EP1002743A1 - 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
EP1002743A1
EP1002743A1 EP98110620A EP98110620A EP1002743A1 EP 1002743 A1 EP1002743 A1 EP 1002743A1 EP 98110620 A EP98110620 A EP 98110620A EP 98110620 A EP98110620 A EP 98110620A EP 1002743 A1 EP1002743 A1 EP 1002743A1
Authority
EP
European Patent Office
Prior art keywords
chamber
longitudinal
substance
heat
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.)
Granted
Application number
EP98110620A
Other languages
German (de)
English (en)
Other versions
EP1002743B1 (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 EP19980110620 priority Critical patent/EP1002743B1/fr
Priority to DE59801339T priority patent/DE59801339D1/de
Publication of EP1002743A1 publication Critical patent/EP1002743A1/fr
Application granted granted Critical
Publication of EP1002743B1 publication Critical patent/EP1002743B1/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 the preparation of Tea, with a chamber containing a quantity of substance, on its Head end and foot end each with a transverse heat seal is closed, with the two long sides of the chamber through Tube forming are formed by the two longitudinal edges of one heat-sealable material web, in particular filter paper web, towards the inside Folded in the longitudinal center and with each other through a central-longitudinal connection are connected, one on each long side inwards into the Chamber is provided extending folding.
  • the invention also relates to a method for continuous production, filling and Sealing such single-chamber infusion bags, especially for tea.
  • the invention is based on the object of increasing the passage area in order to improve the leaching and avoiding a wide heat-sealing strip on the chamber wall, although in principle the hose shaping should be retained because of its advantages.
  • the central longitudinal link is a Rändelnaht, wherein the longitudinal edges of the web of material bent up in unequal lengths out of the plane of the bag surface parallel to each other, joined together by knurling and one or more stages folded back onto the bag surface are .
  • the use of a knurled seam as a connection does not reduce the wall area of the bag available for liquid passage into the chamber, since the connection is linear and not strip-shaped on the wall surface. Practically the entire wall surface is available for the passage of liquids and thus for triggering the tea. There is no covering of substances in the chamber.
  • they are in the knurled seam from the plane of the bag surface parallel longitudinal edges of unequal length Improved knurling effect stitched together. By this measure a more precise knurled seam and folding of the knurled seam can be carried out.
  • the folds are preferably accordion-like or bellows-like trained to further increase the chamber volume, without increasing the outside dimensions of the bag.
  • Desired chamber size can be the accordion or bellows-like Folding each long side at least five, preferably seven fold lines exhibit. This is in addition to the flexibility in the design of the bag thickness the additional advantage associated with a low depth of folding in the inside of the bag can be worked into and thus that effective filling volume for the substance can be increased.
  • a thread with a Label attached to the infusion bag the label thread preferably is loop-shaped inside the chamber and by means of the Pull out label for use.
  • Proposed method which is characterized in that on a initially flat material web, in particular filter paper web, if necessary after bulging their side edges - portioned Substance quanta of the leached substance at regular intervals be deposited that then a continuous hose from the web is formed by the two longitudinal edges inwards towards the longitudinal center folded and of uneven length from the plane of the bag surface bent up parallel to each other and connected by knurling be that during tube forming or after the Hose forming the two long sides with one facing inward extending folding are provided that then the hose in regular intervals, each covering a quantity of substance in Transverse direction is heat sealed and that the transverse heat seals are centered are cut and such hose parts are formed, each one have a chamber containing substance quantum.
  • the method of the invention can be carried out at high speed, since the middle-longitudinal connection is carried out by mechanical knurling and - unlike in the manufacture of a medium-length heat seal - no time-consuming transfers of high amounts of heat as well Cooling processes to create the longitudinal connection are carried out have to.
  • Both long sides are preferably accordion-like or bellows-like folded in, the flat material web beforehand with linear Longitudinal knockouts according to the number of intended Folding processes can be provided.
  • 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 both longitudinal edges 5, 6 inwards towards the longitudinal center 7 and there are connected to one another by a central longitudinal knurled seam 8, the foot end 9 and the head end 10 each having a transverse one Heat seal 11 or 12 are closed. That way is a enclosed space formed to form a chamber 13, the one Substance quantum 14, namely a portioned amount of tea, contains.
  • the A single-chamber infusion bag 1 is therefore on its two long sides 15 and 16 due to the tube formation without seams and sealing-free in that the central longitudinal knurled seam 8 is provided, while the closure on Foot end 9 and head end 10 through the transverse heat seals 11 and 12 he follows.
  • the single-chamber infusion bag 1 with a attached thread with label (not shown), which hanging the bag in a cup, jug or the like enable.
  • Einzig-Aufguß lines 19 illustrates that the touching, in the longitudinal center 7 merged knurled longitudinal edges 5 and 6 into one are formed perpendicular to the web 4 upstanding longitudinal seam 20, the subjected to knurling from both sides by means of knurling wheels 21, 22 becomes. Then the knurled seam essentially folds into the Level of the bag instead, as can be seen in FIG. 2.
  • the manufacture of such a single-chamber infusion bag 1 or 19 is below based on the description of FIGS. 4 and 5 of the drawing clarifies.
  • the starting point of manufacture is a heat sealable one Filter paper web 4 by a roll of material, not shown, by a Pulled device and as a flat track of a metering device D for Tea is fed.
  • Dosing device D with an embossing device, not shown in Longitudinal direction left and right parallel to the longitudinal edges 5, 6 of the Filter paper web 4 are each made a linear pre-embossing acts as a folded edge to the formation of the folds 17 and 18 in to facilitate the later stage of the procedure.
  • the material web 4 becomes a hose by means of forming a tube inwards according to the arrows in Fig. 4 I of the drawing turned on both sides until the longitudinal edges 5 and 6 in come together in the middle.
  • the longitudinal seam 20 becomes the longitudinal seam 20 according to FIG. 3 with an uneven height brought up from the bag level and arranged parallel to each other Longitudinal edges formed, then by a central longitudinal knurled seam 8, if necessary also by additionally folding the Longitudinal edges to make the connection.
  • hose 23 created in this process stage with the V-shaped Folds 17 and 18 are then in with a cross sealing device regular intervals, each capturing a quantity of substance 14 in Transversely heat sealed and these cross heat seals 11, 12th cut in the middle so that hose parts 24 are formed, each one have a chamber 13 containing quantum of substance 14, on all sides is closed by two heat seals and the knurled seam.
  • This Process stage is shown in Fig. 4 III of the drawing.
  • a previously designed thread with a label for each single-chamber infusion bag 1 or 19 to attach to one of the cross seals, including a Loop-shaped from the inside of the chamber 13 pullable label thread can be provided.
  • FIG. 5 of the drawing another can be used to improve the knurling Stapling the longitudinal edges 5 and 6 together by using a H be done before knurling by softening the Plastic fibers the filter paper material leads to an adhesive connection. This allows the longitudinal edges to be folded and knurled together perform more precisely and safely.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP19980110620 1998-06-10 1998-06-10 Procédé pour la fabrication, le remplissage et la fermeture de sachets d'infusion à un seul compartiment Expired - Lifetime EP1002743B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19980110620 EP1002743B1 (fr) 1998-06-10 1998-06-10 Procédé pour la fabrication, le remplissage et la fermeture de sachets d'infusion à un seul compartiment
DE59801339T DE59801339D1 (de) 1998-06-10 1998-06-10 Verfahren zum Herstellen, Füllen und Verschlie en von Einkammer-Aufgu beuteln

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980110620 EP1002743B1 (fr) 1998-06-10 1998-06-10 Procédé pour la fabrication, le remplissage et la fermeture de sachets d'infusion à un seul compartiment

Publications (2)

Publication Number Publication Date
EP1002743A1 true EP1002743A1 (fr) 2000-05-24
EP1002743B1 EP1002743B1 (fr) 2001-08-29

Family

ID=8232100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980110620 Expired - Lifetime EP1002743B1 (fr) 1998-06-10 1998-06-10 Procédé pour la fabrication, le remplissage et la fermeture de sachets d'infusion à un seul compartiment

Country Status (2)

Country Link
EP (1) EP1002743B1 (fr)
DE (1) DE59801339D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369095A (en) * 2000-11-14 2002-05-22 Tetley Gb Ltd An infusion package

Citations (6)

* 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
GB871505A (en) * 1956-08-29 1961-06-28 Paul Gerhard Klar Apparatus for producing and filling packings
DE1800032A1 (de) * 1968-04-08 1969-10-23 Adolf Rambold Aufgussbeutel,insbesondere fuer Tee
DE9104897U1 (de) 1991-04-22 1991-08-14 Fa. J.T. Ronnefeldt, 6000 Frankfurt Teebeutel
WO1993019997A1 (fr) * 1992-03-27 1993-10-14 Tidy Tea Limited Emballages pour produits a infuser
NL1003569C2 (nl) * 1996-07-11 1998-01-15 Sara Lee De Nv Thee-, koffie- of kruidenzakje.

Patent Citations (6)

* 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
GB871505A (en) * 1956-08-29 1961-06-28 Paul Gerhard Klar Apparatus for producing and filling packings
DE1800032A1 (de) * 1968-04-08 1969-10-23 Adolf Rambold Aufgussbeutel,insbesondere fuer Tee
DE9104897U1 (de) 1991-04-22 1991-08-14 Fa. J.T. Ronnefeldt, 6000 Frankfurt Teebeutel
WO1993019997A1 (fr) * 1992-03-27 1993-10-14 Tidy Tea Limited Emballages pour produits a infuser
NL1003569C2 (nl) * 1996-07-11 1998-01-15 Sara Lee De Nv Thee-, koffie- of kruidenzakje.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369095A (en) * 2000-11-14 2002-05-22 Tetley Gb Ltd An infusion package
GB2369095B (en) * 2000-11-14 2003-01-29 Tetley Gb Ltd Infusion package

Also Published As

Publication number Publication date
EP1002743B1 (fr) 2001-08-29
DE59801339D1 (de) 2001-10-04

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