EP1002741B1 - 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
EP1002741B1
EP1002741B1 EP98110618A EP98110618A EP1002741B1 EP 1002741 B1 EP1002741 B1 EP 1002741B1 EP 98110618 A EP98110618 A EP 98110618A EP 98110618 A EP98110618 A EP 98110618A EP 1002741 B1 EP1002741 B1 EP 1002741B1
Authority
EP
European Patent Office
Prior art keywords
tag
string
filter paper
compartment
web
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
EP98110618A
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German (de)
English (en)
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EP1002741A1 (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
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 Teepak Spezialmaschinen GmbH and Co KG filed Critical Teepak Spezialmaschinen GmbH and Co KG
Priority to EP98110618A priority Critical patent/EP1002741B1/fr
Priority to AT98110618T priority patent/ATE204824T1/de
Priority to ES98110618T priority patent/ES2163222T3/es
Priority to PT78101696T priority patent/PT1002741E/pt
Priority to DE59801337T priority patent/DE59801337D1/de
Publication of EP1002741A1 publication Critical patent/EP1002741A1/fr
Application granted granted Critical
Publication of EP1002741B1 publication Critical patent/EP1002741B1/fr
Anticipated expiration legal-status Critical
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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 a single-chamber infusion bag made of heat-sealable Filter paper material, especially for making tea, with a Chamber containing substance quantum, at its head end and at its Foot end is closed by a transverse heat seal each with heat sealing the foot end a first free end of a thread is connected which is housed in the form of a loop and its second end by heat sealing the head end or adjacent guided out of the chamber and outside with the chamber is attached to a label.
  • the invention further relates to a method for Manufacture of such single-chamber infusion bags, in particular for tea.
  • Single chamber infusion bags of the type described above are of the WO-A- 93/19997 known. Such infusion bags are only large to produce technical effort, it being disadvantageous that the label in Packaging state is connected to the tea bag only via the thread.
  • the invention has for its object to provide a single-chamber infusion bag of the type described, which has no exposed thread in the packaging state and provides attachment of the thread with a label without an additional fastener, that is, only using the materials necessary for the bag manufacture , which should enable continuous production on high-speed machines with capacities of up to 1000 bags per minute.
  • the label can be easily removed from the pouch by the user and pull the thread out of the chamber as far as possible so that it Drinking vessel or the jug can be attached.
  • a pressing out of the used tea bag can be carried out, by pulling the thread further the lower transverse seam towards the pulled the upper transverse seam of the bag and thus pressed the bag together with which the liquid is pressed out.
  • a single-chamber infusion bag was known from US-A-2,852,389 thread or foldable tape attached to the inside of one at the head of the bag Label is housed. To do this, the thread or tape had to be between two Scroll the label in a loop or fold. This accommodation of the thread carrying the label or the band inside the label required an elaborate production.
  • the label is on the chamber wall attached, free of the central-longitudinal connection necessary for this type of bag, is in particular medium-length heat sealing.
  • a method is proposed according to the invention that is characterized in that on an initially level heat-sealable filter paper web a label thread meandering, in particular running centrally around the longitudinal axis on the top of the web is placed and fixed that at regular intervals to each other on the Bottom of the web a number of labels are substantially congruent applied with the label thread on the top and fixed that by Each label has the thread gripped from below using a tool and through the filter paper web and the label on the Bottom, especially in the form of a loop, is pulled that then the loop is attached to the label and the label on the Filter paper web is attached by heat sealing, after which in itself known manner - if necessary after bulging their longitudinal edges - portioned substance quanta of the leached substance in uniform Spaces are placed on the filter paper web from the web continuous hose is formed and then the hose in regular intervals, each covering a quantity of substance in Transverse direction is heat sealed, and then the transverse heat seals
  • the latter is preferably achieved in that the gripping of the thread from below through each label using the tool, in particular with a needle, through a hole in the label, the Pierce the filter paper web with the tool and the thread through it Opening is pulled, the opening in the cross heat seal so is positioned to pull the thread out of the chamber later is feasible. This brings the thread out of the chamber and the mobility of the thread for pulling out is ensured.
  • a Thread loop can be drawn with the label inside one asymmetrical label folding is connected by heat sealing, the protruding sheet end of the label attached to the bag by sealing points becomes.
  • the two long sides of the hose during the Tube forming or after the tube forming with a after provided folding inside to increase the chamber volume enlarge.
  • 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 Tube formation of a web 4 of the filter paper material result by the turned over two longitudinal edges 5, 6 to the longitudinal center 7 and there with each other by means of a central longitudinal knurled seam 8 or a central longitudinal heat seal are connected, the foot end 9 and the head end 10 closed by a transverse heat seal 11 or 12 respectively become.
  • Chamber 13 formed which a substance quantum 14, namely a portioned Lots of tea, contains.
  • the one-chamber infusion bag 1 is consequently at his both longitudinal sides 15 and 16 by means of tube formation without folds and seal-free, whereby the volume of the chamber 13 significantly is enlarged that a fold 17, 18 on each of the two long sides 15, 16 is formed, which is accordion-shaped in cross section and in the Chamber 13 of the bag extends inwardly.
  • the folds 17, 18 are made so that the usual external dimensions of such Single-chamber tea bags are retained and therefore despite the increase of the chamber volume no increase in its length or width in Packaging condition is given. This ensures that Substance quantum T in chamber 13 excellently through the Infusion liquid is to be digested and the substances contained in it solve optimally.
  • a thread 19 is arranged in a meandering shape, one end 20 of which is fixed to the transverse heat seal 11 Foot end 9 is connected, while its other end 21 through the transverse running heat seal 12 of the head end 10 from the chamber 13 movable, namely extractable, led out and outside the Chamber 13 is connected to a label 22 by heat sealing.
  • the label 22 consists of a rectangular paper strip with a heat-sealable coating that is asymmetrical in the transverse direction is folded and in the resulting interior with the loop-shaped second end 21 of the label thread 19 is connected. Due to the asymmetrical transverse folding, there is a longer one on the outside arranged label sheet 23, the projecting sheet end by two Sealing points 24 easily removable on the wall 2 of the bag by heat sealing is pinned.
  • FIG. 2 of the drawing in the schematic of a device for manufacturing such bag is shown in a continuous process.
  • the filter paper roll (not shown) is subtracted from the required quantity continuously withdrawn in the form of a filter paper web 25 and over a Pre-folding device 26 guided, with the linear knockouts 27 in Longitudinal direction corresponding to that for the later folds 17, 18 intended number of folding operations.
  • the filter paper web 25 is guided over a thread feeder 28 with which the label thread 19 continuously meanders around the longitudinal center is placed continuously on the top of the filter paper web 25, as FIG. 3 the drawing illustrates.
  • the thread 19 is drawn off continuously from a thread supply spool 29, the thread 19 is placed in a serpentine manner on a roller 30 and fed to the filter paper web 25 via the rotation of the roller in the direction of rotation indicated by an arrow.
  • the filter paper web 25 is on the W Alze 30, and slightly warmed by a heater 31st With the aid of a fixing roller 32, the thread 19 is slightly attached to the filter paper web 25 on the top.
  • labels 22 are fed to the underside the filter paper web 25 instead.
  • the labels are from a label reel 33 in Form of a label web 34 removable, with an embossing in the station 35 of the labels and in the station 36 a perforation of the labels and a Cutting the labels can be done.
  • the real one Labeling on the filter paper web 25 takes place by means of a Label roller 37 instead, on which the labels are fixed and then with the Label thread 19 are connected.
  • the representation of the label web in FIG. 4 the drawing shows by scissor symbols at which point in the Hole punching and cutting station is cut and a hole 38 punched is, with a dashed line, the later asymmetrical kink or folding of the label is symbolized at this crease edge.
  • the thread 19 is connected by a needle similar to a crochet hook between the Points "A" and "B" detected from below through hole 38 of the label Filter paper web 25 pierces upwards, with its hook according to FIG Drawing the thread 19 is detected and in the retraction movement by the Filter paper and pull the loop through downwards.
  • the Movement of the needle 40 according to the arrows is indicated by a hollow fixing bolt 41 out.
  • the loop 39 released by a rotation of 90 °, if necessary, the Loop 39 to the rear opposite to the running direction of the Filter paper web 25 folded over, for which purpose a thread loop fold-over 42 Fig. 6 of the drawing is provided.
  • the label flipper is in Fig. 6 of the drawing with the Reference numeral 43 is drawn schematically.
  • Fig. 6 of the drawing shows the processes of the in four different positions Threading, pulling the thread through the filter paper web and that Label, loop formation, thread folding and label folding.
  • Another manufacturing process is as described above prepared filter paper web 25 then fed to the dosage 44, in which Tea portion heaps are placed on the filter paper web.
  • the longitudinal seam is produced at 45 by tube forming and one or several gussets 17, 18 folded and the cross seals carried out.
  • the symbolized scissors to ensure that the cuts in the Cross seals are made in such a way that the lower end of each bag Fixation of the thread 19 is retained and at the head of each bag flexible passage of the thread 19 when pulling out the label is ensured.
  • the function shown in FIG. 7 of the drawing is then guaranteed.
  • Fig. 7 of the drawing shows the state of use of the invention Bag after the user has detached the label 22 from the bag itself and the label thread 19 in full from inside the chamber has pulled out, so that hanging in a teapot 46 to Leaching is possible.
  • the bag 1 is pulled up from the tea water, whereby it has the normal shape drawn below the jug.
  • the user can squeeze the bag 1, i.e. squeeze out the liquid, by using the can opening or the can lid as an abutment and pulls on the thread 19 with the label 22. Since the thread 19 on the lower transverse heat seal is attached, this is going in the direction pulled onto the head end of the bag and thus the bag 1 pressed together, as the lower drawing in Fig. 7 illustrates.
  • the liquid is pressed out of the bag and a drip-free removal from the can 46 can be carried out.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Apparatus For Making Beverages (AREA)
  • Making Paper Articles (AREA)
  • Package Specialized In Special Use (AREA)

Claims (8)

  1. Sachet d'infusion (1) à un compartiment en papier filtrant thermosoudable destiné notamment à la préparation de thé, avec un compartiment (13) contenant un quantum de substance (14) qui est fermé au niveau de son extrémité supérieure (10) et de son extrémité inférieure (9) par un scellement thermique (11, 12) s'étendant transversalement, une première extrémité libre (20) d'un fil (19) disposé en forme de boucle à l'intérieur du compartiment (13) étant reliée solidairement au scellement thermique (11) de l'extrémité inférieure (9), et la deuxième extrémité (21) de celui-ci pouvant être extraite du compartiment (13) à travers le scellement thermique (12) de l'extrémité supérieure (10) ou au voisinage de celui-ci, et étant reliée à l'extérieur dû compartiment (13) à une étiquette (22),
       caractérisé en ce que
       l'extrémité extérieure du fil (19) est disposée en forme de boucle (39), et est reliée à l'étiquette (22) par scellement thermique à l'intérieur d'un pli asymétrique de l'étiquette, la feuille plus longue (23) de l'étiquette (22) en raison du pli asymétrique étant disposée à l'extérieur et étant légèrement agrafée au sachet (1) par des points de scellement (24) sur l'extrémité de la feuille dépassant.
  2. Sachet d'infusion à un compartiment selon la revendication 1, caractérisé en ce que l'étiquette (22) est agrafée à la paroi (2, 3) du compartiment qui est exempte d'une liaison longitudinale médiane nécessaire pour ce type de sachets, notamment d'un scellement thermique longitudinal médian.
  3. Procédé destiné à la fabrication de sachets d'infusion à un compartiment selon l'une des revendications 1 ou 2, caractérisé en ce que, sur une bande de papier filtrant (25) thermosoudable qui est dans un premier temps plane, un fil (19) d'étiquettes est placé en forme de méandres, en s'étendant notamment de façon centrale autour de l'axe longitudinal, et fixé sur la face supérieure de la bande (4), qu'une série d'étiquettes, qui coïncident sensiblement avec le fil (19) d'étiquettes de la face supérieure, est placée et fixée à intervalles réguliers sur la face inférieure de la bande (4), que le fil (19) est passé à partir du bas dans chaque étiquette (22) au moyen d'un outil, et est tiré à travers la bande de papier filtrant (25) et l'étiquette (22) sur la face inférieure en forme de boucle (39), que la boucle (39) est ensuite fixée sur l'étiquette (22) et l'étiquette (22) est fixée sur la bande de papier filtrant (25) par scellement thermique, après quoi - le cas échéant après l'incurvation de ses bords longitudinaux (5, 6) - des portions de quanta de substance (14) de la substance à infuser sont déposées à intervalles réguliers sur la bande de papier filtrant (25) de la manière connue en soi, qu'un boyau continu est formé à partir de la bande, que le boyau est ensuite scellé thermiquement dans le sens transversal à intervalles réguliers contenant chacun un quantum de substance (14), et que les scellements thermiques transversaux sont ensuite découpés au milieu de telle sorte que sur l'extrémité inférieure (9) du sachet boyau ainsi formé le fil (19) d'étiquette situé à l'intérieur reste fixé dans le scellement thermique, alors qu'au niveau de l'extrémité supérieure (10) il peut être extrait du compartiment (13) à travers le scellement thermique.
  4. Procédé selon la revendication 3, caractérisé en ce que le passage du fil (19) à partir du bas à travers chaque étiquette (22) est effectué au moyen de l'outil, notamment d'une aiguille, à travers un trou (38) pratiqué dans l'étiquette (22), la bande de papier filtrant (25) étant percée par l'outil et le fil étant tiré à travers cette ouverture, l'ouverture pratiquée dans le scellement thermique transversal étant positionnée de telle sorte que le fil (19) puisse être extrait ultérieurement du compartiment (13).
  5. Procédé selon la revendication 3 ou 4, caractérisé en ce que le fil (19) d'étiquette est agrafé sur la bande de papier filtrant (25) par deux scellements thermiques (A, B) en forme de points effectués à une certaine distance l'un de l'autre, entre lesquels le fil (19) est saisi par l'outil, notamment par une aiguille, afin de le passer à travers la bande (4) et l'étiquette (22).
  6. Procédé selon l'une des revendications 3 à 5, caractérisé en ce que, pendant ou après la formation du boyau, les deux côtés longitudinaux du boyau sont munis d'un pli (17, 18) s'étendant vers l'intérieur afin d'agrandir le volume du compartiment.
  7. Procédé selon l'une des revendications 3 à 6, caractérisé en ce que, avant la mise en place du fil, la bande de papier filtrant plane (25) est munie d'empreintes linéaires préalables (27) dans la direction longitudinale, dont le nombre correspond au nombre de processus de pliage prévus pour les plis (17, 18).
  8. Procédé selon l'une des revendications 3 à 7, caractérisé en ce que l'ensemble du fil (19) est légèrement agrafé sur la bande de papier filtrant (25) au cours du processus de transformation, et ce par un chauffage, soit de la bande (4), soit du fil (19), cela devant cependant être effectué de telle sorte que le fil (19) puisse à nouveau être facilement dissocié par traction, et par conséquent extrait ultérieurement du compartiment (13).
EP98110618A 1998-06-10 1998-06-10 Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication Expired - Lifetime EP1002741B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP98110618A EP1002741B1 (fr) 1998-06-10 1998-06-10 Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication
AT98110618T ATE204824T1 (de) 1998-06-10 1998-06-10 Einkammer-aufgussbeutel, insbesondere für tee, und verfahren zu seiner herstellung
ES98110618T ES2163222T3 (es) 1998-06-10 1998-06-10 Bolsa de infusion con una sola camara, en especial para te, y procedimiento para su fabricacion.
PT78101696T PT1002741E (pt) 1998-06-10 1998-06-10 Saco de infusao de um compartimento em especial para cha e processo para o seu fabrico
DE59801337T DE59801337D1 (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
EP98110618A EP1002741B1 (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
EP1002741A1 EP1002741A1 (fr) 2000-05-24
EP1002741B1 true EP1002741B1 (fr) 2001-08-29

Family

ID=8232098

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98110618A Expired - Lifetime EP1002741B1 (fr) 1998-06-10 1998-06-10 Sachet d'infusion à un seul compartiment, en particulier pour thé et procédé pour sa fabrication

Country Status (5)

Country Link
EP (1) EP1002741B1 (fr)
AT (1) ATE204824T1 (fr)
DE (1) DE59801337D1 (fr)
ES (1) ES2163222T3 (fr)
PT (1) PT1002741E (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20020013A1 (it) * 2002-01-11 2003-07-11 Tecnomeccanica Srl Busta filtro per contenimento di una sostanza da infusione con accumulo di filo associato alla etichetta di presa e metodo di formatura rela
KR101686997B1 (ko) * 2010-06-17 2016-12-16 후소 산교 가부시키가이샤 추출용 백 및 포장재 시트
EP2883456A1 (fr) 2013-12-12 2015-06-17 José Manuel Arenas Bustos Procédé pour fabriquer une solution de thé et la solution de thé ainsi obtenue

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2852389A (en) * 1954-08-06 1958-09-16 Bartelt Engineering Co Infusion package
US2869718A (en) * 1956-09-14 1959-01-20 Pneumatic Scale Corp Infusion bag
WO1993019997A1 (fr) * 1992-03-27 1993-10-14 Tidy Tea Limited Emballages pour produits a infuser
GB9606721D0 (en) * 1996-03-29 1996-06-05 Tetley Gb Ltd Infusion packages and methods for their manufacture

Also Published As

Publication number Publication date
ES2163222T3 (es) 2002-01-16
DE59801337D1 (de) 2001-10-04
ATE204824T1 (de) 2001-09-15
PT1002741E (pt) 2001-12-28
EP1002741A1 (fr) 2000-05-24

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