum of substance is closed on the initially open sides. The The folding side is regularly the bottom side or the foot end of the bag. The the labeled thread is attached laterally to the head side, which like the the other three sides are closed with a thread.
  • Such an infusion bag can only be made individually from rectangular filter paper blanks produce. A continuous producibility from a material web can not.
  • German Utility model 91 04 897 a tea bag has already been proposed tubular material is made, at its lower end by folding or welding is closed and over the upper, initially open end is filled with tea, after which a special closure part is used to the seal the top of the bag.
  • a tubular bag although the chamber volume increases compared to known tea bags, on the other hand, however, an elaborate production with several operations required that hinder continuous production.
  • the known tubular bag dimensions much larger than has the usual single-chamber infusion bags and approximately in length Corresponds to the inside height of a glass or jug in which the bag is inserted becomes.
  • the invention has for its object to improve single-chamber infusion bags of the known type in such a way that they can be produced continuously from a heat-sealable material web, the surface available for the passage of the leaching liquid into the chamber being increased and the chamber volume to improve the leaching capacity while maintaining the usual External dimensions is increased.
  • the solution to this problem by the invention is characterized in that the folded side is produced by folding a filter paper strip in the longitudinal direction and the long side of the bag forms that the remaining three sides are formed by heat sealing the other long side and the head end and the foot end and that the thread provided with the label is fastened to the heat-sealed longitudinal side, accommodated in the form of a loop within the chamber and can be pulled out for use by means of the label.
  • the infusion bag even larger Entry surfaces for the infusion liquid into the chamber thereby Provides that only one long side and the two shorter transverse sides of the Bag to be heat sealed and moreover to the heat seal free Longitudinal V-shaped or bellows-like folding is provided, which Chamber volume and the passage surface increased.
  • the thread is on heat-sealed long side attached. It is housed inside the chamber and extractable for use by means of the label.
  • opposite chamber walls of the single-chamber infusion bag line-shaped congruent knockouts parallel to the longitudinal fold be provided, expediently a plurality of mutually parallel, with Corresponding spacings of congruent knockouts arranged accordingly the number of intended folding operations is arranged side by side.
  • the line-shaped knockouts are advantageously made in accordance with the Number of folding operations next to each other and at a distance to each other on the flat material web in the not for positioning the Substantial quantum provided half made.
  • the Invention proposed a duplex process control, thereby is characterized by a flat heat-sealable material web a larger fourfold bag width is assumed that on each half a label thread is placed on the material web by means of a thread layer, that in the next process step portioned substance quanta of leached substance in two rows parallel to each other in uniform Spaces on the material web adjacent to the longitudinal center symmetrically are placed side by side, with the label threads from each half of the web the area of the chamber to be formed later on for heat sealing provided longitudinal side of the material web are led out and under Form a loop back into the chamber area of the material web at one Are introduced at a later stage in a process ongoing heat sealing is carried out that subsequently to the Positioning the substance quantum rows the two outer quarters of the Material web are folded inwards to the folding axis and there on impact, however positioned leaving a gap and by means of a medium length heat seal be
  • each a quantum of substance Detecting distances are heat sealed in the transverse direction and that the Cross heat seals are cut in the middle and such tube parts are formed, each a chamber containing a substance quantum exhibit.
  • the label threads that are led out of the material web are preferred already with labels when threading, after the folding process in an intermediate step before the formation of the central longitudinal section be folded back so as not to disturb the cutting process or when Cutting process not to be damaged.
  • the one-chamber infusion bag 1 shown in Fig. 1 of the drawing made of heat sealable filter paper material and has two each other oppositely arranged chamber walls 2, 3 through folding in the middle of a basically rectangular filter paper strip result, the folding taking place about a longitudinal side 4 of the bag 1.
  • the opposite long side 5 is closed by a heat seal 6, as well as the head end 7 by a cross heat seal 8 and the foot end 9 through a cross heat seal 10.
  • a heat seal 6 as well as the head end 7 by a cross heat seal 8 and the foot end 9 through a cross heat seal 10.
  • an enclosed one Space formed to form a chamber 11 which is a substance quantum 12, namely a portioned amount of tea.
  • the single chamber infusion bag 1 is therefore at its one, on the left in the drawing Long side 4 heat seal-free, while the longitudinal heat seal 6 and the transverse heat seals 8 and 10 the closure at the head end 7 and Foot end 9 is done.
  • the single-chamber infusion bag 1 with a attached thread 14 may be provided with label 15, which the Hang the bag in a cup, jug or similar container enable.
  • the manufacture of such a single-chamber infusion bag 1 is as follows based on the description of Fig. 2 of the drawing. Starting point the manufacture is a flat heat-sealable material web 16 in shape a filter paper web that has a width that is slightly larger than that double the width of the bag is also used to fold the material To have available.
  • the flat material web 16 is not by means of a illustrated thread layer of the label thread 14 on the right in the drawing Half of the web deposited on which portioned in the next process step Substance quanta 12 of the leached substance in uniform Intervals can be arranged in series.
  • the heat seal-free fold is made Long side 4 with the one extending inwards into the tube Fold 13 provided.
  • the hose 20 becomes regular, one at a time Substantially quantum-12 distances heat-sealed in the transverse direction and the transverse heat seals 8 and 10 are cut in the middle, so that Tubular parts 21 are formed, each having a substance quantum 12 contain containing chamber 11.
  • Longitudinal heat seal 6 ensures that the thread 14 is fixed at the foot end 9 and is pulled out at the head end 7 through the longitudinal heat seal is, laterally outside the label 15 on the eyelet of the thread in known Is attached by heat sealing.
  • the packaging finds that Fold the label inside instead so that it is in the packaging condition rests on the wall 2 of the chamber 11.
  • portioned substance quanta are 12 in two rows 29, 30 parallel to each other at equal intervals on both Halves 25, 26 of the material web 24 symmetrically adjacent to the longitudinal center L. placed side by side.
  • the Substance quantum rows 29, 30 become the two outer quarters of the Material web 24 folded inwards about the respective folding axis 19 and in the longitudinal center L butt, but leaving a gap 31, the Fig. 3 II of the drawing can be removed, positioned and optionally pre-fixed.
  • This is followed by the process step of creating a medium-length heat seal 32 with which the folded edges with the underlying parts of the material web are connected.
  • both tubes 33, 34 are then in regular, each heat-sealing distances in the transverse direction, the transverse heat seals 38 are cut in the middle and such Tube parts are formed, each containing a substance quantum 12 Have chamber 11.
  • the labels 15 are in an intermediate step after the folding process and before the formation of the central longitudinal section has been folded back so as not to interfere with the cutting process or when Cutting process not to be damaged.
  • Fig. 4 of the drawing shows a perspective view in the duplex method manufactured single-chamber tea bags in the arrangement in which they Manufacturing machine at the end of the process to leave one Packaging to be fed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)

Claims (7)

  1. Sachet d'infusion destiné notamment à la préparation de thé, avec un compartiment (11) contenant un quantum de substance (12), qui est constitué d'un couple de parois (2, 3) disposées l'une en face de l'autre, qui a été engendré par un pli central (13) d'un papier filtrant rectangulaire présentant en section transversale une forme de V ou une forme d'accordéon s'étendant dans le compartiment (11), et agrandissant le volume du compartiment, et par la fermeture lors de l'insertion du quantum de substance (12) de ses trois côtés dans un premier temps ouverts, un fil (14) avec une étiquette (15) étant fixés sur l'extrémité supérieure,
       caractérisé en ce que
       le côté muni du pli (13) est formé par le pliage longitudinal d'une bande de papier filtrant (16, 24) et constitue un côté longitudinal du sachet, que les trois autres côtés sont obtenus par un scellement thermique de l'autre côté longitudinal (5) ainsi que de l'extrémité supérieure (7) et de l'extrémité inférieure (9), et que le fil muni de l'étiquette (15) est fixé sur le côté longitudinal (5) scellé thermiquement, logé en forme de boucle à l'intérieur du compartiment (11), et peut être extrait pour l'utilisation au moyen de l'étiquette (15).
  2. Sachet d'infusion selon la revendication 1, caractérisé en ce que le pliage (13) de type accordéon ou soufflet du côté longitudinal (4) comporte au moins cinq, de préférence sept lignes de pliage.
  3. Sachet d'infusion selon la revendication 1 ou 2, caractérisé en ce que les deux parois opposées (2, 3) du compartiment du sachet d'infusion à un compartiment sont munies d'empreintes linéaires coïncidentes préalables (22, 23) parallèles au pliage longitudinal, plusieurs empreintes coïncidentes préalables (22, 23) disposées parallèlement les unes par rapport aux autres, à une certaine distance les unes des autres, étant opportunément prévues les unes à côté des autres en fonction du nombre de processus de pliage prévus.
  4. Procédé destiné à la fabrication continue, au remplissage et à la fermeture de sachets d'infusion à un compartiment selon l'une des revendications 1 à 3, caractérisé en ce que le point de départ est une bande de matière plane (16) thermosoudable, notamment une bande de papier filtrant, dont la largeur est légèrement supérieure au double de la largeur du sachet, qu'un fil (14) d'étiquette est déposé sur la moitié de la bande de matière plane (16) au moyen d'un dispositif de mise en place de fil, sur laquelle des portions de quanta de substance (12) de la substance à infuser sont déposées à intervalles réguliers sur une rangée dans la phase de fabrication suivante, le fil d'étiquette (14) sortant de la zone du compartiment (11) formé ultérieurement au niveau du côté longitudinal (5) de la bande de matière prévu pour le scellement thermique, et étant à nouveau inséré dans la zone du compartiment de la bande de matière (16) en formant une boucle au niveau d'un emplacement auquel un scellement thermique transversal est effectué au cours d'une autre phase de procédé, que suite au positionnement des quanta de substance (12), l'autre moitié (18) de la bande de matière (16) est repliée autour de l'axe médian longitudinal (19) et placée de façon coïncidente au-dessus du fil d'étiquette et de la moitié (17) de la bande de matière (16) comportant les quanta de substance, un boyau continu (20) étant ensuite formé par un scellement thermique longitudinal (6) du bord extérieur, que pendant ou après la formation du boyau, le côté longitudinal replié (4) exempt de scellement thermique est muni d'un pli (13) s'étendant vers l'intérieur, que le boyau (20) est ensuite scellé thermiquement dans le sens transversal à intervalles réguliers contenant chacun un quantum de substance (12), et que les scellements thermiques transversaux (8, 10) sont ensuite découpés au milieu, de façon à former des parties (21) de boyau comportant chacune un compartiment contenant un quantum de substance.
  5. Procédé selon la revendication 4, caractérisé en ce que les empreintes linéaires préalables (22, 23) pratiquées en fonction du nombre de processus de pliage prévus, sont agencées sur la bande de matière plane (16) les unes à côté des autres et à une certaine distance les unes des autres dans la moitié (17) non prévue pour le positionnement des quanta de substance.
  6. Procédé destiné à la fabrication continue, au remplissage et à la fermeture de sachets d'infusion à un compartiment selon l'une des revendications 1 à 3, caractérisé en ce que le point de départ est une bande de matière plane (24) thermosoudable dont la dimension correspond au quadruple de la largeur du sachet, qu'un fil (27, 28) d'étiquette est déposé sur chaque moitié (25, 26) de la bande de matière (24) au moyen d'un dispositif de mise en place de fil, que dans la phase de procédé suivante, des portions de quanta de substance (12) de la substance à infuser sont déposées symétriquement les unes à côté des autres à intervalles réguliers sur deux rangées (29, 30) parallèles l'une par rapport à l'autre sur la bande de matière (24) au voisinage du milieu longitudinal (L), les fils (27, 28) d'étiquette de chaque moitié (25, 26) de bande sortant de la zone du compartiment formé ultérieurement au niveau du côté longitudinal de la bande de matière prévu pour le scellement thermique, et étant à nouveau inséré dans la zone du compartiment de la bande de matière en formant une boucle au niveau d'un emplacement auquel un scellement thermique transversal est effectué au cours d'une autre phase de procédé, que suite au positionnement des rangées (29, 30) de quanta de substance, les deux quarts extérieurs de la bande de matière sont repliés vers l'intérieur en direction du milieu longitudinal (L), où ils sont positionnés en butée en laissant cependant subsister une fente (31), et reliés à la bande de matière située au-dessous par un scellement thermique longitudinal médian (32), la bande de matière (24) étant ensuite découpée au milieu dans le sens longitudinal à l'intérieur de la fente (31), et deux boyaux (33, 34) positionnés côte à côté étant ainsi fabriqués qui, du côté longitudinal replié exempt de scellement thermique, donc respectivement à l'extérieur, sont munis d'un pli (35, 36) s'étendant vers l'intérieur, que les deux boyaux (33, 34) sont ensuite scellés thermiquement dans le sens transversal à intervalles réguliers contenant chacun un quantum de substance (12), et que les scellements thermiques transversaux (38) sont ensuite découpés au milieu de façon à obtenir des parties de boyau comportant chacune un compartiment contenant un quantum de substance.
  7. Procédé selon l'une des revendications 4 à 6, caractérisé en ce que les fils (27, 28) d'étiquette sortant de la bande de matière sont déjà munis d'étiquettes (15) lors de la mise en place des fils, celles-ci étant rabattues après le processus de pliage au cours d'une phase intermédiaire avant l'exécution de la découpe longitudinale médiane.
EP19980110619 1998-06-10 1998-06-10 Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication Expired - Lifetime EP1002742B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19980110619 EP1002742B1 (fr) 1998-06-10 1998-06-10 Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication
DE59801338T DE59801338D1 (de) 1998-06-10 1998-06-10 Einkammer-Aufgussbeutel, insbesondere für Tee, und Verfahren zu seiner Herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980110619 EP1002742B1 (fr) 1998-06-10 1998-06-10 Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication

Publications (2)

Publication Number Publication Date
EP1002742A1 EP1002742A1 (fr) 2000-05-24
EP1002742B1 true EP1002742B1 (fr) 2001-08-29

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Application Number Title Priority Date Filing Date
EP19980110619 Expired - Lifetime EP1002742B1 (fr) 1998-06-10 1998-06-10 Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication

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EP (1) EP1002742B1 (fr)
DE (1) DE59801338D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2626318A1 (fr) 2012-02-10 2013-08-14 Teepack Spezialmaschinen Gmbh & Co. Kg Sac d'infusion

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2583911B1 (fr) * 2010-06-17 2016-01-13 Fuso Industry Co., Ltd. Sachet d'extraction et feuille de matériau d'emballage
EP2852537B1 (fr) * 2012-05-22 2017-02-22 Unilever PLC Paquet d'infusion et sa fabrication

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2186087A (en) * 1938-07-23 1940-01-09 Pneumatic Scale Corp Package
GB905009A (en) * 1960-03-01 1962-09-05 Salomon Jacob Improvements in tea bags
CH615124A5 (fr) * 1978-01-11 1980-01-15 Sig Schweiz Industrieges
CH663000A5 (de) * 1984-01-05 1987-11-13 Tourpac Productions Ag Beutel, verfahren und maschine zu dessen herstellung.
DE9104897U1 (fr) 1991-04-22 1991-08-14 Fa. J.T. Ronnefeldt, 6000 Frankfurt, De
NZ249956A (en) * 1992-03-27 1996-08-27 Tidy Tea Ltd Infusible package; tea/coffee bag with extra length of draw string inside the bag
EP0806351B1 (fr) * 1996-05-07 1999-12-29 Teepack Spezialmaschinen Gmbh & Co. Kg Sachet d'infusion à deux compartiments, particulièrement pour thé, et procédé pour sa fabrication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2626318A1 (fr) 2012-02-10 2013-08-14 Teepack Spezialmaschinen Gmbh & Co. Kg Sac d'infusion

Also Published As

Publication number Publication date
EP1002742A1 (fr) 2000-05-24
DE59801338D1 (de) 2001-10-04

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